AMPH

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3, 5, 10-Year Performance
EV/EBITDA, EV/Sales
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Dollar change -0.78
Percentage change -3.08	%

Peers: PFE JNJ BMY LLY ABBV MRK REGN AZN GILD VRTX

| Held by: IJR IWM VTI VXF IWO SPSM CALF PJP IJT VTWO

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Index	RUT	P/E	8.91	EPS (ttm)	2.76	Insider Own	26.23%	Shs Outstand	47.67M	Perf Week	-7.11%
Market Cap	1.16B	Forward P/E	6.99	EPS next Y	3.51	Insider Trans	-0.05%	Shs Float	34.58M	Perf Month	-2.03%
Enterprise Value	1.57B	PEG	-	EPS next Q	0.74	Inst Own	72.37%	Short Float	11.85%	Perf Quarter	-12.00%
Income	141.63M	P/S	1.58	EPS this Y	-19.13%	Inst Trans	-5.07%	Short Ratio	7.02	Perf Half Y	-39.86%
Sales	730.66M	P/B	1.56	EPS next Y	12.49%	ROA	8.85%	Short Interest	4.10M	Perf YTD	-33.85%
Book/sh	15.76	P/C	4.84	EPS next 5Y	-1.31%	ROE	19.90%	52W High	53.96 -54.48%	Perf Year	-39.42%
Cash/sh	5.08	P/FCF	7.71	EPS past 3/5Y	34.92% 25.59%	ROIC	10.15%	52W Low	22.64 8.48%	Perf 3Y	-20.83%
Dividend Est.	-	EV/EBITDA	6.21	Sales past 3/5Y	18.69% 17.82%	Gross Margin	48.74%	Volatility	1.54% 1.98%	Perf 5Y	23.17%
Dividend TTM	-	EV/Sales	2.15	EPS Y/Y TTM	-8.46%	Oper. Margin	26.65%	ATR (14)	0.82	Perf 10Y	52.17%
Dividend Ex-Date	-	Quick Ratio	2.02	Sales Y/Y TTM	8.05%	Profit Margin	19.38%	RSI (14)	42.37	Recom	2.33
Dividend Gr. 3/5Y	- -	Current Ratio	2.95	EPS Q/Q	-37.78%	SMA20	-4.23%	Beta	0.76	Target Price	32.40
Payout	0.00%	Debt/Eq	0.87	Sales Q/Q	-0.76%	SMA50	-0.80%	Rel Volume	1.16	Prev Close	25.34
Employees	2028	LT Debt/Eq	0.86	Earnings	May 07 AMC	SMA200	-31.64%	Avg Volume	583.48K	Price	24.56
IPO	Jun 25, 2014	Option/Short	Yes / Yes	EPS/Sales Surpr.	7.76% -1.39%	Trades		Volume	672,723	Change	-3.08%

Date	Action	Analyst	Rating Change	Price Target Change
May-12-25	Downgrade	JP Morgan	Overweight → Neutral	$30
Feb-04-25	Downgrade	Piper Sandler	Overweight → Neutral	$66 → $36
Nov-22-24	Initiated	Wells Fargo	Equal Weight	$55
Mar-05-24	Initiated	JP Morgan	Overweight	$60
Nov-17-23	Initiated	BofA Securities	Neutral	$63
Jul-25-23	Resumed	Jefferies	Buy	$70
Oct-21-22	Resumed	Jefferies	Buy	$36
Jul-29-22	Initiated	CapitalOne	Overweight	$44
Jan-07-22	Upgrade	Piper Sandler	Neutral → Overweight	$21 → $28
Jan-08-21	Downgrade	Wells Fargo	Overweight → Equal Weight	$21
Oct-05-20	Upgrade	Northland Capital	Market Perform → Outperform	$24
May-01-20	Initiated	Northland Capital	Outperform	$23
Mar-13-19	Downgrade	Piper Jaffray	Overweight → Neutral	$24 → $23
Mar-13-19	Downgrade	Needham	Buy → Hold
Aug-10-18	Reiterated	Needham	Buy	$24 → $22
Mar-13-18	Reiterated	Needham	Buy	$23 → $24
Dec-01-17	Reiterated	Needham	Buy	$20 → $23
Nov-09-17	Downgrade	Raymond James	Outperform → Mkt Perform
Sep-27-17	Reiterated	Needham	Buy	$18 → $20
Mar-14-17	Downgrade	Raymond James	Strong Buy → Outperform

