KVYO insider transaction filings
Klaviyo, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-17. Screen KVYO transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 12 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 8 legs across 6 filings by 10 insiders — 5,190,686 shares, $92,353,045 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 15.
- Largest priced transaction: sale of 5,000,000 shares @ $17.71 ($88,550,000) by SUMMIT PARTNERS L P, filed 2026-08-13.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| SUMMIT PARTNERS L P — 10% owner & Summit Partners Growth Equity Fund IX-A, L.P. — 10% owner & Summit Partners Growth Equity Fund IX-B, L.P. — 10% owner & Summit Partners Co-Invest (Kiwi), LP — 10% owner & SUMMIT INVESTORS GE IX/VC IV, LLC — 10% owner & SUMMIT INVESTORS GE IX/VC IV (UK), L.P. — 10% owner | 1 | — | 1 leg · 5,000,000 sh · $88,550,000 | 2 |
| Hallen Ed — Director, 10% owner | 1 | — | 2 legs · 98,782 sh · $2,023,260 | 1 |
| Edmond Landon — Chief Legal Officer | 2 | — | 2 legs · 61,576 sh · $1,235,620 | 1 |
| Whalen Amanda — Chief Financial Officer | 2 | — | 2 legs · 28,000 sh · $507,080 | 1 |
| St. Ledger Susan — Director | 1 | — | 1 leg · 2,328 sh · $37,085 | — |
| Fernandez Gomez Luciano — Co-Chief Executive Officer, Director | 1 | — | — | 3 |
| Oulman Roxanne — Director | 1 | — | — | 2 |
| Shopify Strategic Holdings 3 LLC — 10% owner & SHOPIFY INC. — 10% owner | 1 | — | — | 2 |
| Smith Erica Ellen — Chief Financial Officer | 1 | — | — | 2 |
| Galvin Carmel — Chief People Officer | 1 | — | — | 1 |
Recent Form 4 filings — Klaviyo, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-17 | 4 | Smith Erica Ellen — Chief Financial Officer | Grant/award (A): 821,917 @ $0 · Grant/award (A): 328,767 @ $0 | EDGAR |
| 2026-09-14 | 4 | St. Ledger Susan — Director | Sale (S): 2,328 @ $15.93 | EDGAR |
| 2026-09-01 | 4 | Hallen Ed — Director, 10% owner | Sale (S): 39,167 @ $20.47 · Sale (S): 59,615 @ $20.49 · Gift (G): 17,885 @ $0 | EDGAR |
| 2026-09-01 | 4 | Edmond Landon — Chief Legal Officer | Sale (S): 53,473 @ $20.01 · Sale (S): 8,103 @ $20.44 | EDGAR |
| 2026-08-31 | 4 | Shopify Strategic Holdings 3 LLC — 10% owner SHOPIFY INC. — 10% owner | Option exercise/expiry (X): 344,383 (derivative) @ $0 · Option exercise/expiry (X): 344,383 (derivative) @ $0.01 | EDGAR |
| 2026-08-18 | 4 | Edmond Landon — Chief Legal Officer | Tax withholding (F): 22,342 @ $18.49 | EDGAR |
| 2026-08-18 | 4 | Fernandez Gomez Luciano — Co-Chief Executive Officer, Director | Conversion (C): 7,001 · Tax withholding (F): 29,133 @ $18.49 · Conversion (C): 7,001 (derivative) @ $18.49 | EDGAR |
| 2026-08-18 | 4 | Galvin Carmel — Chief People Officer | Tax withholding (F): 30,541 @ $18.49 | EDGAR |
| 2026-08-18 | 4 | Whalen Amanda — Chief Financial Officer | Sale (S): 14,000 @ $18.47 · Tax withholding (F): 28,950 @ $18.49 | EDGAR |
| 2026-08-13 | 4 | SUMMIT PARTNERS L P — 10% owner Summit Partners Growth Equity Fund IX-A, L.P. — 10% owner Summit Partners Growth Equity Fund IX-B, L.P. — 10% owner Summit Partners Co-Invest (Kiwi), LP — 10% owner SUMMIT INVESTORS GE IX/VC IV, LLC — 10% owner SUMMIT INVESTORS GE IX/VC IV (UK), L.P. — 10% owner | Conversion (C): 5,000,000 · Sale (S): 5,000,000 @ $17.71 · Conversion (C): 5,000,000 (derivative) | EDGAR |
