Stocks/AMPH

AMPH

Amphastar Pharmaceuticals, Inc.
Healthcare·Drug Manufacturers - Specialty & Generic
$18.85
$831M market cap
Claude Rating
4/10UNDERWEIGHT
Revenue
$720.5M
Free Cash Flow
$13.9M
Rev Growth
+0.4%
FCF Margin
1.9%
P/FCF
59.6x
EV/FCF
87.7x
Fwd EV/EBITDA
9.3x
Fair Value
$14.50
Upside
-23.1%

Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Enoxaparin, a low molecular weight heparin to prevent

2-Year Price History

$18.41-54.8%
$20$25$30$35$40$45$50volJun 24Oct 24Jan 25May 25Sep 25Jan 26May 26

Quarterly Financials & Projections

Quarterly Waterfall ($ M)
PeriodRevEBITDAOpInNIOCFFCFCapExCashDebtSharesROICIntCovEV/EBITDA
Est2028-Q1195.033.2--12.7--17.6-11.7445.7----------
Est2027-Q4210.039.9--16.8--12.6-15.8428.1----------
Est2027-Q3215.043.0--19.4--30.1-11.8415.5----------
Est2027-Q2200.036.0--14.0--22.0-12.0385.4----------
Est2027-Q1185.027.8--9.3--14.8-12.0363.4----------
Est2026-Q4200.037.0--15.0--10.0-16.0348.6----------
Est2026-Q3198.037.6--16.8--25.7-10.9338.6----------
Est2026-Q2185.029.6--12.0--18.5-11.1312.9----------
Act2026-Q1171.213.613.66.447.838.3-9.5294.4686.446.53.8%2.1x8.3x
Act2025-Q4183.138.535.624.432.9-96.6-26.6282.847.347.225.2%5.8x5.3x
Act2025-Q3191.841.925.317.452.647.2-5.4278.6656.847.78.1%6.7x6.7x
Act2025-Q2174.461.942.231.035.625.0-10.6231.8655.548.113.1%9.8x7.2x
Act2025-Q1170.552.437.325.335.124.4-10.7236.9652.549.912.3%8.3x8.3x
Act2024-Q4186.565.145.138.029.016.6-12.4221.7650.652.115.4%10.1x10.2x
Act2024-Q3188.868.857.140.460.046.2-13.8250.5629.951.920.0%10.3x8.4x
Act2024-Q2182.473.055.238.069.163.1-6.0217.8620.652.117.5%8.5x8.7x
Act2024-Q1171.862.048.043.255.346.5-8.8289.6627.153.018.5%7.2x12.8x
Act2023-Q4178.164.654.036.223.914.4-9.4256.8623.653.021.5%6.8x10.7x
Act2023-Q3180.690.972.749.264.354.1-10.2299.9672.653.925.3%6.6x14.1x
Act2023-Q2145.743.436.926.154.945.9-9.1168.0528.753.115.6%12.1x13.4x
Act2023-Q1140.041.433.426.040.430.9-9.5195.3102.052.033.8%103.9x8.3x
Act2022-Q4135.049.237.833.915.28.9-6.3175.8102.651.740.8%93.2x8.9x
Act2022-Q3120.130.523.215.920.414.8-5.6186.5103.252.823.8%53.9x--
Act2022-Q2123.530.424.817.42.8-3.2-6.0185.8103.953.227.8%76.5x--
Act2022-Q1120.436.221.624.350.844.6-6.1187.0105.352.026.9%101.9x--
Historical Valuation

Multiples vs the company's own history — cheap or rich relative to itself? Historical fiscal years, then TTM, then forward projections (E). Forward rows hold today's price against projected earnings, so the multiple compresses if the company grows into it.

YearPriceRev GrEBITDA %EBITDAEV/EBITDAEV/FCFP/EP/S
202228.0229.3%1468.9×19.9×15.0×2.8×
202361.85+29.1%37.3%24010.7×17.6×15.9×3.4×
202437.13+13.2%36.9%26910.2×15.9×14.5×3.2×
202526.78-1.3%27.0%1955.3×>999×12.9×1.8×
TTM18.85-1.1%21.6%1560.0×0.0×0.0×0.0×
2027E18.85+12.4%0.2%10.0×0.0×0.0×0.0×

EBITDA in reporting-currency $M. Historical multiples use year-end market cap (split-adjusted price history); TTM & forward years use today's.

