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ISSUER PROFILE · CIK 0001974640 · CUSIP 03770N101

Apogee Therapeutics, Inc.APGE

3 13D/G filings 1 distinct filers 7 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
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Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
3
2 SCHEDULE · 1 SC
Distinct filers
1
single filer
Insiders (365d)
7
1 buys · 6 sales
Latest short DTC
9.36
as of 2026-05-29

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
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 →
2024-04-01 SC Fairmount Funds Management LLC view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
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

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 10,526,394 9.36 +12.3%
2026-05-15 9,371,143 15.85 -1.3%
2026-04-30 9,489,537 14.29 -0.8%
2026-04-15 9,567,729 15.53 -1.7%
2026-03-31 9,729,380 6.07 +10.6%
2026-03-13 8,798,347 9.96 +2.1%
2026-02-27 8,619,325 14.11 -0.9%
2026-02-13 8,700,530 9.06 -2.4%
2026-01-30 8,913,346 7.41 +10.1%
2026-01-15 8,093,742 7.79 -6.6%
2025-12-31 8,664,816 9.02 +2.3%
2025-12-15 8,472,837 8.84 +7.3%

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