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Who

Brandon Sim

CEO and President

Company insider

Files Form 4 as: CEO and President, Astrana Health; Director, Cardio Diagnostics Holdings.

Every Form 4 they filed

In numbers

Trades disclosed
45
Buys
5
Sells
0
Bought
$406K
Sold
$0
Companies
2
Companies where not an officer
1
First trade
27 Aug 2020
Last trade
6 Oct 2026
Last filed
8 Oct 2026

Companies traded

Where they are an officer
ASTH Astrana HealthDirector, Officer · Professional Services · last 6 Oct 20265 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
CDIO Cardio Diagnostics HoldingsDirector · Diagnostics & Labs · last 31 Dec 20230 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
6 Oct 2026filed 8 Oct 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$366K9,889 at $37.00filing
5 Sep 2026filed 9 Sep 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$276K7,163 at $38.47filing
5 Sep 2026filed 9 Sep 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$276K7,163 at $38.47filing
27 Jun 2026filed 30 Jun 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$49K1,093 at $44.51filing
27 Jun 2026filed 30 Jun 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$49K1,093 at $44.51filing
6 Apr 2026filed 8 Apr 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code A—201,056 at $0.00filing
6 Apr 2026filed 8 Apr 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code A—201,056 at $0.00filing
2 Feb 2026filed 3 Feb 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code M$496K21,334 at $23.24filing
2 Feb 2026filed 3 Feb 2026ASTH Astrana Healthoption or derivative · Professional ServicesSEC FORM 4 Code M—21,334 at $0.00filing
2 Feb 2026filed 3 Feb 2026ASTH Astrana Healthoption or derivative · Professional ServicesSEC FORM 4 Code M—21,334 at $0.00filing
2 Feb 2026filed 3 Feb 2026ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code M$496K21,334 at $23.24filing
5 Mar 2025filed 7 Mar 2025ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code A—145,642 at $0.00filing
5 Mar 2025filed 7 Mar 2025ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$2.9M105,795 at $27.19filing
8 Nov 2024filed 12 Nov 2024ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code A—34,386 at $0.00filing
2 Oct 2024filed 4 Oct 2024ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$152K2,626 at $57.87filing
2 Apr 2024filed 4 Apr 2024ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code A—86,305 at $0.00filing
29 Mar 2024filed 19 Apr 2024ASTH Astrana HealthProfessional ServicesSEC FORM 4 Code F$1.6M37,957 at $41.99filing
31 Dec 2023filed 2 Jan 2024CDIO Cardio Diagnostics Holdingsoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—filing
31 Dec 2023filed 2 Jan 2024CDIO Cardio Diagnostics HoldingsDiagnostics & LabsSEC FORM 4 Code M$12K5,020 at $2.49filing
30 Sep 2023filed 4 Oct 2023CDIO Cardio Diagnostics Holdingsoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—filing

Sectors

Industrials5

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

Related people

John VongSVP - Accounting (PAO) · SVP - Accounting (PAO) at Astrana Health, filing Form 4 there in the last year
Thomas S. LamDirector · Director at Astrana Health, filing Form 4 there in the last year
Chandan BashoCOO and CFO · COO and CFO at Astrana Health, filing Form 4 there in the last year
Mitchell W. KitayamaDirector · Director at Astrana Health, filing Form 4 there in the last year
David SchmidtDirector · Director at Astrana Health, filing Form 4 there in the last year