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buyNotable cluster of 2

Michael Waterman bought $1.0M of ACVA

Chief Sales Officer at ACV Auctions Inc.. 214,600 shares at an average of $4.66, traded Feb 26, 2026, filed Mar 2, 2026.

Conviction score
76
Value
$1.0M
214,600 shares
Holdings after
569,102
+61% from before
From 52-week low
+4%
low $4.51, close $4.69
From 52-week high
-72%
high $17.04, as of Feb 26, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.0M at market
    +25
  • Relative to holdings
    Holdings up 61%
    +10
  • Price context
    4% above the 52-week low; 72% below the 52-week high
    +18
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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 Mar 2, 2026: +113.5%SPY +14.3% · excess +99.2%

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 0001851495-26-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 26, 2026POpen-market purchase
Common Stock
+214,600$4.66$1.0M569,102Mar 2, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
36Weak
ACVAbuy 210b5-1
ACV Auctions Inc.
George Chamoun
Chief Executive Officer
$123k
24,272 shares
+1%
28Weak
ACVAbuy10b5-1
ACV Auctions Inc.
George Chamoun
Chief Executive Officer
$123k
16,892 shares
+1%
0Weak
ACVAsell10b5-1
ACV Auctions Inc.
Andrew Peer
VP, Corporate Controller & CAO
$15k
1,750 shares
-2%
29Weak
ACVAbuy10b5-1
ACV Auctions Inc.
George Chamoun
Chief Executive Officer
$126k
14,286 shares
+1%
31Weak
ACVAbuy10b5-1
ACV Auctions Inc.
George Chamoun
Chief Executive Officer
$248k
31,172 shares
+1%
0Weak
ACVAsell10b5-1
ACV Auctions Inc.
Andrew Peer
VP, Corporate Controller & CAO
$14k
1,750 shares
-3%
0Weak
ACVAsell10b5-1
ACV Auctions Inc.
Andrew Peer
VP, Corporate Controller & CAO
$14k
1,750 shares
-3%
59Moderate
ACVAbuy 3
ACV Auctions Inc.
Kirsten Castillo
director
$125k
20,000 shares
+105%
66Notable
ACVAbuy 3
ACV Auctions Inc.
Brian Hirsch
director
$500k
80,571 shares
+422%
81Strong
ACVAbuy 3
ACV Auctions Inc.
Robert P Goodman
director
$5.1M
912,408 shares
-

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 bought $1.0M of ACVA | InsiderTell