I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again.

AMPH Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 27.10%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $19,307,202.11

Amphastar Pharmaceuticals Insider Trading History Chart

Amphastar Pharmaceuticals Share Price & Price History

^$44.09

▲ +0.47 (1.08%)

As of 11/20/2024 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
11/12/2024	Richard K. Prins	Director	Sell	5,000	$48.80	$244,000.00	31,471
11/12/2024	Rong Zhou	EVP	Sell	6,893	$48.88	$336,929.84	118,388
11/6/2024	William J. Peters	CFO	Sell	7,426	$52.05	$386,523.30	94,103
11/6/2024	Yakob Liawatidewi	EVP	Sell	5,214	$52.05	$271,388.70	74,938
9/5/2024	Floyd F. Petersen	Director	Sell	3,000	$46.47	$139,410.00	75,409
8/26/2024	Rong Zhou	EVP	Sell	4,000	$48.35	$193,400.00	118,388
8/12/2024	Richard K. Prins	Director	Sell	17,101	$43.07	$736,540.07	33,971
7/31/2024	William J. Peters	CFO	Sell	10,282	$44.23	$454,772.86	94,103
6/27/2024	William J. Peters	CFO	Sell	3,596	$40.93	$147,184.28	94,103
6/10/2024	Floyd F. Petersen	Director	Sell	3,000	$41.40	$124,200.00	78,409
6/3/2024	Floyd F. Petersen	Director	Sell	500	$42.65	$21,325.00	78,333
5/1/2024	Floyd F. Petersen	Director	Sell	500	$41.67	$20,835.00	78,833
4/1/2024	Floyd F. Petersen	Director	Sell	500	$43.43	$21,715.00	79,333
3/5/2024	Michael A. Zasloff	Director	Sell	12,500	$47.18	$589,750.00	21,326
3/1/2024	Floyd F. Petersen	Director	Sell	500	$45.69	$22,845.00	79,833
2/1/2024	Floyd F. Petersen	Director	Sell	500	$53.10	$26,550.00	80,333
1/10/2024	Mary Z. Luo	COO	Sell	131,386	$54.59	$7,172,361.74	1,104,416
1/8/2024	Mary Z. Luo	COO	Sell	133,644	$58.93	$7,875,640.92	1,321,958
1/2/2024	Floyd F. Petersen	Director	Sell	500	$61.37	$30,685.00	80,833
12/4/2023	Rong Zhou	EVP	Sell	3,514	$59.58	$209,364.12	112,420
12/1/2023	Floyd F. Petersen	Director	Sell	500	$57.90	$28,950.00	81,333
12/1/2023	Rong Zhou	EVP	Sell	4,316	$58.58	$252,831.28	112,420
11/17/2023	Richard K. Prins	Director	Sell	4,000	$55.86	$223,440.00	31,895
11/13/2023	Richard K. Prins	Director	Sell	5,000	$52.50	$262,500.00	35,895
11/1/2023	Floyd F. Petersen	Director	Sell	500	$45.30	$22,650.00	81,833
10/2/2023	Floyd F. Petersen	Director	Sell	500	$45.78	$22,890.00	82,333
9/6/2023	William J. Peters	CFO	Sell	60,743	$51.75	$3,143,450.25	101,360
8/28/2023	Yakob Liawatidewi	EVP	Sell	28,816	$53.13	$1,530,994.08	69,669
8/18/2023	Richard K. Prins	Director	Sell	2,000	$52.50	$105,000.00	40,895
8/15/2023	Michael A. Zasloff	Director	Sell	12,759	$57.22	$730,069.98	33,826
6/15/2023	Rong Zhou	EVP	Sell	5,000	$51.79	$258,950.00	96,888
6/15/2023	William J. Peters	CFO	Sell	36,868	$50.85	$1,874,737.80	105,603
6/13/2023	Rong Zhou	EVP	Sell	5,000	$48.24	$241,200.00	88,313
6/2/2023	William J. Peters	CFO	Sell	11,000	$46.35	$509,850.00	105,603
6/1/2023	Howard Lee	Director	Sell	16,679	$45.02	$750,888.58	142,939
5/18/2023	Rong Zhou	EVP	Sell	10,000	$44.20	$442,000.00	87,598
5/18/2023	William J. Peters	CFO	Sell	10,500	$44.35	$465,675.00	105,148
5/17/2023	Floyd F. Petersen	Director	Sell	5,000	$43.13	$215,650.00	80,117
5/15/2023	Michael A. Zasloff	Director	Sell	7,500	$42.18	$316,350.00	43,869
5/12/2023	Richard K. Prins	Director	Sell	5,000	$42.06	$210,300.00	47,342
4/17/2023	William J. Peters	CFO	Sell	5,632	$42.35	$238,515.20	105,148
4/13/2023	William J. Peters	CFO	Sell	4,868	$42.35	$206,159.80	105,148
4/13/2023	Yakob Liawatidewi	EVP	Sell	11,494	$41.56	$477,690.64	69,215
4/10/2023	William J. Peters	CFO	Sell	10,032	$40.35	$404,791.20	105,148
4/10/2023	Yakob Liawatidewi	EVP	Sell	5,000	$40.00	$200,000.00	69,215
4/3/2023	Floyd F. Petersen	Director	Sell	491	$37.72	$18,520.52	85,117
3/15/2023	William J. Peters	CFO	Sell	12,776	$36.43	$465,429.68	118,451
3/1/2023	Floyd F. Petersen	Director	Sell	500	$36.70	$18,350.00	85,608
2/1/2023	Floyd F. Petersen	Director	Sell	500	$30.35	$15,175.00	86,108
12/1/2022	Floyd F. Petersen	Director	Sell	500	$30.13	$15,065.00	87,108
10/3/2022	Floyd F. Petersen	Director	Sell	500	$28.59	$14,295.00	88,108
8/9/2022	William J. Peters	CFO	Sell	10,000	$38.35	$383,500.00	100,480
8/9/2022	Yakob Liawatidewi	EVP	Sell	3,055	$39.00	$119,145.00	61,607
8/1/2022	Floyd F. Petersen	Director	Sell	500	$37.48	$18,740.00	89,108
7/18/2022	Diane G. Gerst	Director	Sell	1,520	$37.23	$56,589.60	12,842
7/15/2022	Yakob Liawatidewi	EVP	Sell	10,837	$36.64	$397,067.68	61,607
7/11/2022	Diane G. Gerst	Director	Sell	1,521	$36.26	$55,151.46	12,842
7/5/2022	Diane G. Gerst	Director	Sell	1,813	$35.00	$63,455.00	12,842
7/1/2022	Floyd F. Petersen	Director	Sell	500	$34.78	$17,390.00	89,608
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

