Insider · CIK 0001643875

Braunstein Scott

Reports to the SEC for 11 companies · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0001643875

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-11	ATAIAtaiBeckley Inc. · Stock OptionD Disposition to Issuer	Director	DDisposition to Issuer	−206K sh	—	—	0
2026-09-11	ATAIAtaiBeckley Inc. · Stock OptionD Disposition to Issuer	Director	DDisposition to Issuer	−208K sh	—	—	0
2026-09-11	ATAIAtaiBeckley Inc. · Stock OptionD Disposition to Issuer	Director	DDisposition to Issuer	−56.8K sh	—	—	0
2026-09-11	ATAIAtaiBeckley Inc. · Stock OptionD Disposition to Issuer	Director	DDisposition to Issuer	−103K sh	—	—	0
2026-06-04	ATAIAtaiBeckley Inc. · Stock OptionA Award	Director	AAward	+122K sh	—	—	121,968
2026-06-04	ATAIAtaiBeckley Inc. · Stock OptionA Award	Director	AAward	+86.1K sh	—	—	86,095
2026-03-03	RAPTRAPT Therapeutics, Inc. · Director Stock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−25K sh	—	—	0
2026-03-03	RAPTRAPT Therapeutics, Inc.U Disposition from Tender	Director	UDisposition from Tender	−4,956 sh	—	—	0
2026-02-20	CRBUCaribou Biosciences, Inc. · Option to purchase Common StockA Award	Director	AAward	+45K sh	—	—	45,000
2026-01-30	RAPTRAPT Therapeutics, Inc.A Award	Director	AAward	+4,956 sh	—	—	4,956
2025-11-04	ATAIAtai Beckley N.V. · Stock OptionA Award	Director	AAward	+56.8K sh	—	—	56,818
2025-06-26	ATAIAtai Beckley N.V. · Stock OptionA Award	Director	AAward	+103K sh	—	—	103,000
2025-06-21	RAPTRAPT Therapeutics, Inc. · Director Stock Option (right to buy)A Award	Director	AAward	+25K sh	—	—	25,000
2025-02-20	CRBUCaribou Biosciences, Inc. · Option to purchase Common StockA Award	Director	AAward	+40.5K sh	—	—	40,500
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−360K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−336K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−290K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−168K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−180K sh	$0.55	−$98.7K	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−450K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−200K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−15.9K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−193K sh	—	—	0
2025-02-11	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−7,500 sh	—	—	0
2025-02-07	MARINUS PHARMACEUTICALS, INC.D Disposition to Issuer	Director, CHAIRMAN AND CEO	DDisposition to Issuer	−125K sh	$0.55	−$68.8K	179,536
2024-08-14	MARINUS PHARMACEUTICALS, INC.P Purchase	Director, CHAIRMAN AND CEO	PPurchase	+5,933 sh	$1.10	+$6,526.3	304,600
2024-08-05	MARINUS PHARMACEUTICALS, INC.S Sale	Director, CHAIRMAN AND CEO	SSale	−12.1K sh	$1.13	−$13.7K	298,667
2024-06-18	MARINUS PHARMACEUTICALS, INC.A Award	Director, CHAIRMAN AND CEO	AAward	+37.3K sh	—	—	310,812
2024-06-18	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)A Award	Director, CHAIRMAN AND CEO	AAward	+168K sh	—	—	167,825
2024-06-13	ATAIAtai Beckley N.V. · Stock OptionA Award	Director	AAward	+206K sh	—	—	206,000
