AMRC insider transaction filings
Ameresco, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-17. Screen AMRC transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 17 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 13 legs across 8 filings by 4 insiders — 81,025 shares, $1,914,610 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 2 legs across 2 filings by 2 insiders — 1,068 shares, $23,987 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: purchase of 39,700 shares @ $25.07 ($995,279) by Cox Brian C, filed 2026-08-11.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Cox Brian C — Director | 3 | 2 legs · 44,325 sh · $1,095,364 | — | 1 |
| Sakellaris George P — Chief Executive Officer, Director, 10% owner | 5 | 9 legs · 25,000 sh · $574,887 | — | 2 |
| Sutton Joseph W. — Director | 1 | 1 leg · 9,700 sh · $202,439 | — | — |
| Miller Jennifer L — Director | 1 | 1 leg · 2,000 sh · $41,920 | — | — |
| Maltezos Louis P — Co-President | 2 | — | 1 leg · 592 sh · $13,296 | 2 |
| Chiplock Mark — EVP, CFO & CAO | 2 | — | 1 leg · 476 sh · $10,691 | 2 |
| Bulgarino Nicole E — Co-President | 1 | — | — | 2 |
| Christakis Peter — Chief Operating Officer | 1 | — | — | 2 |
| Corrsin David J — EVP and General Counsel, Director | 1 | — | — | 1 |
Recent Form 4 filings — Ameresco, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-17 | 4 | Maltezos Louis P — Co-President | Sale (S): 592 @ $22.46 | EDGAR |
| 2026-09-17 | 4 | Chiplock Mark — EVP, CFO & CAO | Sale (S): 476 @ $22.46 | EDGAR |
| 2026-09-14 | 4 | Bulgarino Nicole E — Co-President | Option exercise (M): 1,875 @ $0 · Option exercise (M): 875 (derivative) @ $0 | EDGAR |
| 2026-09-14 | 4 | Christakis Peter — Chief Operating Officer | Option exercise (M): 1,750 @ $0 · Option exercise (M): 1,750 (derivative) @ $0 | EDGAR |
| 2026-09-14 | 4 | Maltezos Louis P — Co-President | Option exercise (M): 2,125 @ $0 · Option exercise (M): 2,125 (derivative) @ $0 | EDGAR |
| 2026-09-14 | 4 | Sakellaris George P — Chief Executive Officer, Director, 10% owner | Option exercise (M): 6,250 @ $0 · Option exercise (M): 6,250 (derivative) @ $0 | EDGAR |
| 2026-09-14 | 4 | Chiplock Mark — EVP, CFO & CAO | Option exercise (M): 1,625 @ $0 · Option exercise (M): 1,625 (derivative) @ $0 | EDGAR |
| 2026-09-01 | 4 | Sakellaris George P — Chief Executive Officer, Director, 10% owner | Purchase (P): 3,000 @ $22.13 | EDGAR |
| 2026-08-27 | 4 | Sakellaris George P — Chief Executive Officer, Director, 10% owner | Purchase (P): 1,000 @ $21.92 · Purchase (P): 4,000 @ $22.84 | EDGAR |
| 2026-08-26 | 4 | Sakellaris George P — Chief Executive Officer, Director, 10% owner | Purchase (P): 5,000 @ $20.91 · Purchase (P): 938 @ $21.60 · Purchase (P): 4,062 @ $22.03 | EDGAR |
| 2026-08-26 | 4 | Sutton Joseph W. — Director | Purchase (P): 9,700 @ $20.87 | EDGAR |
| 2026-08-26 | 4 | Miller Jennifer L — Director | Purchase (P): 2,000 @ $20.96 | EDGAR |
| 2026-08-25 | 4 | Cox Brian C — Director | Purchase (P): 4,625 @ $21.64 | EDGAR |
| 2026-08-19 | 4 | Corrsin David J — EVP and General Counsel, Director | Grant/award (A): 25,000 (derivative) @ $0 | EDGAR |
| 2026-08-11 | 4 | Cox Brian C — Director | Purchase (P): 39,700 @ $25.07 | EDGAR |
| 2026-08-11 | 4 | Sakellaris George P — Chief Executive Officer, Director, 10% owner | Purchase (P): 5,000 @ $25.95 · Purchase (P): 1,000 @ $25.27 · Purchase (P): 1,000 @ $25.90 | EDGAR |
