Prins Richard K - Insider Stock Trading - OpenInsider

CIK: 1047579 - Address: C/o Amphastar Pharmaceuticals, Inc., 11570 6Th Street, Rancho Cucamonga, CA 91730

9 results

TC	Stat	Stk	Ins	Fil	+d	+w	+m	+q	+h	+y	avg

Filing Date	T Date	Ticker	Issuer	Inc	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
11/25/25 19:38	11/25/25	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.d	-113	27.10	0	-4	-11	35	D
12/11/24 20:28	12/9/24	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.d	-438	43.77	0	-10	-25	30	D
11/13/24 18:55	11/12/24	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.d	-244	48.80	0	-5	-14	30	D
8/13/24 17:58	8/12/24	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.d	-737	43.07	0	-17	-33	34	D
11/20/23 17:23	11/17/23	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-223	55.86	0	-4	-11	31	D
11/15/23 16:31	11/13/23	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-263	52.50	0	-5	-12	36	D
8/21/23 16:05	8/18/23	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-105	52.50	0	-2	-5	41	D
8/16/23 20:22	8/15/23	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S	-239	57.39	0	-4	-9	43	D
5/16/23 19:59	5/12/23	AMPH	Amphastar Pharmaceuticals, Inc.		Health	Drug	Pharmaceutical Preparations	Prins Richard K	CA	D		S.dm	-428	42.78	0	-10	-18	44	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

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