🕵️ Ameresco, Inc. ($AMRC)
SEC insider & ownership activity, last 12 months · CIK 1488139 · every row links its SEC filing
Over the last 12 months insiders sold $3.3M with no open-market buying against it. Mark Chiplock sold $1.8M through a program of 6 sale notices averaging $283K (Sep–Mar). Grantham, MAYO, Van Otterloo & Co. LLC trimmed 9.2% → 6.7%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 6 sellers, $3.3M (25 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Mark Chiplock | 0 | – | 10 | $1.8M | Mar 12, 2026 |
| Stavropoulos Nickolas | 0 | – | 6 | $614K | May 15, 2026 |
| Francis V. Wisneski Jr. | 0 | – | 2 | $484K | May 29, 2026 |
| Jennifer L. Miller | 0 | – | 2 | $323K | May 18, 2026 |
| Louis P. Maltezos | 0 | – | 1 | $8K | Mar 12, 2026 |
| David J. Corrsin | 0 | – | 4 | $3K | Mar 12, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| George P. Sakellaris | 39.5% | 13G | Jan 31, 2025 | filing ↗ | |
| Wellington Management Group LLP | 10.2% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Group Holdings LLP | 10.2% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Investment Advisors Holdings LLP | 10.2% | 13G | May 15, 2026 | filing ↗ | |
| Wellington Management Company LLP | 9.1% | 13G | May 15, 2026 | filing ↗ | |
| Grantham, MAYO, Van Otterloo & Co. LLC | 6.7% | 13G | Feb 10, 2026 | filing ↗ | |
| Millennium Management LLC | 5.2% | Class A | 13G | Jul 22, 2026 | filing ↗ |
| Millennium Group Management LLC | 5.2% | Class A | 13G | Jul 22, 2026 | filing ↗ |
| Israel A. Englander | 5.2% | Class A | 13G | Jul 22, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Frank Wisneski | $181K | May 29, 2026 | filing ↗ |
| Frank Wisneski | $303K | May 19, 2026 | filing ↗ |
| Jennifer Miller | $323K | May 18, 2026 | filing ↗ |
| Nickolas Stavropoulos | $45K | May 15, 2026 | filing ↗ |
| Nickolas Stavropoulos | $589K | Feb 13, 2026 | filing ↗ |
| Nickolas Stavropoulos | $7K | Feb 12, 2026 | filing ↗ |
| Nickolas Stavropoulos | $3K | Jan 28, 2026 | filing ↗ |
| Mark Chiplock | $641K | Oct 13, 2025 | filing ↗ |
| Mark Chiplock | $193K | Oct 9, 2025 | filing ↗ |
| Mark Chiplock | $229K | Oct 8, 2025 | filing ↗ |
| Mark Chiplock | $226K | Oct 7, 2025 | filing ↗ |
| Mark Chiplock | $220K | Oct 6, 2025 | filing ↗ |
| Mark Chiplock | $188K | Oct 1, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jul 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 22, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 4, 2026 | filing ↗ |
| Material agreement (1.01) | May 12, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Material agreement (1.01) | May 4, 2026 | filing ↗ |
| Earnings (2.02) | May 4, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | May 4, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 30, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 30, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 30, 2026 | filing ↗ |
| Earnings (2.02) | Mar 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 2, 2026 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 3, 2025 | filing ↗ |
| Earnings (2.02) | Aug 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2025 | filing ↗ |