Show Previous Ratings

Jun-11-25 09:25AM	AMPH Q1 Earnings Call: Product Mix Shift and Margin Pressures Highlight Competitive Challenges (StockStory)
May-22-25 11:36PM	Generic Pharmaceuticals Stocks Q1 In Review: Amphastar Pharmaceuticals (NASDAQ:AMPH) Vs Peers (StockStory)
06:00AM	Amphastar Pharmaceuticals to Present at the Jefferies Global Healthcare Conference (ACCESSWIRE)
May-09-25 06:00AM	Amphastar Pharmaceuticals to Present at the 2025 Bank of America Health Care Conference (ACCESSWIRE)
May-08-25 10:49AM	Q1 2025 Amphastar Pharmaceuticals Inc Earnings Call (Thomson Reuters StreetEvents)
07:30PM	Loading…
May-07-25 07:30PM	Compared to Estimates, Amphastar (AMPH) Q1 Earnings: A Look at Key Metrics (Zacks)
07:22PM	Amphastar outlines key launches and product growth drivers for 2025 (Seeking Alpha)
07:20PM	Amphastar Pharmaceuticals Inc. (AMPH) Q1 2025 Earnings Call Transcript (Seeking Alpha)
05:35PM	Amphastar Pharmaceuticals (AMPH) Tops Q1 Earnings Estimates (Zacks)
04:32PM	Amphastar: Q1 Earnings Snapshot (Associated Press Finance)
04:05PM	Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2025 (ACCESSWIRE)
10:00AM	Here are the major earnings after the close today (Seeking Alpha)
May-06-25 05:30PM	Supernus Pharmaceuticals (SUPN) Q1 Earnings and Revenues Surpass Estimates (Zacks)
May-01-25 03:06PM	Is the Options Market Predicting a Spike in Amphastar (AMPH) Stock? (Zacks)
Apr-30-25 06:00AM	Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 7th, 2025 (ACCESSWIRE)
09:00AM	Loading…
Apr-29-25 09:00AM	2 Healthcare Stocks on Our Watchlist and 1 to Be Wary Of (StockStory)
Apr-28-25 05:05AM	Generic Pharmaceuticals Stocks Q4 Teardown: Viatris (NASDAQ:VTRS) Vs The Rest (StockStory)
Apr-16-25 02:41PM	IYH: Healthcare Dashboard For April (Seeking Alpha)
Apr-15-25 01:45PM	Is Amphastar Pharmaceuticals, Inc. (AMPH) the Best Pharma Stock to Buy for Long Term Growth? (Insider Monkey)
05:06AM	2 Reasons to Like AMPH and 1 to Stay Skeptical (StockStory)
Apr-03-25 06:00AM	Amphastar Pharmaceuticals to Present at the 24th Annual Needham Virtual Healthcare Conference (ACCESSWIRE)
Mar-28-25 06:00AM	International Medication Systems, Ltd. Receives FDA's Drug Shortage Assistance Award (ACCESSWIRE)
Mar-24-25 05:29AM	New Strong Sell Stocks for March 24th (Zacks)
Mar-13-25 05:01AM	Q4 Earnings Highs And Lows: Amphastar Pharmaceuticals (NASDAQ:AMPH) Vs The Rest Of The Generic Pharmaceuticals Stocks (StockStory)
Mar-05-25 06:00AM	Amphastar Pharmaceuticals to Present at the Barclays 27th Annual Global Healthcare Conference (ACCESSWIRE)
04:03AM	Generic Pharmaceuticals Stocks Q4 In Review: Amneal (NASDAQ:AMRX) Vs Peers (StockStory)
Mar-01-25 07:27AM	Is Amphastar Pharmaceuticals, Inc. (AMPH) the Best Small Cap Pharma Stocks to Buy Now? (Insider Monkey)
Feb-28-25 02:15PM	Specialty Pharma Amphastar Stock Falls On Lower Than Expected Q4 Earnings, Analyst Sees Competitive Headwinds (Benzinga) -9.72%
12:01PM	Amphastar Pharmaceuticals Inc (AMPH) Q4 2024 Earnings Call Highlights: Revenue Growth and ... (GuruFocus.com)
Feb-27-25 06:30PM	Amphastar (AMPH) Q4 Earnings: Taking a Look at Key Metrics Versus Estimates (Zacks)
06:15PM	Loading…
06:15PM	Amphastar Pharmaceuticals (AMPH) Q4 Earnings and Revenues Lag Estimates (Zacks)
05:23PM	Amphastar: Q4 Earnings Snapshot (Associated Press Finance)
05:02PM	Amphastar Pharmaceuticals (NASDAQ:AMPH) Misses Q4 Sales Targets, Stock Drops 12.1% (StockStory)
04:05PM	Amphastar Pharmaceuticals Reports Financial Results for the Three Months and Full Year Ended December 31, 2024 (ACCESSWIRE)
