Bialecki Andrew, Co-Chief Executive Officer of Klaviyo, Inc. ($KVYO), sold shares on the open market 46 times over the last 365 days, totaling about $470 million. His most recent sale occurred on March 10, 2026. These KVYO insider sales rank 32nd among 11,678 individuals in our database, far exceeding the average of $8.6 million per insider and 6.4 transactions. Bialecki Andrew made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 200000 | $0.00 | 200,000.0000 | 290,896,895 | 9999.99% | 0.07% |
| March 31, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 200000 | $0.00 | 76,338,758.0000 | 290,896,895 | 0.26% | 0.07% |
| March 31, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 200000 | $19.42 | 0.0000 | 290,896,895 | 100.00% | 0.07% |
| March 24, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 200000 | $0.00 | 200,000.0000 | 290,896,895 | 9999.99% | 0.07% |
| March 24, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 200000 | $0.00 | 76,538,758.0000 | 290,896,895 | 0.26% | 0.07% |
| March 24, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 200000 | $18.17 | 0.0000 | 290,896,895 | 100.00% | 0.07% |
| March 17, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 97379 | $19.60 | 102,621.0000 | 290,896,895 | 48.69% | 0.03% |
| March 17, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 102621 | $19.15 | 0.0000 | 290,896,895 | 100.00% | 0.04% |
| March 17, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 200000 | $0.00 | 76,738,758.0000 | 290,896,895 | 0.26% | 0.07% |
| March 17, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 200000 | $0.00 | 200,000.0000 | 290,896,895 | 9999.99% | 0.07% |
| March 10, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 206127 | $19.96 | 700.0000 | 290,896,895 | 99.66% | 0.07% |
| March 10, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 206827 | $0.00 | 206,827.0000 | 290,896,895 | 9999.99% | 0.07% |
| March 10, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 206827 | $0.00 | 76,938,758.0000 | 290,896,895 | 0.27% | 0.07% |
| March 10, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 700 | $19.34 | 0.0000 | 290,896,895 | 100.00% | 0.00% |
| March 3, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 154022 | $18.86 | 45,978.0000 | 290,896,895 | 77.01% | 0.05% |
| March 3, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 200000 | $0.00 | 200,000.0000 | 290,896,895 | 9999.99% | 0.07% |
| March 3, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 200000 | $0.00 | 77,145,585.0000 | 290,896,895 | 0.26% | 0.07% |
| March 3, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 45978 | $17.90 | 0.0000 | 290,896,895 | 100.00% | 0.02% |
| Feb. 24, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 160356 | $16.86 | 39,644.0000 | 290,896,895 | 80.18% | 0.06% |
| Feb. 24, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 200000 | $0.00 | 200,000.0000 | 290,896,895 | 9999.99% | 0.07% |
| Feb. 24, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 200000 | $0.00 | 77,345,585.0000 | 290,896,895 | 0.26% | 0.07% |
| Feb. 24, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 39644 | $16.38 | 0.0000 | 290,896,895 | 100.00% | 0.01% |
| Jan. 27, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 150689 | $25.34 | 4,530.0000 | 290,896,895 | 97.08% | 0.05% |
| Jan. 27, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 155219 | $0.00 | 77,545,585.0000 | 290,896,895 | 0.20% | 0.05% |
| Jan. 27, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 4530 | $24.94 | 0.0000 | 290,896,895 | 100.00% | 0.00% |
| Jan. 27, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 155219 | $0.00 | 155,219.0000 | 290,896,895 | 9999.99% | 0.05% |
| Jan. 20, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 167130 | $24.16 | 796.0000 | 290,896,895 | 99.53% | 0.06% |
| Jan. 20, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 167926 | $0.00 | 77,700,804.0000 | 290,896,895 | 0.22% | 0.06% |
| Jan. 20, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 796 | $23.29 | 0.0000 | 290,896,895 | 100.00% | 0.00% |
