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Who

A. Blaine Bowman

Director

Company insider

Files Form 4 as: Director, Personalis; Director, Illumina; Director, Altera; Director, Dionex Corp /de; Director, Molecular Devices; Director, Solexa.

In numbers

Trades disclosed
692
Buys
11
Sells
67
Bought
$162K
Sold
$47.3M
Companies
6
Companies where not an officer
6
First trade
16 May 2005
Last trade
12 May 2026
Last filed
14 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
PSNL PersonalisDirector · Diagnostics & Labs · last 12 May 20260 buys · 0 sells
ILMN IlluminaDirector · Life-science tools · last 22 May 201811 buys · 37 sells
AlteraDirector · last 28 Dec 20150 buys · 0 sells
Dionex Corp /deDirector · last 17 May 20110 buys · 30 sells
Molecular DevicesDirector · last 26 Mar 20070 buys · 0 sells
SolexaDirector · last 26 Jan 20070 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
12 May 2026filed 14 May 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Code A—6,250 at $0.00filing
12 May 2026filed 14 May 2026PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—37,500 at $0.00filing
12 May 2026filed 14 May 2026PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—37,500 at $0.00filing
12 May 2026filed 14 May 2026PSNL PersonalisDiagnostics & LabsSEC FORM 4 Code A—6,250 at $0.00filing
16 May 2025filed 20 May 2025PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—50,000 at $0.00filing
17 May 2024filed 21 May 2024PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—50,000 at $0.00filing
17 May 2023filed 19 May 2023PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—40,000 at $0.00filing
17 May 2022filed 19 May 2022PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—15,035 at $0.00filing
17 May 2022filed 19 May 2022PSNL PersonalisDiagnostics & LabsSEC FORM 4 Code A—10,770 at $0.00filing
14 May 2021filed 18 May 2021PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—4,229 at $0.00filing
14 May 2021filed 18 May 2021PSNL PersonalisDiagnostics & LabsSEC FORM 4 Code A—2,736 at $0.00filing
15 May 2020filed 19 May 2020PSNL Personalisoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—14,000 at $0.00filing
22 May 2018filed 24 May 2018ILMN IlluminaLife-science toolsSEC FORM 4 Code F$250K922 at $270.80filing
1 May 2018filed 3 May 2018ILMN Illuminaoption or derivative · Life-science toolsSEC FORM 4 Code M—1,800 at $0.00filing
1 May 2018filed 3 May 2018ILMN Illuminaoption or derivative · Life-science toolsSEC FORM 4 Code M—1,200 at $0.00filing
1 May 2018filed 3 May 2018ILMN IlluminaLife-science toolsSEC FORM 4 Code M$80K1,800 at $44.51filing
1 May 2018filed 3 May 2018ILMN IlluminaLife-science toolsSEC FORM 4 Code M$85K1,200 at $71.09filing
1 May 2018filed 3 May 2018ILMN IlluminaLife-science toolsSEC FORM 4 Sold$337K1,400 at $240.90filing
1 May 2018filed 3 May 2018ILMN IlluminaLife-science toolsSEC FORM 4 Sold$339K1,400 at $241.81filing
1 May 2018filed 3 May 2018ILMN IlluminaLife-science toolsSEC FORM 4 Sold$49K200 at $242.73filing

The newest 500 lines are listed; the numbers count every line.

Sectors

Health Care48
Not placed30

Buys in green, sells in red, by the company’s sector.

Related people

Aaron TachibanaCFO and COO · CFO and COO at Personalis, filing Form 4 there in the last year
Stephen Michael MooreSVP and Chief Legal Officer · SVP and Chief Legal Officer at Personalis, filing Form 4 there in the last year
Richard ChenPresident and CMO · President and CMO at Personalis, filing Form 4 there in the last year
Christopher M. HallChief Executive Officer · Chief Executive Officer at Personalis, filing Form 4 there in the last year
Karin EasthamDirector · Director at Personalis, filing Form 4 there in the last year
Keith A. MeisterDirector · Also traded ILMN in the last 90 days
Christensen Jakob WedelSVP, Strategy/Corp Development · Also traded ILMN in the last 90 days
Scott M. DaviesChief Legal Officer · Also traded ILMN in the last 90 days