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

65.09% 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
11/19/2024	Invst LLC	14,390	$0.70M	0.1%	+23.6%	0.030%
11/19/2024	Hohimer Wealth Management LLC	6,994	$0.34M	0.1%	N/A	0.015%
11/16/2024	Geode Capital Management LLC	920,363	$44.67M	0.0%	+1.5%	1.914%
11/15/2024	Barclays PLC	74,456	$3.61M	0.0%	+53.3%	0.155%
11/15/2024	Orion Portfolio Solutions LLC	4,919	$0.24M	0.0%	N/A	0.010%
11/15/2024	XTX Topco Ltd	13,891	$0.67M	0.0%	N/A	0.029%
11/15/2024	Wellington Management Group LLP	19,723	$0.96M	0.0%	N/A	0.041%
11/15/2024	Weiss Asset Management LP	102,358	$4.97M	0.1%	N/A	0.213%
11/15/2024	Taika Capital LP	36,775	$1.79M	1.3%	N/A	0.076%
11/15/2024	State Street Corp	1,530,464	$74.27M	0.0%	+0.1%	3.183%
11/15/2024	Point72 DIFC Ltd	3,954	$0.19M	0.0%	+85.9%	0.008%
11/15/2024	Point72 Asset Management L.P.	38,817	$1.88M	0.0%	-83.5%	0.081%
11/15/2024	Portolan Capital Management LLC	327,764	$15.91M	1.2%	+201.1%	0.682%
11/15/2024	Janus Henderson Group PLC	147,045	$7.14M	0.0%	-5.9%	0.306%
11/15/2024	Hotchkis & Wiley Capital Management LLC	222,620	$10.80M	0.0%	N/A	0.463%
11/15/2024	Centiva Capital LP	6,465	$0.31M	0.0%	-72.6%	0.013%
11/15/2024	Point72 Asia Singapore Pte. Ltd.	1,144	$56K	0.0%	+53.4%	0.002%
11/14/2024	PDT Partners LLC	81,184	$3.94M	0.3%	+736.8%	0.169%
11/14/2024	Verition Fund Management LLC	5,162	$0.25M	0.0%	-20.7%	0.011%
11/14/2024	Martingale Asset Management L P	40,265	$1.95M	0.0%	+2.5%	0.084%
11/14/2024	Public Sector Pension Investment Board	80,587	$3.91M	0.0%	-3.9%	0.168%
11/13/2024	Glenmede Trust Co. NA	37,884	$1.84M	0.0%	+145.3%	0.079%
11/13/2024	Cynosure Group LLC	7,426	$0.36M	0.1%	-19.9%	0.015%
11/13/2024	BNP Paribas Financial Markets	94,466	$4.58M	0.0%	+59.6%	0.196%
11/13/2024	The Manufacturers Life Insurance Company	21,867	$1.06M	0.0%	-1.7%	0.045%
11/13/2024	Hancock Whitney Corp	5,109	$0.25M	0.0%	-11.0%	0.011%
11/13/2024	Dynamic Technology Lab Private Ltd	4,682	$0.23M	0.0%	-70.6%	0.010%
11/12/2024	Algert Global LLC	66,285	$3.22M	0.1%	N/A	0.136%
11/12/2024	Charles Schwab Investment Management Inc.	350,056	$16.99M	0.0%	-2.6%	0.719%
11/9/2024	Intech Investment Management LLC	12,989	$0.63M	0.0%	+21.9%	0.027%
11/9/2024	Aurora Investment Counsel	54,698	$2.65M	1.4%	+0.4%	0.112%
11/8/2024	Connor Clark & Lunn Investment Management Ltd.	83,673	$4.06M	0.0%	-19.6%	0.172%
