Personalis Inc. (PSNL) Insider Trading

Last 12 months

Insiders sold $8.78M and bought nothing on the open market.

94% of the selling was scheduled in advance under 10b5-1 plans. PRESIDENT AND CEO Christopher M Hall sold $266k on Nov 3, 2025, 17% of their stake, outside a plan. The last open-market buy by an executive or director was in Mar 2024.

Net open-market

−$8.78M

0 buys · 15 sales

Under a 10b5-1 plan

94%

of the value sold

Insiders who bought / sold

0 / 4

executives and directors

Last open-market buy

Mar 2024

Mar 1, 2024

Get an email when PSNL's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Sep 18	Stephen Michael Moore SVP and Chief Legal Officer	SoldNo plan	2,068	$16.22	$34k	2.2%	Form 4
Sep 18	Richard Chen President and CMO	SoldNo plan	3,998	$16.22	$65k	2.3%	Form 4
Sep 18	Christopher M Hall Chief Executive Officer	SoldNo plan	7,459	$16.22	$121k	3.2%	Form 4
Sep 18	Aaron Tachibana CFO AND COO	SoldNo plan	2,931	$16.22	$48k	1.5%	Form 4
Jul 15	Richard Chen President and CMO	Sold10b5-1 plan	100,000	$15.15	$1.51M	37%	Form 4
Jul 9	Christopher M Hall Chief Executive Officer	Sold10b5-1 plan	100,000	$15.08	$1.51M	30%	Form 4
Jun 29	Aaron Tachibana CFO AND COO	Sold10b5-1 plan	4,982	$14.00	$70k	2.4%	Form 4
Jun 26	Christopher M Hall Chief Executive Officer	Sold10b5-1 plan	100,000	$13.15	$1.31M	30%	Form 4
Jun 26	Aaron Tachibana CFO AND COO	Sold10b5-1 plan	51,251	$13.18	$675k	20%	Form 4
Jun 4	Aaron Tachibana CFO AND COO	Sold10b5-1 plan	40,000	$12.01	$480k	17%	Form 4
May 28 – 29	Christopher M Hall Chief Executive Officer	Sold10b5-1 plan 2 parts	100,000	$11.02 average	$1.1M	30%	Form 4
May 29	Aaron Tachibana CFO AND COO	Sold10b5-1 plan	38,799	$11.58	$449k	16%	Form 4
Jan 22	Aaron Tachibana CFO AND COO	Sold10b5-1 plan	1,201	$11.50	$14k	0.7%	Form 4
Nov 18, 2025 – Dec 22, 2025	Tempus AI, Inc. Large holder	Bought 12 parts	320,267	$8.55 average	$2.74M	2.5%	Form 4
Nov 25, 2025	Aaron Tachibana CFO AND COO	Sold10b5-1 plan	103,668	$10.78	$1.12M	39%	Form 4
Nov 3, 2025	Christopher M Hall PRESIDENT AND CEO	SoldNo plan	29,612	$8.99	$266k	17%	Form 4
Jul 28, 2025	Richard Chen CHIEF MEDICAL OFFICER AND EVP	SoldNo plan	452	$6.57	$3k	0.4%	Form 4
Jul 28, 2025	Aaron Tachibana CFO AND COO	SoldNo plan	641	$6.57	$4k	0.4%	Form 4
May 16, 2025	Aaron Tachibana CFO AND COO	SoldNo plan	1,291	$4.95	$6k	0.8%	Form 4
May 16, 2025	Stephen Michael Moore SVP and Chief Legal Officer	SoldNo plan	1,675	$4.95	$8k	2.5%	Form 4
May 16, 2025	Richard Chen CHIEF MEDICAL OFFICER AND EVP	SoldNo plan	910	$4.95	$5k	0.7%	Form 4
Jan 28, 2025	Aaron Tachibana CFO AND COO	SoldNo plan	708	$5.79	$4k	0.4%	Form 4
Jan 28, 2025	Richard Chen CHIEF MEDICAL OFFICER AND EVP	SoldNo plan	519	$5.79	$3k	0.4%	Form 4
Dec 16, 2024	Richard Chen CHIEF MEDICAL OFFICER AND EVP	SoldNo plan	4,834	$3.82	$18k	3.8%	Form 4
Dec 16, 2024	Stephen Michael Moore SVP and Chief Legal Officer	SoldNo plan	1,513	$3.82	$6k	2.2%	Form 4
Dec 16, 2024	Aaron Tachibana CFO AND COO	SoldNo plan	6,865	$3.82	$26k	3.9%	Form 4
Nov 18, 2024	Aaron Tachibana CFO AND COO	SoldNo plan	1,307	$3.79	$5k	0.7%	Form 4
Nov 18, 2024	Stephen Michael Moore SVP and Chief Legal Officer	SoldNo plan	1,693	$3.79	$6k	2.5%	Form 4
Nov 18, 2024	Richard Chen CHIEF MEDICAL OFFICER AND EVP	SoldNo plan	921	$3.79	$3k	0.7%	Form 4
Nov 1, 2024	Christopher M Hall PRESIDENT AND CEO	SoldNo plan	26,443	$5.38	$142k	13%	Form 4

