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Who

Colleen F. Arnold

Director

Company insider

Files Form 4 as: Director, Smurfit WestRock; Director, WestRock Co; Director, Cardinal Health; Director, WRKCo; Senior Vice President, International Business Machines.

In numbers

Trades disclosed
185
Buys
0
Sells
14
Bought
$0
Sold
$12.6M
Companies
5
Companies where not an officer
4
First trade
8 Aug 2007
Last trade
10 Sep 2026
Last filed
14 Sep 2026

Companies traded

Where they are an officer
IBM International Business MachinesOfficer · IT Services & Consulting · last 8 Feb 20160 buys · 12 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SW Smurfit WestRockDirector · Paper & Packaging · last 10 Sep 20260 buys · 0 sells
WestRock CoDirector · last 5 Jul 20240 buys · 0 sells
CAH Cardinal HealthDirector · Health Care Distribution · last 12 Nov 20190 buys · 2 sells
WRKCoDirector · last 2 Nov 20180 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
10 Sep 2026filed 14 Sep 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—343.768 at $0.00filing
10 Sep 2026filed 14 Sep 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—343.77 at $0.00filing
10 Jun 2026filed 12 Jun 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—367.844 at $0.00filing
10 Jun 2026filed 12 Jun 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—367.84 at $0.00filing
1 May 2026filed 5 May 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—4,438 at $0.00filing
1 May 2026filed 5 May 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code F$82K2,123 at $38.39filing
1 May 2026filed 5 May 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—4,438 at $0.00filing
1 May 2026filed 5 May 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code F$82K2,123 at $38.39filing
18 Mar 2026filed 20 Mar 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—367.176 at $0.00filing
18 Mar 2026filed 20 Mar 2026SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—367.18 at $0.00filing
18 Dec 2025filed 19 Dec 2025SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—345.52 at $0.00filing
18 Sep 2025filed 22 Sep 2025SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—297.6 at $0.00filing
18 Jun 2025filed 23 Jun 2025SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—308.75 at $0.00filing
2 May 2025filed 6 May 2025SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—4,239 at $0.00filing
2 May 2025filed 6 May 2025SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code F$26K640 at $40.47filing
18 Mar 2025filed 20 Mar 2025SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—248.1 at $0.00filing
11 Mar 2025filed 13 Mar 2025SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—1,332 at $0.00filing
18 Dec 2024filed 20 Dec 2024SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—144 at $0.00filing
18 Sep 2024filed 20 Sep 2024SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—158 at $0.00filing
5 Jul 2024filed 9 Jul 2024SW Smurfit WestRockPaper & PackagingSEC FORM 4 Code A—22,605filing

News

Sectors

Technology12
Health Care2

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

Related people

David N. FarrDirector · Director at International Business Machines, filing Form 4 there in the last year
Alfred W. ZollarDirector · Director at International Business Machines, filing Form 4 there in the last year
Peter R. VoserDirector · Director at International Business Machines, filing Form 4 there in the last year
Ramon LaguartaDirector · Director at International Business Machines, filing Form 4 there in the last year
Frederick William McNabb IIIDirector · Director at International Business Machines, filing Form 4 there in the last year
Lloyd DoggettRepresentative, TX-37 · Also traded IBM in the last 90 days
Maria Elvira SalazarRepresentative, FL-27 · Also traded IBM in the last 90 days
Robert David ThomasSenior Vice President · Also traded IBM in the last 90 days