11/8/2024	Segall Bryant & Hamill LLC	18,968	$0.92M	0.0%	N/A	0.039%
11/7/2024	Quest Partners LLC	7,586	$0.37M	0.0%	+74.4%	0.016%
11/7/2024	Thrivent Financial for Lutherans	29,815	$1.45M	0.0%	-5.8%	0.061%
11/6/2024	Mutual of America Capital Management LLC	92,357	$4.48M	0.0%	-1.5%	0.190%
11/6/2024	Cornercap Investment Counsel Inc.	5,421	$0.26M	0.1%	N/A	0.011%
11/5/2024	Chase Investment Counsel Corp	29,000	$1.41M	0.5%	+45.0%	0.060%
11/5/2024	Victory Capital Management Inc.	218,531	$10.61M	0.0%	+10.9%	0.449%
11/5/2024	GSA Capital Partners LLP	6,249	$0.30M	0.0%	N/A	0.013%
11/4/2024	Los Angeles Capital Management LLC	16,169	$0.79M	0.0%	N/A	0.033%
11/1/2024	Assetmark Inc.	43,906	$2.13M	0.0%	+9.1%	0.090%
10/31/2024	Principal Financial Group Inc.	202,017	$9.80M	0.0%	-7.4%	0.413%
10/30/2024	Amalgamated Bank	11,276	$0.55M	0.0%	-1.8%	0.023%
10/30/2024	AlphaCentric Advisors LLC	30,000	$1.46M	1.1%	+20.0%	0.061%
10/30/2024	Asset Management One Co. Ltd.	1,609	$78K	0.0%	N/A	0.003%
10/28/2024	US Bancorp DE	7,368	$0.36M	0.0%	-48.7%	0.015%
10/25/2024	New York State Teachers Retirement System	23,866	$1.16M	0.0%	-14.7%	0.049%
10/25/2024	China Universal Asset Management Co. Ltd.	9,362	$0.45M	0.1%	+63.0%	0.019%
10/24/2024	Nisa Investment Advisors LLC	720	$35K	0.0%	-37.6%	0.001%
10/24/2024	State of Alaska Department of Revenue	21,667	$1.05M	0.0%	-3.3%	0.044%
10/24/2024	Boston Trust Walden Corp	539,639	$26.19M	0.2%	N/A	1.104%
10/24/2024	Arkadios Wealth Advisors	26,585	$1.29M	0.1%	+3.2%	0.054%
10/23/2024	Mirae Asset Global Investments Co. Ltd.	1,761	$85K	0.0%	+20.6%	0.004%
10/23/2024	Louisiana State Employees Retirement System	18,400	$0.89M	0.0%	-4.2%	0.038%
10/23/2024	Dakota Wealth Management	4,164	$0.20M	0.0%	N/A	0.009%
10/23/2024	Assenagon Asset Management S.A.	167,355	$8.12M	0.0%	-11.7%	0.342%
10/23/2024	Moody Aldrich Partners LLC	100,340	$4.87M	0.9%	+80.0%	0.205%
10/22/2024	International Assets Investment Management LLC	22,809	$11.07M	0.0%	N/A	0.047%
10/22/2024	Guidance Capital Inc.	10,388	$0.53M	0.2%	+6.3%	0.021%
10/21/2024	Retirement Guys Formula LLC	4,185	$0.20M	0.1%	N/A	0.009%
10/19/2024	Allspring Global Investments Holdings LLC	24,263	$1.18M	0.0%	-40.7%	0.050%
10/18/2024	Raymond James & Associates	116,677	$5.66M	0.0%	+1.7%	0.239%
10/16/2024	nVerses Capital LLC	2,600	$0.13M	0.1%	+18.2%	0.005%
10/9/2024	Juncture Wealth Strategies LLC	10,652	$0.52M	0.2%	-5.1%	0.022%
10/7/2024	GAMMA Investing LLC	663	$32K	0.0%	+70.0%	0.001%