Sep 18No plan
Stephen Michael Moore
SVP and Chief Legal Officer · sold 2,068 at $16.22
$34k
2.2% of stake
Sep 18No plan
Richard Chen
President and CMO · sold 3,998 at $16.22
$65k
2.3% of stake
Sep 18No plan
Christopher M Hall
Chief Executive Officer · sold 7,459 at $16.22
$121k
3.2% of stake
Sep 18No plan
Aaron Tachibana
CFO AND COO · sold 2,931 at $16.22
$48k
1.5% of stake
Jul 1510b5-1 plan
Richard Chen
President and CMO · sold 100,000 at $15.15
$1.51M
37% of stake
Jul 910b5-1 plan
Christopher M Hall
Chief Executive Officer · sold 100,000 at $15.08
$1.51M
30% of stake
Jun 2910b5-1 plan
Aaron Tachibana
CFO AND COO · sold 4,982 at $14.00
$70k
2.4% of stake
Jun 2610b5-1 plan
Christopher M Hall
Chief Executive Officer · sold 100,000 at $13.15
$1.31M
30% of stake
Jun 2610b5-1 plan
Aaron Tachibana
CFO AND COO · sold 51,251 at $13.18
$675k
20% of stake
Jun 410b5-1 plan
Aaron Tachibana
CFO AND COO · sold 40,000 at $12.01
$480k
17% of stake
May 28 – 2910b5-1 plan
Christopher M Hall
Chief Executive Officer · sold 100,000 at avg $11.02
$1.1M
30% of stake
May 2910b5-1 plan
Aaron Tachibana
CFO AND COO · sold 38,799 at $11.58
$449k
16% of stake
Jan 2210b5-1 plan
Aaron Tachibana
CFO AND COO · sold 1,201 at $11.50
$14k
0.7% of stake
Nov 18, 2025 – Dec 22, 2025
Tempus AI, Inc.
Large holder · bought 320,267 at avg $8.55
$2.74M
2.5% of stake
Nov 25, 202510b5-1 plan
Aaron Tachibana
CFO AND COO · sold 103,668 at $10.78
$1.12M
39% of stake
Nov 3, 2025No plan
Christopher M Hall
PRESIDENT AND CEO · sold 29,612 at $8.99
$266k
17% of stake
Jul 28, 2025No plan
Richard Chen
CHIEF MEDICAL OFFICER AND EVP · sold 452 at $6.57
$3k
0.4% of stake
Jul 28, 2025No plan
Aaron Tachibana
CFO AND COO · sold 641 at $6.57
$4k
0.4% of stake
May 16, 2025No plan
Aaron Tachibana
CFO AND COO · sold 1,291 at $4.95
$6k
0.8% of stake
May 16, 2025No plan
Stephen Michael Moore
SVP and Chief Legal Officer · sold 1,675 at $4.95
$8k
2.5% of stake
May 16, 2025No plan
Richard Chen
CHIEF MEDICAL OFFICER AND EVP · sold 910 at $4.95
$5k
0.7% of stake
Jan 28, 2025No plan
Aaron Tachibana
CFO AND COO · sold 708 at $5.79
$4k
0.4% of stake
Jan 28, 2025No plan
Richard Chen
CHIEF MEDICAL OFFICER AND EVP · sold 519 at $5.79
$3k
0.4% of stake
Dec 16, 2024No plan
Richard Chen
CHIEF MEDICAL OFFICER AND EVP · sold 4,834 at $3.82
$18k
3.8% of stake
Dec 16, 2024No plan
Stephen Michael Moore
SVP and Chief Legal Officer · sold 1,513 at $3.82
$6k
2.2% of stake
Dec 16, 2024No plan
Aaron Tachibana
CFO AND COO · sold 6,865 at $3.82
$26k
3.9% of stake
Nov 18, 2024No plan
Aaron Tachibana
CFO AND COO · sold 1,307 at $3.79
$5k
0.7% of stake
Nov 18, 2024No plan
Stephen Michael Moore
SVP and Chief Legal Officer · sold 1,693 at $3.79
$6k
2.5% of stake
Nov 18, 2024No plan
Richard Chen
CHIEF MEDICAL OFFICER AND EVP · sold 921 at $3.79
$3k
0.7% of stake
Nov 1, 2024No plan
Christopher M Hall
PRESIDENT AND CEO · sold 26,443 at $5.38
$142k
13% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch PSNL, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

Related stocks: Services-Medical Laboratories

BNRBurning Rock Biotech Ltd

XGNExagen Inc.

CFORCapForce Inc.

BDSXBiodesix Inc.

AMSAmerican Shared Hospital Services

PMDIPsychemedics Corp.

GRALGrail, Inc.

FLGTFulgent Genetics Inc.

Spot a number that looks wrong? Check it in PSNL's SEC filings or

Download this analysis as a PDF (Pro)

Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

2 of 2 free stocks used today

Keep analysing PSNL

Create a free account and get 14 days of Premium: every stock and every tool.

Unlimited stocksQuality, fair value and dividends for 10,000+ stocks
Stock screenerFilter on quality, valuation and dividend safety
Portfolio trackerReal return, dividend calendar and portfolio quality
Editable DCFChange the assumptions and watch fair value move
Compare side by sideUp to 10 stocks in one table
Unlimited alertsPrice, P/E, Quality Score and yield

No card. Moves to Free after, unless you upgrade.

Already have an account?

Or come back tomorrow. Stocks on your watchlist are always free to view.