DDOG

Datadog, Inc.

NasdaqTechnologyServices-Prepackaged Software

Insider activity for last month from 09/19 to 10/19.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$28.7M19 sells
Net open-market−$28.7MBuying minus selling
Active insiders3Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 09, 2026

Open-market transaction mix · 19 transactions in the selected period
0 buys0%·100%19 sells

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Sep 20260100$0$14.0M-$14.0M
Oct 2026091$0$14.7M-$14.7M

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (2)
Sep 2026: 2 insidersOct 2026: 2 insiders
Sep 2026Oct 2026
3distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
2 insiders
  • LA
    Le-Quoc AlexisCTO · 0 buys · 4 sells · 0 awards (A)
    -$8.5Mlast 09/25/2026
  • OM
    Obstler David MCFO · 0 buys · 2 sells · 0 awards (A)
    -$3.1Mlast 09/23/2026

DDOG transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
DDOGDatadog, Inc.
Le-Quoc AlexisCTOS · sale10b5-1 detectedSEC filing ↗-$2.43MView disclosure →
DDOGDatadog, Inc.
Le-Quoc AlexisCTOS · sale10b5-1 detectedSEC filing ↗-$5.53MView disclosure →
DDOGDatadog, Inc.
Le-Quoc AlexisCTOS · sale10b5-1 detectedSEC filing ↗-$343kView disclosure →
DDOGDatadog, Inc.
Le-Quoc AlexisCTOS · sale10b5-1 detectedSEC filing ↗-$160kView disclosure →
DDOGDatadog, Inc.
Le-Quoc AlexisCTOC · unknown10b5-1 detectedSEC filing ↗$0View disclosure →
DDOGDatadog, Inc.
Obstler David MCFOC · unknown10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
DDOGDatadog, Inc.
Obstler David MCFOC · unknown10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
DDOGDatadog, Inc.
Obstler David MCFOS · sale10b5-1 detectedSEC filing ↗-$723kView disclosure →
DDOGDatadog, Inc.
Obstler David MCFOC · unknown10b5-1 detectedSEC filing ↗$0View disclosure →
DDOGDatadog, Inc.
Obstler David MCFOS · sale10b5-1 detectedSEC filing ↗-$2.41MView disclosure →
Recent filing activity
Most recent 6 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$5.53M
10b5-1 detected29
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
30transactionstxns
  • S · Open-market sells · dominant19 · 63%
  • C · Code C8 · 27%
  • M · Option exercise2 · 7%
  • A · Grants / awards1 · 3%

Activity by reported role

A joint filing can contribute to multiple roles
CTO24
Chief financial officer5
Director1

Reported Holdings After

Separated by insider, security, and ownership type

Le-Quoc AlexisClass A Common Stock · Direct
541.9k488.0kSep 23, 2026Oct 07, 2026
488,033Oct 07, 2026
Le-Quoc AlexisClass B Common Stock · Direct
2.2M2.1MSep 23, 2026Oct 07, 2026
2,116,806Oct 07, 2026
Obstler David MClass A Common Stock · Indirect · By Trust
3.0k0Sep 21, 2026Sep 21, 2026
0Sep 21, 2026
Obstler David MClass B Common Stock · Indirect · By Trust
31.2k31.2kSep 21, 2026Sep 21, 2026
31,199Sep 21, 2026
Obstler David MClass A Common Stock · Direct
368.1k368.1kSep 21, 2026Sep 21, 2026
368,067Sep 21, 2026
Phillips DominicClass A Common Stock · Direct
6.4k6.4kOct 01, 2026Oct 01, 2026
6,368Oct 01, 2026
Le-Quoc AlexisStock Option (Right to Buy) · Direct
120.6k120.6kOct 07, 2026Oct 07, 2026
120,562Oct 07, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
2 active days
Sep 19 → Oct 19
LessMore

Datadog, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Datadog, Inc.?

Le-Quoc Alexis, Phillips Dominic, OBSTLER DAVID M.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Le-Quoc Alexis reported a sale on Oct 07, 2026 valued at $168k. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $28,786,305.08. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.