Personalis Inc

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Personalis Inc
TickerPSNL
CIK #0001527753
CUSIP71535D106
SectorLife Sciences - Services-Medical Laboratories
Address1330 O'Brien Drive, Menlo Park, CA 94025
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Personalis Inc 2017-07-18 12.2 M Exemption: 506(b) · Remaining: $2,775,000 · Duration: One year or less · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001527753] 10-K
[0001527753] 10-Q
[0001527753] 3
[0001527753] 4
[0001527753] 5
[0001527753] 8-K
[0001527753] D
[0001527753] SC 13D
[0001527753] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Deep Track Capital LP Personalis Inc [2026-05-12] 0.0
Ameriprise Financial Inc Personalis Inc [2026-02-17] 0.0
T Rowe Price Investment Management Inc Personalis Inc [2026-01-08] 0.0
Merck & Co Inc Personalis Inc [2024-12-23] 0.0
Hirschman Orin Personalis Inc [2024-07-26] 5.8
Tempus AI Inc Personalis Inc [2024-07-03] 15.1
Tempus Labs Inc Personalis Inc [2023-12-05] 15.8
BlackRock Inc Personalis Inc [2021-02-02] 5.9
JPMorgan Chase & Co Personalis Inc [2021-01-15] 8.5
Ark Investment Management LLC Personalis Inc [2020-11-10] 10.01
Lightspeed Venture Partners VIII LP Personalis Inc [2020-08-24] 12.91
Abingworth LLP Personalis Inc [2020-02-14] 17.4
Lightspeed Venture Partners VIII LP Personalis Inc [2020-02-14] 13.2
Form 3/4/5 Filer 2011 - 2026
Personalis Inc
Tachibana Aaron
Hall Christopher M
Eastham Karin
Myers Woodrow A Jr
Bloom Olivia Kyusuk
Widder Kenneth J
Bowman A Blaine
Shoff Lonnie
Moore Stephen Michael
Chen Richard
Tempus AI Inc
Merck & Co Inc
Merck Sharp & Dohme LLC
Lefkofsky Eric P
Colowick Alan
West John Stephen
Ludlum Ken
Lightspeed General Partner Select IV LP
Eggers Barry
Lightspeed Venture Partners Select IV LP
Nieh Peter
Mhatre Ravi
Lightspeed Ultimate General Partner Select IV LLC
Janmohamed Arif
MacQuitty Jonathan
Abingworth LLP
Liew Jeremy
Ricci Paul
Balthrop Patrick J
Musil Clinton
MDV ENF IX LP
Feiber Jonathan D
Ericson William W
MDV IX LP
Ninth MDV Partners LLC
Lightspeed Ultimate General Partner Select Ltd
Lightspeed General Partner Select LP
Lightspeed Venture Partners Select LP
Lightspeed Venture Partners VIII LP
Lightspeed Ultimate General Partner VIII Ltd
Lightspeed General Partner VIII LP
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Tachibana Aaron
Stock Option (right to buy) · derivative
2026-03-15 Grant 206,250 $0.00
Hall Christopher M
Common Stock
2026-03-15 Grant 87,500 $0.00
Moore Stephen Michael
Common Stock
2026-03-15 Grant 28,125 $0.00
Tachibana Aaron
Common Stock
2026-03-15 Grant 34,375 $0.00
Chen Richard
Stock Option (right to buy) · derivative
2026-03-15 Grant 281,250 $0.00
Chen Richard
Common Stock
2026-03-15 Grant 46,875 $0.00
Hall Christopher M
Stock Option (right to buy) · derivative
2026-03-15 Grant 525,000 $0.00
Moore Stephen Michael
Stock Option (right to buy) · derivative
2026-03-15 Grant 168,750 $0.00
Tachibana Aaron
Stock Option (right to buy) · derivative
2026-02-23 Grant 15,000 $0.00
Hall Christopher M
Stock Option (right to buy) · derivative
2026-02-23 Grant 33,333 $0.00
Moore Stephen Michael
Stock Option (right to buy) · derivative
2026-02-23 Grant 8,333 $0.00
Chen Richard
Stock Option (right to buy) · derivative
2026-02-23 Grant 15,000 $0.00
Tachibana Aaron
Stock Option (right to buy) · derivative
2026-01-22 Option exercise 1,201 $0.00
Tachibana Aaron
Common Stock
2026-01-22 Sell 1,201 $11.50 13,812
Tachibana Aaron
Common Stock
2026-01-22 Option exercise 1,201 $9.16 11,001
Tempus AI Inc
Common Stock
2025-12-22 Buy 28,000 $8.93 250,040
Tempus AI Inc
Common Stock
2025-12-19 Buy 29,641 $8.39 248,688
Tempus AI Inc
Common Stock
2025-12-18 Buy 31,430 $7.91 248,611
Tempus AI Inc
Common Stock
2025-12-17 Buy 31,650 $7.86 248,769
Tempus AI Inc
Common Stock
2025-11-25 Buy 9,712 $10.08 97,897
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 142 78,237,010
2025-12-31 126 68,947,140
2025-09-30 111 62,000,360
2025-06-30 106 59,481,211
2025-03-31 106 54,774,097
2024-12-31 108 51,295,118
2024-09-30 84 28,924,837
2024-06-30 70 21,984,374
2024-03-31 72 22,512,434
2023-12-31 70 22,099,395
2023-09-30 64 24,788,257
2023-06-30 67 26,083,779
Form 13F Holdings
Firm Period DFND Voting Shares
Howland Capital Management LLC [2026-06-30] SOLE 87,463 555,641
Farther Finance Advisors LLC [2026-06-30] SOLE 0 1,300
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 437
Gamma Investing LLC [2026-06-30] DFND 371 371
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