Every Form 4 that Ameresco, Inc. (AMRC) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow AMRC and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full AMRC filings page.
Ameresco, Inc. (AMRC) Executive Vice President, Chief Financial Officer and Chief Accounting Officer Mark Chiplock reported a sale of 476 shares of Class A Common Stock on September 15, 2026 at $22.46 per share. The filing states the shares were sold under an automatic sell-to-cover instruction solely to cover withholding taxes upon vesting of RSUs, pursuant to a Rule 10b5-1 trading plan, leaving 2,815 shares held directly.
Ameresco, Inc. (AMRC) reported that Co-President Louis P. Maltezos sold 592 shares of Class A Common Stock on September 15, 2026 at $22.46 per share. The sale was executed under an automatic sell-to-cover instruction signed March 6, 2025 to cover applicable withholding taxes on vesting RSUs, and he held 33,628 shares afterward.
Ameresco, Inc. (AMRC) Executive Vice President, Chief Financial Officer and Chief Accounting Officer Mark Chiplock reported the vesting and conversion of 1,625 Restricted Stock Units into 1,625 shares of Class A Common Stock on September 10, 2026, at a stated price of $0.00 per share. Each RSU represents a contingent right to receive one share of Class A Common Stock and vests over two years, with 25% vesting on each six‑month anniversary of the grant date. Following these transactions, Chiplock holds 3,291 shares of Class A Common Stock and 3,375 RSUs directly, and no Rule 10b5-1 trading plan is reported.
Ameresco, Inc. (AMRC) reports that Chief Executive Officer and director George P. Sakellaris exercised 6,250 Restricted Stock Units (RSUs) on September 10, 2026, receiving 6,250 shares of Class A Common Stock at a stated price of $0.00 per share.
Following these transactions, he holds 1,019,847 Class A shares directly, plus indirect holdings reported as 1,100,000 shares by a trust for his children and 200,000 shares by his spouse, for which he disclaims beneficial ownership. The RSUs, granted at various dates, vest over two years with 25% vesting on each 6‑month anniversary of the grant date, and each RSU represents a contingent right to one Ameresco Class A share.
Ameresco, Inc. (AMRC) reported that Co-President Louis P. Maltezos exercised 2,125 Restricted Stock Units into 2,125 shares of Class A Common Stock on September 10, 2026, at a stated price of $0.00 per share. Following the transaction, he directly holds 34,220 Class A shares and 4,625 RSUs. Each RSU represents one share of Class A Common Stock and vests over two years, with 25% vesting on each 6‑month anniversary of the grant date. No Rule 10b5-1 trading plan is reported for these transactions.
Ameresco, Inc. (AMRC) reported that Chief Operating Officer Peter Christakis exercised 1,750 Restricted Stock Units (RSUs) into 1,750 shares of Class A Common Stock on September 10, 2026. Each RSU represents one share of common stock and vests over two years, with 25% vesting every six months from the grant date.
Following these transactions, Christakis holds 3,750 RSUs granted at various dates and 15,106 shares of Class A Common Stock, all held directly. No Rule 10b5-1 trading plan is reported for these transactions.
Ameresco, Inc. (AMRC) Co-President Nicole E. Bulgarino reported equity compensation activity on September 10, 2026. She exercised 875 Restricted Stock Units, each converting into one share of Class A Common Stock, and reported holding 4,875 RSUs afterward. A related entry shows 1,875 shares of Class A Common Stock credited, bringing her direct Class A Common Stock holdings to 61,171 shares. The RSUs vest over two years, with 25% vesting on each six‑month anniversary of their grant dates, assuming continued service.
Ameresco, Inc. (AMRC) reported that Chief Executive Officer and director George P. Sakellaris purchased 3,000 shares of Class A Common Stock on 2026-08-28 at a weighted average price of $22.13 per share, with individual trade prices ranging from $21.87 to $22.80. Following this purchase, he directly holds 1,013,597 Class A shares. He is also reported as the beneficial owner of 1,100,000 shares held by a trust for his children and 200,000 shares held by his spouse, but he disclaims beneficial ownership of both the trust and spouse-held shares.
