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Who

David M. Obstler

Chief Financial Officer

Company insider

Files Form 4 as: Chief Financial Officer, Datadog; Director, Braze; Chief Financial Officer, Msci; Chief Financial Officer, RiskMetrics Group.

In numbers

Trades disclosed
896
Buys
1
Sells
150
Bought
$405K
Sold
$417.3M
Companies
4
Companies where not an officer
1
First trade
23 Feb 2009
Last trade
21 Sep 2026
Last filed
23 Sep 2026

Companies traded

Where they are an officer
DDOG DatadogOfficer · Software · last 21 Sep 20261 buy · 129 sells
MSCI MsciOfficer · Exchanges & fin. data · last 12 Apr 20120 buys · 9 sells
RiskMetrics GroupOfficer · last 1 Jun 20100 buys · 12 sells
Everywhere else they filed: board seats, 10% stakes, other companies
BRZE BrazeDirector · Software · last 30 Jun 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
60Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$2.4M10,000 at $241.25filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$724K3,000 at $241.25filing
21 Sep 2026filed 23 Sep 2026DDOG Datadogoption or derivative · SoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG Datadogoption or derivative · SoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$724K3,000 at $241.25filing
21 Sep 2026filed 23 Sep 2026DDOG Datadogoption or derivative · SoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG Datadogoption or derivative · SoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$2.4M10,000 at $241.25filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$724K3,000 at $241.25filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Code C—3,000 at $0.00filing
21 Sep 2026filed 23 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$724K3,000 at $241.25filing
14 Sep 2026filed 16 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Code C—12,000 at $0.00filing
14 Sep 2026filed 16 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$661K2,873 at $229.92filing
14 Sep 2026filed 16 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$389K1,689 at $230.51filing
14 Sep 2026filed 16 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$168K724 at $231.53filing
14 Sep 2026filed 16 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$214K918 at $232.71filing
14 Sep 2026filed 16 Sep 2026DDOG DatadogSoftwareSEC FORM 4 Sold$44K190 at $233.30filing

The newest 500 lines are listed; the numbers count every line.

Sectors

Technology130
Financials9
Not placed12

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

Related people

Andrew C. WiechmannChief Financial Officer · Chief Financial Officer at Msci, filing Form 4 there in the last year
Alexis Le-QuocChief Technology Officer · Chief Technology Officer at Datadog, filing Form 4 there in the last year
Dominic PhillipsOfficer · Director at Datadog, filing Form 4 there in the last year
Kerry AcocellaGeneral Counsel and Secretary · General Counsel and Secretary at Datadog, filing Form 4 there in the last year
Sean Michael WaltersChief Revenue Officer · Chief Revenue Officer at Datadog, filing Form 4 there in the last year
Ro KhannaRepresentative, CA-17 · Also traded DDOG and MSCI in the last 90 days
Donald J. TrumpPresident · Also traded DDOG and MSCI in the last 90 days
Jonathan L. JacksonRepresentative, IL-01 · Also traded DDOG in the last 90 days