Personalis, Inc.
PSNL- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0001527753
In the last 90 days, Personalis, Inc. insiders filed 0 open-market purchases and 6 sales; 158 institutions reported holding it in 13F filings for Q2 2026, worth $1.14B in total; ARK Invest is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Personalis, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 6 filings
- 4 insiders, $3.29M in total
- Insiders trading
- 4
- Net value
- −$3.29M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Personalis, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Moore Stephen Michael | SVP and Chief Legal Officer | 90,257 | Sep 22, 2026 | 3 |
| Chen Richard | President and CMO | 169,882 | Sep 22, 2026 | 4 |
| Hall Christopher M | Chief Executive Officer | 228,527 | Sep 22, 2026 | 7 |
| Tachibana Aaron | CFO AND COO | 195,902 | Sep 22, 2026 | 9 |
| Eastham Karin | Director | 19,756 | Jun 11, 2026 | 1 |
| Bowman A Blaine | Director | 19,756 | May 14, 2026 | 1 |
| Widder Kenneth J | Director | 6,250 | May 14, 2026 | 1 |
| Myers Woodrow A Jr | Director | 32,366 | May 14, 2026 | 1 |
| Shoff Lonnie | Director | 37,190 | May 14, 2026 | 1 |
| Bloom Olivia Kyusuk | Director | 27,265 | May 14, 2026 | 1 |
| Tempus AI, Inc. | 10% Owner | 13,039,067 | Feb 13, 2026 | 1 |
| Colowick Alan | Director | 13,506 | May 19, 2023 | 0 |
| West John Stephen | President and CEO | 622,444 | Dec 14, 2022 | 0 |
| Ludlum Ken | Director | 43,506 | May 19, 2022 | 0 |
| Eggers Barry | Other: Affiliate of 10% Owner | 4,750 | Mar 4, 2022 | 0 |
| Mhatre Ravi | Other: Affiliate of 10% Owner | 4,750 | Mar 4, 2022 | 0 |
| Nieh Peter | Other: Affiliate of 10% Owner | 4,750 | Mar 4, 2022 | 0 |
| Lightspeed Venture Partners Select IV, L.P. | Other: Affiliate of 10% Owner | 4,750 | Mar 4, 2022 | 0 |
| Janmohamed Arif | Other: Affiliate of 10% Owner | 4,750 | Mar 4, 2022 | 0 |
| Lightspeed General Partner Select IV, L.P. | Other: Affiliate of 10% Owner | 4,750 | Mar 4, 2022 | 0 |
| Lightspeed Ultimate General Partner Select IV, L.L.C. | Other: Affiliate of 10% Owner | 4,750 | Mar 4, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 19, 2022 (view filing) | Dec 15 | 4 days | Moore Stephen MichaelGeneral Counsel | SSale | −1.93K | $2.50 | −$4.83K | −2.1%88.5K after | |
| Dec 22, 2022 (view filing) | Dec 20 | 2 days | Chen RichardChief Medical Officer | SSale | −1.75K | $1.92 | −$3.36K | −1.3%133.2K after | |
| Dec 22, 2022 (view filing) | Dec 20 | 2 days | Tachibana AaronChief Financial Officer | SSale | −3.84K | $1.92 | −$7.38K | −1.8%207.0K after | |
| Feb 2, 2023 (view filing) | Jan 31 | 2 days | Chen RichardChief Medical Officer | SSale | −562 | $2.20 | −$1.24K | −0.4%132.6K after | |
| Feb 2, 2023 (view filing) | Jan 31 | 2 days | Tachibana AaronChief Financial Officer | SSale | −767 | $2.20 | −$1.69K | −0.4%206.2K after | |
| Mar 21, 2023 (view filing) | Mar 17 | 4 days | Chen RichardChief Medical Officer and EVP | SSale | −1.31K | $2.83 | −$3.72K | −1.0%131.3K after | |
| Mar 21, 2023 (view filing) | Mar 17 | 4 days | Tachibana AaronCFO and COO | SSale | −3.94K | $2.83 | −$11.2K | −1.9%202.3K after | |
| May 4, 2023 (view filing) | May 2 | 2 days | Moore Stephen MichaelGeneral Counsel | SSale | −5.10K | $2.29 | −$11.7K | −5.8%83.4K after | |
| May 19, 2023 (view filing) | May 17 | 2 days | Chen RichardChief Medical Officer and EVP | SSale | −971 | $1.98 | −$1.92K | −0.7%130.3K after | |
| May 19, 2023 (view filing) | May 17 | 2 days | Moore Stephen MichaelGeneral Counsel | SSale | −1.78K | $1.98 | −$3.53K | −2.1%81.6K after | |
| May 19, 2023 (view filing) | May 17 | 2 days | Tachibana AaronCFO and COO | SSale | −1.39K | $1.98 | −$2.75K | −0.7%200.9K after | |
| Jun 21, 2023 (view filing) | Jun 16 | 5 days | Tachibana AaronCFO and COO | SSale | −6.90K | $2.07 | −$14.3K | −3.4%194.0K after | |
| Jun 21, 2023 (view filing) | Jun 16 | 5 days | Chen RichardChief Medical Officer and EVP | SSale | −4.82K | $2.07 | −$9.97K | −3.7%125.5K after | |
| Jun 21, 2023 (view filing) | Jun 16 | 5 days | Moore Stephen MichaelGeneral Counsel | SSale | −1.51K | $2.07 | −$3.12K | −1.8%80.1K after | |
| Aug 2, 2023 (view filing) | Jul 31 | 2 days | Chen RichardChief Medical Officer and EVP | SSale | −485 | $2.26 | −$1.10K | −0.4%125.0K after | |
| Aug 2, 2023 (view filing) | Jul 31 | 2 days | Tachibana AaronCFO and COO | SSale | −662 | $2.26 | −$1.50K | −0.3%193.3K after | |
| Nov 3, 2023 (view filing) | Nov 1 | 2 days | Hall Christopher MPresident and CEO | SSale | −20.5K | $0.93 | −$19.0K | −9.1%204.5K after | |
| Nov 20, 2023 (view filing) | Nov 16 | 4 days | Moore Stephen MichaelGeneral Counsel | SSale | −1.72K | $1.04 | −$1.79K | −2.1%78.4K after | |
| Nov 20, 2023 (view filing) | Nov 16 | 4 days | Chen RichardChief Medical Officer and EVP | SSale | −940 | $1.04 | −$977.6 | −0.8%124.1K after | |
| Nov 20, 2023 (view filing) | Nov 16 | 4 days | Tachibana AaronCFO and COO | SSale | −1.34K | $1.04 | −$1.40K | −0.7%192.0K after | |
| Dec 19, 2023 (view filing) | Dec 15 | 4 days | Moore Stephen MichaelGeneral Counsel | SSale | −1.48K | $1.47 | −$2.17K | −1.9%76.9K after | |
| Dec 19, 2023 (view filing) | Dec 15 | 4 days | Tachibana AaronCFO and COO | SSale | −6.75K | $1.47 | −$9.92K | −3.5%185.2K after | |
| Dec 19, 2023 (view filing) | Dec 15 | 4 days | Chen RichardChief Medical Officer and EVP | SSale | −4.71K | $1.47 | −$6.92K | −3.5%129.4K after | |
| Jan 31, 2024 (view filing) | Jan 29 | 2 days | Tachibana AaronCFO AND COO | SSale | −716 | $1.37 | −$980.92 | −0.4%184.5K after | |
| Jan 31, 2024 (view filing) | Jan 29 | 2 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −526 | $1.37 | −$720.62 | −0.4%128.9K after | |
| Mar 5, 2024 (view filing) | Mar 1 | 4 days | Myers Woodrow A JrDirector | PPurchase | +10.0K | $1.67 | +$16.7K | +62.1%26.1K after | |
| May 2, 2024 (view filing) | Apr 30 | 2 days | Moore Stephen MichaelSVP and Chief Legal Officer | SSale | −4.52K | $1.37 | −$6.20K | −5.9%72.4K after | |
| May 21, 2024 (view filing) | May 17 | 4 days | Moore Stephen MichaelSVP and Chief Legal Officer | SSale | −1.73K | $1.38 | −$2.39K | −2.4%70.7K after | |
