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Who

Charles D. Baker

Director

Company insider

Files Form 4 as: Director, UnitedHealth Group; Director, Athenahealth.

In numbers

Trades disclosed
32
Buys
0
Sells
1
Bought
$0
Sold
$9,613
Companies
2
Companies where not an officer
2
First trade
1 Aug 2012
Last trade
1 Oct 2026
Last filed
5 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
UNH UnitedHealth GroupDirector · Managed Care & Insurers · last 1 Oct 20260 buys · 1 sell
AthenahealthDirector · last 1 Mar 20130 buys · 0 sells

Activity over time

1 Sep 2025 – 1 Oct 2026
10Sep 25Dec 25Apr 26Jul 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Oct 2026filed 5 Oct 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—257 at $0.00filing
22 Sep 2026filed 24 Sep 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—15 at $0.00filing
22 Sep 2026filed 24 Sep 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—15 at $0.00filing
1 Jul 2026filed 6 Jul 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—220 at $0.00filing
1 Jul 2026filed 6 Jul 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—220 at $0.00filing
23 Jun 2026filed 25 Jun 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—13 at $0.00filing
23 Jun 2026filed 25 Jun 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—13 at $0.00filing
1 Apr 2026filed 6 Apr 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—343 at $0.00filing
1 Apr 2026filed 6 Apr 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—343 at $0.00filing
17 Mar 2026filed 19 Mar 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—14 at $0.00filing
17 Mar 2026filed 19 Mar 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—14 at $0.00filing
2 Jan 2026filed 6 Jan 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—279 at $0.00filing
2 Jan 2026filed 6 Jan 2026UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—279 at $0.00filing
16 Dec 2025filed 18 Dec 2025UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—11 at $0.00filing
1 Oct 2025filed 3 Oct 2025UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—260 at $0.00filing
23 Sep 2025filed 25 Sep 2025UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—8 at $0.00filing
11 Sep 2025filed 15 Sep 2025UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Sold$9,61327 at $356.05filing
1 Jul 2025filed 2 Jul 2025UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—269 at $0.00filing
24 Jun 2025filed 26 Jun 2025UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—8 at $0.00filing
1 Apr 2025filed 3 Apr 2025UNH UnitedHealth GroupManaged Care & InsurersSEC FORM 4 Code A—168 at $0.00filing

Sectors

Health Care1

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

Related people

Kristen GilDirector · Director at Unitedhealth Group, filing Form 4 there in the last year
John H. NoseworthyDirector · Director at Unitedhealth Group, filing Form 4 there in the last year
Rice Valerie MontgomeryDirector · Director at Unitedhealth Group, filing Form 4 there in the last year
Frederick William McNabb IIIDirector · Director at Unitedhealth Group, filing Form 4 there in the last year
Scott GottliebDirector · Director at Unitedhealth Group, filing Form 4 there in the last year
Maria Elvira SalazarRepresentative, FL-27 · Also traded UNH in the last 90 days
Kevin HernRepresentative, OK-01 · Also traded UNH in the last 90 days
Donald J. TrumpPresident · Also traded UNH in the last 90 days