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AMPH Insider Trading (Amphastar Pharmaceuticals)

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 28.40%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $6,335,292.84

Amphastar Pharmaceuticals Insider Trading History Chart

Amphastar Pharmaceuticals Share Price & Price History

^$18.71

▲ +0.03 (0.16%)

As of 09/24/2021 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
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
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

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

56.53% 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
9/3/2021	Parametric Portfolio Associates LLC	152,030	$3.07M	0.0%	+37.6%	0.317%
8/26/2021	Comerica Bank	32,650	$0.61M	0.0%	-7.8%	0.068%
8/23/2021	Morgan Stanley	414,225	$8.35M	0.0%	+21.3%	0.862%
8/17/2021	Wells Fargo & Company MN	368,019	$7.42M	0.0%	+101.8%	0.766%
8/17/2021	Invesco Ltd.	788,414	$15.90M	0.0%	-15.6%	1.641%
8/17/2021	Metropolitan Life Insurance Co NY	12,543	$0.25M	0.0%	+113,927.3%	0.026%
8/17/2021	Millennium Management LLC	16,510	$0.33M	0.0%	-86.2%	0.034%
8/17/2021	Oberweis Asset Management Inc.	10,600	$0.21M	0.0%	N/A	0.022%
8/17/2021	Prudential Financial Inc.	181,665	$3.66M	0.0%	-24.1%	0.378%
8/17/2021	Citadel Advisors LLC	24,373	$0.49M	0.0%	-11.1%	0.051%
8/16/2021	Squarepoint Ops LLC	40,760	$0.82M	0.0%	N/A	0.085%
8/16/2021	AQR Capital Management LLC	19,868	$0.40M	0.0%	-19.0%	0.041%
8/16/2021	Bank of America Corp DE	62,936	$1.27M	0.0%	-5.5%	0.131%
8/16/2021	Amalgamated Bank	18,011	$0.36M	0.0%	N/A	0.037%
8/16/2021	UBS Asset Management Americas Inc.	43,811	$0.88M	0.0%	+6.6%	0.091%
8/16/2021	FORA Capital LLC	1,338	$27K	0.0%	N/A	0.003%
8/16/2021	Cubist Systematic Strategies LLC	20,363	$0.41M	0.0%	+35.7%	0.042%
8/16/2021	California State Teachers Retirement System	51,101	$1.03M	0.0%	-7.0%	0.106%
8/16/2021	Occudo Quantitative Strategies LP	13,910	$0.28M	0.0%	N/A	0.029%
8/16/2021	Royal Bank of Canada	3,534	$71K	0.0%	+253.4%	0.007%
8/16/2021	Tudor Investment Corp Et Al	37,433	$0.76M	0.0%	-14.5%	0.078%
8/16/2021	Morgan Stanley	414,225	$8.35M	0.0%	+21.3%	0.862%
8/16/2021	Credit Suisse AG	39,074	$0.79M	0.0%	-5.8%	0.081%
8/16/2021	Charles Schwab Investment Management Inc.	253,387	$5.11M	0.0%	+2.2%	0.528%
8/16/2021	State Street Corp	1,439,931	$29.03M	0.0%	+2.5%	2.998%
8/16/2021	Nuveen Asset Management LLC	419,137	$8.45M	0.0%	+139.0%	0.873%
8/16/2021	Federated Hermes Inc.	3,341,501	$67.36M	0.1%	-2.9%	6.957%
8/16/2021	Silvercrest Asset Management Group LLC	377,455	$7.61M	0.0%	+28.6%	0.786%
8/16/2021	Goldman Sachs Group Inc.	844,062	$17.02M	0.0%	+17.4%	1.757%
8/13/2021	Renaissance Technologies LLC	247,100	$4.98M	0.0%	+9.5%	0.514%
8/13/2021	Northern Trust Corp	433,603	$8.74M	0.0%	-5.8%	0.903%
8/13/2021	Jump Financial LLC	37,700	$0.76M	0.1%	N/A	0.078%
8/13/2021	Ensign Peak Advisors Inc	10,900	$0.22M	0.0%	+240.6%	0.023%
8/13/2021	Geode Capital Management LLC	689,084	$13.89M	0.0%	+4.3%	1.435%
8/13/2021	Vanguard Group Inc.	2,459,731	$49.59M	0.0%	-3.7%	5.121%
8/13/2021	Public Sector Pension Investment Board	74,952	$1.51M	0.0%	-24.9%	0.156%
8/13/2021	ProShare Advisors LLC	19,158	$0.39M	0.0%	+10.2%	0.040%
8/13/2021	Fuller & Thaler Asset Management Inc.	399,445	$8.05M	0.1%	+0.4%	0.832%
8/12/2021	Lazard Asset Management LLC	3,479	$70K	0.0%	N/A	0.007%
8/12/2021	Dimensional Fund Advisors LP	1,695,893	$34.19M	0.0%	+0.4%	3.560%
8/12/2021	Globeflex Capital L P	16,457	$0.33M	0.1%	N/A	0.035%
8/12/2021	Legal & General Group Plc	76,601	$1.54M	0.0%	-24.5%	0.161%
8/12/2021	JPMorgan Chase & Co.	181,995	$3.67M	0.0%	+305.2%	0.382%
8/12/2021	Bank of Montreal Can	15,868	$0.33M	0.0%	+37.2%	0.033%
8/12/2021	Shell Asset Management Co.	38,622	$0.78M	0.0%	+5.7%	0.081%