AI Analysis

LLM Evaluations

Claude4/10UNDERWEIGHTFV: $14.50

Amphastar is a deteriorating story masked by pipeline optionality. The core generic injectable business is in secular decline with accelerating pricing pressure, while BAQSIMI — the crown jewel acquisition — is underperforming on net revenue due to 340B rebate gaming and competitive dynamics. Margins have collapsed from 36%+ EBITDA to single digits in Q1 2026, and R&D spending is ramping aggressively for 2027 launches (insulin aspart, GLP-1) that carry significant execution and regulatory risk. The balance sheet is leveraged (~$610M debt vs. ~$214M tangible equity), governance concerns around extensive family-linked related-party transactions are material, and $575M+ in contingent milestone payments represent a hidden liability. At 60x TTM P/FCF with 11%+ short interest and insider selling, the risk/reward skews negative. The AMP-007 launch provides a near-term floor but is a finite catalyst. Until the 2027 pipeline materializes and margin trajectory stabilizes, this is a show-me story trading at a premium to its deteriorating fundamentals.

Catalyst Successful FDA approval and commercial launch of insulin aspart biosimilar (AMP-004) or GLP-1 ANDA in 2027 could rerate the stock significantly; alternatively, AMP-007 exclusivity revenue exceeding expectations in H2 2026 could stabilize sentiment.
Risk Continued margin compression if legacy product declines accelerate faster than new launches can offset, combined with the risk that $575M in BAQSIMI contingent milestones become payable precisely when cash flows are weakest — creating a liquidity squeeze given high existing leverage.
Trend
DETERIORATING
Mgmt
4/10
Quarter
2/10
Exp. Move
-8.0%

Latest Earnings Call

Transcript Summary

Amphastar Pharmaceuticals reported Q1 2026 revenues of $171.2 million, a slight increase year-over-year, though net income dropped sharply to $6.4 million due to margin compression and high R&D investment. BAQSIMI revenue fell 15% to $32.4 million, hit by 340B discount issues and higher rebates, despite unit growth of 8%. In response, management implemented a 3% price hike and engaged consultants to audit rebate claims. Primatene MIST continued its steady performance with $29.8 million in sales. A major highlight was the April launch of AMP-007, the only generic Ipratropium Bromide inhaler on the market, which is expected to bolster 2026 growth. R&D spending rose 33% as the company progresses toward 2027 launch targets for its insulin aspart biosimilar and GLP-1 ANDA. Glucagon sales saw a 56% decline due to competitive shifts toward ready-to-use products. Despite near-term pricing headwinds in the legacy portfolio, management remains committed to its mid-to-high single-digit unit growth guidance, supported by new launches and a robust pipeline of complex generics and proprietary assets. The company ended the quarter with strong operational cash flow and continued share buybacks.

Valuation & Metrics

Market Stats

Price$18.85
Market Cap$831M
Enterprise Value$1.2B
P/S Ratio1.1x
P/FCF59.6x
EV/FCF87.7x
FCF Margin (TTM)1.9%
FCF Yield1.7%
Dividend Yield (TTM)1.6%
Annual Dilution-6.9%
CurrencyUSD

TTM Financial Snapshot

Revenue$720.5M
Net Income$79.2M
Free Cash Flow$13.9M

Revenue Growth (YoY)+0.4%
EBITDA Margin21.6%
Net Margin11.0%
FCF Margin1.9%
CapEx % of Revenue7.2%
SBC % of Revenue3.0%
ROIC12.5%
WC Change % Rev-0.6%
Interest Coverage6.1x

DCF Fair Value Estimate

$8.02
-57.4% upside
Fair Enterprise Value$765M
− Net Debt$392M
= Fair Equity$373M
Revenue Growth6.8% → 3.0%
FCF Margin1.9% → 10.0%
Discount Rate15.0%
Terminal EV/FCF10.0x

Forward Outlook & Risk

Short Interest

Short % of Float10.9%
Short Shares3.6M
Days to Cover8.7
Change (vs Prior)-8.1%
Short % Float History
10.90%+1.10pp
10.0%11.0%12.0%13.0%04-3007-1509-1511-1401-1504-30

Options

Call IV (ATM)60%
Put IV (ATM)--
ATM Spread20.1%
Call $OI (near money)$7K
Put $OI (near money)$7K
ATM ExpiryJuly 17, 2026 (56D)
ATM Strike$17.5
Major Expirations3
Near-money chain · July 17, 2026
StrikeCall Bid/AskCall OIPut Bid/AskPut OI
$7.50$8.70/$12.900--/$2.400
$10.00$6.20/$10.500--/$5.000
$12.50$4.00/$8.100--/$2.300
$15.00$1.30/$5.800--/$2.500
$17.50$0.40/$4.102--/$3.301
$20.00--/$3.100$0.25/$4.600
$22.50--/$2.500$2.40/$6.500
$25.00--/$2.600$4.80/$9.000
Snapshot: 2026-05-22

Forward Projections & Estimates

NTM Revenue Growth+6.6%
Forward FCF Margin9.0%
Forward EBITDA Margin17.2%
Forward P/FCF12.0x
Forward EV/FCF17.7x
Forward Int. Coverage4.8x
Model Risk Score7/10
Bankruptcy Odds8%
Est. Borrow Rate8.5%
Terminal EV/FCF10.0x
LT Growth3.0%
LT FCF Margin10.0%

Employees

Headcount2,028
Revenue / Employee$355,291
Gross Profit / Employee$168,209
2022: 1,615 → 2023: 1,761 → 2024: 2,028 → 2025: 1,976 (7% CAGR)

Institutional Ownership

Headline & net flow

NET BUYING

In Q1 2026 so far (quarter still filing), institutions are net buyers — bought 10.2% of float, sold 7.2%. 1 filer moved >1% of shares (1 buying, 0 selling).

