InsiderTrades

Bialecki Andrew

SEC CIK 1991099 · EDGAR

Buying vs selling by month open-market trades, last 24 months, KVYO
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
KVYOKlaviyo, Inc.Co-CEO, Dir, 10% 212.5K — $497.40M 662025-05-142026-05-26

Most active insiders at KVYO, 12 months

#InsiderTitleBoughtSold
1 Bialecki AndrewCo-CEO, Dir, 10% —$100.59M
2 SUMMIT PARTNERS L P10% —$88.55M
3 Hallen EdDir, 10% —$7.49M
4 Whalen AmandaCFO —$3.30M
5 Edmond LandonCLO —$3.12M
6 Rowland Stephen EricPres —$576.8K
7 Galvin CarmelCHRO —$306.9K
8 Ceran JenniferDir $300.3K—
9 St. Ledger SusanDir —$170.3K
10 Smith Erica EllenCFO ——

Transactions 66

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-05-28 20:08 2026-05-26 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +212.5K 212.5K New —
DT 2026-05-28 20:08 2026-05-26 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $14.61 -212.5K 0 -100% -$3.11M
DT 2026-05-20 20:03 2026-05-19 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
DT 2026-05-20 20:03 2026-05-19 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $14.88 -200.0K 0 -100% -$2.98M
DT 2026-05-14 20:06 2026-05-12 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
DMT 2026-05-14 20:06 2026-05-12 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $14.61 -200.0K 0 -100% -$2.92M
DT 2026-04-16 20:04 2026-04-14 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
DMT 2026-04-16 20:04 2026-04-14 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $17.19 -200.0K 0 -100% -$3.44M
DT 2026-04-09 20:04 2026-04-07 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
DT 2026-04-09 20:04 2026-04-07 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $18.63 -200.0K 0 -100% -$3.73M
DT 2026-04-02 20:04 2026-03-31 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
DT 2026-04-02 20:04 2026-03-31 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $19.42 -200.0K 0 -100% -$3.88M
D 2026-03-26 2026-03-24 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
D 2026-03-26 2026-03-24 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $18.17 -200.0K 0 -100% -$3.63M
D 2026-03-19 2026-03-17 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
DM 2026-03-19 2026-03-17 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $19.37 -200.0K 102.6K -66% -$3.87M
D 2026-03-12 2026-03-10 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +206.8K 206.8K New —
DM 2026-03-12 2026-03-10 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $19.96 -206.8K 0 -100% -$4.13M
DM 2026-03-05 2026-03-03 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $18.64 -200.0K 46.0K -81% -$3.73M
D 2026-03-05 2026-03-03 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
D 2026-02-26 2026-02-24 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +200.0K 200.0K New —
DM 2026-02-26 2026-02-24 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $16.76 -200.0K 0 -100% -$3.35M
D 2026-01-29 2026-01-27 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +155.2K 155.2K New —
DM 2026-01-29 2026-01-27 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $25.33 -155.2K 0 -100% -$3.93M
D 2026-01-22 2026-01-20 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +167.9K 167.9K New —
DM 2026-01-22 2026-01-20 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $24.16 -167.9K 796 -100% -$4.06M
DM 2026-01-15 2026-01-13 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $27.41 -140.6K 90.3K -61% -$3.85M
D 2026-01-15 2026-01-13 KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +140.6K 140.6K New —
DM 2026-01-08 2026-01-06+ KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% S - Sale $29.03 -154.2K 2,382 -98% -$4.48M
DM 2026-01-08 2026-01-06+ KVYO Klaviyo, Inc. Bialecki Andrew Co-CEO, Dir, 10% C - Cnv Deriv — +154.2K 137.5K New —
DM 2025-12-23 2025-12-22 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $32.97 -100.0K 6,934 -94% -$3.30M
D 2025-12-23 2025-12-22 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +100.0K 100.0K New —
DM 2025-12-17 2025-12-16+ KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +238.6K 100.0K New —
DM 2025-12-17 2025-12-16+ KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $29.61 -238.6K 0 -100% -$7.07M
DM 2025-12-11 2025-12-09+ KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +3.65M 131.4K New —
DM 2025-12-11 2025-12-09+ KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $29.71 -231.4K 0 -100% -$6.87M
D 2025-12-11 2025-12-11 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% G - Gift $0.00 -3.42M 0 -100% $0
DM 2025-12-04 2025-12-02+ KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +143.0K 142.0K New —
DM 2025-12-04 2025-12-02+ KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $28.63 -143.0K 0 -100% -$4.09M
D 2025-11-26 2025-11-24 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $27.76 -144.7K 0 -100% -$4.02M
D 2025-11-26 2025-11-24 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +144.7K 144.7K New —
D 2025-11-20 2025-11-18 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $27.16 -147.3K 0 -100% -$4.00M
D 2025-11-20 2025-11-18 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +147.3K 147.3K New —
D 2025-11-13 2025-11-11 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +140.5K 140.5K New —
D 2025-11-13 2025-11-11 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $29.74 -140.5K 0 -100% -$4.18M
D 2025-10-16 2025-10-14 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $24.37 -163.3K 0 -100% -$3.98M
D 2025-10-16 2025-10-14 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +163.3K 163.3K New —
DM 2025-10-09 2025-10-07 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $25.30 -159.5K 14.6K -92% -$4.04M
D 2025-10-09 2025-10-07 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +159.5K 159.5K New —
DM 2025-10-02 2025-09-30 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $28.86 -137.2K 0 -100% -$3.96M
D 2025-10-02 2025-09-30 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +137.2K 137.2K New —
DM 2025-09-25 2025-09-23 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $35.45 -211.4K 29.8K -88% -$7.49M
D 2025-09-25 2025-09-23 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +211.4K 211.4K New —
DM 2025-09-17 2025-09-16 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $32.35 -226.4K 0 -100% -$7.32M
D 2025-09-17 2025-09-16 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +226.4K 226.4K New —
D 2025-09-11 2025-09-09 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +220.5K 220.5K New —
D 2025-09-11 2025-09-09 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $31.96 -220.5K 0 -100% -$7.05M
DM 2025-09-04 2025-09-02 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $31.00 -223.3K 94.4K -70% -$6.92M
D 2025-09-04 2025-09-02 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +223.3K 223.3K New —
DM 2025-08-28 2025-08-26+ KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +3.73M 226.7K New —
D 2025-08-28 2025-08-28 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% G - Gift $0.00 -3.50M 0 -100% $0
DM 2025-08-28 2025-08-26 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $31.50 -226.7K 10.3K -96% -$7.14M
D 2025-06-11 2025-06-11 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv — +100.0K 100.0K New —
D 2025-06-11 2025-06-11 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% G - Gift $0.00 -100.0K 0 -100% $0
D 2025-05-16 2025-05-16 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% S - Sale $32.90 -10.97M 0 -100% -$360.88M
D 2025-05-16 2025-05-14 KVYO Klaviyo, Inc. Bialecki Andrew CEO, Dir, 10% C - Cnv Deriv $0.00 +10.97M 10.97M New $0

Purchase Sale Sale after option exercise All abbreviations