SC Filed 2024-04-01 Event — SEC 0001104659-24-041995 →

Fairmount Funds Management LLC → Apogee Therapeutics, Inc. APGE

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

10 transactions

1 buys · 7 sales · 2 awards/exercises

Issuer Cluster

4 13D/G filings on this issuer

3 other filings besides this one

Filer Track Record

18 filings by this filer

17 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 2.37

4,133,296 shares short · -19.9% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-07-14	Dambkowski Carl	officer	Gift	8,000	—	—
2026-07-10	HENDERSON MICHAEL THOMAS	director, officer	Gift	75,046	—	—
2026-07-08	HENDERSON MICHAEL THOMAS	director, officer	Sale	20,000	$133.63	$2.67M
2026-06-09	Bollinger Lisa	director	Award	7,657	$85.00	$651K
2026-05-01	Henderson Jane	officer	Sale	811	$81.02	$66K
2026-05-01	Henderson Jane	officer	Sale	900	$82.60	$74K
2026-05-01	Henderson Jane	officer	Sale	289	$83.16	$24K
2026-04-08	HENDERSON MICHAEL THOMAS	director, officer	Sale	17,800	$82.48	$1.47M
2026-04-08	HENDERSON MICHAEL THOMAS	director, officer	Sale	2,000	$83.26	$167K
2026-04-08	HENDERSON MICHAEL THOMAS	director, officer	Sale	200	$85.00	$17K

Other 13D/G Filings on Apogee Therapeutics, Inc.

Filed	Form	Filer	Stake	Shares
2026-06-23	SCHEDULE 13D/A	Fairmount Funds Management LLC	9.99%	6,713,519	view →
2026-01-22	SCHEDULE	Fairmount Funds Management LLC	9.99%	6,047,027	view →
2025-10-14	SCHEDULE	Fairmount Funds Management LLC	9.99%	5,776,881	view →

Other Filings by Fairmount Funds Management LLC

Filed	Form	Issuer	Stake	Shares
2026-07-20	SCHEDULE 13D/A	Crescent Biopharma, Inc.	—	6,593,385	view →
2026-07-01	SCHEDULE 13D/A	ORUKA THERAPEUTICS, INC. ORKA	19.50%	14,553,895	view →
2026-06-23	SCHEDULE 13D/A	SPYRE THERAPEUTICS, INC. SYRE	—	8,835,440	view →
2026-06-23	SCHEDULE 13D/A	Apogee Therapeutics, Inc. APGE	9.99%	6,713,519	view →
2026-06-09	SCHEDULE 13D/A	Jade Biosciences, Inc. JBIO	19.99%	14,069,494	view →
2026-05-13	SCHEDULE 13D/A	Viridian Therapeutics, Inc.\DE VRDN	—	17,201,800	view →
2026-01-22	SCHEDULE	Apogee Therapeutics, Inc. APGE	9.99%	6,047,027	view →
2026-01-22	SCHEDULE	Cogent Biosciences, Inc. COGT	9.90%	16,261,918	view →
2025-10-14	SCHEDULE	Apogee Therapeutics, Inc. APGE	9.99%	5,776,881	view →
2025-09-15	SCHEDULE	Dianthus Therapeutics, Inc. /DE/ DNTH	9.90%	4,052,052	view →
2025-03-10	SCHEDULE	Oruka Therapeutics, Inc. ORKA	19.99%	8,511,824	view →
2024-04-01	SC	Dianthus Therapeutics, Inc. /DE/ DNTH	—	—	view →
2024-04-01	SC	Viridian Therapeutics, Inc.\DE VRDN	—	—	view →
2024-04-01	SC	Cogent Biosciences, Inc. COGT	—	—	view →
2023-12-11	SC	Spyre Therapeutics, Inc. SYRE	—	—	view →
2023-06-13	SC	Cogent Biosciences, Inc. COGT	—	—	view →
2021-09-23	SC	Viridian Therapeutics, Inc.\DE VRDN	—	—	view →

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