Mahoney Stephen F. Insider Trades

Insider Trading History

Track insider trading activity for Mahoney Stephen F.. 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
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $952k 55,071 shares
Last Trade
Mar 03, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$538k 18,357 shares
$29.32
$17.28
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $704k 40,757 shares
Last Trade
Mar 03, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$538k 18,357 shares
$29.32
$17.28
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $572k 33,130 shares
Last Trade
Mar 03, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$224k 7,627 shares
$29.32
$17.28
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $576k 33,349 shares
Last Trade
Mar 03, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$224k 7,408 shares
$30.19
$17.28
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $9.67M 559,600 shares
Last Trade
Mar 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$20.3M 671,500 shares
$30.25
$17.28
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $7.61M 440,565 shares
Last Trade
Mar 03, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$6.35M 440,565 shares
$14.41
$17.28
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $370k 21,400 shares
Last Trade
Sep 27, 2024 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$499k 21,400 shares
$23.33
$17.28
Viridian Therapeutics
Viridian Therapeutics VRDN
President And CEO
Holding Value $21.8M 1,259,400 shares
Last Trade
Oct 30, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$16.4M 1,259,400 shares
$13.02
$17.28
Dianthus Therapeutics
Dianthus Therapeutics DNTH
Title: Chief Financial And Operating Officer
Holding Value $1.51M 17,264 shares
Last Trade
Nov 30, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.45k 3,000 shares
$1.15
$87.53
Magenta Therapeutics
Magenta Therapeutics MGTA
See Remarks
Holding Value $12.1k 17,264 shares
Last Trade
Nov 30, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.45k 3,000 shares
$1.15
$0.70
Magenta Therapeutics
Magenta Therapeutics MGTA
See Remarks
Holding Value $90.9k 130,000 shares
Last Trade
Aug 01, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$204k 130,000 shares
$1.57
$0.70
Dianthus Therapeutics
Dianthus Therapeutics DNTH
Title: Chief Financial And Operating Officer Exhibit 24.1: Power Of Attorney
Holding Value $11.4M 130,000 shares
Last Trade
Aug 01, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$204k 130,000 shares
$1.57
$87.53
Dianthus Therapeutics
Dianthus Therapeutics DNTH
Title: Chief Financial And Operating Officer
Holding Value $5.47M 62,500 shares
Last Trade
May 17, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$73.8k 62,500 shares
$1.18
$87.53
Magenta Therapeutics
Magenta Therapeutics MGTA
See Remarks
Holding Value $43.7k 62,500 shares
Last Trade
May 17, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$73.8k 62,500 shares
$1.18
$0.70
Magenta Therapeutics
Magenta Therapeutics MGTA
See Remarks
Holding Value $90.9k 130,000 shares
Last Trade
Feb 15, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$415k 130,000 shares
$3.19
$0.70
Magenta Therapeutics
Magenta Therapeutics MGTA
See Remarks
Holding Value $9.98k 14,264 shares
Last Trade
Sep 16, 2021 Sale (Open Market)Shares sold on the open market or in a private sale.
$38.6k 5,736 shares
$6.73
$0.70
Magenta Therapeutics
Magenta Therapeutics MGTA
See Remarks
Holding Value $14k 20,000 shares
Last Trade
Sep 14, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$123k 20,000 shares
$6.13
$0.70
Magenta Therapeutics
Magenta Therapeutics MGTA
See Remarks
Holding Value $304k 435,000 shares
Last Trade
Nov 02, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$2.73M 435,000 shares
$6.28
$0.70
Kiniksa Pharmaceuticals International Plc.
Kiniksa Pharmaceuticals International Plc. KNSA
President & COO
Holding Value $4.88M 82,000 shares
Last Trade
Sep 17, 2019 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$724k 82,000 shares
$8.83
$59.49
Kiniksa Pharmaceuticals International Plc.
Kiniksa Pharmaceuticals International Plc. KNSA
President & COO
Holding Value $4.94M 83,000 shares
Last Trade
Mar 04, 2019 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.49M 83,000 shares
$17.92
$59.49

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