13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
SCHEDULE Filed 2025-08-18 Event 2025-08-14 SEC 0000950170-25-109869 →

Commander Aggregator, LP Compass Therapeutics, Inc. CMPX

Stake: 4.50% Shares: 7,788,150 CUSIP: 20454B104 Class: Common Stock, par value $0.0001 per share

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)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
4 13D/G filings on this issuer
3 other filings besides this one
Filer Track Record
1 filings by this filer
0 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 15.67
39,298,468 shares short · +5.8% vs prior

Post-Filing Returns · since 2025-08-14 on CMPX

+1 day
+0.7%
+5 days
-7.8%
+30 days
+25.1%
+60 days
+45.3%
+90 days
+66.1%
+180 days
+123.7%

Anchor price 2.95 on closest trading day on/after 2025-08-14. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

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

FiledFormFilerStakeShares
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 →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →