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Who

Don Callahan

Director

Company insider

Files Form 4 as: Director, Wex; Director, Innodata; Head of Operations&Technology, Citigroup.

Every Form 4 they filed

In numbers

Trades disclosed
108
Buys
1
Sells
4
Bought
$300K
Sold
$6.2M
Companies
3
Companies where not an officer
2
First trade
1 Oct 2008
Last trade
30 Sep 2026
Last filed
2 Oct 2026

Companies traded

Where they are an officer
C CitigroupOfficer · Money-centre banks · last 28 Feb 20181 buy · 4 sells
Everywhere else they filed: board seats, 10% stakes, other companies
WEX WexDirector · Business Services · last 30 Sep 20260 buys · 0 sells
INOD InnodataDirector · Payments & Processors · last 4 Jun 20260 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
30 Sep 2026filed 2 Oct 2026WEX WexBusiness ServicesSEC FORM 4 Code A—155filing
30 Jun 2026filed 2 Jul 2026WEX WexBusiness ServicesSEC FORM 4 Code A—186filing
30 Jun 2026filed 2 Jul 2026WEX WexBusiness ServicesSEC FORM 4 Code A—186filing
4 Jun 2026filed 8 Jun 2026INOD InnodataPayments & ProcessorsSEC FORM 4 Code A—1,481 at $0.00filing
4 Jun 2026filed 8 Jun 2026INOD InnodataPayments & ProcessorsSEC FORM 4 Code A—1,481 at $0.00filing
15 May 2026filed 18 May 2026WEX WexBusiness ServicesSEC FORM 4 Code M—1,567 at $0.00filing
15 May 2026filed 18 May 2026WEX Wexoption or derivative · Business ServicesSEC FORM 4 Code M—1,567 at $0.00filing
15 May 2026filed 18 May 2026WEX Wexoption or derivative · Business ServicesSEC FORM 4 Code M—1,567 at $0.00filing
15 May 2026filed 18 May 2026WEX WexBusiness ServicesSEC FORM 4 Code M—1,567 at $0.00filing
14 May 2026filed 18 May 2026WEX Wexoption or derivative · Business ServicesSEC FORM 4 Code A—1,605 at $0.00filing
14 May 2026filed 18 May 2026WEX Wexoption or derivative · Business ServicesSEC FORM 4 Code A—1,605 at $0.00filing
31 Mar 2026filed 2 Apr 2026WEX WexBusiness ServicesSEC FORM 4 Code A—171filing
31 Mar 2026filed 2 Apr 2026WEX WexBusiness ServicesSEC FORM 4 Code A—171filing
31 Dec 2025filed 5 Jan 2026WEX WexBusiness ServicesSEC FORM 4 Code A—176filing
31 Dec 2025filed 5 Jan 2026WEX WexBusiness ServicesSEC FORM 4 Code A—176filing
11 Nov 2025filed 13 Nov 2025INOD InnodataPayments & ProcessorsSEC FORM 4 Code A—1,673 at $0.00filing
30 Sep 2025filed 2 Oct 2025WEX WexBusiness ServicesSEC FORM 4 Code A—166filing
30 Jun 2025filed 2 Jul 2025WEX WexBusiness ServicesSEC FORM 4 Code A—178filing
15 May 2025filed 19 May 2025WEX Wexoption or derivative · Business ServicesSEC FORM 4 Code A—1,567 at $0.00filing
9 May 2025filed 13 May 2025WEX Wexoption or derivative · Business ServicesSEC FORM 4 Code M—960 at $0.00filing

Sectors

Financials5

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

Related people

Grace E. DaileyDirector · Director at Citigroup, filing Form 4 there in the last year
Gary M. ReinerDirector · Director at Citigroup, filing Form 4 there in the last year
Titilope ColeDirector · Director at Citigroup, filing Form 4 there in the last year
Casper Wilhelm von KoskullDirector · Director at Citigroup, filing Form 4 there in the last year
John Cunningham DuganDirector · Director at Citigroup, filing Form 4 there in the last year
Maria Elvira SalazarRepresentative, FL-27 · Also traded C in the last 90 days