10/3/2024	SG Americas Securities LLC	35,234	$1.71M	0.0%	N/A	0.072%
9/20/2024	Healthcare of Ontario Pension Plan Trust Fund	9,100	$0.36M	0.0%	N/A	0.019%
9/16/2024	Point72 DIFC Ltd	2,127	$85K	0.0%	-79.8%	0.004%
9/16/2024	Point72 Asia Singapore Pte. Ltd.	746	$30K	0.0%	-83.4%	0.002%
9/6/2024	Cim LLC	10,016	$0.40M	0.1%	+7.5%	0.020%
9/5/2024	Sanctuary Advisors LLC	9,439	$0.39M	0.0%	N/A	0.019%
8/22/2024	Aurora Investment Counsel	54,466	$2.18M	1.3%	N/A	0.111%
8/21/2024	Truist Financial Corp	14,485	$0.58M	0.0%	-5.8%	0.030%
8/19/2024	Point72 Asset Management L.P.	235,836	$9.43M	0.0%	-10.1%	0.482%
8/16/2024	Invst LLC	11,638	$0.45M	0.0%	+101.3%	0.024%
8/15/2024	The Manufacturers Life Insurance Company	22,246	$0.89M	0.0%	+4.5%	0.045%
8/15/2024	Millennium Management LLC	738,748	$29.55M	0.0%	+84.6%	1.511%
8/15/2024	Deerfield Management Company L.P. Series C	6,623	$0.27M	0.0%	N/A	0.014%
8/15/2024	AQR Capital Management LLC	55,796	$2.23M	0.0%	-2.2%	0.114%
8/15/2024	Point72 Asia Singapore Pte. Ltd.	746	$30K	0.0%	-83.4%	0.002%
8/14/2024	Squarepoint Ops LLC	90,552	$3.62M	0.0%	+10.4%	0.185%
8/14/2024	Point72 DIFC Ltd	2,127	$85K	0.0%	-79.8%	0.004%
8/14/2024	Marshall Wace LLP	227,127	$9.09M	0.0%	N/A	0.464%
8/14/2024	Public Sector Pension Investment Board	83,887	$3.36M	0.0%	+9.5%	0.172%
8/14/2024	Epoch Investment Partners Inc.	1,078,852	$43.15M	0.2%	+35.1%	2.206%
8/14/2024	ProShare Advisors LLC	8,840	$0.35M	0.0%	-19.4%	0.018%
8/13/2024	Hancock Whitney Corp	5,738	$0.23M	0.0%	-6.0%	0.012%
8/13/2024	Thrivent Financial for Lutherans	31,665	$1.27M	0.0%	-2.3%	0.065%
8/13/2024	Sei Investments Co.	26,543	$1.06M	0.0%	-13.3%	0.054%
8/13/2024	Granite Investment Partners LLC	397,514	$15.90M	0.7%	+12.7%	0.813%
8/13/2024	Public Employees Retirement Association of Colorado	5,265	$0.21M	0.0%	-13.0%	0.011%
8/12/2024	Intech Investment Management LLC	10,658	$0.43M	0.0%	N/A	0.022%
8/12/2024	Hsbc Holdings PLC	6,718	$0.27M	0.0%	-9.6%	0.014%
8/10/2024	Mutual of America Capital Management LLC	93,729	$3.75M	0.0%	-4.0%	0.192%
8/9/2024	Renaissance Technologies LLC	537,700	$21.51M	0.0%	-10.2%	1.100%
8/9/2024	Dimensional Fund Advisors LP	1,070,275	$42.81M	0.0%	-9.6%	2.189%
8/9/2024	WINTON GROUP Ltd	22,234	$0.89M	0.1%	+8.0%	0.045%
8/8/2024	Federated Hermes Inc.	1,944,800	$77.79M	0.2%	-6.4%	3.977%
8/8/2024	American Century Companies Inc.	740,408	$29.62M	0.0%	+19.7%	1.514%

