Insider · CIK 0001557290

Arbuckle Stuart A

Reports to the SEC for 6 companies · BOSTON, MA

sec.gov

Transactions

Companies

Filings

CIK

0001557290

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-24	RYTMRHYTHM PHARMACEUTICALS, INC. · Restricted Stock UnitsA Award	Director	AAward	+2,324 sh	—	—	2,324
2026-06-24	RYTMRHYTHM PHARMACEUTICALS, INC. · Stock Option (right to buy)A Award	Director	AAward	+3,691 sh	—	—	3,691
2026-06-23	RYTMRHYTHM PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+4,712 sh	—	—	11,712
2026-06-23	RYTMRHYTHM PHARMACEUTICALS, INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−4,712 sh	—	—	0
2026-06-10	PRAXPraxis Precision Medicines, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+648 sh	—	—	648
2026-06-10	PRAXPraxis Precision Medicines, Inc.A Award	Director	AAward	+1,371 sh	—	—	2,537
2026-05-20	ALNYALNYLAM PHARMACEUTICALS, INC.A Award	Director	AAward	+671 sh	—	—	671
2026-05-20	ALNYALNYLAM PHARMACEUTICALS, INC. · Stock Option (Right to Buy)A Award	Director	AAward	+1,441 sh	—	—	1,441
2026-02-06	PRAXPraxis Precision Medicines, Inc.A Award	Director	AAward	+688 sh	—	—	688
2026-02-06	PRAXPraxis Precision Medicines, Inc.A Award	Director	AAward	+478 sh	—	—	1,166
2026-02-06	PRAXPraxis Precision Medicines, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+224 sh	—	—	224
2026-01-05	ALNYALNYLAM PHARMACEUTICALS, INC. · Stock Option (right to buy)A Award	Director	AAward	+3,279 sh	—	—	3,279
2025-07-01	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−37.2K sh	$450.23	−$16.8M	63,368
2025-06-24	RYTMRHYTHM PHARMACEUTICALS, INC. · Restricted Stock UnitsA Award	Director	AAward	+4,712 sh	—	—	4,712
2025-06-24	RYTMRHYTHM PHARMACEUTICALS, INC. · Stock Option (right to buy)A Award	Director	AAward	+7,037 sh	—	—	7,037
2025-06-18	RYTMRHYTHM PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+4,000 sh	—	—	7,000
2025-06-18	RYTMRHYTHM PHARMACEUTICALS, INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−4,000 sh	—	—	0
2025-05-13	VRTXVERTEX PHARMACEUTICALS INC / MAA Award	EVP, COO	AAward	+37.6K sh	—	—	100,611
2025-02-26	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−7,071 sh	$479.61	−$3.39M	62,935
2025-02-24	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−4,716 sh	$483.28	−$2.28M	70,006
2025-02-14	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−2,724 sh	$463.46	−$1.26M	74,722
2025-02-12	VRTXVERTEX PHARMACEUTICALS INC / MAA Award	EVP, COO	AAward	+7,903 sh	—	—	77,446
2025-02-10	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−3,220 sh	$467.98	−$1.51M	69,543
2025-02-04	VRTXVERTEX PHARMACEUTICALS INC / MAA Award	EVP, COO	AAward	+8,448 sh	—	—	72,763
2025-02-04	VRTXVERTEX PHARMACEUTICALS INC / MAA Award	EVP, COO	AAward	+14.6K sh	—	—	64,315
2024-06-21	RYTMRHYTHM PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+3,000 sh	—	—	3,000
2024-06-21	RYTMRHYTHM PHARMACEUTICALS, INC. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−3,000 sh	—	—	0
2024-06-18	RYTMRHYTHM PHARMACEUTICALS, INC. · Stock Option (right to buy)A Award	Director	AAward	+14K sh	—	—	14,000
2024-06-18	RYTMRHYTHM PHARMACEUTICALS, INC. · Restricted Stock UnitsA Award	Director	AAward	+4,000 sh	—	—	4,000
2024-05-15	VRTXVERTEX PHARMACEUTICALS INC / MAS Sale	EVP, COO	SSale	−69 sh	$430.93	−$29.7K	49,691
2024-02-26	VRTXVERTEX PHARMACEUTICALS INC / MAS Sale	EVP, COO	SSale	−5,034 sh	$425.70	−$2.14M	49,691
2024-02-23	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−4,714 sh	$431.79	−$2.04M	54,725
2024-02-21	VRTXVERTEX PHARMACEUTICALS INC / MAS Sale	EVP, COO	SSale	−3,603 sh	$421.77	−$1.52M	59,439
2024-02-20	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−3,373 sh	$420.58	−$1.42M	67,846
2024-02-20	VRTXVERTEX PHARMACEUTICALS INC / MAS Sale	EVP, COO	SSale	−4,804 sh	$420.79	−$2.02M	63,042
2024-02-16	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−4,499 sh	$424.01	−$1.91M	71,219
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−50K sh	—	—	0
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−18K sh	—	—	0
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−15.8K sh	—	—	0
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−4,167 sh	—	—	0
2024-02-12	ImmunoGen, Inc.Deferred Share UnitD Disposition to Issuer	Director	DDisposition to Issuer	−63K sh	—	—	0
2024-02-12	ImmunoGen, Inc.Restricted Stock UnitD Disposition to Issuer	Director	DDisposition to Issuer	−13.1K sh	—	—	0
2024-02-12	ImmunoGen, Inc.D Disposition to Issuer	Director	DDisposition to Issuer	−5,381 sh	—	—	0
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−44K sh	—	—	0
2024-02-12	VRTXVERTEX PHARMACEUTICALS INC / MAS Sale	EVP, COO	SSale	−4,295 sh	$420.24	−$1.8M	75,718
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−18K sh	—	—	0
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−44K sh	—	—	0
2024-02-12	ImmunoGen, Inc.Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−19.6K sh	—	—	0
2024-02-09	VRTXVERTEX PHARMACEUTICALS INC / MAF Tax Payment	EVP, COO	FTax Payment	−3,177 sh	$422.74	−$1.34M	80,013
2024-02-07	VRTXVERTEX PHARMACEUTICALS INC / MAA Award	EVP, COO	AAward	+8,448 sh	—	—	83,190

Recent filings

Accepted (ET)
Jun 254
Arbuckle Stuart A0001104659-26-077863
SEC(opens sec.gov)
Jun 124
Arbuckle Stuart A0001689548-26-000064
SEC(opens sec.gov)
May 224
Arbuckle Stuart A0001178670-26-000034
SEC(opens sec.gov)
Feb 104
Arbuckle Stuart A0001689548-26-000018
SEC(opens sec.gov)
Jan 74
Arbuckle Stuart A0001735276-26-000005
SEC(opens sec.gov)
Jul 24
Arbuckle Stuart A0000875320-25-000204
SEC(opens sec.gov)
Jun 264
Arbuckle Stuart A0001104659-25-063071
SEC(opens sec.gov)
Jun 234
Arbuckle Stuart A0001104659-25-061710
SEC(opens sec.gov)
May 154
Arbuckle Stuart A0000875320-25-000196
SEC(opens sec.gov)
Feb 284
Arbuckle Stuart A0000875320-25-000124
SEC(opens sec.gov)
Feb 264
Arbuckle Stuart A0000875320-25-000105
SEC(opens sec.gov)

Companies

Address

C/O RHYTHM PHARMACEUTICALS, INC. 222 BERKELEY STREET, 12TH FLOOR

BOSTON, MA, 02116