Insider Transactions Reported by 18 Insiders of Personalis, Inc.

Symbol
PSNL on Nasdaq
Location
Fremont, CA

Insiders trading volume in the past year

Personalis, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Tempus AI, Inc. 10%+ Owner $116,438,868 +$2,739,181 +2.4% 18 Nov 2025
Merck & Co., Inc. 10%+ Owner $53,651,682 19 Dec 2024
Lightspeed Venture Partners Select IV, L.P. Affiliate of 10% Owner $3,070,816 02 Mar 2022
Aaron Tachibana Cfo And Coo $1,891,267 -$1,141,954 -38% 23 Feb 2026
Christopher M. Hall PRESIDENT AND CEO, Director $1,334,889 -$266,212 -17% 23 Feb 2026
John Stephen West President and CEO, Director $914,993 14 Dec 2022
Richard Chen Chief Medical Officer And Evp $817,997 -$7,474 -0.91% 23 Feb 2026
Stephen Michael Moore SVP and Chief Legal Officer $317,790 -$8,291 -2.5% 23 Feb 2026
Eric Paul Lefkofsky 10%+ Owner $193,500 28 Nov 2023
Ken Ludlum Director $166,854 17 May 2022
Jonathan MacQuitty Director $4,022 14 May 2021
Woodrow A. Myers Jr. Director 16 May 2025
Karin Eastham Director 16 May 2025
Alan Colowick Director 17 May 2023
Olivia Kyusuk Bloom Director 16 May 2025
Lonnie Shoff Director 16 May 2025
A. Blaine Bowman Director 16 May 2025
WIDDER KENNETH J Director 16 May 2025

Recent Insider Transactions by Companies or Individuals for Personalis, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Aaron Tachibana PSNL Stock Option (right to buy) Award 15,000 15,000 23 Feb 2026 Direct
Richard Chen PSNL Stock Option (right to buy) Award 15,000 15,000 23 Feb 2026 Direct
Stephen Michael Moore PSNL Stock Option (right to buy) Award 8,333 8,333 23 Feb 2026 Direct
Christopher M. Hall PSNL Stock Option (right to buy) Award 33,333 33,333 23 Feb 2026 Direct
Aaron Tachibana PSNL Common Stock Sale -0.72% $13,812 $11.50 -1,201 164,458 22 Jan 2026 Direct
Aaron Tachibana PSNL Common Stock Options Exercise 0.73% 1,201 165,659 22 Jan 2026 Direct
Aaron Tachibana PSNL Stock Option (right to buy) Options Exercise -1.1% -1,201 107,631 22 Jan 2026 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.22% $250,040 $8.93 28,000 13,039,067 22 Dec 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.23% $248,688 $8.39 29,641 13,011,067 19 Dec 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.24% $248,611 $7.91 31,430 12,981,426 18 Dec 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.25% $248,769 $7.86 31,650 12,949,996 17 Dec 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.18% $250,665 $10.62 23,600 12,918,346 25 Nov 2025 Direct
Aaron Tachibana PSNL Common Stock Sale -38.7% $1,117,541 $10.78 -103,668 164,458 25 Nov 2025 Direct
Aaron Tachibana PSNL Common Stock Options Exercise 63% 103,668 268,126 25 Nov 2025 Direct
Aaron Tachibana PSNL Stock Option (right to buy) Options Exercise -48.8% -103,668 108,832 25 Nov 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.2% $248,971 $9.87 25,225 12,894,746 24 Nov 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.21% $249,190 $9.40 26,499 12,869,521 21 Nov 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.22% $248,777 $8.63 28,827 12,843,022 20 Nov 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.24% $248,837 $8.12 30,645 12,814,195 19 Nov 2025 Direct
Tempus AI, Inc. PSNL Common Stock Purchase 0.51% $496,632 $7.67 64,750 12,783,550 18 Nov 2025 Direct
Christopher M. Hall PSNL Common Stock Sale -16.6% $266,212 $8.99 -29,612 148,486 03 Nov 2025 Direct
Richard Chen PSNL Common Stock Sale -0.36% $2,970 $6.57 -452 124,505 28 Jul 2025 Direct
Aaron Tachibana PSNL Common Stock Sale -0.39% $4,211 $6.57 -641 164,458 28 Jul 2025 Direct
Aaron Tachibana PSNL Common Stock Sale -0.78% $6,390 $4.95 -1,291 165,099 16 May 2025 Direct
Stephen Michael Moore PSNL Common Stock Sale -2.54% $8,291 $4.95 -1,675 64,200 16 May 2025 Direct
Richard Chen PSNL Common Stock Sale -0.72% $4,504 $4.95 -910 124,957 16 May 2025 Direct
Olivia Kyusuk Bloom PSNL Stock Option (right to buy) Award 50,000 50,000 16 May 2025 Direct
Lonnie Shoff PSNL Stock Option (right to buy) Award 50,000 50,000 16 May 2025 Direct
Widder Kenneth J PSNL Stock Option (right to buy) Award 50,000 50,000 16 May 2025 Direct
Karin Eastham PSNL Stock Option (right to buy) Award 50,000 50,000 16 May 2025 Direct
A. Blaine Bowman PSNL Stock Option (right to buy) Award 50,000 50,000 16 May 2025 Direct
Woodrow A. Myers Jr. PSNL Stock Option (right to buy) Award 50,000 50,000 16 May 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.