Net flow · Q1 2026still filing
+3.0% of float (net)
Bought 10.2% · Sold 7.2%
210 filers reported (last quarter: 236)

Ownership composition

Active
45.9%(-25.9% YoY)
192 filers
hedge / family / endowment
Retail funds
Fidelity, Schwab, 401(k)
Passive
31.8%(-15.4% YoY)
13 filers
Vanguard, iShares, SPDR
Market makers
0.4%(-0.5% YoY)
6 filers
Citadel, Susquehanna
Insiders
1.7%
Form 4 — latest per insider
0%25%50%75%100%2022-062023-032023-122024-092025-062026-03
ActiveRetail fundsPassiveMarket makersRetail direct

Top holders

Fund$ valueCost basisΔ QoQΔ YoYα lifeFund AUM
BlackRock, Inc.Passive$106M$48.28−$797K−$14.2M-0.2%$5.69T
DIMENSIONAL FUND ADVISORS LPPassive$39.7M$27.42+$4.5M+$13.2M-0.4%$480.92B
STATE STREET CORPPassive$31.5M$36.59+$1.5M+$57K-0.2%$2.89T
VANGUARD CAPITAL MANAGEMENT LLCPassive$30.2M$19.59+$30.2M+$30.2M$4.04T
TD ASSET MANAGEMENT INC$30.2M$46.63−$8.3M−$13.1M-0.1%$123.19B
FULLER & THALER ASSET MANAGEMENT, INC.$27.3M$43.12+$13K+$2.6M-0.0%$29.55B
MARSHALL WACE, LLP$20.1M$34.88−$4.1M−$119K+0.6%$92.71B
AMERICAN CENTURY COMPANIES INC$19.9M$34.29+$6.9M+$13.9M+0.7%$193.48B
GEODE CAPITAL MANAGEMENT, LLCPassive$19.1M$36.03+$1.8M+$423K+2.3%$1.61T
BTIM Corp.$18.5M$40.61−$2.8M−$5.3M-0.6%$12.16B
Epoch Investment Partners, Inc.$17.6M$49.15−$4.5M−$7.1M-0.3%$16.52B
VANGUARD PORTFOLIO MANAGEMENT LLCPassive$15.4M$19.59+$15.4M+$15.4M$1.91T
D. E. Shaw & Co., Inc.$13.0M$27.21+$2.1M+$12.5M-0.3%$118.02B
LSV ASSET MANAGEMENT$12.8M$32.97+$10.6M+$11.9M+0.0%$46.40B
Invesco Ltd.$11.8M$27.66+$2.0M+$4.8M-0.2%$652.04B
RENAISSANCE TECHNOLOGIES LLC$10.9M$36.95+$180K+$1.2M+1.2%$63.91B
SYSTEMATIC FINANCIAL MANAGEMENT LP$8.9M$32.23+$339K+$2.5M-0.6%$4.33B
MORGAN STANLEY$8.2M$35.74−$3.4M−$2.0M-0.3%$1.65T
UBS Group AG$8.2M$30.45+$3.2M+$6.5M-0.3%$562.11B
ROYCE & ASSOCIATES LP$8.0M$27.01+$1.1M+$3.1M-0.9%$10.09B
Cost basis is a volume-weighted estimate from accumulation periods within our 13F history; holders who built their position before our window started will show a stale basis. % above the cost basis is the unrealized gain at the current price.

