Personalis, Inc. (PSNL) Insider Trading
Over the last 3 months, PSNL insiders made 0 open-market buys and 3 sales, a net sale of -$1.8M (SEC Form 4). Over the last 6 months, 87 institutions increased and 77 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$1.8M
Insider trades by month Buys Sells
Jul
Nov
Jan
Feb
May
Jun
Context3-month price +37.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 5, 2026 | Tachibana Aaronofficer: CFO AND COO | Sell | 40,000 | $12.01 |
| Jun 5, 2026 | Tachibana Aaronofficer: CFO AND COO | Option | 40,000 | $9.16 |
| May 29, 2026 | Hall Christopher Mdirector, officer: Chief Executive Officer | Sell | 80,091 | $11.02 |
| May 29, 2026 | Tachibana Aaronofficer: CFO AND COO | Option | 38,799 | $9.16 |
| May 29, 2026 | Tachibana Aaronofficer: CFO AND COO | Sell | 38,799 | $11.58 |
| May 29, 2026 | Hall Christopher Mdirector, officer: Chief Executive Officer | Option | 80,091 | $1.61 |
| May 29, 2026 | Hall Christopher Mdirector, officer: Chief Executive Officer | Option | 19,909 | $1.61 |
| May 14, 2026 | MYERS WOODROW A JRdirector | Grant | 37,500 | $6.04 |
| May 14, 2026 | EASTHAM KARINdirector | Grant | 6,250 | — |
| May 14, 2026 | EASTHAM KARINdirector | Grant | 37,500 | $6.04 |
| May 14, 2026 | BOWMAN A BLAINEdirector | Grant | 6,250 | — |
| May 14, 2026 | BOWMAN A BLAINEdirector | Grant | 37,500 | $6.04 |
| May 14, 2026 | WIDDER KENNETH Jdirector | Grant | 6,250 | — |
| May 14, 2026 | WIDDER KENNETH Jdirector | Grant | 37,500 | $6.04 |
| May 14, 2026 | Shoff Lonniedirector | Grant | 6,250 | — |
| May 14, 2026 | Shoff Lonniedirector | Grant | 37,500 | $6.04 |
| May 14, 2026 | Bloom Olivia Kyusukdirector | Grant | 6,250 | — |
| May 14, 2026 | Bloom Olivia Kyusukdirector | Grant | 37,500 | $6.04 |
| May 14, 2026 | MYERS WOODROW A JRdirector | Grant | 6,250 | — |
| Mar 17, 2026 | Tachibana Aaronofficer: CFO AND COO | Grant | 34,375 | — |
| Mar 17, 2026 | Tachibana Aaronofficer: CFO AND COO | Grant | 206,250 | $6.72 |
| Mar 17, 2026 | Moore Stephen Michaelofficer: SVP and Chief Legal Officer | Grant | 28,125 | — |
| Mar 17, 2026 | Moore Stephen Michaelofficer: SVP and Chief Legal Officer | Grant | 168,750 | $6.72 |
| Mar 17, 2026 | Hall Christopher Mdirector, officer: Chief Executive Officer | Grant | 87,500 | — |
| Mar 17, 2026 | Hall Christopher Mdirector, officer: Chief Executive Officer | Grant | 525,000 | $6.72 |
| Mar 17, 2026 | Chen Richardofficer: President and CMO | Grant | 46,875 | — |
| Mar 17, 2026 | Chen Richardofficer: President and CMO | Grant | 281,250 | $6.72 |
| Feb 25, 2026 | Tachibana Aaronofficer: CFO AND COO | Grant | 15,000 | $1.61 |
| Feb 25, 2026 | Chen Richardofficer: CHIEF MEDICAL OFFICER AND EVP | Grant | 15,000 | $1.61 |
| Feb 25, 2026 | Moore Stephen Michaelofficer: SVP and Chief Legal Officer | Grant | 8,333 | $1.61 |
Source: PSNL SEC Form 4 filings, latest Jun 5, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PSNL positions over the last 6 months (SEC Form 13F).
Increased
87
New positions
65
Reduced
77
Sold out
31
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| MERCK & CO., INC. | Unchanged | 14.0M | Feb 17, 2026 |
| MERCK & CO., INC. | Unchanged | 14.0M | May 13, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 10.8M | Feb 19, 2026 |
| LIGHTSPEED MANAGEMENT COMPANY, L.L.C. | Unchanged | 8.2M | May 15, 2026 |
| LIGHTSPEED MANAGEMENT COMPANY, L.L.C. | Unchanged | 8.2M | Feb 17, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 7.9M | May 12, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Reduced | 7.9M | Feb 11, 2026 |
| AMERIPRISE FINANCIAL INC | Increased | 7.6M | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | Increased | 6.3M | Feb 17, 2026 |
| BLACKROCK, INC. | Increased | 5.4M | May 13, 2026 |
| BLACKROCK, INC. | Reduced | 5.3M | Feb 12, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Reduced | 4.8M | May 15, 2026 |
| ABRDN PLC | Increased | 3.5M | Apr 29, 2026 |
| VANGUARD GROUP INC | Increased | 3.3M | Jan 29, 2026 |
| ABRDN PLC | Increased | 3.2M | Jan 16, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.