Barrow Robert Insider Trades & Stock Holdings

Chief Executive Officer · Definium Therapeutics, Inc. · Latest filing Sep 25, 2026

Barrow Robert, Chief Executive Officer at Definium Therapeutics, Inc. has 1 Form 4 trade on file since Sep 25, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($1.15M), net -$1.15M. Latest filing: disposed of 31.55K shares of $DFTX on Sep 25, 2026 at $36.57.

Trades on file

1

Open-market bought

$0

Open-market sold

$1.15M

Net open-market

-$1.15M

Latest filing

Sep 25, 2026

All insider trades by Barrow Robert

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 25, 2026	$DFTX	Sell (Open-market sale) 10b5-1	31.55K	$36.57	$1.15M			+3.4%			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 Barrow Robert traded

• $DFTX

Frequently asked questions

Has Barrow Robert been buying or selling stock?

Barrow Robert has 0 open-market purchases and 1 open-market sale on file, net -$1.15M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Barrow Robert's latest insider trade?

disposed of 31.55K shares of $DFTX on Sep 25, 2026 at $36.57.

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.