Trading behavior

Smart-money alpha (lifetime, %/qtr)NEUTRAL
Holders
-0.16%
avg per quarter
Holders (ex-self)
-0.13%
excl. this stock
Buyers (this Q)
-0.05%
45 buyers · $0.08B in
Sellers (this Q)
-0.12%
98 sellers · $0.18B out
alpha coverage: 92% of $ has a lifetime-alpha record
Holder behavior on this stocksource: stock
On big dips (−10%+)
-1.5%
how holders react when this stock falls
On quiet Qs
+5.0%
−10% to +10% baseline
On rallies (+10%+)
-27.5%
how they react when this stock rises
Holders' portfolio flow this Q
+1.1%
inflows — adds are organic
Sellers' portfolio flow this Q
+0.7%
Sellers' overall flow ~ flat.
▸ Compare to holder-profile behavior (across all their stocks)
Holder dip (any stock)
-5.3%
Holder mid (any stock)
-3.9%
Holder rally (any stock)
-5.6%

Top Holders Over Time

5-year share-count history (top 10 holders by peak, incl. exited) + price

02.6M5.2M7.8M10.4M$20$30$41$51$622021-062022-062023-062024-062025-062026-03
hover the chart for per-quarter detailprice (right axis)
FEDERATED HERMES, INC.14KNeuberger Berman Group LLCTD ASSET MANAGEMENT INC1.5MFULLER & THALER ASSET MANAGEMENT, INC.1.4MEpoch Investment Partners, Inc.899KPacer Advisors, Inc.RENAISSANCE TECHNOLOGIES LLC554KBTIM Corp.945KPRICE T ROWE ASSOCIATES INC /MD/45KMORGAN STANLEY420K

Analyst Coverage

Analyst Coverage
Price Targets
Last Quarter (3 analysts)$20.67970.0%
Last Year (4 analysts)$23.002200.0%
Current Price$18.85
Analyst Ratings
3
9
Buy: 3Hold: 9Consensus: Hold
Consensus Estimates
QuarterRevenueEBITDANet IncEPSEPS Range# Analysts
2025 Q3186M39M38M$0.83$0.70 – $0.904
2025 Q4189M40M42M$0.90$0.87 – $0.924
2026 Q1173M36M33M$0.71$0.65 – $0.755
2026 Q2180M38M32M$0.69$0.66 – $0.744
2026 Q3198M41M39M$0.84$0.81 – $0.884
2026 Q4197M41M39M$0.83$0.79 – $0.862
2027 Q1181M38M33M$0.71$0.68 – $0.742
2027 Q2190M40M36M$0.77$0.74 – $0.801
2027 Q3204M43M40M$0.87$0.83 – $0.901
2027 Q4203M42M38M$0.82$0.79 – $0.852

Corporate

Executive Compensation (2023-2025)

Direct Pay$65.5M
Incentive & Other$46.0M
Total Compensation$111.5M
% of Revenue5.2%

Insider Trading (last 12mo)

Open-market only (Form 4 P-Purchase + S-Sale). Excludes grants, option exercises, tax withholding, gifts.
Officers & directors
Buys ($, 12mo)
$0
0 txns · 0 insiders · 0 sh
Sells ($, 12mo)
$996K
11 txns · 3 insiders · 37,808 sh
Recent transactions
DateSideInsiderTitleSharesPriceDollarsOwned $
2025-12-17SELLZhou Rongofficer: SENIOR EVP, PRODUCTION CENTER9,787$26.20$256K$3.62M
2025-12-12SELLPetersen Floyd F.director2,426$25.92$63K$1.85M
2025-12-11SELLPetersen Floyd F.director1,737$25.69$45K$1.90M
2025-11-25SELLPRINS RICHARD Kdirector4,179$27.10$113K$953K
2025-11-13SELLPetersen Floyd F.director16,679$26.49$442K$2.00M
2025-11-03SELLPetersen Floyd F.director500$25.27$13K$1.91M
2025-10-01SELLPetersen Floyd F.director500$27.20$14K$2.07M
2025-09-02SELLPetersen Floyd F.director500$30.98$15K$2.37M
2025-08-01SELLPetersen Floyd F.director500$20.83$10K$1.60M
2025-07-02SELLPetersen Floyd F.director500$23.47$12K$1.82M
2025-06-02SELLPetersen Floyd F.director500$25.67$13K$1.87M

Order Flow (FINRA, ~3w lag)

14.9%retail-5.1pp
31.1%dark+2.4pp
week of 2026-04-13
10%15%20%25%30%35%24-1125-0225-0525-0825-1126-0226-04retail (non-ATS)dark (ATS)
Off-exchange volume from FINRA. Retail = non-ATS (wholesaler PFOF + broker internalization). Dark = ATS (dark-pool crossing networks, institutional). Lit-exchange = remainder.

