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AMPH Insider Trading (Amphastar Pharmaceuticals)

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 27.80%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $9,339,485.50

Amphastar Pharmaceuticals Insider Trading History Chart

Amphastar Pharmaceuticals Share Price & Price History

^$35.35

▲ +0.56 (1.61%)

As of 07/1/2022 01:00 AM ET

Days: 30 | 90 | 365

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Amphastar Pharmaceuticals Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
6/30/2022	William J. Peters	CFO	Sell	18,386	$34.95	$642,590.70	100,480
6/17/2022	William J. Peters	CFO	Sell	5,512	$32.05	$176,659.60	100,480
6/6/2022	Howard Lee	Director	Sell	10,291	$37.79	$388,896.89	138,776
6/1/2022	Floyd F. Petersen	Director	Sell	500	$37.00	$18,500.00	85,945
5/23/2022	Howard Lee	Director	Sell	10,000	$34.93	$349,300.00	138,776
5/18/2022	Floyd F. Petersen	Director	Sell	9,924	$35.05	$347,836.20	86,445
5/18/2022	Jack Y Zhang	CEO	Sell	67,046	$34.14	$2,288,950.44	2,156,523
5/16/2022	Michael A. Zasloff	Director	Sell	10,291	$35.61	$366,462.51	47,206
5/2/2022	Floyd F. Petersen	Director	Sell	295	$35.18	$10,378.10	76,078
4/1/2022	Floyd F. Petersen	Director	Sell	500	$36.69	$18,345.00	76,373
3/16/2022	Michael A. Zasloff	Director	Sell	10,000	$33.71	$337,100.00
3/15/2022	William J. Peters	CFO	Sell	7,900	$34.46	$272,234.00
3/1/2022	Floyd F. Petersen	Director	Sell	500	$27.27	$13,635.00
2/8/2022	Rong Zhou	EVP	Sell	7,000	$26.77	$187,390.00
2/8/2022	William J. Peters	CFO	Sell	10,000	$26.95	$269,500.00
2/1/2022	Floyd F. Petersen	Director	Sell	500	$24.08	$12,040.00
1/10/2022	Rong Zhou	EVP	Sell	20,928	$25.36	$530,734.08
1/10/2022	William J. Peters	CFO	Sell	16,000	$25.40	$406,400.00
1/7/2022	William J. Peters	CFO	Sell	31,776	$24.43	$776,287.68
1/3/2022	Floyd F. Petersen	Director	Sell	500	$23.22	$11,610.00
12/22/2021	Floyd F. Petersen	Director	Sell	1,000	$22.50	$22,500.00
12/21/2021	William J. Peters	CFO	Sell	8,256	$22.40	$184,934.40
12/16/2021	William J. Peters	CFO	Sell	1,744	$22.40	$39,065.60
12/10/2021	Richard K. Prins	Director	Sell	5,291	$21.36	$113,015.76
11/22/2021	Richard K. Prins	Director	Sell	5,000	$21.22	$106,100.00
11/11/2021	Rong Zhou	EVP	Sell	7,813	$21.67	$169,307.71
11/11/2021	William J. Peters	CFO	Sell	10,000	$21.33	$213,300.00
7/26/2021	Rong Zhou	EVP	Sell	6,000	$20.87	$125,220.00	92,244
7/20/2021	Rong Zhou	EVP	Sell	5,187	$20.57	$106,696.59
7/15/2021	Yakob Liawatidewi	EVP	Sell	31,524	$20.01	$630,795.24	77,927
7/7/2021	William J. Peters	CFO	Sell	10,000	$20.37	$203,700.00
6/8/2021	Rong Zhou	EVP	Sell	8,180	$19.34	$158,201.20
6/7/2021	Richard K. Prins	Director	Sell	5,000	$18.70	$93,500.00	140,741
6/3/2021	Floyd F. Petersen	Director	Sell	10,000	$18.65	$186,500.00	83,354
6/1/2021	Richard Koo	Director	Sell	25,827	$19.28	$497,944.56	279,097
5/20/2021	Howard Lee	Director	Sell	10,000	$19.74	$197,400.00	142,914
5/13/2021	Michael A. Zasloff	Director	Sell	25,827	$19.34	$499,494.18	67,014
5/13/2021	Rong Zhou	EVP	Sell	700	$19.58	$13,706.00	96,965
5/11/2021	Richard K. Prins	Director	Sell	15,827	$18.90	$299,130.30	54,987
5/11/2021	Yakob Liawatidewi	EVP	Sell	10,000	$19.06	$190,600.00	71,351
3/15/2021	William J. Peters	CFO	Sell	4,244	$19.03	$80,763.32	85,304