Feb-26-25 08:17AM	Earnings To Watch: Amphastar Pharmaceuticals (AMPH) Reports Q4 Results Tomorrow (StockStory)
07:42AM	Amphastar Pharmaceuticals Inc (AMPH) Q4 2024 Earnings Report Preview: What To Look For (GuruFocus.com)
Feb-21-25 04:07AM	Q3 Earnings Outperformers: Viatris (NASDAQ:VTRS) And The Rest Of The Generic Pharmaceuticals Stocks (StockStory)
Feb-20-25 04:05PM	Amphastar Pharmaceuticals to Release Fourth Quarter Earnings and Hold Conference Call on February 27, 2025 (ACCESSWIRE)
Feb-19-25 04:01AM	Generic Pharmaceuticals Stocks Q3 Teardown: Amneal (NASDAQ:AMRX) Vs The Rest (StockStory)
Feb-14-25 04:01AM	Unpacking Q3 Earnings: Amphastar Pharmaceuticals (NASDAQ:AMPH) In The Context Of Other Generic Pharmaceuticals Stocks (StockStory)
Feb-13-25 04:01AM	ANI Pharmaceuticals (NASDAQ:ANIP): Strongest Q3 Results from the Generic Pharmaceuticals Group (StockStory)
Jan-08-25 06:00AM	Amphastar Pharmaceuticals to Present at the 43rd Annual J.P. Morgan Healthcare Conference (ACCESSWIRE)
Dec-04-24 02:54PM	Implied Volatility Surging for Amphastar Pharmceuticals (AMPH) Stock Options (Zacks)
Nov-30-24 04:27PM	Why Amphastar Pharmaceuticals (AMPH) Is One of the Most Profitable Pharmaceutical Stocks Right Now? (Insider Monkey)
Nov-26-24 04:05PM	Amphastar Pharmaceuticals to Present at the 36th Annual Piper Sandler Healthcare Conference (ACCESSWIRE)
Nov-23-24 06:20AM	Amphastar initiated with an Equal Weight at Wells Fargo (TipRanks)
Nov-13-24 04:05PM	Amphastar Pharmaceuticals to Present at the Jefferies London Healthcare Conference (ACCESSWIRE)
Nov-07-24 01:18PM	Q3 2024 Amphastar Pharmaceuticals Inc Earnings Call (Thomson Reuters StreetEvents) -13.69%
02:24AM	Amphastar Pharmaceuticals Inc (AMPH) Q3 2024 Earnings Call Highlights: Resilient Revenue Growth ... (GuruFocus.com)
Nov-06-24 06:00PM	Here's What Key Metrics Tell Us About Amphastar (AMPH) Q3 Earnings (Zacks)
05:35PM	Amphastar Pharmaceuticals (AMPH) Lags Q3 Earnings and Revenue Estimates (Zacks)
04:33PM	Amphastar: Q3 Earnings Snapshot (Associated Press Finance)
04:05PM	Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended September 30, 2024 (ACCESSWIRE)
Nov-05-24 07:44AM	Amphastar Pharmaceuticals Inc (AMPH) Q3 2024 Earnings Report Preview: What to Expect (GuruFocus.com)
Oct-30-24 10:01AM	Amphastar Pharmaceuticals (AMPH) Expected to Beat Earnings Estimates: Should You Buy? (Zacks)
Oct-29-24 06:00AM	Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 6, 2024 (ACCESSWIRE)
Oct-25-24 09:40AM	Are Investors Undervaluing Amphastar Pharmaceuticals (AMPH) Right Now? (Zacks)
Oct-18-24 12:10PM	Will Amphastar (AMPH) Beat Estimates Again in Its Next Earnings Report? (Zacks)
Oct-11-24 12:32PM	Is Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) The Top Stock With Improving Technical Ratings According To Piper Sandler? (Insider Monkey)
Oct-03-24 08:42AM	Implied Volatility Surging for Amphastar Pharmaceuticals (AMPH) Stock Options (Zacks)
Sep-07-24 01:43AM	Insider Sale: Director Floyd Petersen Sells Shares of Amphastar Pharmaceuticals Inc (AMPH) (GuruFocus.com)
Aug-28-24 04:10PM	Amphastar Pharmaceuticals to Present at the 2024 Wells Fargo Healthcare Conference (ACCESSWIRE)
Aug-07-24 07:30PM	Compared to Estimates, Amphastar (AMPH) Q2 Earnings: A Look at Key Metrics (Zacks) +13.29%
05:30PM	Amphastar Pharmaceuticals (AMPH) Tops Q2 Earnings and Revenue Estimates (Zacks)
04:29PM	Amphastar: Q2 Earnings Snapshot (Associated Press Finance)
04:05PM	Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended June 30, 2024 (ACCESSWIRE)
Jul-31-24 04:05PM	Amphastar Pharmaceuticals to Release Second Quarter Earnings and Hold Conference Call on August 7, 2024 (ACCESSWIRE)
