AMPH

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Dollar change +1.72
Percentage change 3.62	%

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

| Held by: IJR VTI IWM VXF AVUV IJT IWO SPSM SLYG PJP

Index	RUT	P/E	15.70	EPS (ttm)	3.14	Insider Own	25.79%	Shs Outstand	48.07M	Perf Week	5.25%
Market Cap	2.40B	Forward P/E	11.27	EPS next Y	4.37	Insider Trans	-0.36%	Shs Float	36.12M	Perf Month	2.50%
Income	166.51M	PEG	1.10	EPS next Q	1.01	Inst Own	71.71%	Short Float	12.05%	Perf Quarter	24.34%
Sales	712.89M	P/S	3.37	EPS this Y	19.53%	Inst Trans	2.91%	Short Ratio	12.06	Perf Half Y	20.87%
Book/sh	14.57	P/B	3.38	EPS next Y	10.17%	ROA	11.60%	Short Interest	4.35M	Perf Year	6.78%
Cash/sh	4.52	P/C	10.90	EPS next 5Y	14.24%	ROE	25.57%	52W Range	36.56 - 65.92	Perf YTD	-20.31%
Dividend Est.	-	P/FCF	13.47	EPS past 5Y	-	ROI	12.52%	52W High	-25.23%	Beta	0.83
Dividend TTM	-	Quick Ratio	2.63	Sales past 5Y	17.24%	Gross Margin	53.14%	52W Low	34.82%	ATR (14)	1.35
Dividend Ex-Date	-	Current Ratio	3.52	EPS Y/Y TTM	62.96%	Oper. Margin	32.25%	RSI (14)	61.96	Volatility	2.93% 2.82%
Employees	1761	Debt/Eq	0.87	Sales Y/Y TTM	31.80%	Profit Margin	23.36%	Recom	1.83	Target Price	59.80
Option/Short	Yes / Yes	LT Debt/Eq	0.86	EPS Q/Q	48.19%	Payout	0.00%	Rel Volume	0.79	Prev Close	47.57
Sales Surprise	6.69%	EPS Surprise	21.70%	Sales Q/Q	25.17%	Earnings	Aug 07 AMC	Avg Volume	360.87K	Price	49.29
SMA20	3.19%	SMA50	6.24%	SMA200	7.57%	Trades		Volume	284,225	Change	3.62%

Date	Action	Analyst	Rating Change	Price Target Change
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
Aug-09-16	Reiterated	Needham	Buy	$20 → $22
May-10-16	Reiterated	Needham	Buy	$21 → $20
Feb-19-16	Initiated	Wells Fargo	Outperform

