Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-08-06 10:31 am Sale | 2026-06-30 | 13G | KLAVIYO INC SER A KVYO | FMR LLC | 6,566,155 4.700% | -1,673,876 (-20.31%) | Filing History |
| 2026-08-05 6:45 pm Sale | 2026-06-30 | 13G | KLAVIYO INC SER A KVYO | Bialecki Andrew | 75,326,229 36.500% | -2,837,300 (-3.63%) | Filing History |
| 2026-07-31 10:43 am Purchase | 2026-06-30 | 13G | KLAVIYO INC SER A KVYO | VANGUARD CAPITAL MANAGEMENT LLC | 7,051,508 5.000% | 7,051,508 (New Position) | Filing History |
| 2026-07-29 3:19 pm Purchase | 2026-06-30 | 13G | KLAVIYO INC SER A KVYO | BlackRock Inc. BLK | 7,462,388 5.300% | 5,666,458 (+315.52%) | Filing History |
| 2026-05-14 12:52 pm Sale | 2026-03-31 | 13G | KLAVIYO INC SER A KVYO | Capital International Investors | 11,703,859 8.000% | -1,084,987 (-8.48%) | Filing History |
| 2026-04-29 2:17 pm Purchase | 2026-03-31 | 13G | KLAVIYO INC SER A KVYO | VANGUARD PORTFOLIO MANAGEMENT LLC | 7,531,915 5.170% | 7,531,915 (New Position) | Filing History |
| 2026-03-27 10:17 am Sale | 2026-03-13 | 13G | KLAVIYO INC SER A KVYO | VANGUARD GROUP INC | 0 0.000% | -10,728,178 (Position Closed) | Filing History |
| 2026-03-06 4:15 pm Sale | 2026-02-28 | 13G | KLAVIYO INC SER A KVYO | Morgan Stanley MS | 5,988,235 4.100% | -8,549,791 (-58.81%) | Filing History |
| 2026-02-13 4:30 pm Purchase | 2025-12-31 | 13G | KLAVIYO INC SER A KVYO | Capital International Investors | 12,788,846 9.300% | 12,788,846 (New Position) | Filing History |
| 2026-02-10 5:08 pm Sale | 2025-12-31 | 13G | KLAVIYO INC SER A KVYO | Bialecki Andrew | 78,163,529 35.100% | -4,887,356 (-5.88%) | Filing History |
| 2026-01-08 4:22 pm Purchase | 2025-12-31 | 13G | KLAVIYO INC SER A KVYO | Morgan Stanley MS | 14,538,026 10.500% | 4,216,106 (+40.85%) | Filing History |
| 2025-11-14 5:02 pm Purchase | 2025-08-29 | 13D | KLAVIYO INC SER A KVYO | SHOPIFY INC | 32,027,518 18.850% | 1,033,146 (+3.33%) | Filing History |
| 2025-11-13 4:05 pm Sale | 2025-09-30 | 13G | KLAVIYO INC SER A KVYO | SUMMIT PARTNERS L P | 18,852,778 12.030% | -11,975,000 (-38.84%) | Filing History |
| 2025-11-07 12:04 pm Purchase | 2025-09-30 | 13G | KLAVIYO INC SER A KVYO | Morgan Stanley MS | 10,321,920 8.400% | 10,321,920 (New Position) | Filing History |
| 2025-11-05 4:19 pm Sale | 2025-09-30 | 13G | KLAVIYO INC SER A KVYO | Hallen Ed | 32,879,098 19.400% | -110,008 (-0.33%) | Filing History |
| 2025-11-05 4:17 pm Sale | 2025-09-30 | 13G | KLAVIYO INC SER A KVYO | Bialecki Andrew | 83,050,885 37.700% | -4,745,451 (-5.41%) | Filing History |
| 2025-11-05 11:40 am Purchase | 2025-09-30 | 13G | KLAVIYO INC SER A KVYO | FMR LLC | 8,240,031 6.700% | 8,240,031 (New Position) | Filing History |
| 2025-08-08 4:33 pm Sale | 2025-06-30 | 13G | KLAVIYO INC SER A KVYO | SUMMIT PARTNERS L P | 30,827,778 20.870% | -8,000,000 (-20.60%) | Filing History |
| 2025-08-05 4:24 pm Sale | 2025-06-30 | 13G | KLAVIYO INC SER A KVYO | Bialecki Andrew | 87,796,336 42.900% | -11,069,078 (-11.20%) | Filing History |
| 2025-07-07 1:20 pm Purchase | 2025-06-30 | 13G | KLAVIYO INC SER A KVYO | VANGUARD GROUP INC | 10,728,178 10.150% | 3,652,951 (+51.63%) | Filing History |