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. It offers BAQSIMI, a nasal spray for the treatment of severe hypoglycemia; Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Enoxaparin, to prevent and treat deep vein thrombosis; REXTOVY and Naloxone for opioid overdose; Glucagon for injection emergency kit; and Cortrosyn, for use as a diagnostic agent in the screening of patients with adrenocortical insufficiency. The company provides Amphadase, an injection to absorb and disperse other injected drugs; Epinephrine injection for 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; 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; Isoproterenol hydrochloride injection for mild or transient episodes of heart block; Ganirelix Acetate injection for the inhibition of premature luteinizing hormone surges; Vasopressin to increase blood pressure; and Regadenoson, a stress agent for radionuclide myocardial perfusion imaging. Further, the company distributes recombinant human insulin APIs and porcine insulin API. Additionally, it develops generic product candidates, such as injectable, inhalation, and analytical technologies; biosimial product candidates; and intranasal epinephrine for the treatment of allergic reactions. The company was founded in 1996 and is headquartered in Rancho Cucamonga, California.

Today's Range

Now: $44.09

$43.09

$44.54

50 Day Range

MA: $48.38

$43.62

$53.40

52 Week Range

Now: $44.09

$36.56

$65.92

Volume

607,136 shs

Average Volume

398,103 shs

Market Capitalization

$2.12 billion

P/E Ratio

14.70

Dividend Yield

N/A

Beta

0.82

Who are the company insiders with the largest holdings of Amphastar Pharmaceuticals?: Amphastar Pharmaceuticals' top insider shareholders include:
Mary Z Luo (COO)
Howard Lee (Director)
William J Peters (CFO)
Rong Zhou (EVP)
Floyd F Petersen (Director)
Yakob Liawatidewi (EVP)
Richard K Prins (Director)
Michael A Zasloff (Director)
Learn More about top insider investors at Amphastar Pharmaceuticals.
Who are the major institutional investors of Amphastar Pharmaceuticals?: Amphastar Pharmaceuticals' top institutional shareholders include:
State Street Corp — 3.18%
Geode Capital Management LLC — 1.91%
Boston Trust Walden Corp — 1.10%
Charles Schwab Investment Management Inc. — 0.72%
Portolan Capital Management LLC — 0.68%
Hotchkis & Wiley Capital Management LLC — 0.46%
Learn More about top institutional investors of Amphastar Pharmaceuticals stock.
Which institutional investors are selling Amphastar Pharmaceuticals stock?: During the previous quarter, AMPH stock was sold by these institutional investors:
Point72 Asset Management L.P.
Assenagon Asset Management S.A.
Connor Clark & Lunn Investment Management Ltd.
Centiva Capital LP
Allspring Global Investments Holdings LLC
Principal Financial Group Inc.
Dynamic Technology Lab Private Ltd
Janus Henderson Group PLC
In the last year, company insiders that have sold Amphastar Pharmaceuticals company stock include:
Mary Z Luo (COO)
Howard Lee (Director)
William J Peters (CFO)
Rong Zhou (EVP)
Floyd F Petersen (Director)
Yakob Liawatidewi (EVP)
Richard K Prins (Director)
Learn More investors selling Amphastar Pharmaceuticals stock.
Which institutional investors are buying Amphastar Pharmaceuticals stock?: During the last quarter, AMPH stock was bought by institutional investors including:
Boston Trust Walden Corp
Hotchkis & Wiley Capital Management LLC
Portolan Capital Management LLC
Weiss Asset Management LP
PDT Partners LLC
Algert Global LLC
Moody Aldrich Partners LLC
Taika Capital LP