AMPH Insider Trading (Amphastar Pharmaceuticals)

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Insider Trading History
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About

Insider Ownership Percentage: 29.80%

Insider Buying (Last 12 Months): $20,260.00

Insider Selling (Last 12 Months): $6,207,064.15

Amphastar Pharmaceuticals Insider Trading History Chart

Amphastar Pharmaceuticals Share Price & Price History

^$17.48

▼ -0.05 (-0.29%)

As of 03/1/2021 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
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
5/6/2019	Rong Zhou	EVP	Sell	9,600	$22.76	$218,496.00	66,707
5/1/2019	Jason B Shandell	Insider	Sell	10,000	$21.97	$219,700.00
4/16/2019	Jason B Shandell	General Counsel	Sell	9,478	$20.67	$195,910.26	159,947
3/15/2019	Jason B Shandell	Insider	Sell	32,336	$20.35	$658,037.60	160,490
3/4/2019	William J Peters	CFO	Sell	1,500	$25.36	$38,040.00	77,050
3/1/2019	Jason B Shandell	Insider	Sell	7,500	$24.99	$187,425.00	175,818
3/1/2019	Rong Zhou	EVP	Sell	3,200	$25.00	$80,000.00	55,230
2/15/2019	William J Peters	CFO	Sell	10,016	$24.37	$244,089.92	85,566
2/14/2019	Jason B Shandell	Insider	Sell	7,519	$23.99	$180,380.81	175,837
2/14/2019	Yakob Liawatidewi	SVP	Sell	8,868	$23.86	$211,590.48	39,883
2/12/2019	Yakob Liawatidewi	SVP	Sell	4,000	$23.70	$94,800.00	39,883
2/5/2019	Rong Zhou	EVP	Sell	4,289	$23.00	$98,647.00	56,319
2/5/2019	Yakob Liawatidewi	SVP	Sell	11,397	$23.18	$264,182.46	47,280
1/23/2019	Jason B Shandell	Insider	Sell	15,497	$22.39	$346,977.83	168,518
1/23/2019	Yakob Liawatidewi	SVP	Sell	7,000	$22.52	$157,640.00	40,463
1/16/2019	Yakob Liawatidewi	SVP	Sell	3,183	$22.15	$70,503.45	37,471
1/14/2019	Yakob Liawatidewi	SVP	Sell	8	$22.15	$177.20	37,471
1/2/2019	William J Peters	CFO	Sell	3,245	$19.52	$63,342.40	75,550
12/14/2018	Richard K Prins	Director	Sell	1,616	$20.65	$33,370.40	33,818
12/13/2018	Jack Y Zhang	CEO	Sell	29,689	$20.99	$623,172.11	2,115,894
12/13/2018	Physics & Chemistry La Applied	Major Shareholder	Sell	133,915	$21.29	$2,851,050.35	7,398,090
12/11/2018	Jack Y Zhang	CEO	Sell	66,757	$21.47	$1,433,272.79	2,115,894
12/11/2018	Richard Koo	Director	Sell	29,278	$21.32	$624,206.96	89,263
12/7/2018	Howard Lee	Director	Sell	29,278	$21.67	$634,454.26	133,381
12/3/2018	Jason B. Shandell	Insider	Sell	16,630	$22.44	$373,177.20
12/3/2018	Rong Zhou	EVP	Sell	1,089	$22.00	$23,958.00
12/3/2018	William J. Peters	CFO	Sell	10,000	$22.40	$224,000.00	133,381
11/30/2018	Yakob Liawatidewi	SVP	Sell	13,980	$21.50	$300,570.00	48,963
11/29/2018	Richard K Prins	Director	Sell	5,000	$20.50	$102,500.00
11/28/2018	Yakob Liawatidewi	SVP	Sell	1,520	$20.49	$31,144.80	37,463
11/23/2018	Yakob Liawatidewi	SVP	Sell	1,299	$20.26	$26,317.74	37,463
11/14/2018	Jason B Shandell	Insider	Sell	16,015	$20.41	$326,866.15	183,890
11/14/2018	Richard K Prins	Director	Sell	5,000	$20.23	$101,150.00	40,434
11/12/2018	William J Peters	CFO	Sell	38,484	$20.74	$798,158.16	106,636
11/9/2018	Jason B Shandell	General Counsel	Sell	16,095	$20.99	$337,834.05	204,805
11/9/2018	Rong Zhou	EVP	Sell	2,173	$20.50	$44,546.50	54,392
11/9/2018	William J Peters	CFO	Sell	10,000	$21.47	$214,700.00	106,636
11/9/2018	Yakob Liawatidewi	SVP	Sell	17,808	$20.97	$373,433.76	46,763
8/16/2018	William J Peters	CFO	Sell	2,407	$17.59	$42,339.13	86,836
8/14/2018	Richard K Prins	Director	Sell	10,000	$17.82	$178,200.00
7/11/2018	Jason B. Shandell	Insider	Sell	14,399	$16.77	$241,471.23
7/9/2018	William J. Peters	CFO	Sell	3,250	$16.46	$53,495.00
6/12/2018	Michael A Zasloff	Director	Sell	15,000	$16.52	$247,800.00	29,845
5/15/2018	Jack Y Zhang	CEO	Buy	25,000	$16.08	$402,000.00	2,065,619
3/20/2018	Jason B Shandell	Insider	Sell	20,000	$19.43	$388,600.00	251,372
3/15/2018	Richard K Prins	Director	Sell	16,598	$19.90	$330,300.20	45,442
3/14/2018	Jason B Shandell	Insider	Sell	700	$20.45	$14,315.00
3/13/2018	William J Peters	CFO	Sell	19,801	$20.10	$398,000.10

