Personalis, Inc.
Total Trades
78
Buys
3
Sells
71
Largest Trade
N/A
Insiders
7
Institutional Funds
99
Inst. Value
$1M+
Activist Filings
30
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Tempus AI, Inc. | 10% Owner | BUY | $1M+ | 320K | $8.55 | Feb 13, 2026 |
| Tachibana Aaron | CFO AND COO | SELL | $1K–$15K | 1K | $11.50 | Jan 23, 2026 |
| Tachibana Aaron | CFO AND COO | EXERCISE | $1K–$15K | 1K | $9.16 | Jan 23, 2026 |
| Tachibana Aaron | CFO AND COO | EXERCISE | $500K+ | 104K | $9.16 | Nov 28, 2025 |
| Tachibana Aaron | CFO AND COO | SELL | $1M+ | 104K | $10.78 | Nov 28, 2025 |
| Hall Christopher M | PRESIDENT AND CEO | SELL | $100K–$500K | 30K | $8.99 | Nov 5, 2025 |
| Chen Richard | CHIEF MEDICAL OFFI… | SELL | $1K–$15K | 452 | $6.57 | Jul 30, 2025 |
| Tachibana Aaron | CFO AND COO | SELL | $1K–$15K | 641 | $6.57 | Jul 30, 2025 |
| Tachibana Aaron | CFO AND COO | SELL | $1K–$15K | 1K | $4.95 | May 20, 2025 |
| Moore Stephen Michael | SVP and Chief Lega… | SELL | $1K–$15K | 2K | $4.95 | May 20, 2025 |
| Chen Richard | CHIEF MEDICAL OFFI… | SELL | $1K–$15K | 910 | $4.95 | May 20, 2025 |
| Tachibana Aaron | CFO AND COO | SELL | $1K–$15K | 708 | $5.79 | Jan 30, 2025 |
| Chen Richard | CHIEF MEDICAL OFFI… | SELL | $1K–$15K | 519 | $5.79 | Jan 30, 2025 |
| Tachibana Aaron | CFO AND COO | SELL | $1K–$15K | 1K | $3.79 | Nov 20, 2024 |
| Moore Stephen Michael | SVP and Chief Lega… | SELL | $1K–$15K | 2K | $3.79 | Nov 20, 2024 |
| Chen Richard | CHIEF MEDICAL OFFI… | SELL | $1K–$15K | 921 | $3.79 | Nov 20, 2024 |
| Hall Christopher M | PRESIDENT AND CEO | SELL | $100K–$500K | 26K | $5.38 | Nov 5, 2024 |
| Tempus AI, Inc. | 10% Owner | BUY | $1M+ | 3.5M | $5.07 | Aug 20, 2024 |
| Chen Richard | CHIEF MEDICAL OFFI… | SELL | $1K–$15K | 524 | $2.97 | Aug 1, 2024 |
| Tachibana Aaron | CFO AND COO | SELL | $1K–$15K | 742 | $2.97 | Aug 1, 2024 |
| Chen Richard | CHIEF MEDICAL OFFI… | SELL | $1K–$15K | 5K | $1.29 | Jun 20, 2024 |
| Tachibana Aaron | CFO AND COO | SELL | $1K–$15K | 7K | $1.29 | Jun 20, 2024 |
| Moore Stephen Michael | SVP and Chief Lega… | SELL | $1K–$15K | 2K | $1.29 | Jun 20, 2024 |
| Moore Stephen Michael | SVP and Chief Lega… | SELL | $1K–$15K | 5K | $1.37 | May 2, 2024 |
| Chen Richard | CHIEF MEDICAL OFFI… | SELL | <$1K | 526 | $1.37 | Jan 31, 2024 |
| Tachibana Aaron | CFO AND COO | SELL | <$1K | 716 | $1.37 | Jan 31, 2024 |
| Moore Stephen Michael | General Counsel | SELL | $1K–$15K | 2K | $1.04 | Nov 20, 2023 |
| Tachibana Aaron | CFO and COO | SELL | $1K–$15K | 1K | $1.04 | Nov 20, 2023 |
| Chen Richard | Chief Medical Offi… | SELL | <$1K | 940 | $1.04 | Nov 20, 2023 |
| Hall Christopher M | President and CEO | SELL | $15K–$50K | 20K | $0.93 | Nov 4, 2023 |
| Tachibana Aaron | CFO and COO | SELL | $1K–$15K | 662 | $2.26 | Aug 2, 2023 |
| Chen Richard | Chief Medical Offi… | SELL | $1K–$15K | 485 | $2.26 | Aug 2, 2023 |
| Moore Stephen Michael | General Counsel | SELL | $1K–$15K | 2K | $2.07 | Jun 21, 2023 |
| Chen Richard | Chief Medical Offi… | SELL | $1K–$15K | 5K | $2.07 | Jun 21, 2023 |
| Tachibana Aaron | CFO and COO | SELL | $1K–$15K | 7K | $2.07 | Jun 21, 2023 |
| Tachibana Aaron | CFO and COO | SELL | $1K–$15K | 1K | $1.98 | May 19, 2023 |
| Moore Stephen Michael | General Counsel | SELL | $1K–$15K | 2K | $1.98 | May 19, 2023 |
| Chen Richard | Chief Medical Offi… | SELL | $1K–$15K | 971 | $1.98 | May 19, 2023 |
| Moore Stephen Michael | General Counsel | SELL | $1K–$15K | 5K | $2.29 | May 4, 2023 |
| Tachibana Aaron | CFO and COO | SELL | $1K–$15K | 4K | $2.83 | Mar 21, 2023 |
| Chen Richard | Chief Medical Offi… | SELL | $1K–$15K | 1K | $2.83 | Mar 21, 2023 |
| Tachibana Aaron | CFO | SELL | $1K–$15K | 767 | $2.20 | Feb 2, 2023 |
| Chen Richard | Chief Medical Offi… | SELL | $1K–$15K | 562 | $2.20 | Feb 2, 2023 |
| Tachibana Aaron | CFO | SELL | $1K–$15K | 4K | $1.92 | Dec 22, 2022 |
| Chen Richard | Chief Medical Offi… | SELL | $1K–$15K | 2K | $1.92 | Dec 22, 2022 |
| Moore Stephen Michael | General Counsel | SELL | $1K–$15K | 2K | $2.50 | Dec 19, 2022 |
| Tachibana Aaron | CFO | SELL | $15K–$50K | 7K | $2.50 | Dec 19, 2022 |
| Chen Richard | Chief Medical Offi… | SELL | $15K–$50K | 7K | $2.50 | Dec 19, 2022 |
| Tachibana Aaron | CFO | SELL | $1K–$15K | 4K | $2.60 | Dec 6, 2022 |
| Chen Richard | Chief Medical Offi… | SELL | $1K–$15K | 440 | $2.60 | Dec 6, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 99 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Lightspeed Management Company, L.L.C. | 8.2M | $1M+ | SH |
| ARK Investment Management LLC | 7.9M | $1M+ | SH |
| Aberdeen Group plc | 3.2M | $1M+ | SH |
| KENNEDY CAPITAL MANAGEMENT LLC | 1.7M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| STATE STREET CORP | 1.1M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 860K | $1M+ | SH |
| PFM Health Sciences, LP | 806K | $1M+ | SH |
| AIGH Capital Management LLC | 786K | $1M+ | SH |
| NEXT CENTURY GROWTH INVESTORS LLC | 624K | $1M+ | SH |
| HOWLAND CAPITAL MANAGEMENT LLC | 547K | $1M+ | SH |
| Sumitomo Mitsui Trust Group, Inc. | 518K | $1M+ | SH |
| Amova Asset Management Americas, Inc. | 518K | $1M+ | SH |
| STATE OF MICHIGAN RETIREMENT SYSTEM | 494K | $1M+ | SH |
| Portolan Capital Management, LLC | 379K | $1M+ | SH |
| FIRST MANHATTAN CO. LLC. | 374K | $1M+ | SH |
| Wellington Shields Capital Management, LLC | 340K | $1M+ | SH |
| ORACLE INVESTMENT MANAGEMENT INC | 339K | $1M+ | SH |
| Nuveen, LLC | 309K | $1M+ | SH |
| Wellington Shields & Co., LLC | 292K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 30, 2026
3.8%
3.4M shares
T. Rowe Price Investment Management, Inc.
SC 13G · Jan 8, 2026
12.1%
10.8M shares
SC 13G/A · Nov 13, 2025
4.7%
8.1M shares
SC 13D/A · Sep 12, 2025
14.3%
12.7M shares
SC 13G/A · May 15, 2025
7.6%
12.8M shares
SC 13G/A · May 14, 2025
8.1%
7.2M shares
SC 13G/A · May 1, 2025
5.7%
9.5M shares
SC 13G/A · Feb 14, 2025
9.6%
6.8M shares
SC 13G/A · Feb 12, 2025
7.6%
11.6M shares
SC 13G/A · Feb 10, 2025
6.1%
4.3M shares
SC 13G/A · Feb 5, 2025
3.5%
3.0M shares
SC 13G/A · Jan 11, 2025
10.8%
7.1M shares
SC 13G · Dec 23, 2024
16.5%
14.0M shares
SC 13G · Nov 12, 2024
10.9%
16.6M shares
SC 13G/A · Nov 8, 2024
5.1%
2.9M shares
SC 13G/A · Oct 23, 2024
5.1%
2.9M shares
SC 13D/A · Aug 20, 2024
19.3%
12.7M shares
SC 13G/A · Aug 19, 2024
6.1%
4.0M shares
SC 13G · Aug 8, 2024
11.1%
16.6M shares
SC 13G · Jul 26, 2024
5.8%
3.0M shares
SC 13D · Jul 3, 2024
15.1%
9.2M shares
SC 13G/A · Jan 29, 2024
13.6%
6.7M shares
SC 13G/A · Jan 26, 2024
6.8%
3.3M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Dec 7, 2023
0.0%
0 shares
SC 13G · Dec 5, 2023
15.8%
9.2M shares
SC 13G/A · Feb 10, 2023
12.0%
5.5M shares
SC 13G/A · Jan 31, 2023
7.7%
3.6M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Jan 25, 2023
7.6%
3.5M shares
SC 13G/A · Mar 9, 2022
10.0%
4.5M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Jan 14, 2022
9.5%
4.3M shares