PENG STANFORD L

CIK 00017113521 companySEATTLE, WA

SEC Profile

Transactions

Companies

Filings

CIK

0001711352

Recent Transactions

40 trades

Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−71,874→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−50,000→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−81,088→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−236,623→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−150,000→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-20−48,000→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−142,975→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−215,000→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−120,000→ 0 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-20−296,163→ 48,000 total
Disposition to Issuer
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-20−42,407→ 0 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-08−7,025→ 142,975 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-08−37,267→ 0 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-08$3.23/sh+26,912→ 330,786 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-08−161,492→ 0 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-08$6.33/sh+13,377→ 344,163 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-08−3,126→ 71,874 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-08$13.20/sh+7,025→ 79,396 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-08−22,593→ 42,407 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-08−26,912→ 81,088 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-05-08−13,377→ 236,623 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-08$6.51/sh+3,126→ 82,522 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-08$0.65/sh+161,492→ 281,281 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-08$0.65/sh+37,267→ 119,789 total
Exercise/Conversion
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-05-08$11.31/sh+22,593→ 303,874 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2024-01-04+120,000→ 120,000 total
Award
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2024-01-04+48,000→ 72,371 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2023-01-04+150,000→ 150,000 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2022-01-04+215,000→ 215,000 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2021-01-05+150,000→ 150,000 total
Tax Payment
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2020-12-31$12.60/sh−3,923→ 24,371 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (right to buy)
2020-07-08+50,000→ 50,000 total
Tax Payment
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2020-06-30$9.71/sh−3,923→ 28,294 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (right to buy)
2020-01-23+108,000→ 108,000 total
Award
ALPINE IMMUNE SCIENCES, INC.
Common Stock
2020-01-23+32,217→ 32,217 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (right to buy)
2019-02-06+75,000→ 75,000 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2018-09-28+250,000→ 250,000 total
Award
ALPINE IMMUNE SCIENCES, INC.
Stock Option (Right to buy)
2018-01-02+65,000→ 65,000 total
Award
ALPINE IMMUNE SCIENCES, INC.
Employee Stock Option (right to buy)
2017-07-24+161,492→ 161,492 total
Award
ALPINE IMMUNE SCIENCES, INC.
Employee Stock Option (right to buy)
2017-07-24+37,267→ 37,267 total

Companies

ALPINE IMMUNE SCIENCES, INC.
See Remarks

Recent Filings

Address

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

SEATTLE, WA, 98119

View on SEC.gov