Jul-15-24 12:10PM	Why Amphastar (AMPH) is Poised to Beat Earnings Estimates Again (Zacks)
Jun-28-24 07:00PM	Insider Sale: CFO, EVP & Treasurer William Peters Sells Shares of Amphastar Pharmaceuticals ... (GuruFocus.com)
Jun-24-24 12:56PM	7 Biotech Stocks to Buy on the Dip: June 2024 (InvestorPlace)
Jun-14-24 04:30PM	BetterInvesting Magazine Update on Amphastar Pharmaceuticals Inc. and Medtronic PLC (PR Newswire)
Jun-12-24 02:36AM	Insider Sale: Director Floyd Petersen Sells Shares of Amphastar Pharmaceuticals Inc (AMPH) (GuruFocus.com)
Jun-04-24 06:00AM	Amphastar Announces Additional $50 Million Increase to its Share Buyback Program (ACCESSWIRE)
Jun-03-24 06:00AM	Amphastar Pharmaceuticals to Present at the Jefferies Global Healthcare Conference (ACCESSWIRE)
May-22-24 06:00AM	Amphastar Receives FDA Approval for Albuterol Sulfate Inhalation Aerosol (ACCESSWIRE)
May-16-24 06:15AM	Patent Peril: 3 Stocks at Risk From the FTC's Drug Crusade (InvestorPlace)
May-15-24 08:36AM	Implied Volatility Surging for Amphastar (AMPH) Stock Options (Zacks)
May-10-24 01:23PM	Amphastar Pharmaceuticals Reports Strong First Quarter Earnings, Surpassing Analyst Revenue ... (GuruFocus.com)
May-09-24 04:05PM	Amphastar Pharmaceuticals to Present at the Bank of America Securities Health Care Conference (ACCESSWIRE)
01:46PM	Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q1 2024 Earnings Call Transcript (Insider Monkey)
07:41AM	Q1 2024 Amphastar Pharmaceuticals Inc Earnings Call (Thomson Reuters StreetEvents)
03:53AM	Amphastar Pharmaceuticals Inc (AMPH) Q1 2024 Earnings Call Transcript Highlights: Robust Growth ... (GuruFocus.com)
May-08-24 10:57PM	AMPH Stock Earnings: Amphastar Pharma Beats EPS, Misses Revenue for Q1 2024 (InvestorPlace)
05:15PM	Amphastar Pharmaceuticals (AMPH) Tops Q1 Earnings and Revenue Estimates (Zacks)
04:13PM	Amphastar: Q1 Earnings Snapshot (Associated Press Finance)
04:05PM	Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2024 (ACCESSWIRE)
May-01-24 10:01AM	Amphastar Pharmaceuticals (AMPH) Reports Next Week: Wall Street Expects Earnings Growth (Zacks)
Apr-30-24 04:05PM	Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 8, 2024 (ACCESSWIRE)
12:10PM	Why Amphastar (AMPH) Could Beat Earnings Estimates Again (Zacks)
Apr-04-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Stock Moves -1%: What You Should Know (Zacks)
Apr-01-24 06:00AM	Amphastar Pharmaceuticals to Present at the 23rd Annual Needham Virtual Healthcare Conference (ACCESSWIRE)
Mar-27-24 09:30AM	Is Amphastar (AMPH) a Buy as Wall Street Analysts Look Optimistic? (Zacks)
Mar-26-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Registers a Bigger Fall Than the Market: Important Facts to Note (Zacks)
Mar-20-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Stock Sinks As Market Gains: What You Should Know (Zacks)
Mar-11-24 09:30AM	Brokers Suggest Investing in Amphastar (AMPH): Read This Before Placing a Bet (Zacks)
Mar-08-24 11:31PM	Amphastar Pharmaceuticals Inc CFO, EVP & Treasurer William Peters Sells 18,136 Shares (GuruFocus.com)
Mar-06-24 11:29PM	Amphastar Pharmaceuticals Inc Director Michael Zasloff Sells 12,500 Shares (GuruFocus.com)
04:05PM	Amphastar Pharmaceuticals to Present at the Barclays 26th Annual Global Healthcare Conference (ACCESSWIRE)
Mar-02-24 08:24AM	Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q4 2023 Earnings Call Transcript (Insider Monkey)
Feb-29-24 08:09AM	Q4 2023 Amphastar Pharmaceuticals Inc Earnings Call (Thomson Reuters StreetEvents) -14.93%