2/18/2021	Jack Y Zhang	CEO	Sell	30,467	$18.59	$566,381.53
2/11/2021	Jack Y Zhang	CEO	Sell	19,823	$19.06	$377,826.38	2,246,988
2/9/2021	Jack Y Zhang	CEO	Sell	40,886	$18.92	$773,563.12	2,246,988
2/4/2021	Jack Y Zhang	CEO	Sell	25,570	$18.89	$483,017.30	2,246,988
2/2/2021	Jack Y Zhang	CEO	Sell	37,931	$18.43	$699,068.33	2,246,988
2/1/2021	Floyd F. Petersen	Director	Sell	639	$18.26	$11,668.14	73,354
1/19/2021	William J. Peters	CFO	Sell	6,495	$18.67	$121,261.65
12/1/2020	Floyd F. Petersen	Director	Sell	500	$17.87	$8,935.00	73,993
11/2/2020	Floyd F. Petersen	Director	Sell	500	$19.84	$9,920.00	74,493
9/1/2020	Floyd F. Petersen	Director	Sell	500	$19.90	$9,950.00	75,493
8/14/2020	David Maris	Director	Buy	1,000	$20.26	$20,260.00	13,151
8/14/2020	William J. Peters	CFO	Sell	5,512	$20.36	$112,224.32	95,652
8/11/2020	Richard K. Prins	Director	Sell	6,000	$20.33	$121,980.00	39,160
8/3/2020	Floyd F. Petersen	Director	Sell	500	$20.62	$10,310.00	75,993
7/21/2020	Yakob Liawatidewi	EVP	Sell	5,978	$21.22	$126,853.16	50,182
7/6/2020	William J. Peters	CFO	Sell	13,656	$22.00	$300,432.00
7/1/2020	Floyd F. Petersen	Director	Sell	500	$22.27	$11,135.00	76,493
6/9/2020	Yakob Liawatidewi	EVP	Sell	23,405	$20.12	$470,908.60	69,529
6/3/2020	Rong Zhou	EVP	Sell	13,163	$18.82	$247,727.66
6/1/2020	Floyd F. Petersen	Director	Sell	500	$18.97	$9,485.00	71,142
5/27/2020	Richard Koo	Director	Sell	47,782	$18.18	$868,676.76	295,201
5/20/2020	Howard Lee	Director	Sell	17,782	$18.43	$327,722.26	145,863
5/14/2020	Michael A. Zasloff	Director	Sell	14,832	$18.00	$266,976.00	50,168
5/12/2020	Michael A. Zasloff	Director	Sell	10,000	$19.00	$190,000.00	45,336
5/1/2020	Floyd F. Petersen	Director	Sell	500	$16.66	$8,330.00	71,642
4/1/2020	Floyd F. Petersen	Director	Sell	500	$14.36	$7,180.00	72,142
3/13/2020	William J. Peters	CFO	Sell	4,701	$13.94	$65,531.94	76,011
2/6/2020	Jason B Shandell	General Counsel	Sell	21,933	$19.83	$434,931.39	154,513
1/21/2020	William J. Peters	CFO	Sell	3,990	$20.07	$80,079.30
1/8/2020	Jason B Shandell	General Counsel	Sell	25,000	$18.44	$461,000.00	163,898
1/2/2020	Floyd F. Petersen	Director	Sell	1,000	$19.14	$19,140.00	73,642
12/18/2019	Jason B Shandell	General Counsel	Sell	8,205	$19.13	$156,961.65	138,898
12/2/2019	Floyd F. Petersen	Director	Sell	500	$19.25	$9,625.00	74,642
11/1/2019	Floyd F. Petersen	Director	Sell	500	$19.48	$9,740.00	75,142
10/1/2019	Floyd F. Petersen	Director	Sell	500	$19.92	$9,960.00	75,642
9/18/2019	Jason B Shandell	General Counsel	Sell	7,340	$21.32	$156,488.80	147,103
9/16/2019	Floyd F. Petersen	Director	Sell	500	$21.75	$10,875.00	76,142
9/16/2019	William J. Peters	CFO	Sell	9,800	$21.76	$213,248.00	92,253
9/13/2019	Yakob Liawatidewi	SVP	Sell	3,000	$21.45	$64,350.00	33,670
9/11/2019	Jack Y Zhang	CEO	Sell	300,000	$20.82	$6,246,000.00	2,147,316
9/5/2019	Yakob Liawatidewi	SVP	Sell	1,515	$21.24	$32,178.60	36,670
8/26/2019	Richard K. Prins	Director	Sell	7,500	$22.59	$169,425.00	43,191
8/23/2019	Richard K. Prins	Director	Sell	3,882	$22.58	$87,655.56	43,191
8/15/2019	William J. Peters	CFO	Sell	4,942	$21.00	$103,782.00
8/13/2019	Richard K. Prins	Director	Sell	10,000	$20.78	$207,800.00	49,309
8/13/2019	Yakob Liawatidewi	SVP	Sell	5,000	$20.73	$103,650.00	47,188
7/10/2019	Jason B. Shandell	Insider	Sell	6,615	$20.31	$134,350.65

