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Who

Arnold A. Pinkston

Director

Company insider

Files Form 4 as: Director, Bio-Rad Laboratories; CLO & Corporate Secretary, Corelogic; Director, Janus Capital Group; EVP and General Counsel, Allergan; SVP, Gen Counsel & Secretary, Beckman Coulter.

Every Form 4 they filed

In numbers

Trades disclosed
166
Buys
0
Sells
4
Bought
$0
Sold
$448K
Companies
5
Companies where not an officer
2
First trade
4 Jan 2007
Last trade
21 Apr 2026
Last filed
23 Apr 2026

Companies traded

Where they are an officer
CorelogicOfficer · last 4 Mar 20190 buys · 0 sells
AllerganOfficer · last 17 Mar 20150 buys · 0 sells
Beckman CoulterOfficer · last 30 Jun 20110 buys · 4 sells
Everywhere else they filed: board seats, 10% stakes, other companies
BIO Bio-Rad LaboratoriesDirector · Life-science tools · last 21 Apr 20260 buys · 0 sells
Janus Capital GroupDirector · last 30 May 20170 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
21 Apr 2026filed 23 Apr 2026BIO Bio-Rad LaboratoriesLife-science toolsSEC FORM 4 Code M—407 at $0.00filing
21 Apr 2026filed 23 Apr 2026BIO Bio-Rad Laboratoriesoption or derivative · Life-science toolsSEC FORM 4 Code A—369 at $0.00filing
21 Apr 2026filed 23 Apr 2026BIO Bio-Rad Laboratoriesoption or derivative · Life-science toolsSEC FORM 4 Code M—407 at $0.00filing
21 Apr 2026filed 23 Apr 2026BIO Bio-Rad Laboratoriesoption or derivative · Life-science toolsSEC FORM 4 Code A—369 at $0.00filing
21 Apr 2026filed 23 Apr 2026BIO Bio-Rad Laboratoriesoption or derivative · Life-science toolsSEC FORM 4 Code M—407 at $0.00filing
21 Apr 2026filed 23 Apr 2026BIO Bio-Rad LaboratoriesLife-science toolsSEC FORM 4 Code M—407 at $0.00filing
22 Apr 2025filed 24 Apr 2025BIO Bio-Rad Laboratoriesoption or derivative · Life-science toolsSEC FORM 4 Code A—407 at $0.00filing
22 Apr 2025filed 24 Apr 2025BIO Bio-Rad Laboratoriesoption or derivative · Life-science toolsSEC FORM 4 Code M—308 at $0.00filing
22 Apr 2025filed 24 Apr 2025BIO Bio-Rad LaboratoriesLife-science toolsSEC FORM 4 Code M—308 at $0.00filing
6 Sep 2024filed 10 Sep 2024BIO Bio-Rad Laboratoriesoption or derivative · Life-science toolsSEC FORM 4 Code A—308 at $0.00filing
4 Mar 2019filed 6 Mar 2019CorelogicSEC FORM 4 Code A—4,033 at $0.00filing
1 Mar 2019filed 5 Mar 2019CorelogicSEC FORM 4 Code A—11,968 at $0.00filing
1 Mar 2019filed 5 Mar 2019CorelogicSEC FORM 4 Code F—1,176 at $0.00filing
5 Mar 2018filed 5 Mar 2018CorelogicSEC FORM 4 Code A—9,336 at $0.00filing
30 May 2017filed 1 Jun 2017Janus Capital GroupSEC FORM 4 Code D—8,717filing
2 May 2016filed 4 May 2016Janus Capital GroupSEC FORM 4 Code A—8,717 at $0.00filing
17 Mar 2015filed 19 Mar 2015AllerganSEC FORM 4 Code A—6,341.5 at $0.00filing
17 Mar 2015filed 19 Mar 2015AllerganSEC FORM 4 Code D—6,341.5filing
17 Mar 2015filed 19 Mar 2015Allerganoption or derivativeSEC FORM 4 Code D—18,000filing
17 Mar 2015filed 19 Mar 2015Allerganoption or derivativeSEC FORM 4 Code D—35,000filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed4

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

Related people

Nobody else traded the same names lately.