Andrew Bialecki sold $4.1M of KVYO
Co-Chief Executive Officer at Klaviyo, Inc.. 206,827 shares at an average of $19.96, traded Mar 10, 2026, filed Mar 12, 2026.
Score components
- +25RoleCEO
- +25Trade size$4.1M at market
- +20Share of holdings soldSold 100% of holdings
- +15Cluster3 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -14.9%, 3m -25.8%, 6m -16.3%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001470831-26-000262, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 10, 2026 | CConversion Series A Common Stock10b5-1 | +206,827 | - | - | 206,827 | Mar 12, 2026 |
| Mar 10, 2026 | SOpen-market sale Series A Common Stock10b5-1 | -206,127 | $19.96 | $4.1M | 700 | Mar 12, 2026 |
| Mar 10, 2026 | SOpen-market sale Series A Common Stock10b5-1 | -700 | $19.34 | $14k | 0 | Mar 12, 2026 |
| Mar 10, 2026 | CConversion Series B Common Stockderivative10b5-1 | -206,827 | $0.00 | $0 | 68,344,118 | Mar 12, 2026 |
Related signals
Other insiders at Klaviyo, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 16, 2026 | Klaviyo, Inc. | Ed Hallen director, owner | $1.7M 97,482 shares | -104% | |
| 3Weak | Klaviyo, Inc. | Ed Hallen director, owner | $22k 1,300 shares | -1% | |
| 16Weak | Klaviyo, Inc. | Susan St. Ledger director | $37k 2,328 shares | -9% | |
| 40Moderate | Klaviyo, Inc. | Landon Edmond Chief Legal Officer | $1.2M 61,576 shares | -11% | |
| 55Moderate | Klaviyo, Inc. | Ed Hallen director, owner | $2.0M 98,782 shares | -74% | |
| 30Weak | Klaviyo, Inc. | Amanda Whalen Chief Financial Officer | $259k 14,000 shares | -2% | |
| 65Notable | Klaviyo, Inc. | Summit Partners L P owner | $89M 5,000,000 shares | -100% | |
| 15Weak | Klaviyo, Inc. | Amanda Whalen Chief Financial Officer | $249k 14,000 shares | -2% | |
| 14Weak | Klaviyo, Inc. | Amanda Whalen Chief Financial Officer | $185k 14,000 shares | -2% | |
| 65Notable | Klaviyo, Inc. | Andrew Bialecki Co-Chief Executive Officer | $3.1M 212,529 shares | -100% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.