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Ameresco, Inc.

AMRC
Exchange
NYSE
Industry
Construction - Special Trade Contractors
SEC CIK
0001488139

In the last 90 days, Ameresco, Inc. insiders filed 8 open-market purchases and 2 sales; 187 institutions reported holding it in 13F filings for Q2 2026, worth $1.00B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Ameresco, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
8 filings
4 insiders, $1.91M in total
Open-market sells
2 filings
2 insiders, $24.0K in total
Insiders trading
6
Net value
+$1.89M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Ameresco, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Ameresco, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Chiplock MarkEVP, CFO & CAO2,815Sep 17, 20266
Maltezos Louis PCo-President33,628Sep 17, 20264
Sakellaris George PChief Executive Officer1,019,847Sep 14, 20266
Christakis PeterChief Operating Officer15,106Sep 14, 20263
Bulgarino Nicole ECo-President61,171Sep 14, 20263
Miller Jennifer LDirector34,546Aug 26, 20263
Sutton Joseph W.Director80,246Aug 26, 20263
Cox Brian CDirector44,325Aug 25, 20263
Corrsin David JEVP and General Counsel441IndirectAug 19, 20264
Stavropoulos NickolasDirector24,546Jun 5, 20265
Wisneski Francis V JrDirector35,667Jun 5, 20263
Patton Charles R.Director23,824Jun 5, 20261
Johnson Claire D'Oyly-HughesDirector20,546Jun 5, 20261
Bakas Michael TPresident - Renewable Fuels13,634Mar 12, 20261
Hole Spencer DoranEVP and CFO1,878Aug 14, 20240
MacIntosh BrittaSenior Vice President33,979Sep 19, 20230
Foy Douglas IDirector14,000Nov 7, 20220
Murley Thomas SDirector10,500Mar 8, 20220
Georgeoff RobertExecutive Vice President0Mar 8, 20220
Todd LaurenSVP - HR and Operations0Mar 8, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 17, 2026 (view filing)4:41 PM ETSep 152 daysChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−476$22.46−$10.7K−14.5%2.81K after10b5-1
Sep 17, 2026 (view filing)4:40 PM ETSep 152 daysMaltezos Louis PCo-PresidentSSaleClass A Common Stock−592$22.46−$13.3K−1.7%33.6K after10b5-1
Sep 1, 2026 (view filing)8:09 AM ETAug 284 daysSakellaris George PChief Executive OfficerPPurchaseClass A Common Stock+3.00K$22.13+$66.4K+0.3%1.01M after
Aug 27, 2026 (view filing)7:51 PM ETAug 26-271 daySakellaris George PChief Executive OfficerPPurchaseClass A Common Stock+5.00K$22.66+$113.3K+0.5%1.01M after2 lots
Aug 26, 2026 (view filing)4:28 PM ETAug 242 daysMiller Jennifer LDirectorPPurchaseClass A Common Stock+2.00K$20.96+$41.9K+6.1%34.5K after
Aug 26, 2026 (view filing)4:28 PM ETAug 242 daysSutton Joseph W.DirectorPPurchaseClass A Common Stock+9.70K$20.87+$202.4K+13.7%80.2K after
Aug 26, 2026 (view filing)4:28 PM ETAug 24-252 daysSakellaris George PChief Executive OfficerPPurchaseClass A Common Stock+10.0K$21.43+$214.3K+1.0%1.01M after3 lots
Aug 25, 2026 (view filing)7:25 PM ETAug 214 daysCox Brian CDirectorPPurchaseClass A Common Stock+4.63K$21.64+$100.1K+11.6%44.3K after
Aug 11, 2026 (view filing)7:22 PM ETAug 7-114 daysSakellaris George PChief Executive OfficerPPurchaseClass A Common Stock+7.00K$25.85+$180.9K+0.7%995.6K after3 lots
Aug 11, 2026 (view filing)7:22 PM ETAug 101 dayCox Brian CDirectorPPurchaseClass A Common Stock+39.7K$25.07+$995.3KNew position39.7K after
Jun 2, 2026 (view filing)May 294 daysWisneski Francis V JrDirectorSSaleClass A Common Stock−5.00K$36.12−$180.6K−16.5%25.2K after
May 21, 2026 (view filing)May 192 daysWisneski Francis V JrDirectorSSaleClass A Common Stock−10.0K$30.29−$302.9K−28.4%25.2K after
May 19, 2026 (view filing)May 181 dayMiller Jennifer LDirectorSSaleClass A Common Stock−10.0K$32.27−$322.7K−31.1%22.1K after2 lots10b5-1
May 19, 2026 (view filing)May 154 daysStavropoulos NickolasDirectorSSaleClass A Common Stock−1.35K$34.00−$46.1K−8.8%14.1K after10b5-1
Mar 12, 2026 (view filing)Mar 12Same dayChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−273$25.31−$6.91K−14.1%1.67K after10b5-1
Mar 12, 2026 (view filing)Mar 12Same dayMaltezos Louis PPresident-Central&West USA CanSSaleClass A Common Stock−306$25.31−$7.74K−0.9%32.1K after10b5-1
Mar 12, 2026 (view filing)Mar 12Same dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−19$25.31−$480.89−4.1%441 after10b5-1
Mar 10, 2026 (view filing)Mar 10Same dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−50$26.34−$1.32K−11.7%379 after10b5-1