| Jan. 20, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 167926 | $0.00 | 167,926.0000 | 290,896,895 | 9999.99% | 0.06% |
| Jan. 13, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 90327 | $27.29 | 0.0000 | 290,896,895 | 100.00% | 0.03% |
| Jan. 13, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 140646 | $0.00 | 77,868,730.0000 | 290,896,895 | 0.18% | 0.05% |
| Jan. 13, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 50319 | $27.62 | 90,327.0000 | 290,896,895 | 35.78% | 0.02% |
| Jan. 13, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 140646 | $0.00 | 140,646.0000 | 290,896,895 | 9999.99% | 0.05% |
| Jan. 6, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 137504 | $0.00 | 137,504.0000 | 290,896,895 | 9999.99% | 0.05% |
| Jan. 7, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 16649 | $0.00 | 78,009,376.0000 | 290,896,895 | 0.02% | 0.01% |
| Jan. 6, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series B Common Stock | 137504 | $0.00 | 78,026,025.0000 | 290,896,895 | 0.18% | 0.05% |
| Jan. 7, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 16649 | $30.01 | 0.0000 | 290,896,895 | 100.00% | 0.01% |
| Jan. 7, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | C | Series A Common Stock | 16649 | $0.00 | 16,649.0000 | 290,896,895 | 9999.99% | 0.01% |
| Jan. 6, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 2382 | $28.52 | 0.0000 | 290,896,895 | 100.00% | 0.00% |
| Jan. 6, 2026 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Co-Chief Executive Officer | S | Series A Common Stock | 135122 | $28.92 | 2,382.0000 | 290,896,895 | 98.27% | 0.05% |
| Dec. 22, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 93066 | $33.05 | 6,934.0000 | 300,828,017 | 93.07% | 0.03% |
| Dec. 22, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 100000 | $0.00 | 78,163,529.0000 | 300,828,017 | 0.13% | 0.03% |
| Dec. 22, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 6934 | $31.94 | 0.0000 | 300,828,017 | 100.00% | 0.00% |
| Dec. 22, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 100000 | $0.00 | 100,000.0000 | 300,828,017 | 9999.99% | 0.03% |
| Dec. 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 138648 | $29.04 | 0.0000 | 300,828,017 | 100.00% | 0.05% |
| Dec. 17, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 100000 | $0.00 | 78,263,529.0000 | 300,828,017 | 0.13% | 0.03% |
| Dec. 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 138648 | $0.00 | 78,363,529.0000 | 300,828,017 | 0.18% | 0.05% |
| Dec. 17, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 100000 | $30.40 | 0.0000 | 300,828,017 | 100.00% | 0.03% |
| Dec. 17, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 100000 | $0.00 | 100,000.0000 | 300,828,017 | 9999.99% | 0.03% |
| Dec. 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 138648 | $0.00 | 138,648.0000 | 300,828,017 | 9999.99% | 0.05% |
| Dec. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 17777 | $30.00 | 0.0000 | 300,828,017 | 100.00% | 0.01% |
| Dec. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 3419000 | $0.00 | 78,502,177.0000 | 300,828,017 | 4.17% | 1.14% |
| Dec. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 17777 | $0.00 | 81,921,177.0000 | 300,828,017 | 0.02% | 0.01% |
| Dec. 10, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 82223 | $0.00 | 81,938,954.0000 | 300,828,017 | 0.10% | 0.03% |
| Dec. 9, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 131362 | $0.00 | 82,021,177.0000 | 300,828,017 | 0.16% | 0.04% |
| Dec. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | G | Series A Common Stock | 3419000 | $0.00 | 0.0000 | 300,828,017 | 100.00% | 1.14% |
| Dec. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 3419000 | $0.00 | 3,419,000.0000 | 300,828,017 | 9999.99% | 1.14% |
| Dec. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 17777 | $0.00 | 17,777.0000 | 300,828,017 | 9999.99% | 0.01% |
| Dec. 10, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 82223 | $30.12 | 0.0000 | 300,828,017 | 100.00% | 0.03% |
| Dec. 10, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 82223 | $0.00 | 82,223.0000 | 300,828,017 | 9999.99% | 0.03% |
