InsiderTrades

Fairmount Funds Management LLC

SEC CIK 1802528 · EDGAR

Buying vs selling by month open-market trades, last 52 months, all 7 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CBIOCRESCENT BIOPHARMA, INC.Dir, 10% 3.60M $12.38M — 12026-07-162026-07-16
ORKAOruka Therapeutics, Inc.Dir, 10% 4.69M — $300.01M 22026-07-012026-07-01
SYRESpyre Therapeutics, Inc.Dir 4.68M — $399.66M 22026-06-232026-06-23
VRDNViridian Therapeutics, Inc.\DEDir, 10% 5.09M $20.00M — 22025-06-092026-05-11
ZBIOZenas BioPharma, Inc.Dir 2.36M $8.10M — 32024-09-162026-03-31
COGTCogent Biosciences, Inc.Dir 12.50M $44.50M $370.02M 92022-06-162026-03-31
DNTHDianthus Therapeutics, Inc. /DE/Dir, 10% 2.76M — — 12024-01-222024-01-22

Most active insiders at CBIO, 12 months

#InsiderTitleBoughtSold
1 Harwin Peter EvanDir, 10% $18.24M—
2 Fairmount Funds Management LLCDir, 10% $12.38M—
3 Brumm Joshua TCEO, Dir —$920.8K
4 McNeill JonathanPres, COO —$446.9K
5 Pinkas JanCSO —$34.9K
6 Im Ellie EunkyungChief Medical Off —$33.1K
7 Bispham Barbara HarlinSee Remarks —$33.0K
8 Scalzo Richard WilliamCFO —$30.2K
9 Lynch RyanSee Remarks —$12.7K
10 Doughty Christopher GrantChief Business Off ——

Transactions 20

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DI 2026-07-20 17:30 2026-07-16 CBIO CRESCENT BIOPHARMA, INC. Fairmount Funds Management LLC Dir, 10% P - Purchase $14.50 +853.5K 3.60M +31% +$12.38M
DI 2026-07-01 21:30 2026-07-01 ORKA Oruka Therapeutics, Inc. Fairmount Funds Management LLC Dir, 10% C - Cnv Deriv — +3.55M 4.69M +314% —
DI 2026-07-01 21:30 2026-07-01 ORKA Oruka Therapeutics, Inc. Fairmount Funds Management LLC Dir, 10% S - Sale $84.43 -3.55M 1.13M -76% -$300.01M
DI 2026-06-23 21:56 2026-06-23 SYRE Spyre Therapeutics, Inc. Fairmount Funds Management LLC Dir C - Cnv Deriv — +666.7K 4.68M +17% —
DI 2026-06-23 21:56 2026-06-23 SYRE Spyre Therapeutics, Inc. Fairmount Funds Management LLC Dir S - Sale $85.31 -4.68M 0 -100% -$399.66M
I 2026-05-13 16:31 2026-05-11 VRDN Viridian Therapeutics, Inc.\DE Fairmount Funds Management LLC Dir, 10% P - Purchase $17.00 +1.18M 5.09M +30% +$20.00M
I 2026-04-01 16:30 2026-03-31 ZBIO Zenas BioPharma, Inc. Fairmount Funds Management LLC Dir P - Purchase $20.00 +150.0K 2.36M +7% +$3.00M
DI 2026-03-31 2026-03-31 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC Dir C - Cnv Deriv — +7.00M 12.50M +127% —
DI 2026-03-31 2026-03-31 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC Dir S - Sale $34.66 -7.00M 5.50M -56% -$242.62M
I 2026-01-22 2026-01-22 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC Dir S - Sale $36.40 -3.50M 5.50M -39% -$127.40M
I 2025-07-14 2025-07-10 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC Dir P - Purchase $9.00 +2.78M 9.00M +45% +$25.00M
DMI 2025-06-11 2025-06-09+ VRDN Viridian Therapeutics, Inc.\DE Fairmount Funds Management LLC Dir, 10% M - OptEx $11.80 +14.1K 3.46M +0.4% +$166.4K
DMAI 2024-09-17 2024-09-16 ZBIO Zenas BioPharma, Inc. Fairmount Funds Management LLC Dir C - Cnv Deriv — +1.30M 329.0K New —
DAI 2024-09-17 2024-09-16 ZBIO Zenas BioPharma, Inc. Fairmount Funds Management LLC Dir P - Purchase $17.00 +300.0K 1.89M +19% +$5.10M
DI 2024-06-12 2024-06-10 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC Dir M - OptEx — +1.50M 6.23M +32% —
DMI 2024-04-01 2024-03-28 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC Dir J - Other — 0 0 New —
DI 2024-02-16 2024-02-16 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC 10% A - Grant $7.50 +1.17M 4.44M +36% +$8.75M
DI 2024-01-24 2024-01-22 DNTH Dianthus Therapeutics, Inc. /DE/ Fairmount Funds Management LLC Dir, 10% A - Grant $12.00 +834.3K 2.76M +43% +$10.01M
I 2023-06-13 2023-06-09 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC 10%, See Remarks P - Purchase $12.00 +800.0K 3.27M +32% +$9.60M
I 2022-06-21 2022-06-16 COGT Cogent Biosciences, Inc. Fairmount Funds Management LLC 10%, See Remarks P - Purchase $8.25 +1.20M 2.47M +94% +$9.90M

Purchase Sale Sale after option exercise All abbreviations