HEIDEN WILLIAM K

CIK 00012149395 companiesTHOUSAND OAKS, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001214939

Recent Transactions

50 trades

Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2026-06-09+12,000→ 34,188 total
Award
MACROGENICS INC$MGNX
Restricted Stock Unit
2026-05-19+3,750→ 3,750 total
Award
MACROGENICS INC$MGNX
Stock Option (right to buy)
2026-05-19+22,000→ 22,000 total
Exercise/Conversion
MACROGENICS INC$MGNX
Common Stock
2026-05-18+3,750→ 114,750 total
Exercise/Conversion
MACROGENICS INC$MGNX
Restricted Stock Unit
2026-05-18−3,750→ 0 total
Purchase
MACROGENICS INC$MGNX
Common Stock
2025-08-20$1.49/sh+49,500→ 111,000 total
Purchase
MACROGENICS INC$MGNX
Common Stock
2025-08-19$1.52/sh+50,500→ 61,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2025-06-10+7,828→ 22,188 total
Award
MACROGENICS INC$MGNX
Stock Option (right to buy)
2025-05-21+22,000→ 22,000 total
Award
MACROGENICS INC$MGNX
Restricted Stock Unit
2025-05-21+3,750→ 3,750 total
Exercise/Conversion
MACROGENICS INC$MGNX
Common Stock
2025-05-20+6,500→ 11,000 total
Exercise/Conversion
MACROGENICS INC$MGNX
Restricted Stock Unit
2025-05-20−6,500→ 0 total
Award
MACROGENICS INC$MGNX
Restricted Stock Unit
2024-05-21+6,500→ 6,500 total
Award
MACROGENICS INC$MGNX
Stock Option (right to buy)
2024-05-21+16,500→ 16,500 total
Exercise/Conversion
MACROGENICS INC$MGNX
Restricted Stock Unit
2024-05-20−4,500→ 0 total
Exercise/Conversion
MACROGENICS INC$MGNX
Common Stock
2024-05-20+4,500→ 4,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2024-03-31+150,000→ 359,000 total
Purchase
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2023-11-10$0.25/sh+100,000→ 209,000 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2023-05-31+57,000→ 109,000 total
Award
Atara Biotherapeutics, Inc.$ATRA
Non-Qualified Stock Option (Right to Buy)
2023-05-31+79,500→ 79,500 total
Award
MACROGENICS INC$MGNX
Restricted Stock Unit
2023-05-31+4,500→ 4,500 total
Award
MACROGENICS INC$MGNX
Stock Option (right to buy)
2023-05-31+19,000→ 19,000 total
Award
Atara Biotherapeutics, Inc.$ATRA
Non-Qualified Stock Option (Right to Buy)
2022-06-23+31,500→ 31,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2022-06-23+20,500→ 52,000 total
Award
MACROGENICS INC$MGNX
Stock Option (right to buy)
2022-05-23+36,000→ 36,000 total
Award
Atara Biotherapeutics, Inc.$ATRA
Non-Qualified Stock Option (Right to Buy)
2021-06-08+17,500→ 17,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2021-06-08+11,000→ 31,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2020-06-16+8,000→ 20,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Non-Qualified Stock Option (Right to Buy)
2020-06-16+24,500→ 24,500 total
Tax Payment
AMAG PHARMACEUTICALS, INC.
Common Stock
2020-03-02$7.75/sh−4,451→ 424,612 total
Tax Payment
AMAG PHARMACEUTICALS, INC.
Common Stock
2020-02-25$8.84/sh−3,033→ 484,063 total
Tax Payment
AMAG PHARMACEUTICALS, INC.
Common Stock
2020-02-23$9.50/sh−2,960→ 487,096 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2019-06-27+4,000→ 12,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Non-Qualified Stock Option (Right to Buy)
2019-06-27+13,000→ 13,000 total
Purchase
AMAG PHARMACEUTICALS, INC.
Common Stock
2019-05-09$10.70/sh+10,000→ 490,056 total
Tax Payment
AMAG PHARMACEUTICALS, INC.
Common Stock
2019-03-02$14.76/sh−4,467→ 480,056 total
Tax Payment
AMAG PHARMACEUTICALS, INC.
Common Stock
2019-03-01$14.76/sh−3,535→ 484,523 total
Award
AMAG PHARMACEUTICALS, INC.
Stock Option (Right to Buy)
2019-02-25+70,000→ 70,000 total
Award
AMAG PHARMACEUTICALS, INC.
Common Stock
2019-02-25+31,000→ 356,058 total
Award
AMAG PHARMACEUTICALS, INC.
Common Stock
2019-02-25+132,000→ 488,058 total
Tax Payment
AMAG PHARMACEUTICALS, INC.
Common Stock
2019-02-23$15.51/sh−2,957→ 325,058 total
Sale
AMAG PHARMACEUTICALS, INC.
Common Stock
2018-08-07$25.00/sh−5,000→ 328,015 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2018-06-14+1,500→ 8,500 total
Award
Atara Biotherapeutics, Inc.$ATRA
Non-Qualified Stock Option (Right to Buy)
2018-06-14+5,000→ 5,000 total
Sale
AMAG PHARMACEUTICALS, INC.
Common Stock
2018-06-04$25.00/sh−20,000→ 333,015 total
Award
AMAG PHARMACEUTICALS, INC.
Common Stock
2018-03-02+45,500→ 318,061 total
Award
AMAG PHARMACEUTICALS, INC.
Common Stock
2018-03-02+45,500→ 363,561 total
Tax Payment
AMAG PHARMACEUTICALS, INC.
Common Stock
2018-03-02$21.00/sh−10,546→ 353,015 total
Award
AMAG PHARMACEUTICALS, INC.
Stock Option (Right to Buy)
2018-03-02+100,000→ 100,000 total
Award
Atara Biotherapeutics, Inc.$ATRA
Common Stock
2017-06-08+5,000→ 7,000 total

Companies

Recent Filings

Address

C/O ATARA BIOTHERAPEUTICS, INC. 1280 RANCHO CONEJO BOULEVARD

THOUSAND OAKS, CA, 91320

View on SEC.gov