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sellWeak cluster of 310b5-1 plan

Susan St. Ledger sold $133k of KVYO

director at Klaviyo, Inc.. 9,334 shares at an average of $14.27, traded May 18, 2026, filed May 20, 2026.

Warning score
31
Value
$133k
9,334 shares
Holdings after
10,939
-46% from before
From 52-week low
+3%
low $14.24, close $14.61
From 52-week high
-59%
high $35.92, as of May 18, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $133k at market
    +11
  • Share of holdings sold
    Sold 46% of holdings
    +10
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

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.

KVYOOct 9, 2026 · close 17.32
Since filing May 20, 2026: +14.6%SPY +5.6% · excess +9.1%

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 0001470831-26-000481, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 18, 2026CConversion
Series A Common Stock10b5-1
+9,334--20,273May 20, 2026
May 18, 2026SOpen-market sale
Series A Common Stock10b5-1
-9,334$14.27$133k10,939May 20, 2026
May 18, 2026CConversion
Series B Common Stockderivative10b5-1
-9,334$0.00$050,166May 20, 2026

Related signals

Other insiders at Klaviyo, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
40Moderate
KVYOsell10b5-1
Klaviyo, Inc.
Ed Hallen
director, owner
$1.7M
97,482 shares
-104%
3Weak
KVYOsell 210b5-1
Klaviyo, Inc.
Ed Hallen
director, owner
$22k
1,300 shares
-1%
16Weak
KVYOsell 310b5-1
Klaviyo, Inc.
Susan St. Ledger
director
$37k
2,328 shares
-9%
40Moderate
KVYOsell 410b5-1
Klaviyo, Inc.
Landon Edmond
Chief Legal Officer
$1.2M
61,576 shares
-11%
55Moderate
KVYOsell 310b5-1
Klaviyo, Inc.
Ed Hallen
director, owner
$2.0M
98,782 shares
-74%
30Weak
KVYOsell 310b5-1
Klaviyo, Inc.
Amanda Whalen
Chief Financial Officer
$259k
14,000 shares
-2%
65Notable
KVYOsell 2
Klaviyo, Inc.
Summit Partners L P
owner
$89M
5,000,000 shares
-100%
15Weak
KVYOsell10b5-1
Klaviyo, Inc.
Amanda Whalen
Chief Financial Officer
$249k
14,000 shares
-2%
14Weak
KVYOsell10b5-1
Klaviyo, Inc.
Amanda Whalen
Chief Financial Officer
$185k
14,000 shares
-2%
65Notable
KVYOsell 310b5-1
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.

Susan St. Ledger sold $133k of KVYO | InsiderTell