Joshua Brumm Insider Trades & Stock Holdings

Chief Executive Officer · CBIO · Latest filing Jun 22, 2026

Joshua Brumm, Chief Executive Officer at CBIO has 1 Form 4 trade on file since Jun 22, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($761.07K), net -$761.07K. Latest filing: disposed of 42.30K shares of $CBIO on Jun 22, 2026 at $17.99.

Trades on file

1

Open-market bought

$0

Open-market sold

$761.07K

Net open-market

-$761.07K

Latest filing

Jun 22, 2026

All insider trades by Joshua Brumm

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 22, 2026	$CBIO	Sell (Open-market sale) 10b5-1	42.30K	$17.99	$761.07K						Chief Executive 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 Joshua Brumm traded

• $CBIO

Frequently asked questions

Has Joshua Brumm been buying or selling stock?

Joshua Brumm has 0 open-market purchases and 1 open-market sale on file, net -$761.07K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Joshua Brumm's latest insider trade?

disposed of 42.30K shares of $CBIO on Jun 22, 2026 at $17.99.

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.