Revenue Breakdown

Revenue Segments

By Product (2026-Q1)
Other Products$67.1MNEW
BAQSIMI$32.4MNEW
Primatene MIST$29.8MNEW
Epinephrine$19.2MNEW
Lidocaine$13.5MNEW
Glucagon$9.2MNEW
By Geography (2026-Q1)
UNITED STATES$159.0M-2%
France$9.7MNEW
China$2.5MNEW

Filing Risk Analysis

Filing Risk Scores

Amphastar Pharmaceuticals: A Web of Related-Party Licensing and Contingent Milestones

Overall Risk
6/10
Fraud
4/10
Dilution
3/10
Insolvency
5/10
Earnings Overstated
5/10
Hidden Liabilities
7/10
Legal
4/10
Audit Warnings
2/10
Hidden Upside
6/10
Contextually Acceptable
7/10

Counter-Thesis

Counter-Thesis & Recent News

📰 Recent News

Amphastar reported a significant Q1 2026 earnings miss on May 7, with EPS of $0.73 missing the $0.97 consensus and revenue of $183.1M falling short of the $190.5M expectation. Following the report on May 8, 2026, the stock gapped down over 20%. This follows a string of analyst downgrades from firms like Jefferies, Needham, and Barclays, who cited disappointing traction for new launches and a lack of meaningful upside catalysts.

🐻 Bear Case

The central bear argument is that 'branded growth cannot outrun generic erosion.' High-margin legacy products are decaying rapidly; glucagon sales collapsed 56% in Q1 2026, and epinephrine sales fell 25% year-over-year due to competitive entrants and market shifts. Management has already cut 2026 guidance once, and gross margins are guided lower as the company faces a 'growth gap' until its next major pipeline assets (insulin biosimilars) arrive in 2027.

🚩 Red Flags

The stock has seen 4 downward EPS revisions in the last 90 days with zero upward revisions, suggesting the 'Street' is still too optimistic. Insider activity shows 10 sells in the last 12 months and no buys. Additionally, the company is under scrutiny from the FTC regarding alleged improper 'Orange Book' patent listings for Baqsimi, and law firms (e.g., Levi & Korsinsky) have launched investigations into potential securities law violations following a 2024 CRL for generic teriparatide.

⚔️ Competitive Threats

Amphastar is losing its 'niche' advantage as competitors like Xeris (liquid glucagon) and large-scale generic players like Viatris, Teva, and Hikma use bundling and aggressive pricing to pressure its injectable portfolio. A new entrant in the glucagon market at the end of 2025 has become a 'significant drag' on growth, and management admitted that pricing pressure on epinephrine multidose vials is intensifying.

💬 Customer Sentiment

Sentiment is shifting toward pricing pushback. While Primatene Mist remains a 'life-saver' for some, users on Walmart and Drugs.com increasingly complain about its high price point ($30+) for an OTC product. More critically, 'customer mix' shifts (higher 340B pharmacy discounts and government rebates) have negatively impacted Baqsimi's average selling price by approximately $8 million, signaling that payers are forcing significant price concessions.

