Personalis, Inc. (PSNL)

Latest Insider Confidence Score

2026Q1

48.7
Bearish

Company insider confidence (by quarter)

2019Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Mhatre Ravi Other 6,076,494 Mar 4, 2022
Eggers Barry Other 6,076,494 Mar 4, 2022
Nieh Peter Other 6,076,494 Mar 4, 2022
Janmohamed Arif Other 6,076,494 Mar 4, 2022
Lightspeed Venture Partners Select IV, L.P. Other 6,076,494 Mar 4, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 23, 2026 Feb 25, 2026 Tachibana Aaron CFO Neutral 52.5 - 0.00% ✗ -
Feb 23, 2026 Feb 25, 2026 Chen Richard CHIEF MEDICAL OFFICER AND EVP Neutral 52.5 - 0.00% ✗ -
Feb 23, 2026 Feb 25, 2026 Moore Stephen Michael SVP and Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Feb 23, 2026 Feb 25, 2026 Hall Christopher M CEO Neutral 52.5 - 0.00% ✗ -
Jan 22, 2026 Jan 23, 2026 Tachibana Aaron CFO Sell 50.6 -1,201 -0.72% ✓ $13.8K
Nov 25, 2025 Nov 28, 2025 Tachibana Aaron CFO Sell 5.0 -103,668 -38.66% ✓ $1.1M
Nov 3, 2025 Nov 5, 2025 Hall Christopher M CEO Sell 40.0 -29,612 -16.63% ✗ $266.2K
Jul 28, 2025 Jul 30, 2025 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 52.5 -452 -0.36% ✗ $3K
Jul 28, 2025 Jul 30, 2025 Tachibana Aaron CFO Sell 52.5 -641 -0.39% ✗ $4.2K
May 16, 2025 May 20, 2025 Tachibana Aaron CFO Sell 50.0 -1,291 -0.78% ✗ $6.4K
May 16, 2025 May 20, 2025 Moore Stephen Michael SVP and Chief Legal Officer Sell 47.5 -1,675 -2.54% ✗ $8.3K
May 16, 2025 May 20, 2025 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 50.0 -910 -0.72% ✗ $4.5K
May 16, 2025 May 20, 2025 Bloom Olivia Kyusuk Director Neutral 52.5 - 0.00% ✗ -
May 16, 2025 May 20, 2025 Shoff Lonnie Director Neutral 52.5 - 0.00% ✗ -
May 16, 2025 May 20, 2025 WIDDER KENNETH J Director Neutral 52.5 - 0.00% ✗ -
May 16, 2025 May 20, 2025 EASTHAM KARIN Director Neutral 52.5 - 0.00% ✗ -
May 16, 2025 May 20, 2025 BOWMAN A BLAINE Director Neutral 52.5 - 0.00% ✗ -
May 16, 2025 May 20, 2025 MYERS WOODROW A JR Director Neutral 52.5 - 0.00% ✗ -
Mar 15, 2025 Mar 18, 2025 Tachibana Aaron CFO Neutral 52.5 - 0.00% ✗ -
Mar 15, 2025 Mar 18, 2025 Moore Stephen Michael SVP and Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Mar 15, 2025 Mar 18, 2025 Hall Christopher M CEO Neutral 52.5 - 0.00% ✗ -
Mar 15, 2025 Mar 18, 2025 Chen Richard CHIEF MEDICAL OFFICER AND EVP Neutral 52.5 - 0.00% ✗ -
Jan 28, 2025 Jan 30, 2025 Tachibana Aaron CFO Sell 52.5 -708 -0.42% ✗ $4.1K
Jan 28, 2025 Jan 30, 2025 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 52.5 -519 -0.42% ✗ $3K
Dec 16, 2024 Dec 18, 2024 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 46.3 -4,834 -3.76% ✗ $18.5K
Dec 16, 2024 Dec 18, 2024 Moore Stephen Michael SVP and Chief Legal Officer Sell 47.5 -1,513 -2.25% ✗ $5.8K
Dec 16, 2024 Dec 18, 2024 Tachibana Aaron CFO Sell 46.3 -6,865 -3.95% ✗ $26.2K
Nov 18, 2024 Nov 20, 2024 Tachibana Aaron CFO Sell 50.0 -1,307 -0.75% ✗ $5K
Nov 18, 2024 Nov 20, 2024 Moore Stephen Michael SVP and Chief Legal Officer Sell 47.5 -1,693 -2.45% ✗ $6.4K
