Klaviyo, Inc. (KVYO) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending January 10, 2026, the three most significant insider holders at Klaviyo are TenPercentOwner Capital Abeh, Llc Astral (5.13Mn shares), Chief People Officer Carmel Galvin (639.86K shares), Director Ed Hallen (525.25K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Capital Abeh, Llc Astral 5,129,342 15 Feb, 2024
Carmel Galvin Chief People Officer 639,860 18 Nov, 2025
Ed Hallen 525,246 12 Sep, 2025
Amanda Whalen Chief Financial Officer 452,174 19 Dec, 2025
Stephen Eric Rowland President 434,294 17 Dec, 2025
Landon Edmond Chief Legal Officer 353,882 19 Dec, 2025
Tony Weisman 110,185 11 Jun, 2025
Gomez Luciano Fernandez Interim Executive Officer 83,852 18 Nov, 2025
Fund I, L.P. Accomplice 26,720 23 Oct, 2023
Roxanne Oulman 14,352 11 Jun, 2025
Jennifer Ceran 14,352 11 Jun, 2025
Ledger Susan St. 10,939 12 Sep, 2025
Jeff Fagnan 3,900 10 Apr, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
07 Jan, 2026 Andrew Bialecki Series A Common Stock D 16,649 $30.01 0 D S
07 Jan, 2026 Andrew Bialecki Series A Common Stock A 16,649 - 16,649 D C
06 Jan, 2026 Andrew Bialecki Series A Common Stock A 137,504 - 137,504 D C
06 Jan, 2026 Andrew Bialecki Series A Common Stock D 2,382 $28.52 0 D S
06 Jan, 2026 Andrew Bialecki Series A Common Stock D 135,122 $28.92 2,382 D S
22 Dec, 2025 Andrew Bialecki Series A Common Stock A 100,000 - 100,000 D C
22 Dec, 2025 Andrew Bialecki Series A Common Stock D 6,934 $31.94 0 D S
22 Dec, 2025 Andrew Bialecki Series A Common Stock D 93,066 $33.05 6,934 D S
18 Dec, 2025 Amanda Whalen Series A Common Stock D 13,540 $31.41 452,634 D S
18 Dec, 2025 Amanda Whalen Series A Common Stock D 460 $30.59 452,174 D S
18 Dec, 2025 Amanda Whalen - - 452,634 D
18 Dec, 2025 Landon Edmond Series A Common Stock D 13,718 $31.41 354,354 D S
18 Dec, 2025 Landon Edmond Series A Common Stock D 472 $30.55 353,882 D S
17 Dec, 2025 Andrew Bialecki Series A Common Stock A 100,000 - 100,000 D C
17 Dec, 2025 Andrew Bialecki Series A Common Stock D 100,000 $30.40 0 D S
17 Dec, 2025 Ed Hallen - - 133,624 I
17 Dec, 2025 Ed Hallen Series A Common Stock D 34,878 $30.35 133,624 I S
17 Dec, 2025 Ed Hallen Series A Common Stock D 82,672 $30.37 525,246 I S
17 Dec, 2025 Ed Hallen - - 525,246 I
16 Dec, 2025 Andrew Bialecki Series A Common Stock D 138,648 $29.04 0 D S