Show Previous Ratings

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	Loading…
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)
06:00AM	Loading…
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	Loading…
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%
Feb-28-24 05:25PM	Amphastar Pharmaceuticals (AMPH) Surpasses Q4 Earnings and Revenue Estimates (Zacks)
05:12PM	Amphastar Pharmaceuticals Inc Reports Robust Revenue Growth and Strong Full-Year Performance (GuruFocus.com)
04:25PM	Amphastar: Q4 Earnings Snapshot (Associated Press Finance)
04:05PM	Amphastar Pharmaceuticals Reports Financial Results for the Three Months and Full-Year Ended December 31, 2023 (ACCESSWIRE)
Feb-23-24 02:09PM	The Cream Of The Crop: 5 Biotechs That Outrank Most Stocks (Investor's Business Daily)
Feb-22-24 05:45PM	Amphastar Pharmaceuticals (AMPH) Increases Yet Falls Behind Market: What Investors Need to Know (Zacks)
09:30AM	Wall Street Bulls Look Optimistic About Amphastar (AMPH): Should You Buy? (Zacks)
Feb-21-24 06:54AM	Amphastar (AMPH) to Report Q4 Earnings: What's in the Cards? (Zacks)
Feb-20-24 04:01PM	Amphastar Pharmaceuticals to Release Fourth Quarter Earnings and Hold Conference Call on February 28, 2024 (ACCESSWIRE)
Feb-16-24 08:00AM	It May Be Time To Revisit Amphastar Once It Settles After A Plunge (Investor's Business Daily)
Feb-15-24 05:45PM	Amphastar Pharmaceuticals (AMPH) Outpaces Stock Market Gains: What You Should Know (Zacks)
Feb-09-24 05:45PM	Amphastar Pharmaceuticals (AMPH) Laps the Stock Market: Here's Why (Zacks)
Feb-05-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Dips More Than Broader Market: What You Should Know (Zacks)
12:41PM	3 Once-in-a-Lifetime Biotech Stocks With Unprecedented Surge Potential (InvestorPlace)
Jan-30-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Falls More Steeply Than Broader Market: What Investors Need to Know (Zacks)
Jan-23-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Stock Sinks As Market Gains: What You Should Know (Zacks)
Jan-17-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Gains As Market Dips: What You Should Know (Zacks)
Jan-11-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Registers a Bigger Fall Than the Market: Important Facts to Note (Zacks)
Jan-05-24 05:50PM	Amphastar Pharmaceuticals (AMPH) Stock Drops Despite Market Gains: Important Facts to Note (Zacks) -5.24%
Jan-02-24 06:00AM	Amphastar Pharmaceuticals to Present at the 42nd Annual J.P. Morgan Healthcare Conference (ACCESSWIRE)
Jan-01-24 12:00PM	Amphastar Pharmaceuticals (AMPH) Is Up 1.53% in One Week: What You Should Know (Zacks)
Dec-27-23 09:30AM	Wall Street Analysts Think Amphastar (AMPH) Is a Good Investment: Is It? (Zacks)
Dec-25-23 08:23PM	3 Stocks at the Forefront of Medical Innovation (InvestorPlace)
12:45PM	3 Reasons Why Amphastar (AMPH) Is a Great Growth Stock (Zacks)
Dec-21-23 08:00AM	Will Eli Lilly's Emergency Diabetes Drug Give Amphastar Wings? (Investor's Business Daily)
Dec-08-23 12:45PM	3 Reasons Why Growth Investors Shouldn't Overlook Amphastar (AMPH) (Zacks)
Dec-05-23 12:00PM	Are You Looking for a Top Momentum Pick? Why Amphastar Pharmaceuticals (AMPH) is a Great Choice (Zacks)
Dec-04-23 03:02PM	Amphastar, Stock Of The Day, Breaks Out As It Sees Upside From Eli Lilly Deal (Investor's Business Daily)
Nov-30-23 06:13PM	This Biotech Stock Nears A Buy Point After 200% Profit Growth (Investor's Business Daily)
Nov-29-23 09:30AM	Amphastar (AMPH) Is Considered a Good Investment by Brokers: Is That True? (Zacks)
Nov-22-23 12:45PM	3 Reasons Why Growth Investors Shouldn't Overlook Amphastar (AMPH) (Zacks)
Nov-21-23 01:03AM	Insider Sell Alert: Director Richard Prins Sells 4,000 Shares of Amphastar Pharmaceuticals Inc ... (GuruFocus.com)
Nov-20-23 04:20PM	Amphastar Pharmaceuticals to Present at the Piper Sandler 35th Annual Healthcare Conference (ACCESSWIRE)
Nov-17-23 11:04AM	Insider Sell: CFO William Peters Sells Shares of Amphastar Pharmaceuticals Inc (GuruFocus.com)
Nov-16-23 05:10AM	Insider Sell: Director Richard Prins Sells 5,000 Shares of Amphastar Pharmaceuticals Inc (AMPH) (GuruFocus.com)
Nov-13-23 09:30AM	Wall Street Analysts See Amphastar (AMPH) as a Buy: Should You Invest? (Zacks)
Nov-10-23 03:43PM	Amphastar Pharmaceuticals Stock Earns Composite Rating Upgrade (Investor's Business Daily)
01:15PM	Plenty Of IBD 50 Companies' Earnings Impress, And Some Remain Actionable (Investor's Business Daily)
Nov-09-23 04:05PM	Amphastar Pharmaceuticals to Present at the Jefferies London Healthcare Conference (ACCESSWIRE) +15.39%
01:27PM	Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Q3 2023 Earnings Call Transcript (Insider Monkey)
08:38AM	Q3 2023 Amphastar Pharmaceuticals Inc Earnings Call (Thomson Reuters StreetEvents)
05:42AM	Amphastar: Q3 Earnings Snapshot (Associated Press Finance)
Nov-08-23 04:05PM	Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended September 30, 2023 (ACCESSWIRE)
Nov-01-23 04:10PM	Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 8, 2023 (ACCESSWIRE)
Oct-31-23 05:45PM	Amphastar Pharmaceuticals (AMPH) Rises Yet Lags Behind Market: Some Facts Worth Knowing (Zacks)
06:43AM	Zacks Industry Outlook Highlights Dr. Reddy's Laboratories, Amphastar Pharmaceuticals and Sol-Gel Technologies (Zacks)
Oct-30-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Laps the Stock Market: Here's Why (Zacks)
Oct-23-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Rises As Market Takes a Dip: Key Facts (Zacks)
Oct-16-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Laps the Stock Market: Here's Why (Zacks)
Oct-10-23 09:40AM	Are Medical Stocks Lagging Amphastar Pharmaceuticals (AMPH) This Year? (Zacks)
Oct-09-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Rises Higher Than Market: Key Facts (Zacks)
Oct-02-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Stock Sinks As Market Gains: What You Should Know (Zacks)
Sep-25-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Outpaces Stock Market Gains: What You Should Know (Zacks)
Sep-19-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Dips More Than Broader Markets: What You Should Know (Zacks)
Sep-14-23 09:30AM	Should You Invest in Amphastar (AMPH) Based on Bullish Wall Street Views? (Zacks)
Sep-13-23 05:50PM	Amphastar Pharmaceuticals (AMPH) Stock Sinks As Market Gains: What You Should Know (Zacks)
12:37AM	Amphastar Pharmaceuticals Announces Pricing of Offering of $300.0 Million of Convertible Senior Notes (ACCESSWIRE)
Sep-11-23 04:05PM	Amphastar Pharmaceuticals Announces Proposed Private Offering of $300.0 Million of Convertible Senior Notes (ACCESSWIRE) -9.21%

