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Who

Steven M. Chaouki

President, US Markets

Company insider

Files Form 4 as: President, US Markets, TransUnion; Director, MAIA Biotechnology.

In numbers

Trades disclosed
126
Buys
4
Sells
45
Bought
$171K
Sold
$13.5M
Companies
2
Companies where not an officer
1
First trade
25 Oct 2019
Last trade
15 Oct 2026
Last filed
16 Oct 2026

Companies traded

Where they are an officer
TRU TransUnionOfficer · Exchanges & fin. data · last 15 Oct 20260 buys · 45 sells
Everywhere else they filed: board seats, 10% stakes, other companies
MAIA MAIA BiotechnologyDirector · Biotechnology · last 30 Sep 20264 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
201Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Oct 2026filed 16 Oct 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$70K1,000 at $70.00filing
30 Sep 2026filed 2 Oct 2026MAIA MAIA Biotechnologyoption or derivative · BiotechnologySEC FORM 4 Code A—32,774 at $0.00filing
1 Sep 2026filed 3 Sep 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$84K1,000 at $84.42filing
1 Sep 2026filed 3 Sep 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$84K1,000 at $84.42filing
28 Aug 2026filed 1 Sep 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Code F$687K8,018 at $85.67filing
28 Aug 2026filed 1 Sep 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Code F$687K8,018 at $85.67filing
3 Aug 2026filed 4 Aug 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$80K1,000 at $79.96filing
3 Aug 2026filed 4 Aug 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$80K1,000 at $79.96filing
1 Jul 2026filed 2 Jul 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$726K10,000 at $72.64filing
1 Jul 2026filed 2 Jul 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$726K10,000 at $72.64filing
30 Jun 2026filed 2 Jul 2026MAIA MAIA Biotechnologyoption or derivative · BiotechnologySEC FORM 4 Code A—26,982 at $0.00filing
30 Jun 2026filed 2 Jul 2026MAIA MAIA Biotechnologyoption or derivative · BiotechnologySEC FORM 4 Code A—26,982 at $0.00filing
1 Jun 2026filed 3 Jun 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$354K5,000 at $70.73filing
1 Jun 2026filed 3 Jun 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$354K5,000 at $70.73filing
18 May 2026filed 19 May 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Code F$1.1M16,063 at $68.60filing
18 May 2026filed 19 May 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Code F$1.1M16,063 at $68.60filing
12 May 2026filed 14 May 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Code A—36,258 at $0.00filing
12 May 2026filed 14 May 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Code A—36,258 at $0.00filing
1 May 2026filed 4 May 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$360K5,000 at $71.93filing
1 May 2026filed 4 May 2026TRU TransUnionExchanges & fin. dataSEC FORM 4 Sold$360K5,000 at $71.93filing

Sectors

Financials45
Health Care4

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

Related people

Mohamed AbdelsadekEVP, Chief Global Solutions · EVP, Chief Global Solutions at TransUnion, filing Form 4 there in the last year
Malte H. BernholzEVP, Chief Strategy & Corp Dev · EVP, Chief Strategy & Corp Dev at TransUnion, filing Form 4 there in the last year
Todd C. SkinnerPresident, International · President, International at TransUnion, filing Form 4 there in the last year
Venkat AchantaEVP, Chief Tech, Data & Analy. · EVP, Chief Tech, Data & Analy. at TransUnion, filing Form 4 there in the last year
Clayton F. RuebensaalEVP, Chief Marketing & Comms · EVP, Chief Marketing & Comms at TransUnion, filing Form 4 there in the last year
Vlad VitocChief Executive Officer · Also traded MAIA in the last 90 days
Ramiro GuerreroDirector · Also traded MAIA in the last 90 days
Jennifer A. WilliamsSVP, Chief Accounting Officer · Also traded TRU in the last 90 days