Amphastar Pharmaceuticals, Inc. engages in developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredient. It operates through Finished Pharmaceutical Products and Active Pharmaceutical Ingredients Products segments. The Finished Pharmaceutical Products segment manufactures, markets, and distributes Primatene Mist, enoxaparin, naloxone, phytonadione, lidocaine, and other critical and non-critical care drugs. The Active Pharmaceutical Ingredients Products segment offers RHI API and porcine insulin API for external customers and internal product development. The company was founded by Zi-Ping Luo and Yong Feng Zhang on February 29, 1996 and is headquartered in Rancho Cucamonga, CA.

Insider Trading	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
Zhang Jack Y.	CEO & CHIEF SCIENTIFIC OFFICER	Jun 13 '25	Option Exercise	13.03	200,000	2,606,000	2,847,659	Jun 16 05:19 PM
Petersen Floyd F.	Director	Jun 02 '25	Sale	25.67	500	12,835	72,909	Jun 04 06:39 PM
Petersen Floyd F.	Director	Jun 02 '25	Proposed Sale	25.61	500	12,805		Jun 02 04:06 PM
Petersen Floyd F.	Director	May 01 '25	Sale	24.08	500	12,041	73,409	May 02 08:27 PM
Petersen Floyd F.	Director	May 01 '25	Proposed Sale	24.19	500	12,095		May 01 04:03 PM
Petersen Floyd F.	Director	Apr 01 '25	Sale	28.38	500	14,190	73,909	Apr 02 06:45 PM
Petersen Floyd F.	Director	Apr 01 '25	Proposed Sale	28.86	500	14,430		Apr 01 04:01 PM
Zhang Jack Y.	CEO & CHIEF SCIENTIFIC OFFICER	Mar 14 '25	Option Exercise	14.69	290,477	4,267,107	2,899,859	Mar 18 07:13 PM
Zhang Jack Y.	CEO & CHIEF SCIENTIFIC OFFICER	Mar 14 '25	Option Exercise	14.69	211,213	3,102,719	1,359,470	Mar 18 07:13 PM
Petersen Floyd F.	Director	Mar 06 '25	Sale	27.99	1,000	27,986	74,409	Mar 07 04:01 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Mar 04 '25	Option Exercise	13.35	7,490	99,992	101,594	Mar 06 05:00 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Mar 04 '25	Sale	27.54	4,231	116,515	97,363	Mar 06 05:00 PM
Petersen Floyd F.	Director	Mar 06 '25	Proposed Sale	27.80	1,000	27,800		Mar 06 04:02 PM
PETERS WILLIAM J	Officer	Mar 04 '25	Proposed Sale	27.21	4,231	115,126		Mar 04 04:07 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Dec 13 '24	Option Exercise	11.33	8,000	90,640	126,469	Dec 16 05:22 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Dec 12 '24	Option Exercise	11.33	7,000	79,310	125,469	Dec 16 05:22 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Dec 13 '24	Sale	45.23	8,000	361,840	118,469	Dec 16 05:22 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Dec 12 '24	Sale	44.42	7,000	310,975	118,469	Dec 16 05:22 PM
PRINS RICHARD K	Director	Dec 09 '24	Option Exercise	19.52	10,000	195,200	40,471	Dec 11 08:28 PM
PRINS RICHARD K	Director	Dec 09 '24	Sale	43.77	10,000	437,702	30,471	Dec 11 08:28 PM