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

55.08% 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
2/25/2021	Dimensional Fund Advisors LP	1,807,385	$36.35M	0.0%	-1.0%	3.805%
2/23/2021	Principal Financial Group Inc.	251,628	$5.06M	0.0%	-3.8%	0.530%
2/19/2021	JPMorgan Chase & Co.	28,974	$0.58M	0.0%	+113.3%	0.061%
2/16/2021	Squarepoint Ops LLC	10,714	$0.22M	0.0%	-42.5%	0.023%
2/16/2021	Morgan Stanley	331,908	$6.68M	0.0%	+242.7%	0.699%
2/16/2021	Tudor Investment Corp Et Al	26,122	$0.53M	0.0%	N/A	0.055%
2/16/2021	Nuveen Asset Management LLC	186,560	$3.75M	0.0%	-9.1%	0.393%
2/16/2021	Charles Schwab Investment Management Inc.	242,148	$4.87M	0.0%	+2.1%	0.510%
2/13/2021	American International Group Inc.	24,552	$0.49M	0.0%	-2.4%	0.052%
2/12/2021	Vantage Consulting Group Inc	3,532	$71K	0.0%	N/A	0.007%
2/12/2021	Federated Hermes Inc.	3,225,883	$64.87M	0.1%	+17.7%	6.791%
2/12/2021	Credit Suisse AG	50,511	$1.02M	0.0%	+31.5%	0.106%
2/12/2021	Nordea Investment Management AB	260,573	$5.24M	0.0%	-2.2%	0.549%
2/12/2021	Public Sector Pension Investment Board	105,654	$2.13M	0.0%	+30.5%	0.222%
2/11/2021	Fuller & Thaler Asset Management Inc.	546,344	$10.99M	0.1%	-33.2%	1.150%
2/11/2021	Northern Trust Corp	489,320	$9.84M	0.0%	-4.2%	1.030%
2/11/2021	Barclays PLC	72,888	$1.47M	0.0%	+6.0%	0.153%
2/11/2021	Citigroup Inc.	14,526	$0.29M	0.0%	+98.2%	0.031%
2/11/2021	Skandinaviska Enskilda Banken AB publ	36,800	$0.74M	0.0%	-39.1%	0.077%
2/11/2021	Veriti Management LLC	11,592	$0.23M	0.1%	N/A	0.024%
2/10/2021	Renaissance Technologies LLC	312,600	$6.29M	0.0%	-17.4%	0.658%
2/10/2021	QS Investors LLC	15,900	$0.32M	0.0%	-23.6%	0.033%
2/10/2021	Panagora Asset Management Inc.	9,192	$0.19M	0.0%	+16.1%	0.019%
2/9/2021	Wells Fargo & Company MN	179,736	$3.62M	0.0%	-14.0%	0.378%
2/9/2021	ProShare Advisors LLC	16,100	$0.32M	0.0%	+26.0%	0.034%
2/8/2021	Rothschild & Co. Asset Management US Inc.	224,946	$4.52M	0.1%	-7.8%	0.474%
2/8/2021	Alliancebernstein L.P.	89,883	$1.81M	0.0%	+1.2%	0.189%
2/8/2021	State Board of Administration of Florida Retirement System	50,566	$1.02M	0.0%	-22.0%	0.106%
2/8/2021	Sei Investments Co.	55,158	$1.11M	0.0%	-38.5%	0.116%
2/5/2021	BlackRock Inc.	7,144,166	$143.67M	0.0%	+3.5%	15.039%
2/5/2021	Aperio Group LLC	27,684	$0.56M	0.0%	+11.1%	0.058%
2/5/2021	Swiss National Bank	85,900	$1.73M	0.0%	+2.4%	0.181%
2/4/2021	Texas Permanent School Fund	29,370	$0.59M	0.0%	-14.0%	0.062%
