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

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 25/100 · Filer 90d Win Rate: 100% · Hist. 90d Edge: +66.1%

Passive Schedule 13G filer baseline
8 NPORT-P mutual funds holding CUSIP
Elevated short days-to-cover (5.6 DTC)

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)

1 transaction

1 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 2026-10-15

DTC 5.58

41,844,192 shares short · +3.7% 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).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-01	Lerner Neil	officer	Buy	20,000	$0.92	$18K

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

Filed	Form	Filer	Stake	Shares
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 →

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