Amphastar Pharmaceuticals Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:29A Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Nov 24	Sell€114,978	Richard Prins	Individual	2,500	€45.99
05 Sep 24	Sell€125,754	Floyd Petersen	Individual	3,000	€41.92
10 Jun 24	Sell€115,605	Floyd Petersen	Individual	3,000	€38.54
05 Mar 24	Sell€542,664	Michael Zasloff	Individual	12,500	€43.73

Insider Trading Volume

Insider Buying: 29A insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 29A?
Owner Type	Number of Shares	Ownership Percentage
State or Government	19,850	0.0413%
General Public	1,488,989	3.1%
Individual Insiders	3,880,237	8.07%
Private Companies	6,827,679	14.2%
Institutions	35,864,678	74.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 75.77% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.2%	Applied Physics & Chemistry Laboratories, Inc.	6,827,679	€290.9m	0%	no data
12.6%	BlackRock, Inc.	6,032,722	€257.0m	1.52%	no data
5.64%	The Vanguard Group, Inc.	2,711,473	€115.5m	1.44%	no data
4.81%	Yongfeng Zhang	2,312,948	€98.6m	-5.13%	no data
4.44%	TD Asset Management, Inc.	2,135,038	€91.0m	26.2%	0.07%
4.05%	Federated Hermes, Inc.	1,947,100	€83.0m	0.12%	0.21%
3.36%	Neuberger Berman Investment Advisers LLC	1,615,088	€68.8m	-0.46%	0.05%
3.18%	State Street Global Advisors, Inc.	1,530,464	€65.2m	0.06%	no data
2.62%	Fuller & Thaler Asset Management, Inc.	1,260,767	€53.7m	-0.95%	0.21%
2.48%	Toronto-Dominion Bank, Banking Investments	1,191,110	€50.8m	10.4%	0.08%
2.27%	Dimensional Fund Advisors LP	1,093,302	€46.6m	2.15%	0.01%
2.12%	Ziping Luo	1,021,491	€43.5m	-10.9%	no data
1.91%	Geode Capital Management, LLC	920,363	€39.2m	1.55%	no data
1.33%	American Century Investment Management Inc	639,592	€27.3m	-13.6%	0.01%
1.21%	Northern Trust Global Investments	583,362	€24.9m	3.41%	no data
1.18%	T. Rowe Price Group, Inc.	568,894	€24.2m	-2.57%	no data
1.18%	Marshall Wace LLP	568,494	€24.2m	150%	0.04%
1.12%	Boston Trust Walden Company	539,639	€23.0m	0%	0.16%
1.02%	Renaissance Technologies LLC	489,400	€20.9m	-8.98%	0.03%
0.99%	Bessemer Investment Management LLC	477,021	€20.3m	2.31%	0.03%
0.91%	Morgan Stanley, Investment Banking and Brokerage Investments	435,939	€18.6m	18.1%	no data
0.86%	Mesirow Financial Investment Management, Inc.	413,949	€17.6m	17.1%	0.28%
0.84%	Granite Investment Partners, LLC	405,718	€17.3m	2.06%	0.75%
0.75%	Goldman Sachs Group, Investment Banking and Securities Investments	359,559	€15.3m	323%	0.01%
0.73%	Charles Schwab Investment Management, Inc.	350,056	€14.9m	-2.55%	no data