| Dec. 9, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 800 | $28.84 | 0.0000 | 300,828,017 | 100.00% | 0.00% |
| Dec. 9, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 131362 | $0.00 | 131,362.0000 | 300,828,017 | 9999.99% | 0.04% |
| Dec. 9, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 130562 | $29.42 | 800.0000 | 300,828,017 | 99.39% | 0.04% |
| Dec. 2, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 142045 | $0.00 | 82,153,491.0000 | 300,828,017 | 0.17% | 0.05% |
| Dec. 2, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 142045 | $0.00 | 142,045.0000 | 300,828,017 | 9999.99% | 0.05% |
| Dec. 2, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 142045 | $28.62 | 0.0000 | 300,828,017 | 100.00% | 0.05% |
| Dec. 4, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 952 | $0.00 | 952.0000 | 300,828,017 | 9999.99% | 0.00% |
| Dec. 4, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 952 | $30.00 | 0.0000 | 300,828,017 | 100.00% | 0.00% |
| Dec. 4, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 952 | $0.00 | 82,152,539.0000 | 300,828,017 | 0.00% | 0.00% |
| Nov. 24, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 144717 | $27.76 | 0.0000 | 300,828,017 | 100.00% | 0.05% |
| Nov. 24, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 144717 | $0.00 | 144,717.0000 | 300,828,017 | 9999.99% | 0.05% |
| Nov. 24, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 144717 | $0.00 | 82,295,536.0000 | 300,828,017 | 0.18% | 0.05% |
| Nov. 18, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 147329 | $0.00 | 82,440,253.0000 | 300,828,017 | 0.18% | 0.05% |
| Nov. 18, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 147329 | $27.16 | 0.0000 | 300,828,017 | 100.00% | 0.05% |
| Nov. 18, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 147329 | $0.00 | 147,329.0000 | 300,828,017 | 9999.99% | 0.05% |
| Nov. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 140464 | $0.00 | 140,464.0000 | 300,828,017 | 9999.99% | 0.05% |
| Nov. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 140464 | $0.00 | 82,587,582.0000 | 300,828,017 | 0.17% | 0.05% |
| Nov. 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 140464 | $29.74 | 0.0000 | 300,828,017 | 100.00% | 0.05% |
| Oct. 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 163331 | $24.37 | 0.0000 | 300,828,017 | 100.00% | 0.05% |
| Oct. 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 163331 | $0.00 | 82,728,046.0000 | 300,828,017 | 0.20% | 0.05% |
| Oct. 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 163331 | $0.00 | 163,331.0000 | 300,828,017 | 9999.99% | 0.05% |
| Oct. 7, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 159508 | $0.00 | 159,508.0000 | 300,828,017 | 9999.99% | 0.05% |
| Oct. 7, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 159508 | $0.00 | 82,891,377.0000 | 300,828,017 | 0.19% | 0.05% |
| Oct. 7, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 144890 | $25.32 | 14,618.0000 | 300,828,017 | 90.84% | 0.05% |
| Oct. 7, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 14618 | $25.07 | 0.0000 | 300,828,017 | 100.00% | 0.00% |
| Sept. 30, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 28811 | $27.70 | 0.0000 | 266,336,826 | 100.00% | 0.01% |
| Sept. 30, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 137224 | $0.00 | 83,050,885.0000 | 266,336,826 | 0.16% | 0.05% |
| Sept. 30, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 137224 | $0.00 | 137,224.0000 | 266,336,826 | 9999.99% | 0.05% |
| Sept. 30, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 17960 | $31.24 | 119,264.0000 | 266,336,826 | 13.09% | 0.01% |
| Sept. 30, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 6048 | $30.28 | 113,216.0000 | 266,336,826 | 5.07% | 0.00% |
| Sept. 30, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 44672 | $29.03 | 68,544.0000 | 266,336,826 | 39.46% | 0.02% |
| Sept. 30, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 39733 | $28.22 | 28,811.0000 | 266,336,826 | 57.97% | 0.01% |
| Sept. 23, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 211358 | $0.00 | 83,188,109.0000 | 266,336,826 | 0.25% | 0.08% |
