Insider · CIK 0001265123

DUBIN STEVE

Reports to the SEC for 2 companies · BOSTON, MA

sec.gov

Transactions

Companies

Filings

CIK

0001265123

Forms 4 and 5

Insider transactions

49 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+4,200 sh	—	—	4,200
2025-06-11	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+26.4K sh	—	—	26,400
2025-06-11	ACETAdicet Bio, Inc.A Award	Director	AAward	+5,900 sh	—	—	22,700
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+18.5K sh	—	—	18,500
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−18.5K sh	—	—	0
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+18.5K sh	—	—	18,500
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−26.4K sh	—	—	0
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+26.4K sh	—	—	26,400
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−30K sh	—	—	0
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+30K sh	—	—	30,000
2024-08-21	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−18.5K sh	—	—	0
2024-06-05	ACETAdicet Bio, Inc.A Award	Director	AAward	+5,900 sh	—	—	16,800
2024-06-05	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+26.4K sh	—	—	26,400
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−26.4K sh	—	—	0
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+18.5K sh	—	—	18,500
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−18.5K sh	—	—	0
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+26.4K sh	—	—	26,400
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−18.5K sh	—	—	0
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+30K sh	—	—	30,000
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−30K sh	—	—	0
2023-08-14	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+18.5K sh	—	—	18,500
2023-06-30	ACETAdicet Bio, Inc.P Purchase	Director	PPurchase	+5,000 sh	$2.40	+$12K	10,900
2023-06-01	ACETAdicet Bio, Inc.A Award	Director	AAward	+5,900 sh	—	—	5,900
2023-06-01	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+26.4K sh	—	—	26,400
2022-06-02	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+18.5K sh	—	—	18,500
2021-04-30	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+18.5K sh	—	—	18,500
2020-09-17	ACETAdicet Bio, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+30K sh	—	—	30,000
2011-02-25	MARTEK BIOSCIENCES CORPD Disposition to Issuer	Director, Chief Executive Officer	DDisposition to Issuer	−52.2K sh	$31.50	−$1.65M	0
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,199 sh	—	—	0
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−13K sh	—	—	0
2011-02-25	MARTEK BIOSCIENCES CORPA Award	Director, Chief Executive Officer	AAward	+52.2K sh	—	—	52,247
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−24.3K sh	—	—	0
2011-02-25	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,777 sh	—	—	0
2011-02-25	MARTEK BIOSCIENCES CORPStock Option (right to buy)D Disposition to Issuer	Director, Chief Executive Officer	DDisposition to Issuer	−25.4K sh	$14.32	−$364K	0
2011-02-18	MARTEK BIOSCIENCES CORPU Disposition from Tender	Director, Chief Executive Officer	UDisposition from Tender	−32.5K sh	$31.50	−$1.02M	0
2010-07-07	MARTEK BIOSCIENCES CORPP Purchase	Director, Chief Executive Officer	PPurchase	+2,000 sh	$20.96	+$41.9K	32,462
2010-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−3,239 sh	—	—	12,959
2010-03-19	MARTEK BIOSCIENCES CORPM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+9,431 sh	—	—	33,551
2010-03-19	MARTEK BIOSCIENCES CORPF Tax Payment	Director, Chief Executive Officer	FTax Payment	−3,089 sh	$23.88	−$73.8K	30,462
2010-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−3,600 sh	—	—	7,199
2010-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−2,592 sh	—	—	7,777
2010-01-14	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Director, Chief Executive Officer	AAward	+24K sh	—	—	24,017
2010-01-14	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Director, Chief Executive Officer	AAward	+24.3K sh	—	—	24,312
2009-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−2,592 sh	—	—	10,369
2009-03-19	MARTEK BIOSCIENCES CORPF Tax Payment	Director, Chief Executive Officer	FTax Payment	−2,131 sh	$17.07	−$36.4K	24,120
2009-03-19	MARTEK BIOSCIENCES CORPM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+6,191 sh	—	—	26,251
2009-03-19	MARTEK BIOSCIENCES CORPRestricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−3,599 sh	—	—	10,799
2009-01-15	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Director, Chief Executive Officer	AAward	+16.2K sh	—	—	16,198
2008-01-17	MARTEK BIOSCIENCES CORPRestricted Stock UnitsA Award	Director, Chief Executive Officer	AAward	+13K sh	—	—	12,961

Recent filings

Accepted (ET)
Jun 234
DUBIN STEVE0001265123-26-000001
SEC(opens sec.gov)
Jun 134
DUBIN STEVE0000950170-25-086160
SEC(opens sec.gov)
Aug 234
DUBIN STEVE0000950170-24-100174
SEC(opens sec.gov)
Jun 74
DUBIN STEVE0000950170-24-070608
SEC(opens sec.gov)
Aug 164
DUBIN STEVE0001209191-23-046094
SEC(opens sec.gov)

Companies

Address

C/O ADICET BIO, INC. 131 DARTMOUTH STREET, FLOOR 3

BOSTON, MA, 02116