Ameresco, Inc. (AMRC) reported that Chief Executive Officer and director George P. Sakellaris purchased 5,000 shares of Class A Common Stock in open-market transactions. On August 26, 2026 he bought 1,000 shares at a weighted average price of $21.92 (within a $21.86–$21.99 range), and on August 27, 2026 he bought 4,000 shares at a weighted average price of $22.84 (within a $22.59–$23.00 range). The report also shows 1,100,000 shares held indirectly by a trust for his children and 200,000 shares held by his spouse; he disclaims beneficial ownership of both indirect positions.
Ameresco, Inc. (AMRC) director Jennifer L. Miller purchased Ameresco Class A Common Stock in the open market. On 2026-08-24, she bought 2,000 shares at $20.96 per share, bringing her directly held position to 34,546 shares. The transaction was not reported under a Rule 10b5-1 trading plan.
Ameresco, Inc. (AMRC) director Joseph W. Sutton reported an open-market purchase of Class A Common Stock. On 2026-08-24, he purchased 9,700 shares at a weighted average price of $20.87 per share, in multiple trades between $20.45 and $21.18. Following this, he directly owns 80,246 shares and indirectly holds 133,355 shares through Sutton Ventures LP.
Ameresco, Inc. (AMRC) reported that Chief Executive Officer George P. Sakellaris, a director and more than ten percent owner, purchased a total of 10,000 shares of Class A Common Stock in open-market transactions on August 24–25, 2026. The purchases consisted of 5,000 shares at a weighted average price of $20.91 (with individual prices from $20.56 to $21.19), 938 shares at a weighted average price of $21.60 (range $20.88 to $21.79), and 4,062 shares at a weighted average price of $22.03 (range $21.80 to $22.15). The filing also reports indirect holdings of 1,100,000 shares by a trust for his children and 200,000 shares held by his spouse, for which he disclaims beneficial ownership. The transactions were not reported as made under a Rule 10b5-1 trading plan.
Ameresco, Inc. (AMRC) director Brian C. Cox reported an open-market or private purchase of Class A Common Stock. On 2026-08-21, he bought 4,625 shares at $21.64 per share. After this transaction, Cox directly holds 44,325 shares of Ameresco Class A Common Stock.
Ameresco, Inc. (AMRC) reported that David J. Corrsin, its Executive Vice President and General Counsel, acquired a stock option for 25,000 shares of Class A common stock on August 17, 2026. The option has an exercise price of $14.55 per share and an expiration date of May 11, 2035, resulting in post-transaction holdings of 25,000 option shares. According to the footnote, this reflects partial vesting of a 50,000-share performance-based option originally granted on May 12, 2025; 25,000 shares vested effective as of his resignation as Executive Vice President, General Counsel and Secretary and transition to Special Legal Advisor, and the remaining 25,000 option shares were forfeited.
Ameresco, Inc. Chief Executive Officer and 10% owner George P. Sakellaris reported open-market purchases of Class A Common Stock totaling 7,000 shares over three days. He bought 5,000 shares on August 7, 2026, 1,000 shares on August 10, 2026, and 1,000 shares on August 11, 2026 at weighted average prices between about $25.22 and $26.20 per share. Additional entries list 1,100,000 shares held indirectly by a trust for his children and 200,000 shares held by his spouse, for which he disclaims beneficial ownership.
Ameresco, Inc. director Brian C. Cox purchased 39,700 shares of Class A Common Stock on August 10, 2026. The weighted average purchase price was $25.07 per share, with individual trades executed between $24.98 and $25.07. Following this transaction, he directly holds 39,700 shares.
Cox Brian C reported acquisition or exercise transactions in this Form 4 filing.
Ameresco, Inc. director Brian C. Cox received a grant of 5,132 Restricted Stock Units under the non-employee director compensation plan. Each RSU represents a contingent right to one share of Class A Common Stock and vests in full on August 1, 2027, assuming continued service.
Ameresco, Inc. director Charles R. Patton increased his holdings through equity compensation. On the reported date, he acquired 10,435 shares of Class A Common Stock at a price of $0.00 per share by exercising vested Restricted Stock Units, rather than buying shares on the open market.
Following this transaction, he directly holds 23,824 shares of Class A Common Stock. The RSUs are described as an annual grant under Ameresco’s non-employee director compensation plan and each unit represents a contingent right to receive one share, vesting in full on the first anniversary of the grant date assuming continued service.