2/4/2021	Ellsworth Advisors LLC	10,295	$0.21M	0.2%	N/A	0.022%
2/4/2021	State of Wisconsin Investment Board	50,600	$1.02M	0.0%	-11.1%	0.107%
2/3/2021	State of New Jersey Common Pension Fund D	102,726	$2.07M	0.0%	-7.5%	0.216%
2/2/2021	First Trust Advisors LP	34,713	$0.70M	0.0%	N/A	0.073%
2/1/2021	Victory Capital Management Inc.	13,572	$0.27M	0.0%	+8.4%	0.029%
1/25/2021	Nisa Investment Advisors LLC	34,964	$0.70M	0.0%	+100.7%	0.074%
1/19/2021	Exchange Traded Concepts LLC	16,565	$0.33M	0.0%	+4.8%	0.035%
1/8/2021	State of Alaska Department of Revenue	28,465	$0.57M	0.0%	-16.8%	0.060%
12/4/2020	Sei Investments Co.	89,658	$1.68M	0.0%	+27.9%	0.189%
11/18/2020	Great West Life Assurance Co. Can	40,509	$0.76M	0.0%	-2.0%	0.085%
11/17/2020	Voloridge Investment Management LLC	45,541	$0.85M	0.0%	N/A	0.096%
11/17/2020	California State Teachers Retirement System	55,143	$1.03M	0.0%	+1.8%	0.116%
11/16/2020	AQR Capital Management LLC	52,475	$0.98M	0.0%	-30.9%	0.110%
11/16/2020	Squarepoint Ops LLC	18,635	$0.35M	0.0%	-75.2%	0.039%
11/13/2020	Public Sector Pension Investment Board	80,952	$1.52M	0.0%	+7.3%	0.170%
11/13/2020	Morgan Stanley	96,838	$1.82M	0.0%	-20.8%	0.204%
11/13/2020	Charles Schwab Investment Management Inc.	237,132	$4.45M	0.0%	+4.0%	0.499%
11/13/2020	UBS Asset Management Americas Inc.	41,087	$0.77M	0.0%	+9.4%	0.086%
11/13/2020	Great West Life Assurance Co. Can	73,739	$0.64M	0.0%	+78.4%	0.155%
11/12/2020	JPMorgan Chase & Co.	13,583	$0.25M	0.0%	+11.6%	0.029%
11/12/2020	Federated Hermes Inc.	2,740,358	$51.38M	0.1%	+5.4%	5.769%
11/11/2020	Thrivent Financial for Lutherans	30,319	$0.57M	0.0%	+7.4%	0.064%
11/10/2020	AJO LP	107,182	$2.01M	0.0%	+3.8%	0.226%
11/10/2020	State Street Corp	1,290,490	$24.20M	0.0%	+2.4%	2.718%
11/9/2020	SG Americas Securities LLC	83,818	$1.57M	0.0%	N/A	0.177%
11/9/2020	Fuller & Thaler Asset Management Inc.	817,515	$15.33M	0.2%	+0.3%	1.722%
11/9/2020	Acadian Asset Management LLC	17,672	$0.33M	0.0%	-38.3%	0.037%
11/9/2020	Jackson Creek Investment Advisors LLC	36,590	$0.69M	0.3%	N/A	0.077%
11/9/2020	Rothschild & Co. Asset Management US Inc.	243,909	$4.57M	0.1%	-14.5%	0.514%
11/9/2020	Victory Capital Management Inc.	12,522	$0.24M	0.0%	-5.2%	0.026%
11/9/2020	State Board of Administration of Florida Retirement System	64,812	$1.22M	0.0%	N/A	0.136%
11/6/2020	Sei Investments Co.	89,658	$1.68M	0.0%	+27.9%	0.189%
11/6/2020	BlackRock Inc.	6,903,389	$129.44M	0.0%	+4.4%	14.538%
11/6/2020	Aperio Group LLC	24,916	$0.47M	0.0%	+3.8%	0.052%
