OBSTLER DAVID M

PrivateCIK: 1120741
Location

NEW YORK, NY

OBSTLER DAVID M (Chief Financial Officer) sold 9.6% of their position (40K shares) of DATADOG, INC. on the open market

Open‑market sale worth $9.10M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 13 sales
InsiderOBSTLER DAVID MCIK 1120741
→
IssuerDATADOG, INC.CIK 1561550
Officer· Chief Financial Officer
Since Sep 2019
-40K
Net shares
Net seller
$9.10M
Total sold
13
Open market trades
0B · 13S
13
Total transactions
40K disposed
Non-Derivative Transactions13

Class A Common Stock

Direct
S · Sale

Shares

−2.66K

Price / share

$221.24

Trade value

$587.61K

% of position

0.6%
9/14/2026
418.07K→415.41K

Class A Common Stock

Direct
S · Sale

Shares

−5.42K

Price / share

$222.17

Trade value

$1.21M

% of position

1.3%
9/14/2026
415.41K→409.99K

Class A Common Stock

Direct
S · Sale

Shares

−2.45K

Price / share

$223.12

Trade value

$547.08K

% of position

0.6%
9/14/2026
409.99K→407.54K

Class A Common Stock

Direct
S · Sale

Shares

−1.80K

Price / share

$224.34

Trade value

$404.04K

% of position

0.4%
9/14/2026
407.54K→405.73K

Class A Common Stock

Direct
S · Sale

Shares

−3.94K

Price / share

$225.13

Trade value

$887.02K

% of position

1.0%
9/14/2026
405.73K→401.79K

Class A Common Stock

Direct
S · Sale

Shares

−629.00

Price / share

$226.19

Trade value

$142.27K

% of position

0.2%
9/14/2026
401.79K→401.17K

Class A Common Stock

Direct
S · Sale

Shares

−562.00

Price / share

$227.72

Trade value

$127.98K

% of position

0.1%
9/14/2026
401.17K→400.60K

Class A Common Stock

Direct
S · Sale

Shares

−1.19K

Price / share

$228.58

Trade value

$271.78K

% of position

0.3%
9/14/2026
400.60K→399.41K

Class A Common Stock

Direct
S · Sale

Shares

−9.62K

Price / share

$229.92

Trade value

$2.21M

% of position

2.4%
9/14/2026
399.41K→389.79K

Class A Common Stock

Direct
S · Sale

Shares

−5.63K

Price / share

$230.51

Trade value

$1.30M

% of position

1.4%
9/14/2026
389.79K→384.17K

Class A Common Stock

Direct
S · Sale

Shares

−2.41K

Price / share

$231.53

Trade value

$558.92K

% of position

0.6%
9/14/2026
384.17K→381.75K

Class A Common Stock

Direct
S · Sale

Shares

−3.06K

Price / share

$232.71

Trade value

$711.39K

% of position

0.8%
9/14/2026
381.75K→378.69K

Class A Common Stock

Direct
S · Sale

Shares

−628.00

Price / share

$233.30

Trade value

$146.51K

% of position

0.2%
9/14/2026
378.69K→378.07K
Total

Net shares

−40K

Net value

-$9.10M

Derivative Transactions0
No derivative transactions reported
OBSTLER DAVID M — Insider Transaction (Form 4) Filed Sep 16, 2026 | Finecho