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SEC Filings (Institutional Ownership Changes) for Amphastar Pharmaceuticals (NASDAQ:AMPH)

59.79% of Amphastar Pharmaceuticals stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Amphastar Pharmaceuticals Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
6/30/2022	Amalgamated Bank	16,909	$0.61M	0.0%	-5.7%	0.035%
6/7/2022	Bank of America Corp DE	61,229	$2.20M	0.0%	+8.7%	0.125%
5/18/2022	BNP Paribas Arbitrage SA	139,026	$4.99M	0.0%	-9.8%	0.285%
5/17/2022	Jane Street Group LLC	9,276	$0.33M	0.0%	-52.1%	0.019%
5/17/2022	Lido Advisors LLC	13,731	$0.49M	0.0%	N/A	0.028%
5/17/2022	Point72 Hong Kong Ltd	2,070	$74K	0.0%	N/A	0.004%
5/17/2022	Royal Bank of Canada	26,585	$0.95M	0.0%	+257.2%	0.054%
5/17/2022	Dynamic Technology Lab Private Ltd	6,990	$0.25M	0.0%	N/A	0.014%
5/17/2022	Eqis Capital Management Inc.	8,556	$0.31M	0.0%	N/A	0.018%
5/17/2022	Guggenheim Capital LLC	31,155	$1.12M	0.0%	-8.9%	0.064%
5/16/2022	California State Teachers Retirement System	48,368	$1.74M	0.0%	-7.7%	0.099%
5/16/2022	Goldman Sachs Group Inc.	116,488	$4.18M	0.0%	-80.2%	0.239%
5/16/2022	PDT Partners LLC	34,389	$1.24M	0.1%	+2.8%	0.070%
5/16/2022	Captrust Financial Advisors	2,770	$99K	0.0%	+114.4%	0.006%
5/16/2022	State Street Corp	1,321,951	$47.46M	0.0%	-8.1%	2.708%
5/16/2022	Graham Capital Management L.P.	30,668	$1.10M	0.0%	N/A	0.063%
5/16/2022	Invesco Ltd.	733,842	$26.34M	0.0%	+5.3%	1.503%
5/16/2022	Clark Capital Management Group Inc.	95,629	$3.43M	0.0%	+19.4%	0.196%
5/16/2022	UBS Group AG	27,889	$1M	0.0%	+107.8%	0.057%
5/16/2022	Hsbc Holdings PLC	8,416	$0.31M	0.0%	N/A	0.017%
5/13/2022	Renaissance Technologies LLC	308,700	$11.08M	0.0%	+6.5%	0.632%
5/13/2022	Northern Trust Corp	404,142	$14.51M	0.0%	-4.2%	0.828%
5/13/2022	Charles Schwab Investment Management Inc.	268,398	$9.64M	0.0%	+2.9%	0.550%
5/13/2022	Renaissance Group LLC	48,833	$1.75M	0.1%	-23.2%	0.100%
5/13/2022	Arrowstreet Capital Limited Partnership	391,585	$14.06M	0.0%	-5.9%	0.802%
5/13/2022	Quantedge Capital Pte Ltd	31,100	$1.12M	0.3%	N/A	0.064%
5/13/2022	Penserra Capital Management LLC	178,801	$6.42M	0.2%	N/A	0.366%
5/13/2022	Prudential Financial Inc.	80,885	$2.90M	0.0%	-22.9%	0.166%
5/13/2022	Federated Hermes Inc.	3,487,430	$125.20M	0.3%	+0.7%	7.145%
5/13/2022	American International Group Inc.	21,189	$0.76M	0.0%	-5.8%	0.043%
5/13/2022	Fuller & Thaler Asset Management Inc.	614,855	$22.07M	0.1%	+0.6%	1.260%
