Wiley Matthew T. Insider Trades & Stock Holdings

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

Wiley Matthew T., Chief Commercial 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 ($113.26K), net -$113.26K. Latest filing: disposed of 3.10K shares of $DFTX on Sep 25, 2026 at $36.57.

Trades on file

1

Open-market bought

$0

Open-market sold

$113.26K

Net open-market

-$113.26K

Latest filing

Sep 25, 2026

All insider trades by Wiley Matthew T.

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	3.10K	$36.57	$113.26K			+3.4%			Chief Commercial 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 Wiley Matthew T. traded

• $DFTX

Frequently asked questions

Has Wiley Matthew T. been buying or selling stock?

Wiley Matthew T. has 0 open-market purchases and 1 open-market sale on file, net -$113.26K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Wiley Matthew T.'s latest insider trade?

disposed of 3.10K 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.