8/11/2021	Bank of New York Mellon Corp	355,548	$7.17M	0.0%	-6.1%	0.746%
8/11/2021	BlackRock Inc.	7,269,619	$146.56M	0.0%	-1.5%	15.261%
8/11/2021	Deutsche Bank AG	75,877	$1.53M	0.0%	+72.9%	0.159%
8/11/2021	Eagle Asset Management Inc.	304,474	$6.14M	0.0%	-1.9%	0.639%
8/11/2021	Panagora Asset Management Inc.	7,916	$0.16M	0.0%	-13.9%	0.017%
8/11/2021	Factorial Partners LLC	20,000	$0.40M	0.3%	N/A	0.042%
8/10/2021	Principal Financial Group Inc.	253,684	$5.11M	0.0%	+0.9%	0.533%
8/10/2021	BNP Paribas Arbitrage SA	22,649	$0.46M	0.0%	+50.9%	0.048%
8/10/2021	Aigen Investment Management LP	12,390	$0.25M	0.0%	-22.9%	0.026%
8/10/2021	State Board of Administration of Florida Retirement System	22,334	$0.45M	0.0%	-55.8%	0.047%
8/10/2021	Citigroup Inc.	25,202	$0.51M	0.0%	+98.6%	0.053%
8/10/2021	WINTON GROUP Ltd	53,752	$1.08M	0.1%	+8.0%	0.113%
8/9/2021	Frontier Capital Management Co. LLC	184,979	$3.73M	0.0%	N/A	0.388%
8/6/2021	Nisa Investment Advisors LLC	32,264	$0.65M	0.0%	-7.7%	0.068%
8/6/2021	Swiss National Bank	83,800	$1.69M	0.0%	-2.4%	0.176%
8/5/2021	American Century Companies Inc.	93,288	$1.88M	0.0%	N/A	0.196%
8/5/2021	Rhumbline Advisers	91,326	$1.84M	0.0%	+8.4%	0.192%
8/4/2021	LSV Asset Management	30,400	$0.61M	0.0%	N/A	0.064%
8/2/2021	Arizona State Retirement System	10,330	$0.21M	0.0%	-6.6%	0.022%
8/1/2021	Exchange Traded Concepts LLC	57,851	$1.17M	0.0%	+10.5%	0.121%
8/1/2021	Zurcher Kantonalbank Zurich Cantonalbank	3,549	$72K	0.0%	-33.5%	0.007%
7/31/2021	Ziegler Capital Management LLC	33,747	$0.68M	0.0%	N/A	0.071%
7/12/2021	State of Alaska Department of Revenue	25,378	$0.51M	0.0%	+2.5%	0.053%
5/22/2021	Teachers Retirement System of The State of Kentucky	10,331	$0.19M	0.0%	+46.9%	0.022%
5/18/2021	Millennium Management LLC	119,695	$2.19M	0.0%	-33.4%	0.251%
5/18/2021	D. E. Shaw & Co. Inc.	17,778	$0.33M	0.0%	+38.0%	0.037%
5/18/2021	Morgan Stanley	341,600	$6.26M	0.0%	+2.9%	0.717%
5/18/2021	Tudor Investment Corp Et Al	43,789	$0.80M	0.0%	+67.6%	0.092%
5/18/2021	Cubist Systematic Strategies LLC	15,006	$0.28M	0.0%	N/A	0.032%
5/17/2021	Great West Life Assurance Co. Can	30,450	$0.56M	0.0%	-13.7%	0.064%
5/17/2021	AQR Capital Management LLC	24,521	$0.45M	0.0%	-33.1%	0.051%
5/17/2021	Captrust Financial Advisors	1,492	$27K	0.0%	+1,889.3%	0.003%
5/17/2021	Ameriprise Financial Inc.	194,086	$3.56M	0.0%	+3.3%	0.407%
5/17/2021	Nuveen Asset Management LLC	175,388	$3.21M	0.0%	-6.0%	0.368%
5/17/2021	Nordea Investment Management AB	254,470	$4.60M	0.0%	-2.3%	0.534%
5/17/2021	Goldman Sachs Group Inc.	718,882	$13.17M	0.0%	+30.0%	1.509%
5/14/2021	Arrowstreet Capital Limited Partnership	55,869	$1.02M	0.0%	N/A	0.117%
5/14/2021	Dimensional Fund Advisors LP	1,689,089	$31.01M	0.0%	-6.5%	3.546%
5/14/2021	Credit Suisse AG	41,501	$0.76M	0.0%	-17.8%	0.087%
5/14/2021	Quantbot Technologies LP	2,900	$53K	0.0%	+866.7%	0.006%
5/13/2021	Franklin Resources Inc.	10,366	$0.19M	0.0%	N/A	0.022%
5/13/2021	Trexquant Investment LP	12,503	$0.23M	0.0%	N/A	0.026%
5/13/2021	SG Americas Securities LLC	5,487	$0.10M	0.0%	N/A	0.012%
5/13/2021	Barclays PLC	75,117	$1.38M	0.0%	+3.1%	0.158%
5/13/2021	Renaissance Technologies LLC	225,600	$4.13M	0.0%	-27.8%	0.474%
5/13/2021	Bank of New York Mellon Corp	378,683	$6.94M	0.0%	-2.0%	0.795%
5/13/2021	Cornercap Investment Counsel Inc.	54,751	$1M	0.1%	N/A	0.115%
5/13/2021	Citigroup Inc.	12,687	$0.23M	0.0%	-12.7%	0.027%
5/13/2021	Federated Hermes Inc.	3,441,367	$63.05M	0.1%	+6.7%	7.224%
5/13/2021	Allianz Asset Management GmbH	27,761	$0.51M	0.0%	N/A	0.058%
5/12/2021	Northern Trust Corp	460,410	$8.44M	0.0%	-5.9%	0.967%
5/12/2021	Ergoteles LLC	15,543	$0.29M	0.0%	N/A	0.033%
5/12/2021	Geode Capital Management LLC	660,413	$12.10M	0.0%	+15.0%	1.386%
5/12/2021	Prudential Financial Inc.	239,337	$4.39M	0.0%	-17.2%	0.502%
5/12/2021	Ensign Peak Advisors Inc	3,200	$59K	0.0%	N/A	0.007%

