Insider · CIK 0001711352

PENG STANFORD L

Reports to the SEC for 1 company · SEATTLE, WA

sec.gov

Transactions

Companies

Filings

CIK

0001711352

Forms 4 and 5

Insider transactions

40 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2024-05-20	ALPINE IMMUNE SCIENCES, INC.D Disposition to Issuer	See Remarks	DDisposition to Issuer	−296K sh	—	—	48,000
2024-05-20	ALPINE IMMUNE SCIENCES, INC.D Disposition to Issuer	See Remarks	DDisposition to Issuer	−48K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−42.4K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−237K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−71.9K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−50K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−81.1K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−143K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−215K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−150K sh	—	—	0
2024-05-20	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)D Disposition to Issuer	See Remarks	DDisposition to Issuer	−120K sh	—	—	0
2024-05-08	ALPINE IMMUNE SCIENCES, INC.M Exercise/Conversion	See Remarks	MExercise/Conversion	+7,025 sh	$13.20	+$92.7K	79,396
2024-05-08	ALPINE IMMUNE SCIENCES, INC.M Exercise/Conversion	See Remarks	MExercise/Conversion	+3,126 sh	$6.51	+$20.4K	82,522
2024-05-08	ALPINE IMMUNE SCIENCES, INC.M Exercise/Conversion	See Remarks	MExercise/Conversion	+37.3K sh	$0.65	+$24.2K	119,789
2024-05-08	ALPINE IMMUNE SCIENCES, INC.M Exercise/Conversion	See Remarks	MExercise/Conversion	+161K sh	$0.65	+$105K	281,281
2024-05-08	ALPINE IMMUNE SCIENCES, INC.M Exercise/Conversion	See Remarks	MExercise/Conversion	+22.6K sh	$11.31	+$256K	303,874
2024-05-08	ALPINE IMMUNE SCIENCES, INC.M Exercise/Conversion	See Remarks	MExercise/Conversion	+26.9K sh	$3.23	+$86.9K	330,786
2024-05-08	ALPINE IMMUNE SCIENCES, INC.M Exercise/Conversion	See Remarks	MExercise/Conversion	+13.4K sh	$6.33	+$84.7K	344,163
2024-05-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−7,025 sh	—	—	142,975
2024-05-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−3,126 sh	—	—	71,874
2024-05-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−37.3K sh	—	—	0
2024-05-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−161K sh	—	—	0
2024-05-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−22.6K sh	—	—	42,407
2024-05-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−26.9K sh	—	—	81,088
2024-05-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)M Exercise/Conversion	See Remarks	MExercise/Conversion	−13.4K sh	—	—	236,623
2024-01-04	ALPINE IMMUNE SCIENCES, INC.A Award	See Remarks	AAward	+48K sh	—	—	72,371
2024-01-04	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)A Award	See Remarks	AAward	+120K sh	—	—	120,000
2023-01-04	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)A Award	See Remarks	AAward	+150K sh	—	—	150,000
2022-01-04	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)A Award	See Remarks	AAward	+215K sh	—	—	215,000
2021-01-05	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)A Award	See Remarks	AAward	+150K sh	—	—	150,000
2020-12-31	ALPINE IMMUNE SCIENCES, INC.F Tax Payment	See Remarks	FTax Payment	−3,923 sh	$12.60	−$49.4K	24,371
2020-07-08	ALPINE IMMUNE SCIENCES, INC.Stock Option (right to buy)A Award	See Remarks	AAward	+50K sh	—	—	50,000
2020-06-30	ALPINE IMMUNE SCIENCES, INC.F Tax Payment	See Remarks	FTax Payment	−3,923 sh	$9.71	−$38.1K	28,294
2020-01-23	ALPINE IMMUNE SCIENCES, INC.A Award	See Remarks	AAward	+32.2K sh	—	—	32,217
2020-01-23	ALPINE IMMUNE SCIENCES, INC.Stock Option (right to buy)A Award	See Remarks	AAward	+108K sh	—	—	108,000
2019-02-06	ALPINE IMMUNE SCIENCES, INC.Stock Option (right to buy)A Award	See Remarks	AAward	+75K sh	—	—	75,000
2018-09-28	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)A Award	See Remarks	AAward	+250K sh	—	—	250,000
2018-01-02	ALPINE IMMUNE SCIENCES, INC.Stock Option (Right to buy)A Award	See Remarks	AAward	+65K sh	—	—	65,000
2017-07-24	ALPINE IMMUNE SCIENCES, INC.Employee Stock Option (right to buy)A Award	See Remarks	AAward	+161K sh	—	—	161,492
2017-07-24	ALPINE IMMUNE SCIENCES, INC.Employee Stock Option (right to buy)A Award	See Remarks	AAward	+37.3K sh	—	—	37,267

Recent filings

Accepted (ET)
May 204
PENG STANFORD L0001626199-24-000093
SEC(opens sec.gov)
May 104
PENG STANFORD L0001626199-24-000076
SEC(opens sec.gov)

Companies

ALPINE IMMUNE SCIENCES, INC.See Remarks

Address

C/O ALPINE IMMUNE SCIENCES, INC. 201 ELLIOTT AVENUE WEST, SUITE 230

SEATTLE, WA, 98119