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Klaviyo stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−28.1% to $20.71
Klaviyo (KVYO) stock fell 28% over the last 252 sessions, to $20.71. On the way it reported 4 quarters, its insiders filed 2 open-market trades and 14 Form 144 notices of planned sales, and the company filed 3 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 6, 2026 | Form 144 | Form 144: Roxanne Oulman plans to sell $285K | −0.5% (−0.8% vs SPY) | — | — |
| Nov 6, 2026 | Form 144 | Form 144: Roxanne Oulman plans to sell $285K | −0.5% (−0.8% vs SPY) | — | — |
| Nov 5, 2026 | Form 144 | Form 144: Ed Hallen plans to sell $2.0M | −2.6% (+1.9% vs SPY) | — | — |
| Nov 4, 2026 | Earnings | Earnings: beat the EPS estimate by 25.3% | +0.1% (−1.5% vs SPY) | — | — |
| Oct 7, 2026 | Form 144 | Form 144: Ed Hallen plans to sell $1.7M | +4.8% (+5.0% vs SPY) | +2.1% (+2.2% vs SPY) | +25.2% (+26.8% vs SPY) |
| Sep 17, 2026 | Form 144 | Form 144: Amanda Whalen plans to sell $682K | −2.2% (−3.4% vs SPY) | +3.3% (+1.3% vs SPY) | +10.9% (+8.3% vs SPY) |
| Sep 11, 2026 | Form 144 | Form 144: Ledger Susan St. plans to sell $37K | +1.4% (+0.6% vs SPY) | −1.6% (−2.2% vs SPY) | +7.1% (+4.2% vs SPY) |
| Aug 31, 2026 | Form 144 | Form 144: Landon Ramon Edmond plans to sell $163K | +2.1% (+2.4% vs SPY) | −8.0% (−8.1% vs SPY) | −27.8% (−27.4% vs SPY) |
| Aug 31, 2026 | Form 144 | Form 144: Ed Hallen plans to sell $2.0M | +2.1% (+2.4% vs SPY) | −8.0% (−8.1% vs SPY) | −27.8% (−27.4% vs SPY) |
| Aug 28, 2026 | Form 144 | Form 144: Landon Edmond plans to sell $1.0M | +2.7% (+2.9% vs SPY) | +0.8% (+0.5% vs SPY) | −24.1% (−23.7% vs SPY) |
| Aug 11, 2026 | Form 144 | Form 144: Summit Partners Growth Equity Fund Ix-A, L.P. plans to sell $54.3M | +2.7% (+3.0% vs SPY) | −1.9% (−1.8% vs SPY) | −9.4% (−8.0% vs SPY) |
| Aug 11, 2026 | Form 144 | Form 144: Summit Partners Growth Equity Fund Ix-B, L.P. plans to sell $33.9M | +2.7% (+3.0% vs SPY) | −1.9% (−1.8% vs SPY) | −9.4% (−8.0% vs SPY) |
| Aug 11, 2026 | Form 144 | Form 144: Summit Investors GE Ix-Vc IV, LLC plans to sell $285K | +2.7% (+3.0% vs SPY) | −1.9% (−1.8% vs SPY) | −9.4% (−8.0% vs SPY) |
| Aug 11, 2026 | Form 144 | Form 144: Summit Partners Co-Invest (Kiwi) L.P. plans to sell $3.3M | +2.7% (+3.0% vs SPY) | −1.9% (−1.8% vs SPY) | −9.4% (−8.0% vs SPY) |
| Aug 11, 2026 | Form 144 | Form 144: Summit Investors GE IX/VC IV (UK), L.P. plans to sell $37K | +2.7% (+3.0% vs SPY) | −1.9% (−1.8% vs SPY) | −9.4% (−8.0% vs SPY) |
| Aug 11, 2026 | Insider sale | Summit Partners Co-Invest (Kiwi), LP sold $88.5M | +2.7% (+3.0% vs SPY) | −1.9% (−1.8% vs SPY) | −9.4% (−8.0% vs SPY) |
| Aug 5, 2026 | Earnings | Earnings: missed the EPS estimate by -0.4% | +1.0% (+1.2% vs SPY) | −4.0% (−3.9% vs SPY) | +1.1% (+1.9% vs SPY) |
| Jul 13, 2026 | 8-K | Directors and officers: departures, appointments, pay | +3.2% (+4.0% vs SPY) | +4.4% (+5.9% vs SPY) | +5.5% (+3.1% vs SPY) |
| May 5, 2026 | 8-K | Directors and officers: departures, appointments, pay | −38.9% (−40.3% vs SPY) | −47.9% (−49.9% vs SPY) | −39.1% (−43.6% vs SPY) |
| May 5, 2026 | Earnings | Earnings: beat the EPS estimate by 11.3% | +3.8% (+3.0% vs SPY) | −37.0% (−39.9% vs SPY) | −35.9% (−40.8% vs SPY) |
| Feb 12, 2026 | Insider buy | Ceran Jennifer bought $300K | −9.4% (−7.9% vs SPY) | −11.4% (−10.3% vs SPY) | −6.2% (−1.8% vs SPY) |
| Feb 10, 2026 | Earnings | Earnings: beat the EPS estimate by 10.3% | +7.0% (+7.3% vs SPY) | −10.3% (−8.6% vs SPY) | +0.9% (+3.5% vs SPY) |
| Dec 9, 2025 | 8-K | Directors and officers: departures, appointments, pay | −3.4% (−3.3% vs SPY) | −5.4% (−5.0% vs SPY) | −8.2% (−9.4% vs SPY) |
Insiders’ record here
In the year on the chart, Klaviyo's insiders reported 1 open-market buy ($300K) and 1 sale ($88.5M). Of the 1 old enough to score, 0 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was −32.4% and after a sale —.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Klaviyo: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.