AMPH - Amphastar Pharmaceuticals, Inc. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
4/2/25 18:45	4/1/25	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-14	28.38	-1	-1	74	D
3/18/25 19:13	3/14/25	AMPH	Health	Drug	Pharmaceutical Preparations	Zhang Jack Y.	CA	DOT	CEO,Chie	M.d	7,370	14.69	502	5	10,661	M
3/7/25 16:01	3/6/25	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-28	27.99	-1	-1	74	D
3/6/25 17:00	3/4/25	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	100	13.35	7	8	96	D
3/6/25 17:00	3/4/25	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-117	27.54	-4	-4	96	D
12/16/24 17:22	12/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	M.dm	170	11.33	15	7	223	D
12/16/24 17:22	12/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	S.dm	-673	44.85	-15	-6	223	D
12/11/24 20:28	12/9/24	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		M.d	195	19.52	10	50	30	D
12/11/24 20:28	12/9/24	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.d	-438	43.77	-10	-25	30	D
11/13/24 20:26	11/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	M.d	103	14.95	7	3	223	D
11/13/24 20:26	11/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	S.d	-337	48.88	-7	-3	223	D
11/13/24 18:55	11/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		M.d	42	16.69	3	9	30	D
11/13/24 18:55	11/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.d	-244	48.80	-5	-14	30	D
11/8/24 19:02	11/6/24	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	M.d	68	13.03	5	7	77	D
11/8/24 19:02	11/6/24	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	S.d	-271	52.05	-5	-6	77	D
11/8/24 17:24	11/6/24	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	97	13.03	7	9	94	D
11/8/24 17:24	11/6/24	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-387	52.05	-7	-7	94	D
9/17/24 16:11	9/13/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	M.d	45	14.95	3	1	223	D
9/17/24 16:11	9/13/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	S.d	-145	48.26	-3	-1	223	D
9/16/24 19:09	9/13/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhang Jack Y.	CA	DOT	CEO,Chie	M.d	1,469	14.69	100	1	10,691	D
9/6/24 19:48	9/5/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-139	46.47	-3	-4	75	D
8/27/24 21:33	8/26/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	M.d	60	14.95	4	2	223	D
8/27/24 21:33	8/26/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	SENIOR E	S.d	-193	48.35	-4	-2	223	D
8/13/24 17:58	8/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		M.d	339	19.83	17	101	34	D
8/13/24 17:58	8/12/24	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.d	-737	43.07	-17	-33	34	D
8/2/24 16:32	7/31/24	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	208	20.23	10	12	94	D
8/2/24 16:32	7/31/24	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-455	44.23	-10	-10	94	D
6/28/24 16:26	6/27/24	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S	-147	40.93	-4	-4	94	D
6/11/24 18:35	6/10/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhang Jack Y.	CA	DOT	CEO,Chie	M.d	1,469	14.69	100	1	10,591	D
6/11/24 18:32	6/10/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-124	41.40	-3	-4	78	D
6/5/24 18:54	6/3/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S.d	-21	42.65	-1	-1	81	D
5/2/24 16:56	5/1/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-21	41.67	-1	-1	79	D
4/2/24 21:31	4/1/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-22	43.43	-1	-1	79	D
3/19/24 18:55	3/15/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zhang Jack Y.	CA	DOT	CEO,Chie	M.d	12,871	12.46	1,033	11	10,491	M
3/8/24 16:52	3/6/24	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	100	11.33	9	9	109	D
3/8/24 16:52	3/6/24	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-843	46.48	-18	-14	109	D
3/6/24 17:57	3/5/24	AMPH	Health	Drug	Pharmaceutical Preparations	Zasloff Michael A	CA	D		S	-590	47.18	-13	-37	21	D
3/4/24 20:35	3/1/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-23	45.69	-1	-1	80	D