| 2026-08-04 | 4 | Cox Brian C — Director | Grant/award (A): 5,132 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Miller Jennifer L — Director | Option exercise (M): 10,435 @ $0 · Grant/award (A): 4,812 (derivative) @ $0 · Option exercise (M): 10,435 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Sutton Joseph W. — Director | Option exercise (M): 10,435 @ $0 · Grant/award (A): 4,812 (derivative) @ $0 · Option exercise (M): 10,435 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Johnson Claire D'Oyly-Hughes — Director | Option exercise (M): 10,435 @ $0 · Grant/award (A): 4,812 (derivative) @ $0 · Option exercise (M): 10,435 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | Patton Charles R. — Director | Option exercise (M): 10,435 @ $0 · Option exercise (M): 10,435 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | WISNESKI FRANCIS V JR — Director | Option exercise (M): 10,435 @ $0 · Grant/award (A): 4,812 (derivative) @ $0 · Option exercise (M): 10,435 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | STAVROPOULOS NICKOLAS — Director | Option exercise (M): 10,435 @ $0 · Grant/award (A): 4,812 (derivative) @ $0 · Option exercise (M): 10,435 (derivative) @ $0 | EDGAR |
| 2026-06-02 | 4 | WISNESKI FRANCIS V JR — Director | Option exercise (M): 5,000 @ $5.80 · Sale (S): 5,000 @ $36.12 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2026-05-21 | 4 | WISNESKI FRANCIS V JR — Director | Option exercise (M): 10,000 @ $5.80 · Sale (S): 10,000 @ $30.29 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Miller Jennifer L — Director | Option exercise (M): 10,000 @ $4.74 · Sale (S): 7,642 @ $32.13 · Sale (S): 2,358 @ $32.73 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Maltezos Louis P — President-Central&West USA Can | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Bulgarino Nicole E — President - Federal & Utility | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Christakis Peter — President-EastUSA, ProjectRisk | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | STAVROPOULOS NICKOLAS — Director | Option exercise (M): 1,355 @ $16.33 · Sale (S): 1,355 @ $34 · Option exercise (M): 1,355 (derivative) @ $0 | EDGAR |
| 2026-04-28 | 4 | Sutton Joseph W. — Director | Option exercise (M): 10,000 @ $4.74 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-03-12 | 4 | Sakellaris George P — President and CEO, Director, 10% owner | Option exercise (M): 3,750 @ $0 · Grant/award (A): 100,000 (derivative) @ $0 · Grant/award (A): 10,000 (derivative) @ $0 · Option exercise (M): 3,750 (derivative) @ $0 | EDGAR |
| 2026-03-12 | 4 | Bulgarino Nicole E — President - Federal & Utility | Option exercise (M): 875 @ $0 · Grant/award (A): 20,000 (derivative) @ $0 · Grant/award (A): 4,000 (derivative) @ $0 · Option exercise (M): 875 (derivative) @ $0 | EDGAR |
| 2026-03-12 | 4 | Chiplock Mark — EVP, CFO & CAO | Option exercise (M): 750 @ $0 · Sale (S): 273 @ $25.31 · Grant/award (A): 20,000 (derivative) @ $0 · Grant/award (A): 3,500 (derivative) @ $0 · Option exercise (M): 750 (derivative) @ $0 | EDGAR |
| 2026-03-12 | 4 | Bakas Michael T — President - Renewable Fuels | Option exercise (M): 875 @ $0 · Grant/award (A): 20,000 (derivative) @ $0 · Grant/award (A): 4,000 (derivative) @ $0 · Option exercise (M): 875 (derivative) @ $0 | EDGAR |
| 2026-03-12 | 4 | Maltezos Louis P — President-Central&West USA Can | Option exercise (M): 875 @ $0 · Sale (S): 306 @ $25.31 · Grant/award (A): 20,000 (derivative) @ $0 · Grant/award (A): 5,000 (derivative) @ $0 · Option exercise (M): 875 (derivative) @ $0 | EDGAR |
| 2026-03-12 | 4 | Corrsin David J — EVP and General Counsel, Director | Option exercise (M): 50 @ $0 · Sale (S): 19 @ $25.31 · Grant/award (A): 20,000 (derivative) @ $0 · Grant/award (A): 3,500 (derivative) @ $0 · Grant/award (A): 4,000 (derivative) @ $0 · Grant/award (A): 350 (derivative) @ $0 · +1 more | EDGAR |