Full Earnings Call Transcript

Full Earnings Call Transcript — Q1 • 2026-05-08

Operator: Greetings, and welcome to the Amphastar Pharmaceuticals First Quarter Earnings Call. [Operator Instructions] Please note that certain statements made during this call regarding matters that are not historical facts, including, but not limited to, management's outlook or predictions for future periods are forward-looking statements. These statements are based solely on information that is now available to us. We encourage you to review the section entitled Forward-Looking Statements in the press release issued today and in the presentation on the company's website. Also, please refer to our SEC filings, which can be found on our company's website and the SEC's website for a discussion of numerous factors that may impact our future performance. We will also discuss certain non-GAAP measures. Important information on our use of these measures and reconciliations to U.S. GAAP may be found in our earnings release. Please note, this conference is being recorded. Our speakers today are Mr. Bill Peters, CFO; Mr. Dan Dischner, Senior Vice President of Corporate Communications; and Mr. Tony Marrs, Executive Vice President of Regulatory Affairs and Clinical Operations. I will now turn the conference over to your host, Mr. Dan Dischner, Senior Vice President of Corporate Communications. Dan, you may begin.
Dan Dischner: Thank you, Paul. Good afternoon, everyone, and thank you for joining Amphastar's First Quarter 2026 Earnings Call. Before we begin, I'd like to recognize the continued dedication of our employees across Amphastar. Their commitment to ensuring reliable access to essential medicines remains central to who we are and how we operate. Our first quarter performance demonstrated the continued strength and balance of our underlying business amid a rapidly evolving market landscape with solid commercial execution across our branded and differentiated portfolio alongside meaningful progress in our pipeline. We are actively managing near-term pricing and competitive pressures across certain legacy products with discipline and focus and remain confident that the strategic investments we are making today in our branded portfolio, biosimilars, complex generic pipeline and manufacturing infrastructure are building the foundation for durable long-term growth. We reported net revenues of approximately $171.2 million for the first quarter, reflecting a return to growth, driven primarily by contributions from recent product launches, while overall performance across the base business remained stable. We saw continued strength in key areas. partially offset by pricing pressure, product mix shifts and increased competition, trends that are broadly consistent with the current market environment. We continue to deploy capital towards initiatives that we believe will drive long-term growth. And while the full benefits of these investments are not yet visible in our financials, we remain confident in the value they will create. From a strategic perspective, our focus remains centered on 3 key priorities: one, strengthening the resilience of our business; two, expanding and optimizing our branded and differentiated portfolio; and three, advancing our pipeline of complex and proprietary products. First, strengthening the resilience of our core business. We continue to see variability in pricing and competitive intensity across certain legacy products. We remain disciplined in managing costs and focusing on operational efficiency, ensuring supply reliability and maintaining our position in essential product categories. This stability provides the foundation that supports both our near-term performance and our ability to invest in future growth. Second, expanding and optimizing our branded and differentiated portfolio. Products such as BAQSIMI and Primatene MIST remains center to our long-term growth strategy and continue to demonstrate underlying demand in the first quarter. BAQSIMI generated approximately $32 million in revenue this quarter. While reported revenue was impacted by higher rebates, channel mix and increased utilization of government programs, these dynamics did not reflect the underlying demand. It is also important to note that rebate pressure across these channels is an industry-wide dynamic and not unique to our portfolio. Demand trends remain positive with U.S. sales unit volumes increasing approximately 8% year-over-year. We are actively addressing these factors through investments in rebate management, contracting strategy and program optimization. We expect these pressures to moderate over time and remain confident in BAQSIMI's long-term growth trajectory. Primatene MIST generated approximately $30 million in revenue in the quarter, with performance driven by sustained consumer demand, continued commercial investment and brand strength. The brand maintained strong momentum with store level sales increasing approximately 6.5% year-over-year, reflecting incremental consumer adoption and an ongoing impact of our marketing program. In addition, we recently received FDA approval for AMP-007, our Ipratropium Bromide inhalation product and successfully launched the product in April. The launch is progressing as planned and reinforces our ability to execute across development, regulatory approval, manufacturing and commercialization in technically complex product categories. Importantly, our product is currently the first and only generic Ipratropium inhaled inhalation product on the market. Which we believe positions us for a meaningful near-term commercial opportunity. Third, advancing our pipeline of complex and proprietary products. We are continuing to expand our efforts towards higher-value opportunities, including proprietary and biosimilar programs, which now represent a significant and growing portion of our pipeline. Our strategy is built on a foundation that we have developed over many years, combining regulatory expertise, vertically integrated manufacturing and commercial capabilities to efficiently advance complex products from development through commercialization. This integrated platform allows us to move efficiently while maintaining control over quality, time lines and cost. We continue to make steady progress across key programs, including our insulin aspart biosimilar and our GLP-1 ANDA program, both of which remain on track for planned commercial launches in 2027. At the same time, we continue to develop our next-generation proprietary assets, including programs in oncology and immunology. While these programs remain in early stages, we are encouraged by the progress to date and are focused on advancing them through IND submissions and into clinical development. Together, these efforts reflect our broader objective of expanding into higher-value therapeutic areas over time. Our continued investment in these programs is underpinned by a strong financial position. The cash flow generated by our commercial portfolio supports ongoing internal R&D while allowing flexibility in how we allocate capital. This enables us to advance our proprietary programs in a disciplined manner without relying on external financing or partnerships. We