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Who

David Kostman

Director

Company insider

Files Form 4 as: Director, Nice; Chief Executive Officer, Teads Holding Co; Director, Unity Software.

In numbers

Trades disclosed
70
Buys
4
Sells
0
Bought
$186K
Sold
$0
Companies
3
Companies where not an officer
2
First trade
28 Dec 2021
Last trade
30 Sep 2026
Last filed
2 Oct 2026

Companies traded

Where they are an officer
TEAD Teads Holding CoDirector, Officer · IT Services & Consulting · last 5 Jun 20264 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
NICE NiceDirector · Software · last 30 Sep 20260 buys · 0 sells
U Unity SoftwareDirector · Software · last 5 Jun 20240 buys · 0 sells

Activity over time

1 Mar 2025 – 1 Oct 2026
02Mar 25Aug 25Jan 26May 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Sep 2026filed 2 Oct 2026NICE NiceSoftwareSEC FORM 4 Code F$5345 at $106.81filing
5 Jun 2026filed 9 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$35K28,411 at $1.22filing
5 Jun 2026filed 9 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$9,0517,870 at $1.15filing
5 Jun 2026filed 9 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$7,7236,716 at $1.15filing
5 Jun 2026filed 9 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$35K28,411 at $1.22filing
5 Jun 2026filed 9 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$9,0517,870 at $1.15filing
5 Jun 2026filed 9 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$7,7236,716 at $1.15filing
2 Jun 2026filed 2 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Bought$14K13,500 at $1.07filing
2 Jun 2026filed 2 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Bought$14K13,500 at $1.07filing
1 Jun 2026filed 2 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Bought$18K15,000 at $1.19filing
1 Jun 2026filed 2 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Bought$18K15,000 at $1.19filing
29 May 2026filed 2 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Bought$21K18,000 at $1.16filing
29 May 2026filed 2 Jun 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Bought$21K18,000 at $1.16filing
13 May 2026filed 18 May 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code A—324,000 at $0.00filing
13 May 2026filed 18 May 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code A—324,000 at $0.00filing
7 Mar 2026filed 10 Mar 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$6,4347,660 at $0.84filing
7 Mar 2026filed 10 Mar 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$9,27611,043 at $0.84filing
7 Mar 2026filed 10 Mar 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$11K13,680 at $0.84filing
7 Mar 2026filed 10 Mar 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$6,4347,660 at $0.84filing
7 Mar 2026filed 10 Mar 2026TEAD Teads Holding CoIT Services & ConsultingSEC FORM 4 Code F$9,27611,043 at $0.84filing

News

Teads (NASDAQ:TEAD) versus Zhihu (NYSE:ZH) Critical SurveyTEAD · dailypolitical.com · 9 Oct 2026Baidu (NASDAQ:BIDU) vs. Teads (NASDAQ:TEAD) Critical AnalysisTEAD · dailypolitical.com · 8 Oct 2026

0 headlines in the last 90 days name David Kostman; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Technology4

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

Related people

Jason KiviatChief Financial Officer · Chief Financial Officer at Teads Holding Co, filing Form 4 there in the last year
Wenkai BradshawCAO & SVP Corporate Controller · CAO & SVP Corporate Controller at Teads Holding Co, filing Form 4 there in the last year
Mary SpilmanChief Commercial Officer · Chief Commercial Officer at Teads Holding Co, filing Form 4 there in the last year
Mark ZagorskiChief Executive Officer · Director at Teads Holding Co, filing Form 4 there in the last year
B. Das NithyaDirector · Director at Teads Holding Co, filing Form 4 there in the last year