HEIDEN WILLIAM K Insider Trades

Insider Trading History

Track insider trading activity for HEIDEN WILLIAM K. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Atara Biotherapeutics
Atara Biotherapeutics ATRA
Director
Holding Value $382k 34,188 shares
Last Trade
Jun 09, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$117k 12,000 shares
$9.77
$11.16
Macrogenics
Macrogenics MGNX
Director
Holding Value $103k 22,000 shares
Last Trade
May 19, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$99.4k 22,000 shares
$4.52
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $17.6k 3,750 shares
Last Trade
May 19, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$17k 3,750 shares
$4.52
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $0 0 shares
Last Trade
May 18, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$16.3k 3,750 shares
$4.35
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $538k 114,750 shares
Last Trade
May 18, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$16.3k 3,750 shares
$4.35
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $521k 111,000 shares
Last Trade
Aug 20, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$73.8k 49,500 shares
$1.49
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $288k 61,500 shares
Last Trade
Aug 19, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$76.8k 50,500 shares
$1.52
$4.69
Atara Biotherapeutics
Atara Biotherapeutics ATRA
Director
Holding Value $248k 22,188 shares
Last Trade
Jun 10, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$71.4k 7,828 shares
$9.12
$11.16
Macrogenics
Macrogenics MGNX
Director
Holding Value $103k 22,000 shares
Last Trade
May 21, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$32.8k 22,000 shares
$1.49
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $51.6k 11,000 shares
Last Trade
May 20, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$10.2k 6,500 shares
$1.57
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $0 0 shares
Last Trade
May 20, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$10.2k 6,500 shares
$1.57
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $77.4k 16,500 shares
Last Trade
May 21, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$70.3k 16,500 shares
$4.26
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $30.5k 6,500 shares
Last Trade
May 21, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$27.7k 6,500 shares
$4.26
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $21.1k 4,500 shares
Last Trade
May 20, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$19.2k 4,500 shares
$4.26
$4.69
Macrogenics
Macrogenics MGNX
Director
Holding Value $0 0 shares
Last Trade
May 20, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$19.2k 4,500 shares
$4.26
$4.69
Atara Biotherapeutics
Atara Biotherapeutics ATRA
Director
Holding Value $4.01M 359,000 shares
Last Trade
Mar 31, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$2.6M 150,000 shares
$17.35
$11.16
Atara Biotherapeutics
Atara Biotherapeutics ATRA
Director
Holding Value $2.33M 209,000 shares
Last Trade
Nov 10, 2023 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$575k 100,000 shares
$5.75
$11.16
Macrogenics
Macrogenics MGNX
Director
Holding Value $89.1k 19,000 shares
Last Trade
May 31, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$88.7k 19,000 shares
$4.67
$4.69
Atara Biotherapeutics
Atara Biotherapeutics ATRA
Director
Holding Value $1.22M 109,000 shares
Last Trade
May 31, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.04M 79,500 shares
$38.25
$11.16
Atara Biotherapeutics
Atara Biotherapeutics ATRA
Director
Holding Value $352k 31,500 shares
Last Trade
Jun 23, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$5.79M 31,500 shares
$183.75
$11.16

See more insider trades for free

Join Stockcircle to see more insider trades and be the first to know about new executive transactions.

Sign Up