| May 21, 2024 (view filing) | May 17 | 4 days | Tachibana AaronCFO AND COO | SSale | −1.33K | $1.38 | −$1.84K | −0.7%183.2K after | |
| May 21, 2024 (view filing) | May 17 | 4 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −940 | $1.38 | −$1.30K | −0.7%132.8K after | |
| Jun 20, 2024 (view filing) | Jun 17 | 3 days | Moore Stephen MichaelSVP and Chief Legal Officer | SSale | −1.58K | $1.29 | −$2.04K | −2.2%69.1K after | |
| Jun 20, 2024 (view filing) | Jun 17 | 3 days | Tachibana AaronCFO AND COO | SSale | −7.18K | $1.29 | −$9.26K | −3.9%176.0K after | |
| Jun 20, 2024 (view filing) | Jun 17 | 3 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −5.05K | $1.29 | −$6.52K | −3.8%127.8K after | |
| Aug 1, 2024 (view filing) | Jul 30 | 2 days | Tachibana AaronCFO AND COO | SSale | −742 | $2.97 | −$2.20K | −0.4%175.3K after | |
| Aug 1, 2024 (view filing) | Jul 30 | 2 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −524 | $2.97 | −$1.56K | −0.4%127.2K after | |
| Aug 20, 2024 (view filing) | Aug 16 | 4 days | Tempus AI, Inc.10% Owner | PPurchase | +3.50M | $5.07 | +$17.7M | +38.0%12.7M after | |
| Nov 5, 2024 (view filing) | Nov 1 | 4 days | Hall Christopher MPRESIDENT AND CEO | SSale | −26.4K | $5.38 | −$142.3K | −12.9%178.1K after | |
| Nov 20, 2024 (view filing) | Nov 18 | 2 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −921 | $3.79 | −$3.49K | −0.7%128.7K after | |
| Nov 20, 2024 (view filing) | Nov 18 | 2 days | Moore Stephen MichaelSVP and Chief Legal Officer | SSale | −1.69K | $3.79 | −$6.42K | −2.5%67.4K after | |
| Nov 20, 2024 (view filing) | Nov 18 | 2 days | Tachibana AaronCFO AND COO | SSale | −1.31K | $3.79 | −$4.95K | −0.7%174.0K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Tachibana AaronCFO AND COO | SSale | −6.87K | $3.82 | −$26.2K | −3.9%167.1K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Moore Stephen MichaelSVP and Chief Legal Officer | SSale | −1.51K | $3.82 | −$5.78K | −2.2%65.9K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −4.83K | $3.82 | −$18.5K | −3.8%123.9K after | |
| Jan 30, 2025 (view filing) | Jan 28 | 2 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −519 | $5.79 | −$3.01K | −0.4%123.4K after | |
| Jan 30, 2025 (view filing) | Jan 28 | 2 days | Tachibana AaronCFO AND COO | SSale | −708 | $5.79 | −$4.10K | −0.4%166.4K after | |
| May 20, 2025 (view filing) | May 16 | 4 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −910 | $4.95 | −$4.50K | −0.7%125.0K after | |
| May 20, 2025 (view filing) | May 16 | 4 days | Moore Stephen MichaelSVP and Chief Legal Officer | SSale | −1.68K | $4.95 | −$8.29K | −2.5%64.2K after | |
| May 20, 2025 (view filing) | May 16 | 4 days | Tachibana AaronCFO AND COO | SSale | −1.29K | $4.95 | −$6.39K | −0.8%165.1K after | |
| Jul 30, 2025 (view filing) | Jul 28 | 2 days | Tachibana AaronCFO AND COO | SSale | −641 | $6.57 | −$4.21K | −0.4%164.5K after | |
| Jul 30, 2025 (view filing) | Jul 28 | 2 days | Chen RichardCHIEF MEDICAL OFFICER AND EVP | SSale | −452 | $6.57 | −$2.97K | −0.4%124.5K after |