Insiders who reported open-market trades in the last 12 months at the companies Andrew Bialecki files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
SUMMIT PARTNERS L P - $88.55M in KVYO purchases and sales in the last 12 months
Ed Hallen - $5.61M in KVYO purchases and sales in the last 12 months
Landon Edmond - $2.68M in KVYO purchases and sales in the last 12 months
Amanda Whalen - $2.48M in KVYO purchases and sales in the last 12 months
Carmel Galvin - $307K in KVYO purchases and sales in the last 12 months
Jennifer Ceran - $300K in KVYO purchases and sales in the last 12 months
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Andrew Bialecki is a corporate insider, tracked as Co-Chief Executive Officer, Director, 10% Owner of Klaviyo, Inc. (KVYO). InsiderAlpha holds 26 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Andrew Bialecki last file a Form 4?
The most recent primary Form 4 on record is dated 29 May 2026, one of 26 filings going back to 2025.
Has Andrew Bialecki been buying or selling stock?
Recorded transactions: 0 open-market purchases and 45 open-market sales ($114.80M) across all tracked filings.
Andrew Bialecki is Co-Chief Executive Officer, Director, 10% Owner of Klaviyo, Inc. (KVYO). 26 SEC Form 4 filings on record going back to 2025, most recently on 29 May 2026. Most recent open-market trade: sold $3.11M of KVYO on 29 May 2026. Lifetime open-market sales: $114.80M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Andrew Bialecki.
InsiderAlpha's records for Andrew Bialecki go back to 2025: 26 primary Form 4 filings, an average of 13.0 per year. 73 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
