Form 4 Tracker
Ameresco, Inc.
AMRC

43 insider filings · Latest: Sep 15, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Sep 15, 2026Sep 17 8:41 PMMark ChiplockEVP, CFO & CAO
Sale
476$22.46$10.7K2,815(D)

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Sep 15, 2026Sep 17 8:40 PMLouis P MaltezosCo-President
Sale
592$22.46$13.3K33,628(D)

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Aug 28, 2026Sep 1 12:09 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
3,000$22.13$66.4K1,013,597(D)

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Aug 27, 2026Aug 27 11:51 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
4,000$22.84$91.4K1,010,597(D)

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Aug 26, 2026Aug 27 11:51 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
1,000$21.92$21.9K1,006,597(D)

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Aug 24, 2026Aug 26 8:28 PMJennifer L MillerDirector
Purchase
2,000$20.96$41.9K34,546(D)

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Aug 24, 2026Aug 26 8:28 PMJoseph W. SuttonDirector
Purchase
9,700$20.87$202.4K80,246(D)

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Aug 25, 2026Aug 26 8:28 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
5,000$21.95$109.7K1,005,597(D)

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Aug 24, 2026Aug 26 8:28 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
5,000$20.91$104.5K1,000,597(D)

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Aug 21, 2026Aug 25 11:25 PMBrian C CoxDirector
Purchase
4,625$21.64$100.1K44,325(D)

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Aug 11, 2026Aug 11 11:22 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
1,000$25.90$25.9K995,597(D)

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Aug 10, 2026Aug 11 11:22 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
1,000$25.27$25.3K994,597(D)

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Aug 7, 2026Aug 11 11:22 PMGeorge P SakellarisDirector, Chief Executive Officer, 10% Owner
Purchase
5,000$25.95$129.8K993,597(D)

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Aug 10, 2026Aug 11 11:22 PMBrian C CoxDirector
Purchase
39,700$25.07$995.3K39,700(D)

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May 29, 2026Jun 2 9:47 PMFrancis V Wisneski JRDirector
Sale
5,000$36.12$180.6K25,232(D)

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May 29, 2026May 29 8:11 PMFRANK WISNESKI
Proposed Sale
5,000$36.12$180.6K—

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May 19, 2026May 21 1:00 PMFrancis V Wisneski JRDirector
Sale
10,000$30.29$302.9K25,232(D)

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May 18, 2026May 19 11:09 PMJennifer L MillerDirector
Sale
10,000$32.27$322.7K22,111(D)

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May 15, 2026May 19 11:09 PMNickolas StavropoulosDirector
Sale
1,355$34.00$46.1K14,111(D)

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May 19, 2026May 19 8:21 PMFRANK WISNESKI
Proposed Sale
10,000$30.29$302.9K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 18, 2026May 19 11:09 PMJennifer L MillerDirector
Option Exercise
10,000$4.740(D)

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May 18, 2026May 19 11:09 PMLouis P MaltezosPresident-Central&West USA Can
Grant/Award
30,000$31.0230,000(D)

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May 18, 2026May 19 11:09 PMNicole E BulgarinoPresident - Federal & Utility
Grant/Award
30,000$31.0230,000(D)

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May 15, 2026May 19 11:09 PMNickolas StavropoulosDirector
Option Exercise
1,355$16.336,000(D)

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May 18, 2026May 19 11:09 PMPeter ChristakisPresident-EastUSA, ProjectRisk
Grant/Award
30,000$31.0230,000(D)

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Apr 23, 2026Apr 28 8:05 PMJoseph W. SuttonDirector
Option Exercise
10,000$4.740(D)

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Mar 10, 2026Mar 13 12:40 AMGeorge P SakellarisDirector, President and CEO, 10% Owner
Option Exercise
3,750—17,500(D)

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Mar 10, 2026Mar 13 12:40 AMGeorge P SakellarisDirector, President and CEO, 10% Owner
Grant/Award
110,000$26.3621,250(D)

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Mar 10, 2026Mar 13 12:40 AMNicole E BulgarinoPresident - Federal & Utility
Grant/Award
24,000$26.366,625(D)

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Mar 10, 2026Mar 13 12:40 AMNicole E BulgarinoPresident - Federal & Utility
Option Exercise
875—5,750(D)

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Mar 10, 2026Mar 13 12:39 AMMark ChiplockEVP, CFO & CAO
Option Exercise
750—5,000(D)

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Mar 10, 2026Mar 13 12:39 AMMark ChiplockEVP, CFO & CAO
Grant/Award
23,500$26.365,750(D)

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Mar 10, 2026Mar 13 12:39 AMMichael T BakasPresident - Renewable Fuels
Option Exercise
875—5,750(D)

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Mar 10, 2026Mar 13 12:39 AMMichael T BakasPresident - Renewable Fuels
Grant/Award
24,000$26.366,625(D)

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Mar 10, 2026Mar 13 12:39 AMLouis P MaltezosPresident-Central&West USA Can
Option Exercise
875—6,750(D)

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Mar 10, 2026Mar 13 12:39 AMLouis P MaltezosPresident-Central&West USA Can
Grant/Award
25,000$26.367,625(D)

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Mar 10, 2026Mar 13 12:39 AMDavid J CorrsinDirector, EVP and General Counsel
Option Exercise
50—450(I)

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Mar 10, 2026Mar 13 12:39 AMDavid J CorrsinDirector, EVP and General Counsel
Grant/Award
27,850$26.36500(I)

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Mar 10, 2026Mar 13 12:39 AMPeter ChristakisPresident-EastUSA, ProjectRisk
Grant/Award
24,000$26.366,250(D)

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Mar 10, 2026Mar 13 12:39 AMPeter ChristakisPresident-EastUSA, ProjectRisk
Option Exercise
750—5,500(D)

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