InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
5
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Bialecki Andrew, Chief Executive Officer. Officer active across 1 company, notably Klaviyo, Inc.. Cumulatively, 36 filings have been published. Split: 0 buy · 5 sells. Total volume traded: €12.1m. History available since 14 May 2025. The latest transaction was filed on 26 May 2026 (Cession). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Bialecki Andrew
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Declarations36 total
212,529 sharesSeries A Common StockSEC:0001470831-26-000495:0
212,529 shares@ US$14.610.027% mcap100.0% of flowSeries A Common StockSEC:0001470831-26-000495:1
200,000 sharesSeries A Common StockSEC:0001470831-26-000440:0
200,000 sharesSeries A Common StockSEC:0001470831-26-000375:0
109,142 shares@ US$17.390.036% mcap28.8% of flowSeries A Common StockSEC:0001470831-26-000375:1
90,858 shares@ US$16.940.029% mcap23.4% of flowSeries A Common StockSEC:0001470831-26-000375:2
200,000 sharesSeries A Common StockSEC:0001470831-26-000355:0
200,000 shares@ US$18.6336.4% of flowSeries A Common StockSEC:0001470831-26-000355:1
200,000 sharesSeries A Common StockSEC:0001470831-26-000342:0
200,000 shares@ US$19.4227.7% of flowSeries A Common StockSEC:0001470831-26-000342:1
200,000 sharesSeries A Common StockSEC:0001470831-26-000318:0
200,000 sharesSeries A Common StockSEC:0001470831-26-000299:0
206,827 sharesSeries A Common StockSEC:0001470831-26-000262:0
200,000 sharesSeries A Common StockSEC:0001470831-26-000247:0
200,000 sharesSeries A Common StockSEC:0001470831-26-000222:0
155,219 sharesSeries A Common StockSEC:0001470831-26-000061:0
167,926 sharesSeries A Common StockSEC:0001470831-26-000051:0
140,646 sharesSeries A Common StockSEC:0001470831-26-000037:0
137,504 sharesSeries A Common StockSEC:0001470831-26-000022:0
100,000 sharesSeries A Common StockSEC:0001470831-25-000452:0
138,648 sharesSeries A Common StockSEC:0001470831-25-000431:0
131,362 sharesSeries A Common StockSEC:0001470831-25-000395:0
142,045 sharesSeries A Common StockSEC:0001470831-25-000382:0
144,717 sharesSeries A Common StockSEC:0001470831-25-000372:0
147,329 sharesSeries A Common StockSEC:0001470831-25-000359:0
25 of 36 declarations
About Bialecki Andrew
Bialecki Andrew is Directeur Général and Co-Chief Executive Officer of Klaviyo, Inc. He has 36 filings in total, and in the sampled recent filings from 2025-05-16 to 2026-05-28, sales total 12125248 EUR and purchases are zero.
