Aaron Tachibana Insider Trades & Stock Holdings

CFO AND COO · Personalis, Inc. · Latest filing Jun 29, 2026

Aaron Tachibana, CFO AND COO at Personalis, Inc. has 6 Form 4 trades on file since Jun 26, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($69.75K), net -$69.75K. Latest filing: disposed of 4.98K shares of $PSNL on Jun 29, 2026 at $14.

Trades on file

6

Open-market bought

$0

Open-market sold

$69.75K

Net open-market

-$69.75K

Latest filing

Jun 29, 2026

All insider trades by Aaron Tachibana

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 29, 2026	$PSNL	Sell (Open-market sale) 10b5-1	4.98K	$14	$69.75K			+4.3%	-14.7%		CFO AND COO		—
Jun 29, 2026	$PSNL	Buy (Option exercise)	4.98K	$5.32	$26.50K			+4.3%	-14.7%		CFO AND COO		—
Jun 26, 2026	$PSNL	Sell (Option exercise)	51.25K	$0	—			+10.1%	-8.0%		CFO AND COO		—
Jun 26, 2026	$PSNL	Sell (Option exercise)	51.25K	$0	—			+10.1%	-8.0%		CFO AND COO		Read
Jun 26, 2026	$PSNL	Buy (Option exercise)	51.25K	$7.48	$383.37K			+10.1%	-8.0%		CFO AND COO		—
Jun 26, 2026	$PSNL	Buy (Option exercise)	51.25K	$7.48	$383.37K			+10.1%	-8.0%		CFO AND COO		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 Aaron Tachibana traded

• $PSNL

Frequently asked questions

Has Aaron Tachibana been buying or selling stock?

Aaron Tachibana has 0 open-market purchases and 1 open-market sale on file, net -$69.75K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Aaron Tachibana's latest insider trade?

disposed of 4.98K shares of $PSNL on Jun 29, 2026 at $14.

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.