Fairmount Funds Management LLC Insider Trades

Insider Trading History

Track insider trading activity for Fairmount Funds Management LLC. 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
Jade Biosciences
Jade Biosciences JBIO
10% owner
Holding Value $766k 34,843 shares
Last Trade
Jun 09, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$530k 34,843 shares
$15.22
$21.97
Apogee Therapeutics
Apogee Therapeutics APGE
Director
Holding Value $1.02M 7,657 shares
Last Trade
Jun 09, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$651k 7,657 shares
$85.00
$132.88
Catalyst Biosciences
Catalyst Biosciences CBIO
10% owner
Holding Value $193k 11,050 shares
Last Trade
Jun 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$188k 11,050 shares
$17.01
$17.50
Spyre Therapeutics
Spyre Therapeutics SYRE
Director
Holding Value $779k 8,026 shares
Last Trade
May 27, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$582k 8,026 shares
$72.51
$97.05
Viridian Therapeutics
Viridian Therapeutics VRDN
10% owner
Holding Value $88M 5,090,928 shares
Last Trade
May 11, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$20M 1,176,470 shares
$17.00
$17.28
Zenas BioPharma
Zenas BioPharma ZBIO
Director
Holding Value $47.7M 2,359,025 shares
Last Trade
Mar 31, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$3M 150,000 shares
$20.00
$20.20
Cogent Biosciences
Cogent Biosciences COGT
Director
Holding Value $200M 5,503,418 shares
Last Trade
Mar 31, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$243M 7,000,000 shares
$34.66
$36.31
Cogent Biosciences
Cogent Biosciences COGT
Director
Holding Value $1.43M 39,414 shares
Last Trade
Mar 31, 2026 Sale (Conversion)Shares acquired or disposed through conversion of a derivative or other security.
$1.08M 28,000 shares
$38.50
$36.31
Cogent Biosciences
Cogent Biosciences COGT
Director
Holding Value $454M 12,503,418 shares
Last Trade
Mar 31, 2026 Purchase (Conversion)Shares acquired or disposed through conversion of a derivative or other security.
$270M 7,000,000 shares
$38.50
$36.31
Galecto
Galecto GLTO
10% owner
Holding Value $24.8k 1,148 shares
Last Trade
Feb 09, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$139k 5,809 shares
$24.00
$21.58
Galecto
Galecto GLTO
10% owner
Holding Value $62.7M 2,904,000 shares
Last Trade
Feb 09, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$69.7M 2,904,000 shares
$24.00
$21.58
Galecto
Galecto GLTO
10% owner
Holding Value $125M 5,809,000 shares
Last Trade
Feb 09, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$139M 5,809,000 shares
$24.00
$21.58
Galecto
Galecto GLTO
10% owner
Holding Value $12.4k 574 shares
Last Trade
Feb 09, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$69.7k 2,904 shares
$24.00
$21.58
Cogent Biosciences
Cogent Biosciences COGT
Director
Holding Value $200M 5,503,418 shares
Last Trade
Jan 22, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$127M 3,500,000 shares
$36.40
$36.31
Apogee Therapeutics
Apogee Therapeutics APGE
Director
Holding Value $39.7M 298,647 shares
Last Trade
Jan 22, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$134M 1,750,000 shares
$76.30
$132.88
Catalyst Biosciences
Catalyst Biosciences CBIO
10% owner
Holding Value $48.1M 2,747,866 shares
Last Trade
Dec 04, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$18.2M 1,360,000 shares
$13.41
$17.50
Catalyst Biosciences
Catalyst Biosciences CBIO
10% owner
Holding Value $30.9M 1,768,140 shares
Last Trade
Dec 04, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$1.71M 131,434 shares
$12.99
$17.50
Galecto
Galecto GLTO
10% owner
Holding Value $0 0 shares
Last Trade
Nov 10, 2025 Sale
$337M 19,844,000 shares
$17.00
$21.58
Viridian Therapeutics
Viridian Therapeutics VRDN
10% owner
Holding Value $67.6M 3,914,458 shares
Last Trade
Oct 23, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$10M 454,545 shares
$22.00
$17.28
Zenas BioPharma
Zenas BioPharma ZBIO
Director
Holding Value $44.6M 2,209,025 shares
Last Trade
Oct 07, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$6.01M 316,219 shares
$19.00
$20.20

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