Insider Holders & Insider Ownership - Amphastar Pharmaceuticals Inc. (AMPH)

List of insiders holdings for Amphastar Pharmaceuticals Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
Zhang Jack Y.
Luo Mary Z.
Applied Physics & Chemistry Laboratories Inc.
CEO & Chief Scientific Officer
10% Owner		2024-02-09 17:21:5013,435,210
0		13,435,210Form 13G
Zhang Jack Y.
Luo Mary Z.
CEO & Chief Scientific Officer
10% Owner		2024-03-19 18:55:312,433,554
8,057,435		10,490,989Form 4
Shandell Jason B.
President and General Counsel		2020-03-18 17:31:08330,234
0		330,234Form 4
Koo Richard
Director		2021-06-08 20:55:10276,471
10000		286,471Form 4
Zhou Rong
SENIOR EVP, PRODUCTION CENTER		2024-03-19 17:15:22118,016
104,668		222,684Form 4
Lee Howard
Director		2023-06-12 16:05:49145,280
0		145,280Form 4
PETERS WILLIAM J
CFO, EVP & TREASURER		2024-03-19 17:10:2597,655
0		97,655Form 4
Petersen Floyd F.
Director		2024-04-02 21:31:2179,333
0		79,333Form 4
Liawatidewi Yakob
EVP CORP ADMIN CENTER		2024-03-19 17:17:5474,778
2459		77,237Form 4
Purchase Marilyn J.
Former Officer		2015-06-17 18:14:3143,263
16,044		59,307Form 4
Maris David
Director		2021-06-08 20:57:2336,352
0		36,352Form 4
PRINS RICHARD K
Director		2023-11-20 17:23:3530,895
0		30,895Form 4
Shohet Stephen B.
Director		2018-12-12 20:37:0430,706
0		30,706Form 4
Gerst Diane G.
Director		2023-06-07 18:24:3722,574
0		22,574Form 4
ZASLOFF MICHAEL A
Director		2024-03-06 17:57:2521,326
0		21,326Form 4
Deflin Gayle
Director		2023-11-15 16:30:112716
0		2716Form 4