Doberstein Stephen K

CIK 00014801113 companiesSAN FRANCISCO, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001480111

Recent Transactions

50 trades

Award
Forte Biosciences, Inc.$FBRX
Stock Option (right to buy)
2024-08-20+50,000→ 50,000 total
Award
Forte Biosciences, Inc.$FBRX
Stock Option (right to buy)
2023-09-19+25,000→ 25,000 total
Award
Forte Biosciences, Inc.$FBRX
Stock Option (right to buy)
2022-06-01+25,000→ 25,000 total
Award
Forte Biosciences, Inc.$FBRX
Stock Option (right to buy)
2022-05-12+50,000→ 50,000 total
Disposition to Issuer
Dicerna Pharmaceuticals Inc
Director Stock Option (Right to Buy)
2021-12-28−15,000→ 0 total
Disposition from Tender
Dicerna Pharmaceuticals Inc
Common Stock
2021-12-28$38.25/sh−3,333→ 0 total
Disposition to Issuer
Dicerna Pharmaceuticals Inc
Restricted Stock Units
2021-12-28−3,333→ 0 total
Disposition to Issuer
Dicerna Pharmaceuticals Inc
Director Stock Option (Right to Buy)
2021-12-28−15,000→ 0 total
Disposition to Issuer
Dicerna Pharmaceuticals Inc
Director Stock Option (Right to Buy)
2021-12-28−25,000→ 0 total
Award
Dicerna Pharmaceuticals Inc
Director Stock Option (Right to Buy)
2021-06-03+15,000→ 15,000 total
Exercise/Conversion
Dicerna Pharmaceuticals Inc
Common Stock
2021-06-03+3,333→ 3,333 total
Exercise/Conversion
Dicerna Pharmaceuticals Inc
Restricted Stock Units
2021-06-03−3,333→ 0 total
Award
Dicerna Pharmaceuticals Inc
Restricted Stock Units
2021-06-03+3,333→ 3,333 total
Award
Dicerna Pharmaceuticals Inc
Restricted Stock Units
2020-06-15+3,333→ 3,333 total
Award
Dicerna Pharmaceuticals Inc
Director Stock Option (Right to Buy)
2020-06-15+15,000→ 15,000 total
Award
Dicerna Pharmaceuticals Inc
Director Stock Option (Right to Buy)
2020-03-12+25,000→ 25,000 total
Purchase
NEKTAR THERAPEUTICS$NKTR
Common Stock
2019-09-05$17.28/sh+15,000→ 107,668 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2019-08-16$18.15/sh−3,245→ 92,668 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2019-05-16$31.37/sh−3,461→ 95,913 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2019-02-19$42.39/sh−3,310→ 99,374 total
Award
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-12-14+23,950→ 102,684 total
Award
NEKTAR THERAPEUTICS$NKTR
Stock Option
2018-12-14+48,400→ 48,400 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-11-16$38.25/sh−4,524→ 78,734 total
Disposition to Issuer
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-08-16$58.40/sh−6,701→ 83,258 total
Award
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-08-15+26,000→ 89,959 total
Award
NEKTAR THERAPEUTICS$NKTR
Stock Option
2018-08-15+65,000→ 65,000 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-05-16$83.39/sh−3,435→ 63,959 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-04-09$96.13/sh−49,500→ 67,394 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Stock Option
2018-04-09−49,500→ 0 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-04-09$7.21/sh+49,500→ 116,894 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-04-06$7.21/sh+50,000→ 177,394 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-04-06$10.69/sh+60,000→ 127,394 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Stock Option
2018-04-06−60,000→ 0 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Stock Option
2018-04-06−500→ 49,500 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-04-06$7.21/sh+500→ 177,894 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-04-06$91.69/sh−110,500→ 67,394 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Stock Option
2018-04-06−50,000→ 0 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2018-02-16$82.94/sh−2,426→ 67,394 total
Award
NEKTAR THERAPEUTICS$NKTR
Stock Option
2017-12-15+65,000→ 65,000 total
Award
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-12-15+26,000→ 69,820 total
Disposition to Issuer
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-11-16$44.23/sh−4,782→ 43,820 total
Award
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-11-15+17,500→ 48,602 total
Award
NEKTAR THERAPEUTICS$NKTR
Stock Option
2017-11-15+43,750→ 43,750 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-11-08$30.09/sh−300,000→ 31,102 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Stock Option
2017-11-08−300,000→ 0 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-11-08$9.53/sh+300,000→ 331,102 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-11-07$9.53/sh+75,409→ 106,511 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-11-07$25.78/sh−75,409→ 31,102 total
Exercise/Conversion
NEKTAR THERAPEUTICS$NKTR
Stock Option
2017-11-07−75,409→ 300,000 total
Sale
NEKTAR THERAPEUTICS$NKTR
Common Stock
2017-11-06$24.98/sh−20,914→ 31,102 total

Companies

Recent Filings

Address

C/O NEKTAR THERAPEUTICS 455 MISSION BAY BOULEVARD SOUTH

SAN FRANCISCO, CA, 94158

View on SEC.gov