Ameresco, Inc. director Francis V. Wisneski Jr. reported compensation-related equity activity. He exercised 10,435 Restricted Stock Units (RSUs), receiving 10,435 shares of Class A Common Stock and bringing his direct holdings to 35,667 shares. He also received an annual grant of 4,812 RSUs under Ameresco’s non-employee director compensation plan. Each RSU represents a right to one share of Class A Common Stock and the new RSUs vest in full on the first anniversary of the grant date, assuming continued service.
Ameresco, Inc. director Nickolas Stavropoulos reported compensation-related equity movements, not open-market trades. He exercised 10,435 Restricted Stock Units (RSUs), receiving 10,435 shares of Class A Common Stock and bringing his direct holdings to 24,546 shares. On the same date, he received an annual grant of 4,812 RSUs under Ameresco’s non-employee director compensation plan. Each RSU represents a contingent right to one share of Class A Common Stock and the new RSUs vest in full on the first anniversary of the grant date, assuming continued service.
Ameresco, Inc. director Jennifer L. Miller reported routine equity compensation activity. She exercised 10,435 Restricted Stock Units into 10,435 shares of Class A Common Stock, bringing her direct common stock holdings to 32,546 shares after the transactions. She also received an annual grant of 4,812 RSUs under Ameresco’s non-employee director compensation plan. Each RSU represents one share of Class A Common Stock and vests in full on the first anniversary of the grant date, assuming continued service.
Ameresco director Joseph W. Sutton reported equity compensation activity involving Ameresco, Inc. Class A Common Stock. On June 4, 2026, Restricted Stock Units (RSUs) covering 10,435 shares were exercised, resulting in the same number of Class A shares being acquired at a stated price of $0.00 per share.
The filing also shows a new annual RSU grant of 4,812 units under Ameresco’s non-employee director compensation plan, each representing a right to receive one share of Class A Common Stock and vesting in full on the first anniversary of the grant date, subject to continued service. Following these transactions, Sutton holds 70,546 Class A shares directly, 4,812 RSUs, and 133,355 Class A shares indirectly through Sutton Ventures LP.
Ameresco, Inc. director Claire D'Oyly-Hughes Johnson reported routine equity compensation activity and an update to indirect holdings. She exercised 10,435 Restricted Stock Units (RSUs) into the same number of Class A Common shares at a stated price of $0.00 per share, increasing her direct common stock holdings to 20,546 shares after the transaction.
She also received an annual grant of 4,812 RSUs under Ameresco’s non-employee director compensation plan. Each RSU represents a contingent right to receive one share of Class A Common Stock and is scheduled to vest in full on the first anniversary of the grant date, assuming continued service through that date. Separately, an indirect trust position reflects 1,800 Class A Common shares held on an indirect basis.
Ameresco, Inc. director Francis V. Wisneski Jr. reported an option exercise and share sale involving Class A Common Stock. On May 29, 2026, he exercised stock options to acquire 5,000 shares at $5.80 per share and then executed an open-market sale of 5,000 shares at $36.12 per share. After these transactions, he directly owns 25,232 shares of Ameresco Class A Common Stock. The stock option exercised was subject to vesting based on Ameresco achieving adjusted EBITDA of at least $100 million or the three-year anniversary of the grant.
Ameresco, Inc. director Francis V. Wisneski Jr. reported an option exercise and related stock sale. On May 19, 2026, he exercised options to acquire 10,000 shares of Class A common stock at $5.80 per share, then sold 10,000 shares in an open-market transaction at a weighted average price of $30.29 per share. The sale was executed in multiple trades between $30.21 and $30.45. After these transactions, Wisneski directly holds 25,232 shares of Ameresco Class A common stock.
Ameresco director Jennifer L. Miller reported routine stock activity involving both an option exercise and share sales. She exercised stock options to acquire 10,000 shares of Class A Common Stock at an exercise price of $4.74 per share, then sold a total of 10,000 shares in open-market transactions at weighted average prices of $32.13 and $32.73 per share. The sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on December 6, 2024, indicating these trades were scheduled in advance as part of her portfolio management and she remains a shareholder of Ameresco.
Ameresco, Inc. executive Louis P. Maltezos, President-Central & West USA Can, received a grant of stock options for 30,000 shares of Class A common stock. The options have an exercise price of $31.02 per share and expire on May 18, 2036.
According to the footnote, 20% of the shares subject to the option vest on each anniversary of the grant date of May 18, 2026 over a five-year period. Following this grant, Maltezos holds options covering 30,000 shares directly.
