Personalis Ownership & Insider Activity

Personalis (PSNL) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.6% of shares outstanding. Institutional investors hold 40.5%. Over the past 90 days, insiders made 4 sales worth $267K.

Shares Outstanding

106.751M

Shares Float

68.336M

Insider Shares Owned

1.670M

Insider % Owned

1.6%

Institutional Shares Held

43.224M

Institutional % Held

40.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$267K total

Net Activity

Net Selling

Net Value (90d)

-$267K

Personalis Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 18, 2026	Michael Stephen Moore	SVP AND CHIEF LEGAL OFFICER	SELL	2.068K	$16.22	$34K
Sep 18, 2026	Richard Chen	PRESIDENT AND CMO	SELL	3.998K	$16.22	$65K
Sep 18, 2026	Christopher Hall	CHIEF EXECUTIVE OFFICER	SELL	7.459K	$16.22	$121K
Sep 18, 2026	Aaron Tachibana	CFO AND COO	SELL	2.931K	$16.22	$48K
Jul 15, 2026	Richard Chen	PRESIDENT AND CMO	SELL-OPTIONS	—	$8.79	$1.3M
Jul 9, 2026	Christopher Hall	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$8.35	$1.3M
Jun 29, 2026	Aaron Tachibana	CFO AND COO	SELL-OPTIONS	—	$9.66	$43K
Jun 26, 2026	Aaron Tachibana	CFO AND COO	SELL-OPTIONS	—	$10.33	$292K
Jun 26, 2026	Christopher Hall	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$7.38	$1.2M
Jun 4, 2026	Aaron Tachibana	CFO AND COO	SELL-OPTIONS	—	$10.59	$114K
May 29, 2026	Aaron Tachibana	CFO AND COO	SELL-OPTIONS	—	$10.37	$94K
May 28, 2026	Christopher Hall	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$6.31	$941K