Feb 23, 2026 (view filing)Feb 19-204 daysStavropoulos NickolasDirectorSSaleClass A Common Stock−16.1K$34.15−$549.8K−53.3%14.1K after2 lots10b5-1
Feb 13, 2026 (view filing)Feb 12-131 dayStavropoulos NickolasDirectorSSaleClass A Common Stock−445$34.03−$15.1K−3.1%14.1K after2 lots10b5-1
Jan 30, 2026 (view filing)Jan 282 daysStavropoulos NickolasDirectorSSaleClass A Common Stock−100$34.00−$3.40K−0.7%14.1K after10b5-1
Oct 14, 2025 (view filing)Oct 9-135 daysChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−23.9K$41.89−$1.00M−95.3%1.19K after4 lots10b5-1
Oct 8, 2025 (view filing)Oct 6-82 daysChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−15.6K$39.35−$613.8K−92.9%1.19K after3 lots10b5-1
Oct 2, 2025 (view filing)Oct 11 dayChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−5.60K$37.95−$212.6K−82.5%1.19K after10b5-1
Sep 16, 2025 (view filing)Sep 151 dayChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−269$28.00−$7.53K−18.4%1.19K after10b5-1
Sep 16, 2025 (view filing)Sep 151 dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−19$28.00−$532−4.8%379 after10b5-1
Sep 10, 2025 (view filing)Sep 10Same dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−19$27.04−$513.76−5.2%348 after10b5-1
Mar 19, 2025 (view filing)Mar 19Same dayChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−95$11.92−$1.13K−11.8%708 after10b5-1
Mar 19, 2025 (view filing)Mar 19Same dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−64$11.92−$762.88−12.0%471 after10b5-1
Mar 19, 2025 (view filing)Mar 19Same dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−36$11.92−$429.12−10.2%317 after10b5-1
Mar 11, 2025 (view filing)Mar 101 dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−21$10.22−$214.62−7.7%252 after10b5-1
Mar 11, 2025 (view filing)Mar 101 dayWisneski Francis V JrDirectorPPurchaseClass A Common Stock+400$10.17+$4.07K+2.0%20.3K after
Mar 6, 2025 (view filing)Mar 4-62 daysSakellaris George PPresident and CEOPPurchaseClass A Common Stock+125.0K$9.73+$1.22M+14.6%978.6K after3 lots
Mar 6, 2025 (view filing)Mar 4-62 daysWisneski Francis V JrDirectorPPurchaseClass A Common Stock+5.71K$9.52+$54.3K+40.1%19.9K after3 lots
Mar 6, 2025 (view filing)Mar 42 daysJohnson Claire D'Oyly-HughesDirectorPPurchaseClass A Common Stock+1.80K$9.95+$17.9KNew position1.80K after
Mar 6, 2025 (view filing)Mar 51 dayPatton Charles R.DirectorPPurchaseClass A Common Stock+5.00K$9.96+$49.8K+142.7%8.50K after
Feb 4, 2025 (view filing)Feb 31 dayMiller Jennifer LDirectorSSaleClass A Common Stock−40.0K$21.06−$842.5K−69.9%17.2K after2 lots10b5-1
Nov 19, 2024 (view filing)Nov 154 daysSutton Joseph W.DirectorPPurchaseClass A Common Stock+10.0K$26.00+$260.0K+39.6%35.2K after
Nov 19, 2024 (view filing)Nov 154 daysSutton Joseph W.DirectorPPurchaseClass A Common Stock+5.00K$26.66+$133.3K+3.9%133.4K after
Nov 15, 2024 (view filing)Nov 132 daysSakellaris George PPresident and CEOPPurchaseClass A Common Stock+25.0K$26.54+$663.5K+3.0%853.6K after
Sep 19, 2024 (view filing)Sep 19Same dayBakas Michael TExecutive Vice PresidentSSaleClass A Common Stock−104$37.64−$3.91K−0.9%10.9K after10b5-1
Sep 19, 2024 (view filing)Sep 19Same dayMaltezos Louis PExecutive Vice PresidentSSaleClass A Common Stock−75$37.64−$2.82K−0.2%30.4K after10b5-1
Sep 19, 2024 (view filing)Sep 19Same dayChiplock MarkEVP, CFO & CAOSSaleClass A Common Stock−98$37.64−$3.69K−15.7%527 after10b5-1
Sep 19, 2024 (view filing)Sep 19Same dayChristakis PeterExecutive Vice PresidentSSaleClass A Common Stock−104$37.64−$3.91K−0.9%11.6K after10b5-1
Sep 19, 2024 (view filing)Sep 19Same dayCorrsin David JEVP and General CounselSSaleClass A Common Stock−65$37.64−$2.45K−15.6%352 after10b5-1
Sep 19, 2024 (view filing)Sep 9-1910 daysLateCorrsin David JEVP and General CounselSSaleClass A Common Stock−55$34.83−$1.92K−19.8%223 after2 lots10b5-1
Aug 14, 2024 (view filing)Aug 122 daysHole Spencer DoranEVP and CFOSSaleClass A Common Stock−5.00K$26.53−$132.7K−72.7%1.88K after
Jun 3, 2024 (view filing)May 304 daysChiplock MarkSVP & CAOSSaleClass A Common Stock−3.00K$35.00−$105.0K−89.6%348 after
Mar 19, 2024 (view filing)Mar 19Same dayChiplock MarkSVP & CAOSSaleClass A Common Stock−101$20.53−$2.07K−22.5%348 after10b5-1
Mar 19, 2024 (view filing)Mar 19Same dayHole Spencer DoranEVP and CFOSSaleClass A Common Stock−108$20.53−$2.22K−5.4%1.88K after10b5-1