13D·WATCH Activist + Insider Intelligence Live feed Blog About Pilot
ISSUER PROFILE · CIK 0001738021 · CUSIP 20454B104

Compass Therapeutics, Inc.CMPX

4 13D/G filings 2 distinct filers 0 insider transactions (365d)

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

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
4
2 SCHEDULE · 2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
12.05
as of 2026-03-31

13D/G Filings Timeline · 4 total

FiledFormFilerStakeSharesIntent
2025-08-18 SCHEDULE Commander Aggregator, LP 4.50% 7,788,150 view →
2025-04-11 SCHEDULE ORBIMED ADVISORS LLC 11.00% 15,219,994 view →
2021-11-09 SC ORBIMED ADVISORS LLC view →
2021-07-14 SC ORBIMED ADVISORS LLC view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 26,127,480 12.05 +9.7%
2026-03-13 23,817,914 11.82 +3.5%
2026-02-27 23,008,490 12.27 +2.9%
2026-02-13 22,364,641 11.30 +2.0%
2026-01-30 21,933,707 9.88 -4.6%
2026-01-15 22,994,014 7.80 +6.5%
2025-12-31 21,587,650 10.73 +16.6%
2025-12-15 18,506,099 11.08 +6.3%

Alert me when any activist files on Compass Therapeutics, Inc.

Free. We email you when criteria match. One-click unsubscribe in every email.

Track every activist who touches this name.

Custom alerts · full feed · daily intelligence · API. $1,500/mo. Pilots welcome.

Request a pilot →