2/2/24 19:37	2/1/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-27	53.10	-1	-1	80	D
1/11/24 16:37	1/10/24	AMPH	Health	Drug	Pharmaceutical Preparations	Luo Mary Z.	CA	DOT	COO,Chie	S	-7,172	54.59	-131	-1	10,016	D
1/10/24 18:27	1/8/24	AMPH	Health	Drug	Pharmaceutical Preparations	Luo Mary Z.	CA	DOT	COO,Chie	S.m	-12,799	58.23	-220	-2	10,147	D
1/3/24 19:25	1/2/24	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-31	61.37	-1	-1	81	D
12/5/23 18:25	12/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	Senior E	M.dm	119	15.20	8	4	217	D
12/5/23 18:25	12/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	Senior E	S.dm	-462	59.03	-8	-3	217	D
12/4/23 20:49	12/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-29	57.90	-1	-1	81	D
11/20/23 17:23	11/17/23	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-223	55.86	-4	-11	31	D
11/16/23 16:05	11/14/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	925	15.61	59	141	101	D
11/16/23 16:05	11/14/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-3,298	55.67	-59	-37	101	D
11/15/23 16:31	11/13/23	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-263	52.50	-5	-12	36	D
11/15/23 16:30	11/14/23	AMPH	Health	Drug	Pharmaceutical Preparations	Deflin Gayle	CA	D		S	-231	55.45	-4	-61	3	D
11/2/23 20:37	11/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-23	45.30	-1	-1	82	D
10/3/23 18:38	10/2/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-23	45.78	-1	-1	82	D
9/8/23 16:08	9/6/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	957	16.93	57	126	101	D
9/8/23 16:08	9/6/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-3,143	51.75	-61	-37	101	D
8/29/23 18:54	8/28/23	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	M.d	428	14.86	29	67	72	D
8/29/23 18:54	8/28/23	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	S.d	-1,531	53.13	-29	-29	72	D
8/21/23 16:05	8/18/23	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-105	52.50	-2	-5	41	D
8/16/23 20:23	8/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zasloff Michael A	CA	D		S	-730	57.22	-13	-27	34	D
8/16/23 20:22	8/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-239	57.39	-4	-9	43	D
6/21/23 17:05	6/20/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	EVP,Prod	M.d	109	11.33	10	5	217	D
6/20/23 16:05	6/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	EVP,Prod	M.d	284	14.64	19	10	207	D
6/20/23 16:05	6/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	EVP,Prod	S.d	-259	51.79	-5	-2	207	D
6/20/23 16:01	6/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	730	19.79	37	54	106	D
6/20/23 16:01	6/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-1,875	50.85	-37	-26	106	D
6/14/23 17:36	6/13/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	EVP,Prod	M.d	72	14.40	5	3	193	D
6/14/23 17:36	6/13/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	EVP,Prod	S.d	-241	48.24	-5	-3	193	D
6/5/23 17:06	6/2/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	147	13.35	11	12	106	D
6/5/23 17:06	6/2/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-510	46.35	-11	-9	106	D
6/5/23 16:18	6/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Lee Howard	CA	D		M.d	278	16.69	17	13	143	D
6/5/23 16:18	6/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Lee Howard	CA	D		S.d	-751	45.02	-17	-10	143	D
5/22/23 18:49	5/18/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	140	13.35	11	11	105	D
5/22/23 18:49	5/18/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-466	44.35	-11	-9	105	D
5/19/23 18:36	5/18/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	EVP,Prod	M.d	144	14.40	10	5	192	D
5/19/23 18:36	5/18/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zhou Rong	CA	O	EVP,Prod	S.d	-442	44.21	-10	-5	192	D
5/19/23 18:30	5/18/23	AMPH	Health	Drug	Pharmaceutical Preparations	Deflin Gayle	CA	D		S	-199	44.01	-5	-52	4	D
5/18/23 16:52	5/17/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-216	43.13	-5	-6	80	D