Data available starting January 2016

Amphastar Pharmaceuticals, Inc. engages in the development, manufacture, market, and sale of technically challenging and proprietary injectable, inhalation, and intranasal products. 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 manufactures and distributes recombinant human insulin and porcine insulin. The company was founded by Zi-Ping Luo and Yong Feng Zhang on February 29, 1996 and is headquartered in Rancho Cucamonga, CA.

Today's Range

Now: $18.71

$18.62

$18.79

50 Day Range

MA: $19.48

$17.83

$21.49

52 Week Range

Now: $18.71

$16.91

$21.63

Volume

76,868 shs

Average Volume

197,637 shs

Market Capitalization

$898.68 million

P/E Ratio

89.10

Dividend Yield

N/A

Beta

0.74

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)
Howard Lee (Director)
Richard K Prins (Director)
Rong Zhou (EVP)
William J Peters (CFO)
Floyd F Petersen (Director)
Yakob Liawatidewi (EVP)
Michael A Zasloff (Director)
David Maris (Director)
William J Peters (CFO)
Who are the major institutional investors of Amphastar Pharmaceuticals?: Amphastar Pharmaceuticals' top institutional shareholders include:
BlackRock Inc. — 15.26%
Federated Hermes Inc. — 6.96%
Vanguard Group Inc. — 5.12%
Dimensional Fund Advisors LP — 3.56%
State Street Corp — 3.00%
Goldman Sachs Group Inc. — 1.76%
Which institutional investors are selling Amphastar Pharmaceuticals stock?: During the previous quarter, AMPH stock was sold by these institutional investors:
Invesco Ltd.
BlackRock Inc.
Millennium Management LLC
Federated Hermes Inc.
Vanguard Group Inc.
Prudential Financial Inc.
State Board of Administration of Florida Retirement System
Northern Trust Corp
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)
Howard Lee (Director)
Richard K Prins (Director)
Rong Zhou (EVP)
William J Peters (CFO)
Floyd F Petersen (Director)
Yakob Liawatidewi (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:
Nuveen Asset Management LLC
Wells Fargo & Company MN
Frontier Capital Management Co. LLC
JPMorgan Chase & Co.
Goldman Sachs Group Inc.
American Century Companies Inc.
Silvercrest Asset Management Group LLC
Morgan Stanley

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