11/6/2020	Principal Financial Group Inc.	261,537	$4.90M	0.0%	+3.8%	0.551%
11/6/2020	Aigen Investment Management LP	23,900	$0.45M	0.1%	N/A	0.050%
11/5/2020	California Public Employees Retirement System	82,336	$1.54M	0.0%	+5.0%	0.173%
11/5/2020	Wells Fargo & Company MN	209,040	$3.92M	0.0%	-10.6%	0.440%
11/4/2020	Raymond James & Associates	15,147	$0.28M	0.0%	+10.7%	0.032%
11/4/2020	Mackay Shields LLC	116,800	$2.19M	0.0%	+290.6%	0.246%
11/3/2020	Oregon Public Employees Retirement Fund	14,790	$0.28M	0.0%	+7.3%	0.031%
10/30/2020	BNP Paribas Arbitrage SA	15,875	$0.30M	0.0%	+648.1%	0.033%
10/30/2020	Comerica Bank	36,868	$0.77M	0.0%	+6.8%	0.078%
10/30/2020	Exchange Traded Concepts LLC	15,809	$0.30M	0.0%	N/A	0.033%
10/30/2020	WINTON GROUP Ltd	97,255	$1.82M	0.1%	-51.0%	0.205%
10/29/2020	DekaBank Deutsche Girozentrale	14,900	$0.27M	0.0%	N/A	0.031%
10/27/2020	State of New Jersey Common Pension Fund D	111,028	$2.08M	0.0%	+5.4%	0.234%
10/20/2020	Nisa Investment Advisors LLC	17,422	$0.33M	0.0%	-49.9%	0.037%
10/19/2020	Louisiana State Employees Retirement System	16,900	$0.32M	0.0%	+85.3%	0.036%
10/15/2020	Campbell & CO Investment Adviser LLC	16,127	$0.30M	0.2%	-15.7%	0.034%
10/5/2020	State of Alaska Department of Revenue	34,205	$0.64M	0.0%	+7.5%	0.072%
9/4/2020	Principal Financial Group Inc.	251,888	$5.66M	0.0%	-3.1%	0.530%
8/25/2020	Nuveen Asset Management LLC	184,535	$4.15M	0.0%	+33.8%	0.389%
8/20/2020	Charles Schwab Investment Management Inc.	228,101	$5.12M	0.0%	+3.6%	0.480%
8/17/2020	AQR Capital Management LLC	75,973	$1.71M	0.0%	-14.5%	0.160%
8/17/2020	Engineers Gate Manager LP	52,098	$1.17M	0.1%	+117.0%	0.110%
8/17/2020	Great West Life Assurance Co. Can	41,333	$0.93M	0.0%	-5.2%	0.087%
8/17/2020	Jacobs Levy Equity Management Inc.	173,572	$3.90M	0.0%	+1.3%	0.366%
8/17/2020	Sei Investments Co.	70,094	$1.57M	0.0%	-5.3%	0.148%
8/17/2020	Cigna Investments Inc. New	15,007	$0.34M	0.0%	N/A	0.032%
8/14/2020	Cubist Systematic Strategies LLC	41,009	$0.92M	0.0%	+183.2%	0.086%
8/14/2020	Bank of America Corp DE	118,857	$2.67M	0.0%	+110.8%	0.250%
8/14/2020	Vanguard Group Inc.	2,390,120	$53.68M	0.0%	+0.3%	5.033%
8/14/2020	Silvercrest Asset Management Group LLC	286,320	$6.43M	0.1%	-1.7%	0.603%
8/13/2020	Marshall Wace LLP	132,228	$2.97M	0.0%	-56.2%	0.286%
8/13/2020	Skandinaviska Enskilda Banken AB publ	60,400	$1.36M	0.0%	-38.6%	0.131%
8/13/2020	Nordea Investment Management AB	528,498	$11.76M	0.0%	+98.9%	1.144%

