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sellWeak cluster of 210b5-1 plan

Mark Chiplock sold $11k of AMRC

EVP, CFO & CAO at Ameresco, Inc.. 476 shares at an average of $22.46, traded Sep 15, 2026, filed Sep 17, 2026.

Warning score
15
Value
$11k
476 shares
Holdings after
2,815
-14% from before
From 52-week low
+21%
low $18.51, close $22.35
From 52-week high
-48%
high $43.23, as of Sep 15, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $11k at market
    0
  • Share of holdings sold
    Sold 14% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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.

AMRCOct 9, 2026 · close 21.33
Since filing Sep 17, 2026: -10.0%SPY +2.3% · excess -12.3%

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 0001628280-26-062541, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 15, 2026SOpen-market sale
Class A Common Stock10b5-1
-476$22.46$11k2,81525 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
8Weak
AMRCsell 210b5-1
Ameresco, Inc.
Louis P Maltezos
Co-President
$13k
592 shares
-2%
36Weak
AMRCbuy
Ameresco, Inc.
George P Sakellaris
Chief Executive Officer
$66k
3,000 shares
+0%
0Weak
AMRCsell 210b5-1
Ameresco, Inc.
David J Corrsin
EVP and General Counsel
$1,192
100 shares
-19%
0Weak
AMRCsell 210b5-1
Ameresco, Inc.
Mark Chiplock
EVP, CFO & CAO
$1,132
95 shares
-12%
43Moderate
AMRCbuy 4
Ameresco, Inc.
Francis Wisneski V Jr
director
$4,068
400 shares
+2%
0Weak
AMRCsell 210b5-1
Ameresco, Inc.
David J Corrsin
EVP and General Counsel
$215
21 shares
-8%
65Notable
AMRCbuy 4
Ameresco, Inc.
Charles R. Patton
director
$50k
5,000 shares
+143%
56Moderate
AMRCbuy 4
Ameresco, Inc.
Claire D'Oyly-Hughes Johnson
director
$18k
1,800 shares
-
61Notable
AMRCbuy 4
Ameresco, Inc.
Francis Wisneski V Jr
director
$54k
5,708 shares
+40%
86Strong
AMRCbuy 4
Ameresco, Inc.
George P Sakellaris
President and CEO
$1.2M
125,000 shares
+15%

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.

Mark Chiplock sold $11k of AMRC | InsiderTell