Maltezos Louis P 4
4 · Ameresco, Inc. · Filed Mar 12, 2026
Research Summary
AI-generated summary of this filing
Ameresco (AMRC) President Louis Maltezos Exercises Options, Sells 306 Shares
What Happened
Louis P. Maltezos, President — Central & West U.S. and Canada for Ameresco (AMRC), reported several insider transactions. On March 10, 2026 he recorded exercise/conversion of 875 derivative shares (reported at $0) and was granted two awards totaling 25,000 derivative shares (20,000 and 5,000). On March 12, 2026 he sold 306 shares in the open market at $25.31 for proceeds of $7,745. The filing notes the 306-share sale was an automatic sell-to-cover to satisfy withholding taxes tied to RSU vesting.
Key Details
- Transaction dates and prices:
- 2026-03-10: Exercise/conversion of 875 derivative shares (reported at $0).
- 2026-03-10: Grant/award of 20,000 derivative shares and 5,000 derivative shares (both $0).
- 2026-03-12: Open-market sale of 306 shares at $25.31 — proceeds $7,745.
- Vesting and award notes:
- Footnote: the 306-share sale was pursuant to an automatic sell-to-cover instruction to cover withholding taxes from RSU vesting.
- Option vesting (if applicable): 20% vests each anniversary over five years (per filing).
- RSU treatment: each RSU equals one share; RSUs vest over two years with 25% vesting every six months.
- Shares owned after the transactions: not specified in the information provided in this summary.
- Filing timeliness: Report filed March 12, 2026 for transactions on March 10–12, 2026 (appears timely). No 10b5-1 plan or late filing flag reported.
Context
- The sale of 306 shares was labeled a sell-to-cover for tax withholding on vested RSUs — a routine administrative sale rather than a discretionary divestiture.
- The filing shows awards/derivative activity (grants and an exercise/conversion). For retail investors, grants and exercises are common compensation events; the small open-market sale here merely covered taxes and is not necessarily a bearish signal.
Insider Transaction Report
Form 4
Ameresco, Inc.AMRC
Maltezos Louis P
President-Central&West USA Can
Transactions
- Exercise/Conversion
Class A Common Stock
2026-03-10+875→ 32,401 total - Sale
Class A Common Stock
[F1]2026-03-12$25.31/sh−306$7,745→ 32,095 total - Award
Stock Option (right to purchase)
[F2]2026-03-10+20,000→ 20,000 totalExercise: $26.36→ Class A Common Stock (20,000 underlying) - Award
Restricted Stock Unit
[F3][F4]2026-03-10+5,000→ 7,625 total→ Class A Common Stock (5,000 underlying) - Exercise/Conversion
Restricted Stock Unit
[F3][F4]2026-03-10−875→ 6,750 total→ Class A Common Stock (875 underlying)
Footnotes (4)
- [F1]The shares were sold pursuant to an automatic sell-to-cover instruction signed September 5, 2025 solely to cover applicable withholding taxes in connection with the vesting of RSUs.
- [F2]Of the shares subject to the option, 20% vest on each of anniversary of the grant date of March 10, 2026 over a period of five years.
- [F3]Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").
- [F4]Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.
Signature
/s/ David J. Corrsin, attorney-in-fact|2026-03-12