5/13/2022	Vanguard Group Inc.	2,483,205	$89.15M	0.0%	+0.6%	5.087%
5/13/2022	EAM Investors LLC	124,697	$4.48M	0.8%	N/A	0.255%
5/13/2022	Sei Investments Co.	40,107	$1.45M	0.0%	N/A	0.082%
5/13/2022	Dimensional Fund Advisors LP	1,796,269	$64.49M	0.0%	+1.4%	3.680%
5/12/2022	Friess Associates LLC	154,415	$5.54M	3.0%	N/A	0.316%
5/12/2022	LSV Asset Management	139,753	$5.02M	0.0%	+64.7%	0.286%
5/12/2022	Yousif Capital Management LLC	31,169	$1.12M	0.0%	-12.5%	0.064%
5/12/2022	APG Asset Management N.V.	30,000	$0.97M	0.0%	N/A	0.061%
5/12/2022	BlackRock Inc.	7,103,524	$255.02M	0.0%	-0.8%	14.553%
5/12/2022	Commonwealth of Pennsylvania Public School Empls Retrmt SYS	31,763	$1.14M	0.0%	+14.1%	0.065%
5/12/2022	Rhumbline Advisers	79,995	$2.87M	0.0%	+2.6%	0.164%
5/12/2022	Panagora Asset Management Inc.	12,027	$0.43M	0.0%	-59.9%	0.025%
5/12/2022	Metropolitan Life Insurance Co NY	2,267	$81K	0.0%	-77.6%	0.005%
5/12/2022	MetLife Investment Management LLC	20,467	$0.74M	0.0%	+73.4%	0.042%
5/12/2022	Martingale Asset Management L P	83,136	$2.99M	0.0%	-18.5%	0.170%
5/12/2022	Acadian Asset Management LLC	110,148	$3.95M	0.0%	+378.2%	0.226%
5/12/2022	D.A. Davidson & CO.	51,134	$1.84M	0.0%	N/A	0.105%
5/12/2022	Bank of Montreal Can	13,029	$0.48M	0.0%	+2.9%	0.027%
5/12/2022	Eagle Asset Management Inc.	177,339	$6.37M	0.0%	-29.5%	0.363%
5/12/2022	Citigroup Inc.	38,664	$1.39M	0.0%	+27.0%	0.079%
5/11/2022	American Century Companies Inc.	78,230	$2.81M	0.0%	-16.3%	0.160%
5/11/2022	Bank of New York Mellon Corp	401,405	$14.41M	0.0%	+8.2%	0.822%
5/11/2022	State of Tennessee Treasury Department	13,895	$0.50M	0.0%	+17.9%	0.028%
5/11/2022	Raymond James & Associates	16,692	$0.60M	0.0%	N/A	0.034%
5/11/2022	Jupiter Asset Management Ltd.	13,898	$0.50M	0.0%	N/A	0.028%
5/11/2022	JPMorgan Chase & Co.	88,468	$3.18M	0.0%	-19.9%	0.181%
5/11/2022	WINTON GROUP Ltd	16,721	$0.60M	0.0%	-53.9%	0.034%
5/10/2022	Profund Advisors LLC	5,963	$0.21M	0.0%	N/A	0.012%
5/10/2022	ProShare Advisors LLC	13,176	$0.47M	0.0%	-17.5%	0.027%
5/10/2022	Aaron Wealth Advisors LLC	10,805	$0.30M	0.0%	N/A	0.022%
5/10/2022	Hightower 6M Holding LLC	16,113	$0.58M	0.0%	N/A	0.033%
5/10/2022	Cornercap Investment Counsel Inc.	46,995	$1.69M	0.2%	-20.3%	0.096%
5/9/2022	Principal Financial Group Inc.	266,904	$9.58M	0.0%	-5.0%	0.547%
5/9/2022	Swiss National Bank	90,500	$3.25M	0.0%	+8.0%	0.185%
5/9/2022	MESIROW FINANCIAL INVESTMENT MANAGEMENT Equity & Fixed Income	251,659	$9.04M	1.0%	N/A	0.516%
