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, 12 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.
Declarations12 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
100,000 sharesSeries A Common StockSEC:0001835830-25-000069:0
10,969,078 shares0Series A Common StockSEC:0001835830-25-000060:0
12 of 12 declarations
About Bialecki Andrew
Andrew Bialecki is the Co-Chief Executive Officer of Klaviyo, Inc. He oversees the company's operations and is responsible for implementing growth strategies. With a strong background in the technology sector, he leads efforts to develop innovative solutions. His leadership is essential in positioning Klaviyo as a leader in the field of digital marketing.