| 2026-03-12 | 4 | Christakis Peter — President-EastUSA, ProjectRisk | Option exercise (M): 750 @ $0 · Grant/award (A): 20,000 (derivative) @ $0 · Grant/award (A): 4,000 (derivative) @ $0 · Option exercise (M): 750 (derivative) @ $0 | EDGAR |
| 2026-03-10 | 4 | Corrsin David J — EVP and General Counsel, Director | Option exercise (M): 50 @ $0 · Sale (S): 50 @ $26.34 · Option exercise (M): 50 (derivative) @ $0 | EDGAR |
| 2026-02-27 | 4 | Corrsin David J — EVP and General Counsel, Director | Option exercise (M): 20,000 @ $4.64 · Option exercise (M): 20,000 (derivative) @ $0 | EDGAR |
| 2026-02-23 | 4 | STAVROPOULOS NICKOLAS — Director | Option exercise (M): 400 @ $16.33 · Sale (S): 400 @ $34 · Option exercise (M): 15,700 @ $16.33 · Sale (S): 15,700 @ $34.15 · Option exercise (M): 400 (derivative) @ $0 · Option exercise (M): 15,700 (derivative) @ $0 | EDGAR |
| 2026-02-13 | 4 | STAVROPOULOS NICKOLAS — Director | Option exercise (M): 200 @ $16.33 · Sale (S): 200 @ $34 · Option exercise (M): 245 @ $16.33 · Sale (S): 245 @ $34.05 · Option exercise (M): 200 (derivative) @ $0 · Option exercise (M): 245 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | STAVROPOULOS NICKOLAS — Director | Option exercise (M): 100 @ $16.33 · Sale (S): 100 @ $34 · Option exercise (M): 100 (derivative) @ $0 | EDGAR |
| 2025-10-14 | 4 | Chiplock Mark — EVP, CFO & CAO | Option exercise (M): 2,100 @ $13.37 · Option exercise (M): 5,000 @ $12.35 · Sale (S): 7,100 @ $39.97 · Option exercise (M): 5,000 @ $12.35 · Option exercise (M): 11,799 @ $13.37 · Sale (S): 5,200 @ $41.57 · +6 more | EDGAR |
| 2025-10-08 | 4 | Chiplock Mark — EVP, CFO & CAO | Option exercise (M): 5,900 @ $13.37 · Sale (S): 5,900 @ $38.92 · Option exercise (M): 5,900 @ $13.37 · Sale (S): 5,900 @ $39.51 · Option exercise (M): 3,800 @ $13.37 · Sale (S): 3,800 @ $39.75 · +3 more | EDGAR |
| 2025-10-02 | 4 | Chiplock Mark — EVP, CFO & CAO | Option exercise (M): 5,000 @ $12.35 · Option exercise (M): 602 @ $13.37 · Sale (S): 5,602 @ $37.95 · Option exercise (M): 5,000 (derivative) @ $0 · Option exercise (M): 602 (derivative) @ $0 | EDGAR |
| 2025-09-16 | 4 | Chiplock Mark — EVP, CFO & CAO | Sale (S): 269 @ $28 | EDGAR |
| 2025-09-16 | 4 | Corrsin David J — EVP and General Counsel, Director | Sale (S): 19 @ $28 | EDGAR |
| 2025-09-12 | 4 | Bakas Michael T — President - Renewable Fuels | Option exercise (M): 875 @ $0 · Option exercise (M): 875 (derivative) @ $0 | EDGAR |
| 2025-09-12 | 4 | Maltezos Louis P — President-Central&West USA Can | Option exercise (M): 875 @ $0 · Option exercise (M): 875 (derivative) @ $0 | EDGAR |
Recent 8-K events — Ameresco, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-10 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-08-19 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-19 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-08-03 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-27 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-08 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-12 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.01 — Completion of Acquisition or Disposition of Assets 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-08 | 8-K/A | 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-04 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.02 — Results of Operations and Financial Condition 3.02 — Unregistered Sales of Equity Securities 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-31 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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