Data available starting January 2016

Amphastar Pharmaceuticals, Inc., a specialty 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 enoxaparin, a low molecular weight heparin to prevent and treat deep vein thrombosis; naloxone for opioid overdose; Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; and Cortrosyn, a lyophilized powder 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; lidocaine jelly, a local anesthetic product for urological procedures; lidocaine topical solution for various procedures; phytonadione injection for newborn babies; atropine, calcium chloride, dextrose, epinephrine, lidocaine, and sodium bicarbonate for emergency use in hospital settings; morphine injection; and lorazepam injection for surgery and medical procedures. In addition, it offers procainamide for documented ventricular arrhythmias; neostigmine methylsulfate injection to treat myasthenia gravis and to reverse the effects of muscle relaxants; medroxyprogesterone acetate injectable suspension for the prevention of pregnancy; and Isoproterenol hydrochloride injection for mild or transient episodes of heart block, as well as recombinant human insulin API (active pharmaceutical ingredients) and porcine insulin API. Further, the company has a pipeline of 20 product candidates in various stages of development for various indications. 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: $17.48

$17.41

$18.03

50 Day Range

MA: $18.65

$17.53

$19.53

52 Week Range

Now: $17.48

$12.32

$22.69

Volume

304,092 shs

Average Volume

181,651 shs

Market Capitalization

$830.37 million

P/E Ratio

124.86

Dividend Yield

N/A

Beta

0.87

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)
Jason B Shandell (General Counsel)
Jason B Shandell (Insider)
Howard Lee (Director)
William J Peters (CFO)
Floyd F Petersen (Director)
Yakob Liawatidewi (EVP)
Rong Zhou (EVP)
Michael A Zasloff (Director)
Richard K Prins (Director)
Yakob Liawatidewi (SVP)
David Maris (Director)
Jason B Shandell (Insider)
William J Peters (CFO)

Who are the major institutional investors of Amphastar Pharmaceuticals?

Amphastar Pharmaceuticals' top institutional shareholders include:

BlackRock Inc. — 15.04%
Federated Hermes Inc. — 6.79%
Dimensional Fund Advisors LP — 3.80%
Fuller & Thaler Asset Management Inc. — 1.15%
Northern Trust Corp — 1.03%
Morgan Stanley — 0.70%

Which institutional investors are selling Amphastar Pharmaceuticals stock?

During the previous quarter, AMPH stock was sold by these institutional investors:

Fuller & Thaler Asset Management Inc.
Renaissance Technologies LLC
Sei Investments Co.
Wells Fargo & Company MN
Skandinaviska Enskilda Banken AB publ
Northern Trust Corp
Rothschild & Co. Asset Management US Inc.
Nuveen Asset Management LLC

In the last year, company insiders that have sold Amphastar Pharmaceuticals company stock include:

Jack Y Zhang (CEO)
Richard Koo (Director)
Jason B Shandell (General Counsel)
Jason B Shandell (Insider)
Howard Lee (Director)
William J Peters (CFO)
Floyd F Petersen (Director)
Yakob Liawatidewi (EVP)
Rong Zhou (EVP)
Michael A Zasloff (Director)

Which institutional investors are buying Amphastar Pharmaceuticals stock?

During the last quarter, AMPH stock was bought by institutional investors including:

Federated Hermes Inc.
BlackRock Inc.
Morgan Stanley
First Trust Advisors LP
Tudor Investment Corp Et Al
Public Sector Pension Investment Board
Nisa Investment Advisors LLC
JPMorgan Chase & Co.