| 2026-07-24 | 4 | Oulman Roxanne — Director | Conversion (C): 16,775 · Conversion (C): 16,775 (derivative) @ $0 | EDGAR |
| 2026-07-17 | 4 | Whalen Amanda — Chief Financial Officer | Sale (S): 14,000 @ $17.75 | EDGAR |
| 2026-06-18 | 4 | Whalen Amanda — Chief Financial Officer | Sale (S): 14,000 @ $13.23 | EDGAR |
| 2026-06-11 | 4 | Fernandez Gomez Luciano — Co-Chief Executive Officer, Director | Tax withholding (F): 1,746 @ $14.78 | EDGAR |
| 2026-06-11 | 4 | Weisman Tony — Director | Grant/award (A): 14,822 @ $0 | EDGAR |
| 2026-06-11 | 4 | St. Ledger Susan — Director | Grant/award (A): 14,822 @ $0 | EDGAR |
| 2026-06-11 | 4 | Ceran Jennifer — Director | Grant/award (A): 14,822 @ $0 | EDGAR |
| 2026-06-11 | 4 | Oulman Roxanne — Director | Grant/award (A): 14,822 @ $0 · Conversion (C): 8,169 · Conversion (C): 8,169 (derivative) @ $0 | EDGAR |
| 2026-05-28 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 212,529 · Sale (S): 212,529 @ $14.61 · Conversion (C): 212,529 (derivative) @ $0 | EDGAR |
| 2026-05-20 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 200,000 @ $14.88 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-05-20 | 4 | St. Ledger Susan — Director | Conversion (C): 9,334 · Sale (S): 9,334 @ $14.27 · Conversion (C): 9,334 (derivative) @ $0 | EDGAR |
| 2026-05-18 | 4 | Edmond Landon — Chief Legal Officer | Tax withholding (F): 22,340 @ $14.38 | EDGAR |
| 2026-05-18 | 4 | Whalen Amanda — Chief Financial Officer | Conversion (C): 14,000 · Sale (S): 14,000 @ $14.26 · Conversion (C): 13,527 · Tax withholding (F): 42,476 @ $14.38 · Conversion (C): 14,000 (derivative) @ $0 · Conversion (C): 13,527 (derivative) @ $0 | EDGAR |
| 2026-05-18 | 4 | Galvin Carmel — Chief People Officer | Tax withholding (F): 30,541 @ $14.38 | EDGAR |
| 2026-05-18 | 4 | Fernandez Gomez Luciano — Co-Chief Executive Officer, Director | Tax withholding (F): 22,132 @ $14.38 | EDGAR |
| 2026-05-14 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 58,684 @ $14.97 · Sale (S): 141,316 @ $14.46 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-04-29 | 4 | Shopify Strategic Holdings 3 LLC — 10% owner SHOPIFY INC. — 10% owner | Option exercise/expiry (X): 344,381 (derivative) @ $0 · Option exercise/expiry (X): 344,381 (derivative) @ $0.01 | EDGAR |
| 2026-04-22 | 4 | Edmond Landon — Chief Legal Officer | Sale (S): 9,623 @ $20 | EDGAR |
| 2026-04-17 | 4 | Edmond Landon — Chief Legal Officer | Grant/award (A): 151,515 @ $0 · Grant/award (A): 129,870 @ $0 | EDGAR |
| 2026-04-17 | 4 | Whalen Amanda — Chief Financial Officer | Grant/award (A): 265,151 @ $0 · Grant/award (A): 227,272 @ $0 · Conversion (C): 4,293 · Sale (S): 14,000 @ $18.54 · Conversion (C): 4,293 (derivative) @ $0 | EDGAR |
| 2026-04-17 | 4 | Galvin Carmel — Chief People Officer | Grant/award (A): 189,393 @ $0 · Grant/award (A): 162,337 @ $0 | EDGAR |
