| Mar 23, 2026 | Other Conversion · Class B Common Stock → 32,418 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | -32,418 | — | — | 2,608,734 | low |
| Mar 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -2,307 | $130.05 | $300.0K | 437,257 | medium |
| Mar 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -12,259 | $129.25 | $1.58M | 439,564 | medium |
| Mar 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -4,386 | $128.18 | $562.2K | 451,823 | medium |
| Mar 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -1,760 | $127.33 | $224.1K | 456,209 | medium |
| Mar 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -11,306 | $125.67 | $1.42M | 457,969 | medium |
| Mar 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -400 | $124.72 | $49.9K | 469,275 | low |
| Mar 23, 2026 | Other Conversion | Class A Common Stock | DDOG Datadog, Inc. | +32,418 | — | — | 469,675 | low |
| Mar 10, 2026 | Other Conversion · Class B Common Stock → 53,912 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | -53,912 | — | — | 2,641,152 | low |
| Mar 10, 2026 | Other Option exercise · Class B Common Stock → 18,750 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | +18,750 | — | — | 2,695,064 | low |
| Mar 10, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -11,798 | $128.60 | $1.52M | 437,257 | medium |
| Mar 10, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -5,376 | $127.69 | $686.4K | 449,055 | medium |
| Mar 10, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -2,124 | $126.31 | $268.3K | 454,431 | medium |
| Mar 10, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -9,014 | $125.53 | $1.13M | 456,555 | medium |
| Mar 10, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -7,798 | $124.47 | $970.7K | 465,569 | medium |
| Mar 10, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -12,867 | $123.32 | $1.59M | 473,367 | medium |
| Mar 10, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -4,935 | $122.54 | $604.7K | 486,234 | medium |
| Mar 10, 2026 | Other Conversion | Class A Common Stock | DDOG Datadog, Inc. | +10,688 | — | — | 491,169 | low |
| Mar 10, 2026 | Other Conversion | Class A Common Stock | DDOG Datadog, Inc. | +43,224 | — | — | 480,481 | low |
| Mar 2, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -53,541 | $110.54 | $5.92M | 437,257 | medium |
| Feb 23, 2026 | Other Option exercise · Class B Common Stock → 112,500 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | +112,500 | — | — | 2,676,314 | low |
| Feb 23, 2026 | Other Conversion · Class B Common Stock → 21,612 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | -21,612 | — | — | 2,563,814 | low |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -400 | $111.30 | $44.5K | 490,798 | low |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -400 | $110.42 | $44.2K | 491,198 | low |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -1,600 | $109.42 | $175.1K | 491,598 | medium |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -1,600 | $108.44 | $173.5K | 493,198 | medium |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -1,100 | $107.34 | $118.1K | 494,798 | medium |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -3,900 | $106.29 | $414.5K | 495,898 | medium |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -800 | $105.23 | $84.2K | 499,798 | low |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -2,800 | $104.02 | $291.3K | 500,598 | medium |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -1,300 | $103.10 | $134.0K | 503,398 | medium |
| Feb 23, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -7,712 | $102.09 | $787.3K | 504,698 | medium |
| Feb 23, 2026 | Other Conversion | Class A Common Stock | DDOG Datadog, Inc. | +21,612 | $0.00 | $0 | 512,410 | low |
| Feb 11, 2026 | Other Conversion · Class B Common Stock → 32,418 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | -32,418 | — | — | 2,585,426 | low |
| Feb 11, 2026 | Other Conversion · Class B Common Stock → 10,688 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | -10,688 | — | — | 2,617,844 | low |
| Feb 11, 2026 | Other Option exercise · Class B Common Stock → 18,750 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | +18,750 | — | — | 2,628,532 | low |
| Feb 11, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -9,402 | $131.17 | $1.23M | 490,798 | medium |
| Feb 11, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -1,704 | $128.77 | $219.4K | 500,200 | medium |
| Feb 11, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -6,032 | $127.05 | $766.4K | 501,904 | medium |
| Feb 11, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -8,377 | $126.06 | $1.06M | 507,936 | medium |
| Feb 11, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -10,560 | $125.11 | $1.32M | 516,313 | medium |
| Feb 11, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -3,761 | $124.08 | $466.6K | 526,873 | medium |
| Feb 11, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -3,270 | $123.12 | $402.6K | 530,634 | medium |
| Feb 11, 2026 | Other Conversion | Class A Common Stock | DDOG Datadog, Inc. | +32,418 | $0.00 | $0 | 533,904 | low |
| Feb 11, 2026 | Other Conversion | Class A Common Stock | DDOG Datadog, Inc. | +10,688 | $0.00 | $0 | 501,486 | low |
| Feb 5, 2026 | Other Grant / award | Class A Common Stock | DDOG Datadog, Inc. | +189,340 | $0.00 | $0 | 490,798 | low |
| Jan 28, 2026 | Other Conversion · Class B Common Stock → 32,418 Class A Common Stock | Class B Common Stock | DDOG Datadog, Inc. | -32,418 | — | — | 2,609,782 | low |
| Jan 28, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -1,808 | $142.74 | $258.1K | 301,458 | medium |
| Jan 28, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -9,927 | $141.58 | $1.41M | 303,266 | medium |
| Jan 28, 2026 | Sell | Class A Common Stock | DDOG Datadog, Inc. | -17,352 | $140.68 | $2.44M | 313,193 | medium |