also continue to actively evaluate targeted acquisitions and licensing opportunities that align with our existing capabilities, and our balance sheet provides the capacity to pursue these in a disciplined and selective manner. Looking ahead, we expect the operating environment to remain dynamic, particularly regarding pricing and competitive pressures. Against this backdrop, we are focused on disciplined execution while continuing to invest in the capabilities that underpin our long-term strategy. We believe this balanced approach grounded in diversification, operational rigor and sustained investment in our proprietary pipeline positions us to navigate near-term variability and support durable long-term growth. Over the next 12 to 18 months, we expect continued contribution from our commercial portfolio, supported by BAQSIMI, Primatene MIST and the recent launch of our ipratropium bromide. In parallel, we are focused on executing the next phase of our pipeline strategy with several important regulatory and development milestones ahead. This includes progress across our biosimilar programs as well as our continued advancement of our emerging proprietary assets, which we believe are centered to the long-term growth profile. We have updated the corporate presentation on our website with time lines for our proprietary candidates. I will now turn the call over to Bill Peters, our CFO and Executive Vice President of Finance, for a more detailed financial review of the first quarter.
William Peters: Thank you, Dan, and good afternoon, everyone. In my comments today, I will discuss the first quarter results and then update some of our assumptions for 2026. Revenues for the first quarter increased to $171.2 million from $170.5 million in the previous year's period. BAQSIMI's revenues decreased 15% to $32.4 million compared to $38.4 million in the prior year period as a result of lower average selling prices, which were partially offset by an 8% increase in units sold. The lower average selling price of BAQSIMI was driven by higher rebates and higher 340B pharmacy discounts, some of which may have been duplicated. Primatene MIST sales grew to $29.8 million in the first quarter, up 2% from $29.1 million in the first quarter of last year. Epinephrine sales increased 3% to $19.2 million from $18.6 million as increased demand for our prefilled syringe product was partially offset by increased competition for our multi-dose vial products. Glucagon injection sales declined 56% to $9.2 million from $20.8 million due to increased competition and a shift to ready-to-use products. Other finished pharmaceutical product sales increased 34% to $67.1 million from $50 million, primarily due to recently launched products, including an increase in albuterol sales of $2.8 million, iron sucrose sales of $1.4 million and teriparatide sales of $2.2 million, which we launched in August 2024, August 2025 and December 2025, respectively. Dextrose sales also increased due to shortages from other suppliers, while phytonadione sales declined due to increased competition. Cost of revenues increased to $100.8 million from $85.3 million. Gross margins declined to 71% of revenues in the first quarter of 2026 from 50% in the previous year. The primary drivers of the change were a lower average selling price for BAQSIMI as well as lower sales of glucagon, phytonadione and epinephrine multi-dose vials, which are higher-margin products. Additionally, increased costs at our Amphastar facility negatively impacted margins. Selling, distribution and marketing expenses were relatively unchanged at $11.9 million. General and administrative spending increased 13% to $18 million from $16 million, driven by higher legal expenses, salary and personnel-related expenses and expenses related to the implementation of our new ERP system. Research and development expenditures increased 33% to $26.7 million from $20.1 million due to the $2 million upfront payment made to in-license a new corticotropin product and spending on our insulin, inhalation and proprietary product pipeline. Our nonoperating expense of $3.6 million compares to a nonoperating expense last year of $6.4 million, primarily due to foreign currency fluctuations as well as mark-to-market adjustments related to our interest rate swap contracts in the quarter. Net income decreased to $6.4 million or $0.14 per share in the first quarter from $25.3 million or $0.51 per share in the first quarter of 2025. Adjusted net income decreased to $19.5 million or $0.42 per share compared to an adjusted net income of $36.9 million or $0.74 per share in the first quarter of last year. Adjusted earnings exclude amortization, equity compensation and onetime events. In the first quarter, we had cash flow from operations of approximately $47.8 million. During the quarter, we accelerated our share repurchase program and bought back $29.5 million worth of shares, which represents about 3% of our share count. Before I turn the call back over to Dan, I would like to update some of our guidance for 2026. We now believe that BAQSIMI revenue growth will be flat to up low single-digit percentages compared to last year due to the previously mentioned pricing pressures. In response to these pricing dynamics, we have taken additional steps to strengthen the durability of this business, including engaging a third party to support data-driven identification, validation and resolution of potential 340B duplicate discount. Additionally, we have implemented a 3% list price increase on BAQSIMI as of May 1. Importantly, even with this revised outlook for BAQSIMI, we are maintaining our overall corporate sales guidance of mid-single-digit to high single-digit unit growth. This reflects the strength of our broad portfolio, including  ipratropium bromide inhalation, which we launched in April and currently does not face any generic competitors. I'll now turn the call back over to Dan.
Dan Dischner: Thanks, Bill. In summary, our first quarter performance reflects our resilience and ability to execute in a dynamic market and environment. Growth was supported by new product launches and stable performance across our base portfolio while actively managing pricing and competitive pressures. BAQSIMI and Primatene MIST continue to demonstrate solid underlying demand, and we are taking targeted actions to improve net pricing and optimize performance over time. The recent approval and launch of our  ipratropium bromide inhalation product adds an important near-term growth driver. We remain on track with late-stage programs, including our insulin aspart biosimilar and our GLP-1 ANDA, both expected in 2027, while continuing to advance our early-stage proprietary pipeline. With a strong financial position, we are focused on executing against our strategy, navigating near-term variability and positioning the business for sustained long-term growth. With that, we will now take your questions. Operator?
Operator: [Operator Instructions] Our first question is from Serge Belanger with Needham & Company.
