Lerner Neil Insider Trades & Stock Holdings

Chief Accounting Officer · Compass Therapeutics, Inc. · Latest filing Oct 1, 2026

Lerner Neil, Chief Accounting Officer at Compass Therapeutics, Inc. has 2 Form 4 trades on file since Sep 24, 2026. Open-market activity: 2 purchases ($21.25K) and 0 sales ($0), net +$21.25K. Latest filing: acquired 20K shares of $CMPX on Oct 1, 2026 at $0.92.

Trades on file

2

Open-market bought

$21.25K

Open-market sold

$0

Net open-market

+$21.25K

Latest filing

Oct 1, 2026

All insider trades by Lerner Neil

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 1, 2026	$CMPX	Buy (Open-market buy)	20K	$0.92	$18.40K			+8.9%			Chief Accounting Officer		—
Sep 24, 2026	$CMPX	Buy (Open-market buy)	2.50K	$1.14	$2.85K			-21.1%			Chief Accounting Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Lerner Neil traded

• $CMPX

Frequently asked questions

Has Lerner Neil been buying or selling stock?

Lerner Neil has 2 open-market purchases and 0 open-market sales on file, net +$21.25K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Lerner Neil's latest insider trade?

acquired 20K shares of $CMPX on Oct 1, 2026 at $0.92.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.