Mason Heather L Insider Trades

Insider Trading History

Track insider trading activity for Mason Heather L. 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
Immatics N.V - Warrants (01/07/2025)
Immatics N.V - Warrants (01/07/2025) IMTXW
Director
Holding Value $28.8 48,000 shares
Last Trade
Jun 16, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$28.8 48,000 shares
$0.00
$0.00
Immatics N.V
Immatics N.V IMTX
Director
Holding Value $476k 48,000 shares
Last Trade
Jun 16, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$436k 48,000 shares
$9.09
$9.91
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $492k 20,944 shares
Last Trade
May 13, 2026 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$155k 6,666 shares
$23.32
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $157k 6,666 shares
Last Trade
May 13, 2026 Purchase (Gift)Shares transferred as a gift rather than bought or sold for cash.
$155k 6,666 shares
$23.32
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $649k 27,610 shares
Last Trade
May 05, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$107k 4,851 shares
$22.16
$23.50
Immatics N.V - Warrants (01/07/2025)
Immatics N.V - Warrants (01/07/2025) IMTXW
Director
Holding Value $0 0 shares
Last Trade
Mar 18, 2026 Sale
$103 171,500 shares
$0.00
$0.00
Immatics N.V
Immatics N.V IMTX
Director
Holding Value $0 0 shares
Last Trade
Mar 18, 2026 Sale
$1.61M 171,500 shares
$9.36
$9.91
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $8.02M 341,400 shares
Last Trade
May 07, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$50.4k 81,225 shares
$0.62
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $6.76M 287,650 shares
Last Trade
Nov 18, 2024 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$60k 75,000 shares
$0.80
$23.50
Assertio Holdings
Assertio Holdings ASRT
Interim Executive Officer
Holding Value $5M 212,650 shares
Last Trade
Jun 05, 2024 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$24.3k 25,000 shares
$0.97
$23.50
Assertio Holdings
Assertio Holdings ASRT
Interim CEO
Holding Value $12.9M 550,000 shares
Last Trade
Jan 02, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$627k 550,000 shares
$1.14
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $4.41M 187,650 shares
Last Trade
May 19, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$652k 89,286 shares
$7.30
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $6.51M 276,936 shares
Last Trade
May 10, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$28.8k 3,821 shares
$7.55
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $5.77M 245,741 shares
Last Trade
May 04, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$191k 86,286 shares
$2.21
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $3.75M 159,455 shares
Last Trade
Feb 18, 2022 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$8.92k 3,598 shares
$2.48
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $0 0 shares
Last Trade
Feb 18, 2022 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$8.92k 3,598 shares
$2.48
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $14.7M 623,431 shares
Last Trade
May 11, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$700k 357,143 shares
$1.96
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $338k 14,394 shares
Last Trade
Feb 18, 2021 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$907k 14,394 shares
$63.00
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $6.26M 266,288 shares
Last Trade
Feb 18, 2021 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$907k 14,394 shares
$63.00
$23.50
Assertio Holdings
Assertio Holdings ASRT
Director
Holding Value $5.92M 251,894 shares
Last Trade
May 19, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$11.4M 237,500 shares
$48.00
$23.50

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