2024-06-13	TREVENA INCStock Option (Right to Buy)A Award	Director	AAward	+13.7K sh	—	—	13,700
2024-03-27	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)M Exercise/Conversion	Director, CHAIRMAN AND CEO	MExercise/Conversion	−50K sh	—	—	200,000
2024-03-27	MARINUS PHARMACEUTICALS, INC.M Exercise/Conversion	Director, CHAIRMAN AND CEO	MExercise/Conversion	+50K sh	$4.28	+$214K	273,512
2024-02-20	CRBUCaribou Biosciences, Inc. · Option to purchase Common StockA Award	Director	AAward	+39.5K sh	—	—	39,500
2024-02-16	MARINUS PHARMACEUTICALS, INC.S Sale	Director, CHAIRMAN AND CEO	SSale	−11.9K sh	$9.94	−$118K	223,512
2024-01-18	MARINUS PHARMACEUTICALS, INC.A Award	Director, CHAIRMAN AND CEO	AAward	+74.6K sh	—	—	235,362
2024-01-18	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)A Award	Director, CHAIRMAN AND CEO	AAward	+336K sh	—	—	335,650
2023-08-08	MARINUS PHARMACEUTICALS, INC.S Sale	Director, CHAIRMAN AND CEO	SSale	−30 sh	$8.94	−$268.2	160,762
2023-08-07	MARINUS PHARMACEUTICALS, INC.S Sale	Director, CHAIRMAN AND CEO	SSale	−6,413 sh	$9.55	−$61.2K	160,792
2023-06-15	TREVENA INCStock Option (Right to Buy)A Award	Director	AAward	+13.7K sh	—	—	13,700
2023-02-21	CRBUCaribou Biosciences, Inc. · Option to purchase Common StockA Award	Director	AAward	+21.5K sh	—	—	21,500
2023-01-26	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)A Award	Director, CHAIRMAN AND CEO	AAward	+360K sh	—	—	360,000
2023-01-26	MARINUS PHARMACEUTICALS, INC.A Award	Director, CHAIRMAN AND CEO	AAward	+80K sh	—	—	167,205
2022-06-09	TREVENA INCStock Option (Right to Buy)A Award	Director	AAward	+100K sh	—	—	100,000
2022-05-24	MARINUS PHARMACEUTICALS, INC.A Award	Director, CHAIRMAN AND CEO	AAward	+19.3K sh	—	—	87,205
2022-02-04	MARINUS PHARMACEUTICALS, INC.A Award	Director, CHAIRMAN AND CEO	AAward	+42.9K sh	—	—	67,900
2022-02-04	MARINUS PHARMACEUTICALS, INC.Stock Option (Right to Buy)A Award	Director, CHAIRMAN AND CEO	AAward	+193K sh	—	—	193,050
2021-12-20	CRBUCaribou Biosciences, Inc. · Option to purchase Common StockA Award	Director	AAward	+27.5K sh	—	—	27,500
2021-07-15	CONSTELLATION PHARMACEUTICALS INCStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−13.2K sh	—	—	0
2021-07-15	CONSTELLATION PHARMACEUTICALS INCStock Option (right to buy)D Disposition to Issuer	Director	DDisposition to Issuer	−26.3K sh	—	—	0

Recent filings

Accepted (ET)
Sep 114
Braunstein Scott0001140361-26-036380
SEC(opens sec.gov)
Jun 84
Braunstein Scott0001140361-26-024526
SEC(opens sec.gov)
Mar 54
Braunstein Scott0001643875-26-000006
SEC(opens sec.gov)
Feb 204
Braunstein Scott0001643875-26-000004
SEC(opens sec.gov)
Feb 24
Braunstein Scott0001643875-26-000002
SEC(opens sec.gov)
Nov 64
Braunstein Scott0001140361-25-040852
SEC(opens sec.gov)
Jun 274
Braunstein Scott0001140361-25-024018
SEC(opens sec.gov)
Jun 244
Braunstein Scott0001415889-25-018080
SEC(opens sec.gov)
Feb 214
Braunstein Scott0001643875-25-000003
SEC(opens sec.gov)
Feb 114
Braunstein Scott0001104659-25-011239
SEC(opens sec.gov)

Companies

Address

C/O ATAI LIFE SCIENCES US, INC. C/O INDUSTRIOUS NYC, 250 WEST 34TH ST

NEW YORK, NY, 10119