5/9/2022	Teacher Retirement System of Texas	7,917	$0.28M	0.0%	N/A	0.016%
5/9/2022	AdvisorShares Investments LLC	8,200	$0.29M	0.0%	N/A	0.017%
5/9/2022	Qube Research & Technologies Ltd	48,824	$1.75M	0.0%	N/A	0.100%
5/6/2022	Los Angeles Capital Management LLC	5,635	$0.20M	0.0%	N/A	0.012%
5/6/2022	Texas Permanent School Fund	26,120	$0.94M	0.0%	-1.7%	0.054%
5/6/2022	IndexIQ Advisors LLC	11,499	$0.41M	0.0%	N/A	0.024%
5/5/2022	Royce & Associates LP	20,900	$0.75M	0.0%	+4.5%	0.043%
5/5/2022	New York State Common Retirement Fund	26,400	$0.95M	0.0%	-1.1%	0.054%
5/5/2022	Russell Investments Group Ltd.	154,339	$5.54M	0.0%	+20.4%	0.316%
5/4/2022	Advisor Group Holdings Inc.	29,894	$1.10M	0.0%	+1,193.6%	0.061%
5/4/2022	Ziegler Capital Management LLC	33,179	$1.19M	0.1%	-7.5%	0.068%
5/4/2022	Victory Capital Management Inc.	62,699	$2.22M	0.0%	-12.4%	0.128%
5/4/2022	Envestnet Asset Management Inc.	6,621	$0.24M	0.0%	N/A	0.014%
5/4/2022	Shell Asset Management Co.	32,403	$1.16M	0.0%	-12.9%	0.066%
5/3/2022	FinTrust Capital Advisors LLC	4,000	$0.14M	0.0%	N/A	0.008%
5/3/2022	Calamos Advisors LLC	94,643	$3.40M	0.0%	N/A	0.194%
5/3/2022	Jackson Creek Investment Advisors LLC	49,814	$1.79M	0.7%	N/A	0.102%
4/29/2022	SG Americas Securities LLC	11,401	$0.41M	0.0%	-68.3%	0.023%
4/29/2022	Navellier & Associates Inc.	22,738	$0.82M	0.1%	N/A	0.047%
4/29/2022	Nisa Investment Advisors LLC	2,090	$75K	0.0%	-92.1%	0.004%
4/29/2022	Summit Global Investments	44,700	$1.61M	0.1%	-2.6%	0.092%
4/28/2022	Hillsdale Investment Management Inc.	234,338	$8.41M	0.5%	N/A	0.480%
4/28/2022	DekaBank Deutsche Girozentrale	16,800	$0.61M	0.0%	+9.8%	0.034%
4/27/2022	Comerica Bank	30,182	$1.18M	0.0%	-12.6%	0.062%
4/27/2022	Shaker Investments LLC OH	33,794	$1.21M	0.6%	N/A	0.069%
4/27/2022	New York State Teachers Retirement System	21,459	$0.77M	0.0%	+5.1%	0.044%
4/26/2022	Exchange Traded Concepts LLC	52,681	$1.89M	0.0%	+110.9%	0.108%
4/26/2022	Robeco Institutional Asset Management B.V.	33,561	$1.21M	0.0%	N/A	0.069%
4/25/2022	Assenagon Asset Management S.A.	427,605	$15.35M	0.0%	-19.0%	0.876%
4/21/2022	Strs Ohio	5,300	$0.19M	0.0%	+12.8%	0.011%
4/21/2022	Oregon Public Employees Retirement Fund	13,760	$0.49M	0.0%	-2.8%	0.029%
4/21/2022	Zurcher Kantonalbank Zurich Cantonalbank	5,401	$0.19M	0.0%	-19.5%	0.011%
4/14/2022	Frontier Capital Management Co. LLC	251,272	$9.02M	0.1%	-0.4%	0.525%
4/14/2022	State of Alaska Department of Revenue	25,628	$0.92M	0.0%	-1.6%	0.054%

