Form4insider filings, from the source

Company · CIK 0001488139 · SIC 1700 — Construction - Special Trade Contractors · NYSE

Ameresco, Inc. · AMRC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.9M · 8sales $24k · 2net $1.9M
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 17, 4:41 pm EDTMark ChiplockEVP, CFO & CAO476$22.46$10,6912,815−14.5%10b5-1
Sep 15, 2026 SForm 4 →Sep 17, 4:40 pm EDTLouis P MaltezosCo-President592$22.46$13,29633,628−1.73%10b5-1
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTMark ChiplockEVP, CFO & CAO1,625——3,291—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTGeorge P SakellarisChief Executive Officer, Director, 10% Owner6,250——1,019,847—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTLouis P MaltezosCo-President2,125——34,220—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTPeter ChristakisChief Operating Officer1,750——15,106—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTNicole E BulgarinoCo-President1,875——61,171—
Aug 28, 2026 PForm 4 →Sep 1, 8:09 am EDTGeorge P SakellarisChief Executive Officer, Director, 10% Owner3,000$22.13$66,3901,013,597+0.30%
Aug 26, 2026 PForm 4 →Aug 27, 7:51 pm EDTGeorge P SakellarisChief Executive Officer, Director, 10% Owner5,000$22.66$113,2801,010,597+0.50%
Aug 24, 2026 PForm 4 →Aug 26, 4:28 pm EDTJennifer L MillerDirector2,000$20.96$41,92034,546+6.15%
Aug 24, 2026 PForm 4 →Aug 26, 4:28 pm EDTJoseph W. SuttonDirector9,700$20.87$202,43980,246+13.7%
Aug 24, 2026 PForm 4 →Aug 26, 4:28 pm EDTGeorge P SakellarisChief Executive Officer, Director, 10% Owner10,000$21.43$214,2971,005,597+1.00%
Aug 21, 2026 PForm 4 →Aug 25, 7:25 pm EDTBrian C CoxDirector4,625$21.64$100,08544,325+11.6%
Aug 10, 2026 PForm 4 →Aug 11, 7:22 pm EDTBrian C CoxDirector39,700$25.07$995,27939,700—
Aug 7, 2026 PForm 4 →Aug 11, 7:22 pm EDTGeorge P SakellarisChief Executive Officer, Director, 10% Owner7,000$25.85$180,920995,597+0.71%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTMark ChiplockEVP, CFO & CAO1,625——3,375—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTGeorge P SakellarisChief Executive Officer, Director, 10% Owner6,250——11,250—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTLouis P MaltezosCo-President2,125——4,625—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTPeter ChristakisChief Operating Officer1,750——3,750—
Sep 10, 2026 MForm 4 →Sep 14, 4:42 pm EDTNicole E BulgarinoCo-President875——4,875—
Aug 17, 2026 AForm 4 →Aug 19, 4:35 pm EDTDavid J CorrsinEVP and General Counsel, Director25,000——25,000—
Aug 1, 2026 AForm 4 →Aug 4, 4:45 pm EDTBrian C CoxDirector5,132——5,132—