This is a routine pre-planned insider sale by a director following a vesting event — not indicative of fundamental concerns. The share count (9,334) and dollar value (~$133K) are immaterial. No trading action warranted. Monitor upcoming earnings for any guidance revision, but this filing has no standalone signal.
Price Chart
Executive Summary
Klaviyo director Susan St. Ledger filed a Form 144 notice of intent to sell 9,334 shares (approximately $133K at the filing). The shares were acquired via restricted stock vesting on 5/15/2026 and are compensation. This is a small, pre-planned sale by a non-executive director — the dollar amount represents less than 0.003% of Klaviyo's $4.3B market cap and is immaterial relative to typical insider holdings.
Key Facts
- Filer: Susan St. Ledger, a director of Klaviyo (not CEO/CFO)
- Proposed sale: 9,334 shares of Series A common stock
- Estimated value: $133,196.18 (~$14.27/share at filing)
- Shares acquired: via restricted stock vesting on 5/15/2026 (compensation)
- Broker: Fidelity Brokerage Services LLC
- Sale planned as soon as 5/18/2026 on NYSE
- Represents <0.003% of Klaviyo's $4.3B market cap
- Prior 30d insider activity: 2 sells totaling $1.1M (routine)
Financial Impact
$133K proposed sale, immaterial relative to $4.3B market cap
Risk Factors
- Insider sale could signal personal liquidity need, not company risk
- No risk from this filing-specific; routine Form 144
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001959173-26-003686 |
| Document: 0001959173-26-003686-index.html | 0001959173-26-003686 |
| Document: 0001959173-26-003686.txt | 0001959173-26-003686 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 7, 2026 19d ago | 144 | $17.57 | awaiting T+20 | — | $20.21 (+15.03%) |
Sep 11, 2026 6w ago | 144 | $16.36 $17.32 | ▲ +5.87% | ▲ +4.00% | $20.21 (+23.53%) |
Sep 1, 2026 7w ago | Insider Cluster | $19.31 $15.73 | ▼ −18.54% | ▼ −18.21% | $20.21 (+4.66%) |
Aug 18, 2026 9w ago | Insider Cluster | $18.20 $15.87 | ▲ +12.80% | ▲ +10.85% | $20.21 (−11.04%) |
Aug 18, 2026 9w ago | Insider Cluster | $18.20 $15.87 | ▲ +12.80% | ▲ +10.85% | $20.21 (−11.04%) |
Aug 11, 2026 10w ago | 144 | $17.25 $16.13 | ▲ +6.49% | ▲ +4.59% | $20.21 (−17.16%) |
May 20, 2026 22w ago | Insider Cluster | $14.91 $12.82 | ▼ −14.02% | ▼ −14.35% | $20.21 (+35.55%) |
May 18, 2026 23w ago | Insider Cluster | $14.70 $13.46 | ▼ −8.44% | ▼ −9.42% | $20.21 (+37.48%) |
May 18, 2026 23w ago | 144 | $14.61 $13.84 | ▼ −5.27% | ▼ −6.85% | $20.21 (+38.33%) |
Apr 29, 2026 25w ago | DEFA14A | $20.09 $15.84 | ▼ −21.15% | ▼ −26.38% | $20.21 (+0.60%) |
US Market Status
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