Nov 18, 2024 Nov 20, 2024 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 50.0 -921 -0.71% ✗ $3.5K
Nov 1, 2024 Nov 5, 2024 Hall Christopher M CEO Sell 42.5 -26,443 -12.93% ✗ $142.3K
Jul 30, 2024 Aug 1, 2024 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 52.5 -524 -0.41% ✗ $1.6K
Jul 30, 2024 Aug 1, 2024 Tachibana Aaron CFO Sell 52.5 -742 -0.42% ✗ $2.2K
Jul 3, 2024 LEFKOFSKY ERIC P 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 17, 2024 Jun 20, 2024 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 47.5 -5,055 -3.81% ✗ $6.5K
Jun 17, 2024 Jun 20, 2024 Tachibana Aaron CFO Sell 47.5 -7,176 -3.92% ✗ $9.3K
Jun 17, 2024 Jun 20, 2024 Moore Stephen Michael SVP and Chief Legal Officer Sell 47.5 -1,585 -2.24% ✗ $2K
May 17, 2024 May 21, 2024 MYERS WOODROW A JR Director Neutral 52.5 - 0.00% ✗ -
May 17, 2024 May 21, 2024 Shoff Lonnie Director Neutral 52.5 - 0.00% ✗ -
May 17, 2024 May 21, 2024 EASTHAM KARIN Director Neutral 52.5 - 0.00% ✗ -
May 17, 2024 May 21, 2024 BOWMAN A BLAINE Director Neutral 52.5 - 0.00% ✗ -
May 17, 2024 May 21, 2024 Bloom Olivia Kyusuk Director Neutral 52.5 - 0.00% ✗ -
May 17, 2024 May 21, 2024 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 50.0 -940 -0.70% ✗ $1.3K
May 17, 2024 May 21, 2024 Tachibana Aaron CFO Sell 50.0 -1,333 -0.72% ✗ $1.8K
May 17, 2024 May 21, 2024 Moore Stephen Michael SVP and Chief Legal Officer Sell 47.5 -1,731 -2.39% ✗ $2.4K
May 17, 2024 May 21, 2024 WIDDER KENNETH J Director Neutral 52.5 - 0.00% ✗ -
Apr 30, 2024 May 2, 2024 Moore Stephen Michael SVP and Chief Legal Officer Sell 47.5 -4,523 -5.88% ✗ $6.2K
Mar 15, 2024 Mar 19, 2024 Hall Christopher M CEO Neutral 52.5 - 0.00% ✗ -
Mar 15, 2024 Mar 19, 2024 Tachibana Aaron CFO Neutral 52.5 - 0.00% ✗ -
Mar 15, 2024 Mar 19, 2024 Chen Richard CHIEF MEDICAL OFFICER AND EVP Neutral 52.5 - 0.00% ✗ -
Mar 15, 2024 Mar 19, 2024 Moore Stephen Michael GENERAL COUNSEL Neutral 52.5 - 0.00% ✗ -
Mar 1, 2024 Mar 5, 2024 MYERS WOODROW A JR Director Buy 91.3 +10,000 62.05% ✗ $16.7K
Jan 29, 2024 Jan 31, 2024 Chen Richard CHIEF MEDICAL OFFICER AND EVP Sell 52.5 -526 -0.41% ✗ $720.6
Jan 29, 2024 Jan 31, 2024 Tachibana Aaron CFO Sell 52.5 -716 -0.39% ✗ $980.9
Dec 15, 2023 Dec 19, 2023 Chen Richard Chief Medical Officer and EVP Sell 47.5 -4,708 -3.51% ✗ $6.9K
Dec 15, 2023 Dec 19, 2023 Tachibana Aaron CFO Sell 47.5 -6,747 -3.51% ✗ $9.9K
Dec 15, 2023 Dec 19, 2023 Moore Stephen Michael General Counsel Sell 47.5 -1,476 -1.88% ✗ $2.2K
Nov 16, 2023 Nov 20, 2023 Moore Stephen Michael General Counsel Sell 47.5 -1,722 -2.15% ✗ $1.8K
Nov 16, 2023 Nov 20, 2023 Tachibana Aaron CFO Sell 50.0 -1,344 -0.70% ✗ $1.4K
Nov 16, 2023 Nov 20, 2023 Chen Richard Chief Medical Officer and EVP Sell 50.0 -940 -0.75% ✗ $977.6
Nov 1, 2023 Nov 3, 2023 Hall Christopher M CEO Sell 46.3 -20,459 -9.09% ✗ $19K
Jul 31, 2023 Aug 2, 2023 Tachibana Aaron CFO Sell 52.5 -662 -0.34% ✗ $1.5K
Jul 31, 2023 Aug 2, 2023 Chen Richard Chief Medical Officer and EVP Sell 52.5 -485 -0.39% ✗ $1.1K
Jun 16, 2023 Jun 21, 2023 Moore Stephen Michael General Counsel Sell 47.5 -1,509 -1.85% ✗ $3.1K
