Notice of Proposed Sale · 144
Datadog, Inc.
DDOGNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- Datadog, Inc.
- Issuer CIK
- 0001561550
- SEC file number
- 001-39051
- Phone
- 8663294466
- Person for whose account securities are to be sold
- AGARWAL 2018 FAMILY TRUST
- Relationships to issuer
- Director
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Class A Common | 20,000 | 5,221,800.00 | 330,825,798 | 07/09/2026 | NASDAQ | Morgan Stanley Smith Barney LLC Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC Executive Financial Services
- Street
- 1 New York Plaza
- Street (continued)
- 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Class A Common | 04/07/2021 | Previously Exercised Stock Options | Issuer | 20,000 | N | 04/07/2021 | Cash |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 07/02/2026 | 20,000 | 5,224,412.00 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 06/25/2026 | 20,000 | 4,402,376.00 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 06/18/2026 | 20,000 | 4,418,366.00 |
| Agarwal Jan Family Foundation | Class A Common | 06/16/2026 | 10,000 | 2,324,900.00 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 06/12/2026 | 20,000 | 4,631,192.00 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 05/11/2026 | 20,000 | 4,002,638.00 |
| 10b5-1 Sales for A-J-M 2025 NON-EXEMPT TRUST | Class A Common | 05/07/2026 | 38,893 | 7,444,057.97 |
| 10b5-1 Sales for A-J-K 2025 NON-EXEMPT TRUST | Class A Common | 05/07/2026 | 38,893 | 7,444,057.97 |
| 10b5-1 Sales for A-J-I 2025 NON-EXEMPT TRUST | Class A Common | 05/07/2026 | 38,896 | 7,444,632.17 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 05/04/2026 | 20,000 | 2,894,938.00 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 04/27/2026 | 20,000 | 2,629,398.00 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 04/20/2026 | 20,000 | 2,519,524.00 |
| 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST | Class A Common | 04/15/2026 | 20,000 | 2,400,000.00 |
Seller — prior-sale row 1, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 2, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 3, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 4, entry 1
- Name
- Agarwal Jan Family Foundation
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 5, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 6, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 7, entry 1
- Name
- 10b5-1 Sales for A-J-M 2025 NON-EXEMPT TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 8, entry 1
- Name
- 10b5-1 Sales for A-J-K 2025 NON-EXEMPT TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 9, entry 1
- Name
- 10b5-1 Sales for A-J-I 2025 NON-EXEMPT TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 10, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 11, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 12, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Seller — prior-sale row 13, entry 1
- Name
- 10b5-1 Sales for AGARWAL 2018 FAMILY TRUST
- Street
- 620 8th Avenue, 45th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10018
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Remarks
The securities to be sold were acquired upon the previous exercise of stock options during the period of 04/07/2021 through 07/14/2021. Securities to be sold, acquired through RSU/PSU or upon option exercise, were registered on Form S-8.
Notice signature
- Notice date
- 07/09/2026
- Signed
- /s/ Ellen Jan
- Plan adoption dates
- 03/13/2026