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
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
Zhang Jack Y.	CEO & CHIEF SCIENTIFIC OFFICER	Jun 10 '24	Option Exercise	14.69	100,000	1,469,000	2,533,554	Jun 11 06:35 PM
Petersen Floyd F.	Director	Jun 10 '24	Sale	41.40	3,000	124,200	78,409	Jun 11 06:32 PM
Petersen Floyd F.	Director	Jun 03 '24	Sale	42.65	500	21,326	78,333	Jun 05 06:54 PM
Petersen Floyd F.	Director	May 01 '24	Sale	41.67	500	20,837	78,833	May 02 04:56 PM
Petersen Floyd F.	Director	Apr 01 '24	Sale	43.43	500	21,714	79,333	Apr 02 09:31 PM
Zhang Jack Y.	CEO & Chief Scientific Officer	Mar 15 '24	Option Exercise	12.46	722,046	8,996,693	2,858,043	Mar 19 06:55 PM
Zhang Jack Y.	CEO & Chief Scientific Officer	Mar 15 '24	Option Exercise	12.46	310,930	3,874,188	1,439,466	Mar 19 06:55 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Mar 06 '24	Option Exercise	11.33	8,826	99,999	129,626	Mar 08 04:52 PM
PETERS WILLIAM J	CFO, EVP & TREASURER	Mar 06 '24	Sale	46.48	18,136	842,883	111,490	Mar 08 04:52 PM
ZASLOFF MICHAEL A	Director	Mar 05 '24	Sale	47.18	12,500	589,724	21,326	Mar 06 05:57 PM
Petersen Floyd F.	Director	Mar 01 '24	Sale	45.69	500	22,847	79,833	Mar 04 08:35 PM
Petersen Floyd F.	Director	Feb 01 '24	Sale	53.10	500	26,548	80,333	Feb 02 07:37 PM
Luo Mary Z.	COO,Chief Scientist & Chairman	Jan 10 '24	Sale	54.59	131,386	7,171,768	1,104,416	Jan 11 04:37 PM
Luo Mary Z.	COO,Chief Scientist & Chairman	Jan 08 '24	Sale	58.93	133,644	7,875,476	1,321,958	Jan 10 06:27 PM
Luo Mary Z.	COO,Chief Scientist & Chairman	Jan 09 '24	Sale	57.14	86,156	4,923,232	1,235,802	Jan 10 06:27 PM
Petersen Floyd F.	Director	Jan 02 '24	Sale	61.37	500	30,683	80,833	Jan 03 07:25 PM
Zhou Rong	Senior EVP, Production Center	Dec 01 '23	Option Exercise	14.40	4,316	62,150	116,736	Dec 05 06:25 PM
Zhou Rong	Senior EVP, Production Center	Dec 04 '23	Option Exercise	16.19	3,514	56,892	115,934	Dec 05 06:25 PM
Zhou Rong	Senior EVP, Production Center	Dec 01 '23	Sale	58.58	4,316	252,831	112,420	Dec 05 06:25 PM
Zhou Rong	Senior EVP, Production Center	Dec 04 '23	Sale	59.58	3,514	209,364	112,420	Dec 05 06:25 PM
Petersen Floyd F.	Director	Dec 01 '23	Sale	57.90	500	28,952	81,333	Dec 04 08:49 PM
PRINS RICHARD K	Director	Nov 17 '23	Sale	55.86	4,000	223,446	31,895	Nov 20 05:23 PM
PETERS WILLIAM J	CFO, EVP & Treasurer	Nov 14 '23	Option Exercise	15.61	59,250	925,028	160,610	Nov 16 04:05 PM
PETERS WILLIAM J	CFO, EVP & Treasurer	Nov 14 '23	Sale	55.67	59,250	3,298,475	101,360	Nov 16 04:05 PM
PRINS RICHARD K	Director	Nov 13 '23	Sale	52.50	5,000	262,500	35,895	Nov 15 04:31 PM
Deflin Gayle	Director	Nov 14 '23	Sale	55.45	4,163	230,838	2,716	Nov 15 04:30 PM
Petersen Floyd F.	Director	Nov 01 '23	Sale	45.30	500	22,651	81,833	Nov 02 08:37 PM

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Amphastar Pharmaceuticals Inc

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