Bialecki Andrew 4

What Happened Andrew Bialecki, CEO of Klaviyo, reported conversions and open‑market sales on March 17, 2026. He converted 200,000 shares of Series B common stock into Series A common stock (reported as a conversion/acquisition). He also sold 97,379 shares at a weighted average price of $19.60 for $1,908,628, and 102,621 shares at a weighted average price of $19.15 for $1,965,192 — total proceeds about $3,873,820. A corresponding disposition of 200,000 derivative securities (the converted Series B) was reported with no cash proceeds.

Key Details

• Transaction date: March 17, 2026; Form 4 filed March 19, 2026 (appears timely).
• Sales: 97,379 shares @ $19.60 (weighted) = $1,908,628; 102,621 shares @ $19.15 (weighted) = $1,965,192; combined proceeds ≈ $3,873,820.
• Price ranges: the first sale block transacted in prices from $19.33 to $20.32; the second block ranged $19.10 to $19.32. The reporting person will provide a per‑price breakdown on request (footnotes F3 & F4).
• Conversion: 200,000 Series B shares were converted to Series A (per footnote F2); the derivative disposition is reported at $0 (no cash exchanged).
• Plan: Sales were executed under a Rule 10b5‑1 trading plan adopted May 20, 2025 (footnote F1).
• Trust holdings: several shares are held in family trusts for which Bialecki disclaims beneficial ownership except to the extent of any pecuniary interest (footnotes F5–F7).
• Shares owned after the transactions: not specified in the provided filing.

Context

• These were open‑market sales (typical liquidity transactions); the conversion simply reflects changing Series B shares into Series A on a 1:1 basis as described in the filing. The report shows routine insider selling under a pre‑arranged 10b5‑1 plan rather than an immediate, discretionary sale.