Summit Partners L P sold $127M of KVYO
owner at Klaviyo, Inc.. 4,000,000 shares at an average of $31.87, traded Sep 8, 2025, filed Sep 10, 2025.
Score components
- +12Role10% owner
- +25Trade size$127.5M at market
- +20Share of holdings soldSold 100% of holdings
- +15Cluster6 insiders selling within 14 days
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 -21.7%, 3m -5.4%, 6m -36.3%.
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 0000950170-25-113988, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 8, 2025 | CConversion Series A Common Stock, par value $0.001 per shareindirect: See footnotes | +4,000,000 | - | - | 4,000,000 | Sep 10, 2025 |
| Sep 8, 2025 | SOpen-market sale Series A Common Stock, par value $0.001 per shareindirect: See footnotes | -4,000,000 | $31.87 | $127M | 0 | Sep 10, 2025 |
| Sep 8, 2025 | CConversion Series B Common Stock, par value $0.001 per sharederivativeindirect: See footnotes | +4,000,000 | $0.00 | $0 | 18,852,778 | Sep 10, 2025 |
Related signals
Other insiders at Klaviyo, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 40Moderate | 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% | |
| 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% | |
| 65Notable | Klaviyo, Inc. | Andrew Bialecki Co-Chief Executive Officer | $3.0M 200,000 shares | -100% | |
| 31Weak | Klaviyo, Inc. | Susan St. Ledger director | $133k 9,334 shares | -46% | |
| 29Weak | Klaviyo, Inc. | Amanda Whalen Chief Financial Officer | $200k 14,000 shares | -2% |
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.