Serge Belanger: A couple of questions on BAQSIMI. So obviously, there were some headwinds in the first quarter. Just curious how much of it was seasonality peculiar to the first quarter? How much of it will continue to linger into the continuing quarters here? Specifically on price, can you talk about the price decrease and where you think you can get it to with the activities you'll be undertaking? And last one on BAQSIMI. In the past, you had talked about discontinuing commercialization in some international markets. Has that started to occur? And what impact would that have on the top -- on sales levels?
William Peters: Yes. So the pricing issue that we've been encountering appears to be potentially the increase of -- there's multiple things going on there. One, there's some increased rebates, but also potentially, we believe some duplicate rebates, which seems to be a 340B pharmacy issue. So what we've undertaken is to engage an outside consultant or outside firm to basically validate these claims before they're paid. So we believe that in doing that, we will stop that practice. We just engaged that firm and that process began at the beginning of May. So that trend continues into April, but we hope that changes in May. Additionally, the 3% price increase that we took is also effective May 1. So we believe that we could get at least part way back to the pricing where we were last year or most of the way back later this year, but part of the way back this quarter. And seasonality did not have anything to do with that. And as far as the discontinuation from certain international markets, we've talked about withdrawing from a handful of markets. The -- that situation is that we have given notice in some countries that require a lengthy notice period. And also, we have some inventory in other countries that we plan to discontinue. So the discontinuation would begin in July, but it's not going to be all at once because some -- like I said, so some countries are going to have inventory that might extend into August or September and others with a notice period requirement will keep selling probably through the end of this year and into the first quarter of next year. So it's not going to be a falloff. And remember, we've also characterized this as 80% of our sales were in the United States last year, only 20% were foreign, and we're only going to drop out of a handful of countries out of the 20-something foreign countries. So we're going to remain in most of the foreign countries, including all of the top-selling markets. So it's not going to be a significant decrease in the third quarter. And also the other way to think about it is that last year, U.S. sales were 80%. This year, they're probably going to be closer to 85%.
Operator: Our next question is from Dennis Ding with Jefferies.
Anthea Li: This is Anthea on for Dennis. We just had 2 on the pipeline. First, on the synthetic corticotropin, I see in your slides that you're thinking to go into Phase I in 2027. I'm curious if you've met with the FDA and had regulatory alignment there and whether there could be an accelerated path? And then second, any updates on 004, the insulin aspart? I think the prior PDUFA was planned for 2026. So just curious on any additional color there.
Dan Dischner: Okay. I'll take the first one, the update on 004. It's -- we're just -- it's still in progress and nothing has changed. We still plan on commercializing it in 2027. On your other question regarding -- yes, Tony, if you can take that one?
Tony Marrs: Sure. Sure. For 110, we have not met with the agency for that. We think the possibility is there for -- among these pipeline products for expedited approvals, but we haven't met with the agency, and we don't have alignment with them on that.
Operator: Our next question is from Ekaterina Knyazkova with JPMorgan.
Ekaterina Knyazkova: Actually, another one on AMP-004. Just can you remind us how you're thinking about the size of that opportunity and just how quickly it could ramp in '27? And then second question is just on glucagon. Is the Q1 number a good kind of tailwind for the product? Or would you expect sequential erosion from that Q1 number?
William Peters: Yes. So for the first one, this is a product that still has over $1 billion in sales. So we think that it's going to be a relatively large product for us and a meaningful product for us when we launch that. We do think it will take a little time to get sales and also will depend on whether we have the interchangeability or not, which we would like to get right away. So there's going to be a couple of different drivers, and we should have a little more idea of that timing and pathway next year. And as far as glucagon, I will say that, no, we have not reached the bottom of that yet, but I'll say the rate of decline is slowing significantly. So it will decline from here, but not at the same rate that it's been declining.
Operator: Our next question is from David Amsellem with Piper Sandler.
Naoki Martin: This is Naoki on for David. So first on Primatene MIST, how should we think about generic competition? And do you have any updates regarding life cycle management? So that's number one. Number two, how should we think about revenue contribution from 007 and the extent of the opportunity here?
Dan Dischner: Well, Primatene MIST, we have not been notified or have no visibility on whether or not there is a generic in place. We've always taken the position that we believe it would be very difficult to genericize this product. Primatene MIST has 60 years of brand recognition. The product would be -- it's over the counter. It would be difficult regulatory-wise. It's not a similar -- it's not -- because it's retail and it's over-the-counter, it has -- it's different market dynamics than what you would see with a typical generic. So we haven't really -- we have no visibility outside of that. As far as our next generation, we have -- as we said, we have in our pipeline, we have a green version that we're working on. We have one patent already and another one pending, and we continue to advance that through development.
William Peters: Yes, on 007, we haven't given anybody -- we haven't given a sales forecast on that. However, we have said that, that would be our biggest growth driver this year, and we had a couple of different scenarios. And we said that even when we thought that there might be a generic competitor on the market with us. As of today, there isn't, and we launched this in mid-April. So right now, we're almost a month into it without a generic competitor. So that's one of the reasons why we're able to maintain our high -- our mid-single-digit to high single-digit sales growth guidance for the year that I believe that this product will outpace our original assumptions.
Operator: There are no further questions at this time. I would like to hand the floor back over to management for any closing remarks.
Dan Dischner: Thank you, Paul. Thank you all for your questions and your continued interest in Amphastar. We remain focused on executing against our strategy and advancing the initiatives we discussed today. We appreciate your continued support and look forward to updating you on our progress next quarter. Have a great day.
Operator: This concludes today's conference. You may disconnect your lines at this time. Thank you for your participation.