Data available starting January 2016

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 and treat deep vein thrombosis; Naloxone for opioid overdose; Glucagon for injection emergency kit; and Cortrosyn, a lyophilized powder for use as a diagnostic agent in the screening of patients with adrenocortical insufficiency. The company also provides Amphadase, a bovine-sourced hyaluronidase injection to absorb and disperse other injected drugs; Epinephrine injection for the emergency treatment of allergic reactions; lidocaine jelly, an anesthetic product for urological procedures; lidocaine topical solution for various procedures; phytonadione injection, a vitamin K1 injection for newborn babies; emergency syringe products for emergency use in hospital settings; morphine injection for use with patient controlled analgesia pumps; and lorazepam injection for surgery and medical procedures. In addition, it offers neostigmine methylsulfate injection to treat myasthenia gravis and to reverse the effects of muscle relaxants; and Isoproterenol hydrochloride injection for mild or transient episodes of heart block. Further, the company distributes recombinant human insulin active pharmaceutical ingredients (API) and porcine insulin API. It serves hospitals, care facilities, alternate care sites, clinics, and doctors' offices. The company was founded in 1996 and is headquartered in Rancho Cucamonga, California.

Today's Range

Now: $35.35

$34.42

$35.41

50 Day Range

MA: $34.55

$29.79

$41.41

52 Week Range

Now: $35.35

$17.56

$44.46

Volume

408,505 shs

Average Volume

507,520 shs

Market Capitalization

$1.73 billion

P/E Ratio

21.96

Dividend Yield

N/A

Beta

0.65

Who are the company insiders with the largest holdings of Amphastar Pharmaceuticals?: Amphastar Pharmaceuticals' top insider shareholders include:
Jack Y Zhang (CEO)
Richard Koo (Director)
Howard Lee (Director)
Richard K Prins (Director)
William J Peters (CFO)
Rong Zhou (EVP)
Floyd F Petersen (Director)
Yakob Liawatidewi (EVP)
Michael A Zasloff (Director)
David Maris (Director)
William J Peters (CFO)
Learn More about top insider investors at Amphastar Pharmaceuticals.

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