Susan Bobulsky Insider Trades & Stock Holdings

Chief Commercial Officer, MRD · Adaptive Biotechnologies Corporation · Latest filing Oct 6, 2026

Susan Bobulsky, Chief Commercial Officer, MRD at Adaptive Biotechnologies Corporation has 2 Form 4 trades on file since Jun 25, 2026. Open-market activity: 0 purchases ($0) and 2 sales ($295.82K), net -$295.82K. Latest filing: disposed of 6.44K shares of $ADPT on Oct 6, 2026 at $30.

Trades on file

2

Open-market bought

$0

Open-market sold

$295.82K

Net open-market

-$295.82K

Latest filing

Oct 6, 2026

All insider trades by Susan Bobulsky

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 6, 2026	$ADPT	Sell (Open-market sale) 10b5-1	6.44K	$30	$193.32K			-6.0%			Chief Commercial Officer, MRD		—
Jun 25, 2026	$ADPT	Sell (Open-market sale) 10b5-1	5K	$20.50	$102.50K			+4.6%	+11.3%		Chief Commercial Officer, MRD		Read

"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 Susan Bobulsky traded

• $ADPT

Frequently asked questions

Has Susan Bobulsky been buying or selling stock?

Susan Bobulsky has 0 open-market purchases and 2 open-market sales on file, net -$295.82K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Susan Bobulsky's latest insider trade?

disposed of 6.44K shares of $ADPT on Oct 6, 2026 at $30.

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.