Richard Prins	Executive	Dec 09 '24	Proposed Sale	44.00	10,000	440,000		Dec 09 11:37 AM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Nov 12 '24	Option Exercise	14.95	6,893	103,050	125,281	Nov 13 08:26 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Nov 12 '24	Sale	48.88	6,893	336,930	118,388	Nov 13 08:26 PM
PRINS RICHARD K	Director	Nov 12 '24	Option Exercise	16.69	2,500	41,725	36,471	Nov 13 06:55 PM
PRINS RICHARD K	Director	Nov 12 '24	Sale	48.80	5,000	243,986	31,471	Nov 13 06:55 PM
Rong Zhou	Executive Vice President	Nov 12 '24	Proposed Sale	48.10	31,680	1,523,808		Nov 12 01:29 PM
Richard Prins	Director	Nov 12 '24	Proposed Sale	48.10	5,000	240,500		Nov 12 01:29 PM
Liawatidewi Yakob	EVP CORP ADMIN CENTER	Nov 06 '24	Option Exercise	13.03	5,214	67,938	80,152	Nov 08 07:02 PM
Liawatidewi Yakob	EVP CORP ADMIN CENTER	Nov 06 '24	Sale	52.05	5,214	271,389	74,938	Nov 08 07:02 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Nov 06 '24	Option Exercise	13.03	7,426	96,761	101,529	Nov 08 05:24 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Nov 06 '24	Sale	52.05	7,426	386,523	94,103	Nov 08 05:24 PM
Liawatidewi Yakob	Director	Nov 06 '24	Proposed Sale	52.05	5,214	271,389		Nov 06 04:54 PM
PETERS WILLIAM J	Officer	Nov 06 '24	Proposed Sale	52.05	7,426	386,523		Nov 06 04:54 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Sep 13 '24	Option Exercise	14.95	3,000	44,850	121,388	Sep 17 04:11 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Sep 13 '24	Sale	48.26	3,000	144,784	118,388	Sep 17 04:11 PM
Zhang Jack Y.	CEO & CHIEF SCIENTIFIC OFFICER	Sep 13 '24	Option Exercise	14.69	100,000	1,469,000	2,633,554	Sep 16 07:09 PM
Petersen Floyd F.	Director	Sep 05 '24	Sale	46.47	3,000	139,417	75,409	Sep 06 07:48 PM
Floyd Petersen	Director	Sep 05 '24	Proposed Sale	46.00	5,000	230,000		Sep 05 04:48 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Aug 26 '24	Option Exercise	14.95	4,000	59,800	122,388	Aug 27 09:33 PM
Zhou Rong	SENIOR EVP, PRODUCTION CENTER	Aug 26 '24	Sale	48.35	4,000	193,400	118,388	Aug 27 09:33 PM
Rong Zhou	Director	Aug 26 '24	Proposed Sale	47.00	13,893	652,971		Aug 26 05:26 PM
PRINS RICHARD K	Director	Aug 12 '24	Option Exercise	19.83	17,101	339,170	51,072	Aug 13 05:58 PM
PRINS RICHARD K	Director	Aug 12 '24	Sale	43.07	17,101	736,550	33,971	Aug 13 05:58 PM
Richard Prins	Director	Aug 12 '24	Proposed Sale	44.00	17,101	752,444		Aug 12 05:25 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Jul 31 '24	Option Exercise	20.23	10,282	208,005	104,385	Aug 02 04:32 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Jul 31 '24	Sale	44.23	10,282	454,773	94,103	Aug 02 04:32 PM
PETERS WILLIAM J	Officer	Jul 31 '24	Proposed Sale	44.23	10,282	454,772		Jul 31 05:24 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Jun 27 '24	Sale	40.93	3,596	147,169	94,103	Jun 28 04:26 PM

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Amphastar Pharmaceuticals Inc

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