Insider · CIK 0001379941

Lee Howard

Reports to the SEC for 2 companies · RANCHO CUCAMONGA, CA

sec.gov

Transactions

Companies

Filings

CIK

0001379941

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-02	AMPHAmphastar Pharmaceuticals, Inc.F Tax Payment	Director	FTax Payment	−769 sh	$18.45	−$14.2K	159,350
2026-06-01	AMPHAmphastar Pharmaceuticals, Inc.A Award	Director	AAward	+8,143 sh	—	—	160,119
2026-06-01	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)A Award	Director	AAward	+17.4K sh	—	—	17,365
2025-06-03	AMPHAmphastar Pharmaceuticals, Inc.F Tax Payment	Director	FTax Payment	−923 sh	$26.01	−$24K	151,976
2025-06-02	AMPHAmphastar Pharmaceuticals, Inc.A Award	Director	AAward	+5,122 sh	—	—	152,899
2025-06-02	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)A Award	Director	AAward	+11.4K sh	—	—	11,402
2024-06-05	AMPHAmphastar Pharmaceuticals, Inc.F Tax Payment	Director	FTax Payment	−579 sh	$42.04	−$24.3K	147,777
2024-06-03	AMPHAmphastar Pharmaceuticals, Inc.A Award	Director	AAward	+3,076 sh	—	—	148,356
2024-06-03	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)A Award	Director	AAward	+6,864 sh	—	—	6,864
2023-06-10	AMPHAmphastar Pharmaceuticals, Inc.F Tax Payment	Director	FTax Payment	−375 sh	$45.67	−$17.1K	145,280
2023-06-05	AMPHAmphastar Pharmaceuticals, Inc.A Award	Director	AAward	+2,716 sh	—	—	145,655
2023-06-05	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)A Award	Director	AAward	+7,016 sh	—	—	7,016
2023-06-01	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+16.7K sh	$16.69	+$278K	159,618
2023-06-01	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−16.7K sh	$45.02	−$751K	142,939
2023-06-01	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−16.7K sh	—	—	0
2022-06-10	AMPHAmphastar Pharmaceuticals, Inc.A Award	Director	AAward	+4,163 sh	—	—	142,939
2022-06-10	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)A Award	Director	AAward	+11K sh	—	—	10,984
2022-06-06	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+10.3K sh	$17.11	+$176K	149,067
2022-06-06	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−10.3K sh	$37.79	−$389K	138,776
2022-06-06	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−10.3K sh	—	—	0
2022-05-23	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+10K sh	$17.11	+$171K	148,776
2022-05-23	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−10K sh	$34.93	−$349K	138,776
2022-05-23	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−10K sh	—	—	10,291
2021-06-12	AMPHAmphastar Pharmaceuticals, Inc.F Tax Payment	Director	FTax Payment	−157 sh	$19.92	−$3,127.44	138,776
2021-06-08	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+8,000 sh	$16.43	+$131K	146,933
2021-06-08	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−8,000 sh	$19.31	−$155K	138,933
2021-06-08	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−8,000 sh	—	—	0
2021-06-07	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+7,827 sh	$16.43	+$129K	140,741
2021-06-07	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−7,827 sh	$19.28	−$151K	132,914
2021-06-07	AMPHAmphastar Pharmaceuticals, Inc.A Award	Director	AAward	+6,019 sh	—	—	138,933
2021-06-07	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−7,827 sh	—	—	8,000
2021-06-07	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)A Award	Director	AAward	+17.2K sh	—	—	17,182
2021-05-20	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+10K sh	$16.43	+$164K	142,914
2021-05-20	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−10K sh	$19.74	−$197K	132,914
2021-05-20	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−10K sh	—	—	15,827
2020-06-12	AMPHAmphastar Pharmaceuticals, Inc.F Tax Payment	Director	FTax Payment	−355 sh	$19.58	−$6,950.9	132,914
2020-06-08	AMPHAmphastar Pharmaceuticals, Inc.A Award	Director	AAward	+5,851 sh	—	—	133,269
2020-06-08	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)A Award	Director	AAward	+16K sh	—	—	16,004
2020-06-07	AMPHAmphastar Pharmaceuticals, Inc.F Tax Payment	Director	FTax Payment	−663 sh	$19.52	−$12.9K	127,418
2020-05-26	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+10K sh	$15.11	+$151K	138,081
2020-05-26	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−10K sh	$18.60	−$186K	128,081
2020-05-26	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−10K sh	—	—	0
2020-05-22	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+10K sh	$15.11	+$151K	138,081
2020-05-22	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−10K sh	$18.36	−$184K	128,081
2020-05-22	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−10K sh	—	—	10,000
2020-05-21	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+10K sh	$15.11	+$151K	138,081
2020-05-21	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−10K sh	$18.47	−$185K	128,081
2020-05-21	AMPHAmphastar Pharmaceuticals, Inc. · Stock Option (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−10K sh	—	—	20,000
2020-05-20	AMPHAmphastar Pharmaceuticals, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+17.8K sh	$15.11	+$269K	145,863
2020-05-20	AMPHAmphastar Pharmaceuticals, Inc.S Sale	Director	SSale	−17.8K sh	$18.43	−$328K	128,081

Recent filings

Accepted (ET)
Jun 34
Lee Howard0001379941-26-000003
SEC(opens sec.gov)
Jun 44
Lee Howard0001415889-25-015686
SEC(opens sec.gov)
Jun 54
Lee Howard0001415889-24-015689
SEC(opens sec.gov)
Jun 124
Lee Howard0001104659-23-070331
SEC(opens sec.gov)
Jun 74
Lee Howard0001104659-23-068975
SEC(opens sec.gov)
Jun 54
Lee Howard0001104659-23-068054
SEC(opens sec.gov)
Jun 144
Lee Howard0001104659-22-071077
SEC(opens sec.gov)
Jun 74
Lee Howard0001104659-22-069072
SEC(opens sec.gov)

Companies

Address

C/O AMPHASTAR PHARMACEUTICALS, INC. 11570 6TH STREET

RANCHO CUCAMONGA, CA, 91730