| Sept. 23, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 29805 | $35.01 | 0.0000 | 266,336,826 | 100.00% | 0.01% |
| Sept. 23, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 181553 | $35.52 | 29,805.0000 | 266,336,826 | 85.90% | 0.07% |
| Sept. 23, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 211358 | $0.00 | 211,358.0000 | 266,336,826 | 9999.99% | 0.08% |
| Sept. 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 226382 | $0.00 | 83,399,467.0000 | 266,336,826 | 0.27% | 0.08% |
| Sept. 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 226382 | $0.00 | 226,382.0000 | 266,336,826 | 9999.99% | 0.08% |
| Sept. 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 140921 | $32.71 | 85,461.0000 | 266,336,826 | 62.25% | 0.05% |
| Sept. 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 85461 | $31.76 | 0.0000 | 266,336,826 | 100.00% | 0.03% |
| Sept. 9, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 220481 | $0.00 | 220,481.0000 | 266,336,826 | 9999.99% | 0.08% |
| Sept. 9, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 220481 | $0.00 | 83,625,849.0000 | 266,336,826 | 0.26% | 0.08% |
| Sept. 9, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 220481 | $31.96 | 0.0000 | 266,336,826 | 100.00% | 0.08% |
| Sept. 2, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 128877 | $31.18 | 94,427.0000 | 266,336,826 | 57.71% | 0.05% |
| Sept. 2, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 223304 | $0.00 | 223,304.0000 | 266,336,826 | 9999.99% | 0.08% |
| Sept. 2, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 223304 | $0.00 | 83,846,330.0000 | 266,336,826 | 0.27% | 0.08% |
| Sept. 2, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 94427 | $30.76 | 0.0000 | 266,336,826 | 100.00% | 0.04% |
| Aug. 26, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 226702 | $0.00 | 226,702.0000 | 266,336,826 | 9999.99% | 0.09% |
| Aug. 28, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 3500000 | $0.00 | 84,069,634.0000 | 266,336,826 | 4.00% | 1.31% |
| Aug. 28, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | G | Series A Common Stock | 3500000 | $0.00 | 0.0000 | 266,336,826 | 100.00% | 1.31% |
| Aug. 26, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 226702 | $0.00 | 87,569,634.0000 | 266,336,826 | 0.26% | 0.09% |
| Aug. 28, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 3500000 | $0.00 | 3,500,000.0000 | 266,336,826 | 9999.99% | 1.31% |
| Aug. 26, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 10269 | $31.21 | 0.0000 | 266,336,826 | 100.00% | 0.00% |
| Aug. 26, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 216433 | $31.51 | 10,269.0000 | 266,336,826 | 95.47% | 0.08% |
| June 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | G | Series A Common Stock | 100000 | $0.00 | 0.0000 | 266,336,826 | 100.00% | 0.04% |
| June 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 100000 | $0.00 | 87,796,336.0000 | 266,336,826 | 0.11% | 0.04% |
| June 11, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 100000 | $0.00 | 100,000.0000 | 266,336,826 | 9999.99% | 0.04% |
| May 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | M | Stock Option (Right to Buy) | 5600000 | $0.00 | 0.0000 | 266,336,826 | 100.00% | 2.10% |
| May 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | M | Stock Option (Right to Buy) | 15829184 | $0.00 | 0.0000 | 266,336,826 | 100.00% | 5.94% |
| May 16, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | S | Series A Common Stock | 10969078 | $32.90 | 0.0000 | 266,336,826 | 100.00% | 4.12% |
| May 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series A Common Stock | 10969078 | $0.00 | 10,969,078.0000 | 266,336,826 | 9999.99% | 4.12% |
| May 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | C | Series B Common Stock | 10969078 | $0.00 | 87,896,336.0000 | 266,336,826 | 11.09% | 4.12% |
| May 14, 2025 | Klaviyo, Inc. | $KVYO | Bialecki Andrew | Chief Executive Officer | M | Series B Common Stock | 21429184 | $0.01 | 98,865,414.0000 | 266,336,826 | 27.67% | 8.05% |