Jun 16, 2023 Jun 21, 2023 Chen Richard Chief Medical Officer and EVP Sell 47.5 -4,817 -3.70% ✗ $10K
Jun 16, 2023 Jun 21, 2023 Tachibana Aaron CFO Sell 46.3 -6,904 -3.44% ✗ $14.3K
Jun 13, 2023 Jun 14, 2023 WIDDER KENNETH J Director Neutral 52.5 - 0.00% ✗ -
Jun 14, 2023 WIDDER KENNETH J Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 19, 2023 MYERS WOODROW A JR Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 19, 2023 Bloom Olivia Kyusuk Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 19, 2023 EASTHAM KARIN Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 19, 2023 Shoff Lonnie Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 19, 2023 Colowick Alan Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 19, 2023 BOWMAN A BLAINE Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 19, 2023 Tachibana Aaron CFO Sell 37.5 -1,389 -0.69% ✗ $2.8K
May 17, 2023 May 19, 2023 Moore Stephen Michael General Counsel Sell 27.5 -1,781 -2.14% ✗ $3.5K
May 17, 2023 May 19, 2023 Chen Richard Chief Medical Officer and EVP Sell 37.5 -971 -0.74% ✗ $1.9K
May 2, 2023 May 4, 2023 Moore Stephen Michael General Counsel Sell 26.3 -5,102 -5.76% ✗ $11.7K
Mar 17, 2023 Mar 21, 2023 Tachibana Aaron CFO Sell 26.3 -3,945 -1.91% ✗ $11.2K
Mar 17, 2023 Mar 21, 2023 Chen Richard Chief Medical Officer and EVP Sell 37.5 -1,314 -0.99% ✗ $3.7K
Mar 15, 2023 Mar 17, 2023 Moore Stephen Michael General Counsel Neutral 52.5 - 0.00% ✗ -
Mar 15, 2023 Mar 17, 2023 Chen Richard Chief Medical Officer and EVP Neutral 52.5 - 0.00% ✗ -
Mar 15, 2023 Mar 17, 2023 Tachibana Aaron CFO Neutral 52.5 - 0.00% ✗ -
Mar 15, 2023 Mar 17, 2023 Hall Christopher M CEO Neutral 52.5 - 0.00% ✗ -
Jan 31, 2023 Feb 2, 2023 Tachibana Aaron CFO Sell 45.0 -767 -0.37% ✗ $1.7K
Jan 31, 2023 Feb 2, 2023 Chen Richard Chief Medical Officer Sell 45.0 -562 -0.42% ✗ $1.2K
Jan 5, 2023 Hall Christopher M President Neutral 52.5 - 0.00% ✗ -
Dec 20, 2022 Dec 22, 2022 Tachibana Aaron CFO Sell 27.5 -3,843 -1.82% ✗ $7.4K
Dec 20, 2022 Dec 22, 2022 Chen Richard Chief Medical Officer Sell 27.5 -1,750 -1.30% ✗ $3.4K
Dec 15, 2022 Dec 19, 2022 Moore Stephen Michael General Counsel Sell 27.5 -1,930 -2.13% ✗ $4.8K
Dec 15, 2022 Dec 19, 2022 Tachibana Aaron CFO Sell 26.3 -7,177 -3.29% ✗ $17.9K
Dec 15, 2022 Dec 19, 2022 Chen Richard Chief Medical Officer Sell 26.3 -7,177 -5.05% ✗ $17.9K
Dec 14, 2022 Dec 14, 2022 West John Stephen CEO Neutral 52.5 - 0.00% ✗ -
Dec 2, 2022 Dec 6, 2022 Tachibana Aaron CFO Sell 26.3 -4,360 -1.96% ✗ $11.3K
Dec 2, 2022 Dec 6, 2022 Chen Richard Chief Medical Officer Sell 45.0 -440 -0.31% ✗ $1.1K
Nov 16, 2022 Nov 18, 2022 Chen Richard Chief Medical Officer Sell 37.5 -1,295 -0.90% ✗ $3.5K
Nov 16, 2022 Nov 18, 2022 Moore Stephen Michael General Counsel Sell 27.5 -2,045 -2.21% ✗ $5.5K
Nov 16, 2022 Nov 18, 2022 Tachibana Aaron CFO Sell 37.5 -1,294 -0.58% ✗ $3.5K
Sep 20, 2022 Sep 22, 2022 Chen Richard Chief Medical Officer Sell 27.5 -1,581 -1.09% ✗ $5.5K
Sep 20, 2022 Sep 22, 2022 Tachibana Aaron CFO Sell 26.3 -3,474 -1.53% ✗ $12.1K