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sellWeak cluster of 210b5-1 plan

Michael Waterman sold $3.8M of ACVA

Chief Sales Officer at ACV Auctions Inc.. 223,330 shares at an average of $17.00, traded May 13, 2025, filed May 15, 2025.

Warning score
23
Value
$3.8M
223,330 shares
Holdings after
466,548
-32% from before
From 52-week low
+32%
low $12.82, close $16.92
From 52-week high
-27%
high $23.17, as of May 13, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $3.8M at market
    +25
  • Share of holdings sold
    Sold 32% of holdings
    +10
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

ACVAOct 9, 2026 · close 10.44
Since filing May 15, 2025: -38.3%SPY +34.0% · excess -72.4%

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 0001628280-25-025978, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 13, 2025MOption exercise
Class A Common Stock10b5-1
+179,503$0.06$11k669,381May 15, 2025
May 13, 2025MOption exercise
Class A Common Stock10b5-1
+20,497$0.14$2,870689,878May 15, 2025
May 13, 2025SOpen-market sale
Class A Common Stock10b5-1
-223,330$17.00$3.8M466,548May 15, 2025
May 28, 2024JOther
Class A Common Stock10b5-1
-60,912$0.00$0405,636May 15, 2025
May 13, 2025MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-179,503$0.00$00May 15, 2025
May 13, 2025MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-20,497$0.00$0302,692May 15, 2025
May 28, 2024AGrant or award
Performance Stock Unitderivative10b5-1
+60,912$0.00$060,912May 15, 2025

Related signals

Other insiders at ACV Auctions Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
51Moderate
ACVAsell 3
ACV Auctions Inc.
Eileen A Kamerick
director
$154k
9,239 shares
-48%
10Weak
ACVAsell 310b5-1
ACV Auctions Inc.
Michael Waterman
Chief Sales Officer
$371k
22,171 shares
-5%
50Moderate
ACVAsell 310b5-1
ACV Auctions Inc.
George Chamoun
Chief Executive Officer
$5.9M
350,000 shares
-11%
20Weak
ACVAsell 210b5-1
ACV Auctions Inc.
Andrew Peer
VP, Corporate Controller & CAO
$222k
12,927 shares
-18%
30Weak
ACVAsell 310b5-1
ACV Auctions Inc.
Michael Waterman
Chief Sales Officer
$1.9M
115,987 shares
-26%
50Moderate
ACVAsell 310b5-1
ACV Auctions Inc.
George Chamoun
Chief Executive Officer
$5.4M
350,000 shares
-11%
29Weak
ACVAsell 310b5-1
ACV Auctions Inc.
William Zerella
Chief Financial Officer
$203k
15,000 shares
-2%
24Weak
ACVAsell 210b5-1
ACV Auctions Inc.
William Zerella
Chief Financial Officer
$309k
15,000 shares
-3%
2Weak
ACVAsell 210b5-1
ACV Auctions Inc.
Michael Waterman
Chief Sales Officer
$304k
15,000 shares
-5%
15Weak
ACVAsell 210b5-1
ACV Auctions Inc.
Michael Waterman
Chief Sales Officer
$821k
40,147 shares
-12%

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.

Michael Waterman sold $3.8M of ACVA | InsiderTell