5/17/23 16:05	5/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Deflin Gayle	CA	D		S	-65	43.15	-2	-15	9	D
5/16/23 20:01	5/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Zasloff Michael A	CA	D		S	-316	42.18	-8	-15	44	D
5/16/23 19:59	5/12/23	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		M.dm	167	16.69	10	29	44	D
5/16/23 19:59	5/12/23	AMPH	Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.dm	-428	42.78	-10	-18	44	D
4/18/23 20:07	4/17/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	75	13.35	6	6	105	D
4/18/23 20:07	4/17/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-239	42.35	-6	-5	105	D
4/14/23 17:50	4/13/23	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	M.d	233	20.23	11	19	72	D
4/14/23 17:50	4/13/23	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	S.d	-478	41.57	-11	-14	72	D
4/14/23 17:48	4/13/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	65	13.35	5	5	105	D
4/14/23 17:48	4/13/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-206	42.35	-5	-4	105	D
4/12/23 17:22	4/10/23	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	M.d	101	20.23	5	7	72	D
4/12/23 17:22	4/10/23	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	DO	EVP Corp	S.d	-200	40.00	-5	-7	72	D
4/12/23 17:21	4/10/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	M.d	134	13.35	10	11	105	D
4/12/23 17:21	4/10/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	DO	CFO,EVP,	S.d	-405	40.35	-10	-9	105	D
4/4/23 19:12	4/3/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-19	37.72	0	-1	85	D
3/17/23 19:03	3/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	O	CFO,EVP,	M.d	100	14.95	7	6	114	D
3/17/23 19:03	3/15/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	O	CFO,EVP,	S.d	-465	36.43	-13	-10	114	D
3/3/23 16:47	3/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	O	CFO,EVP,	M.d	124	11.33	11	12	101	D
3/3/23 16:47	3/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	O	CFO,EVP,	S.d	-399	36.33	-11	-10	101	D
3/2/23 19:33	3/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-18	36.70	-1	-1	86	D
2/2/23 16:44	2/1/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-15	30.35	-1	-1	86	D
1/4/23 16:01	1/3/23	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-14	27.94	-1	-1	87	D
12/2/22 16:24	12/1/22	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-15	30.13	-1	-1	87	D
11/2/22 16:01	11/1/22	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-16	31.13	-1	-1	88	D
10/4/22 19:12	10/3/22	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-14	28.59	-1	-1	88	D
9/2/22 19:45	9/1/22	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-15	29.44	-1	-1	89	D
8/10/22 19:34	8/9/22	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	O	CFO,EVP,	M.d	134	13.35	10	11	100	D
8/10/22 19:34	8/9/22	AMPH	Health	Drug	Pharmaceutical Preparations	Peters William J	CA	O	CFO,EVP,	S.d	-384	38.35	-10	-9	100	D
8/10/22 17:04	8/8/22	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	O	EVP Corp	M.dm	159	19.79	8	14	64	D
8/10/22 17:04	8/8/22	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	O	EVP Corp	S.dm	-309	38.38	-8	-11	64	D
8/2/22 17:02	8/1/22	AMPH	Health	Drug	Pharmaceutical Preparations	Petersen Floyd F.	CA	D		S	-19	37.48	-1	-1	89	D
7/19/22 17:19	7/18/22	AMPH	Health	Drug	Pharmaceutical Preparations	Gerst Diane G.	CA	D		M.d	31	20.08	2	13	13	D
7/19/22 17:19	7/18/22	AMPH	Health	Drug	Pharmaceutical Preparations	Gerst Diane G.	CA	D		S.d	-57	37.23	-2	-11	13	D
7/18/22 18:13	7/15/22	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	O	EVP Corp	M.d	214	19.79	11	20	64	D
7/18/22 18:13	7/15/22	AMPH	Health	Drug	Pharmaceutical Preparations	Liawatidewi Yakob	CA	O	EVP Corp	S.d	-397	36.64	-11	-14	64	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

TC

Stat

Stk

Ins

Fil

+d

+w

+m

+q

+h

+y

avg

Filing Date

T Date

Ticker

Sector

Ind

Industry

Owner

oSt

Rel

Title

T

TVal

Price

L

Qty

oc

Own

H

r2y

r1y

r6m

r3m

r6w

r3w

r7d

r3d

f1d

f1w

f1m

f3m

f6m

f1y