| 2026-04-16 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 109,142 @ $17.39 · Sale (S): 90,858 @ $16.94 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-04-09 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 200,000 @ $18.63 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 200,000 @ $19.42 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-03-26 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 200,000 @ $18.17 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-03-19 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 97,379 @ $19.60 · Sale (S): 102,621 @ $19.15 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-03-13 | 4 | Edmond Landon — Chief Legal Officer | Sale (S): 14,366 @ $20.15 | EDGAR |
| 2026-03-13 | 4 | Whalen Amanda — Chief Financial Officer | Sale (S): 8,923 @ $19.72 · Sale (S): 5,077 @ $19.34 | EDGAR |
| 2026-03-12 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 206,827 · Sale (S): 206,127 @ $19.96 · Sale (S): 700 @ $19.34 · Conversion (C): 206,827 (derivative) @ $0 | EDGAR |
| 2026-03-05 | 4 | Edmond Landon — Chief Legal Officer | Sale (S): 15,093 @ $20.16 | EDGAR |
| 2026-03-05 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 154,022 @ $18.86 · Sale (S): 45,978 @ $17.90 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-02-26 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 200,000 · Sale (S): 160,356 @ $16.86 · Sale (S): 39,644 @ $16.38 · Conversion (C): 200,000 (derivative) @ $0 | EDGAR |
| 2026-02-18 | 4 | Edmond Landon — Chief Legal Officer | Conversion (C): 11,448 · Tax withholding (F): 24,561 @ $18.60 · Conversion (C): 11,052 · Conversion (C): 11,448 (derivative) @ $0 · Conversion (C): 11,052 (derivative) @ $0 | EDGAR |
| 2026-02-18 | 4 | Whalen Amanda — Chief Financial Officer | Conversion (C): 14,000 · Sale (S): 9,281 @ $19.01 · Sale (S): 4,719 @ $18.63 · Conversion (C): 29,513 · Tax withholding (F): 45,307 @ $18.60 · Conversion (C): 14,000 (derivative) @ $0 · +1 more | EDGAR |
| 2026-02-18 | 4 | Galvin Carmel — Chief People Officer | Tax withholding (F): 23,050 @ $18.60 | EDGAR |
| 2026-02-18 | 4 | Fernandez Gomez Luciano — Co-Chief Executive Officer, Director | Tax withholding (F): 23,308 @ $18.60 | EDGAR |
| 2026-02-17 | 4 | Ceran Jennifer — Director | Purchase (P): 16,339 @ $18.38 | EDGAR |
| 2026-01-30 | 4 | Shopify Strategic Holdings 3 LLC — 10% owner SHOPIFY INC. — 10% owner | Option exercise/expiry (X): 344,383 (derivative) @ $0 · Option exercise/expiry (X): 344,383 (derivative) @ $0.01 | EDGAR |
| 2026-01-29 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 155,219 · Sale (S): 150,689 @ $25.34 · Sale (S): 4,530 @ $24.94 · Conversion (C): 155,219 (derivative) @ $0 | EDGAR |
| 2026-01-22 | 4 | Bialecki Andrew — Co-Chief Executive Officer, Director, 10% owner | Conversion (C): 167,926 · Sale (S): 167,130 @ $24.16 · Sale (S): 796 @ $23.29 · Conversion (C): 167,926 (derivative) @ $0 | EDGAR |
Recent 8-K events — Klaviyo, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-13 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-09 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-02 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-10 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-09 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-02 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-09-25 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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