Ameresco, Inc. reported that executive Nicole E. Bulgarino, President – Federal & Utility, received a grant of stock options covering 30,000 shares of Class A common stock. The options have an exercise price of $31.02 per share and expire on May 18, 2036.
These options were awarded as a compensation grant, not an open-market purchase. According to the vesting terms, 20% of the options vest on each anniversary of the May 18, 2026 grant date over a five-year period, contingent on continued service. Following this grant, she holds 30,000 options from this award.
Ameresco, Inc. director Nickolas Stavropoulos exercised options to acquire 1,355 shares of Class A Common Stock at $16.33 per share and sold 1,355 shares at $34.00 per share on May 15, 2026. The sale was executed under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, he holds 14,111 Class A shares directly and 6,000 stock options.
Ameresco, Inc. reported that executive Peter Christakis, President-EastUSA, ProjectRisk, received a grant of stock options on Class A Common Stock. The award covers 30,000 options with an exercise price of $31.02 per share and expires on May 18, 2036.
All 30,000 options are reported as held directly after this grant. According to the footnote, 20% of the shares subject to the option vest on each anniversary of the May 18, 2026 grant date over a five-year period, making this a time-based, compensation-related award rather than an open-market transaction.
Ameresco director Joseph W. Sutton exercised stock options to acquire 10,000 shares of Class A Common Stock at an exercise price of $4.74 per share on April 23, 2026. After this derivative exercise, he directly holds 60,111 shares of Ameresco Class A Common Stock.
The exercised option covered 10,000 underlying shares and now shows zero remaining following the transaction, indicating it has been fully exercised. According to the disclosed vesting terms, 20% of the option vested on May 26, 2017, with the remainder vesting in four equal annual installments on subsequent anniversaries of that date.
Ameresco, Inc. President and CEO George P. Sakellaris reported several equity awards and an option exercise. He received a grant of stock options for 100,000 shares of Class A Common Stock at an exercise price of $26.36 per share, and a grant of 10,000 restricted stock units (RSUs). On the same date, he exercised 3,750 RSUs, converting them into 3,750 shares of Class A Common Stock. After these transactions, he directly holds 988,597 shares of Class A Common Stock, 100,000 options, and 17,500 RSUs. The filing also notes 200,000 shares held indirectly by his spouse, for which he disclaims beneficial ownership.
Ameresco, Inc. President – Federal & Utility Nicole E. Bulgarino reported equity-based compensation rather than open‑market trades. She received a grant of 20,000 stock options with an exercise price of $26.36 per share and 4,000 restricted stock units (RSUs).
According to the filing, the options vest over five years, with 20% vesting on each anniversary of the March 10, 2026 grant date. Each RSU converts into one share of Class A Common Stock and vests over two years, with 25% vesting every six months. On the same date, 875 RSUs were exercised into 875 shares, bringing her direct Class A Common Stock holdings to 59,296 shares and her remaining RSU balance to 5,750 units.
Ameresco, Inc. EVP, CFO & CAO Mark Chiplock reported several equity transactions. He sold 273 shares of Class A Common Stock at $25.31 per share under an automatic sell-to-cover instruction used solely to pay withholding taxes on vesting RSUs, leaving 1,666 shares held directly.
He received a stock option grant for 20,000 shares of Class A Common Stock at an exercise price of $26.36 per share, with 20% vesting on each anniversary of the March 10, 2026 grant date over five years. He was also granted 3,500 restricted stock units, bringing his RSU balance to 5,000, which vest over two years with 25% vesting every six months. Separately, 750 RSUs were converted into 750 shares of Class A Common Stock.
Ameresco, Inc. reported that Michael T. Bakas, President - Renewable Fuels, received new equity awards and a small vesting-related share delivery. He was granted stock options for 20,000 shares of Class A Common Stock at an exercise price of $26.36 per share, which vest 20% on each anniversary of the March 10, 2026 grant date over five years.
He also received 4,000 restricted stock units (RSUs), each representing one share of Class A Common Stock, vesting over two years with 25% on each 6‑month anniversary of the grant date. In addition, 875 RSUs were exercised into 875 shares of Class A Common Stock. Following these transactions, he holds 20,000 options, 5,750 RSUs, and 13,634 shares of Class A Common Stock directly.
Ameresco, Inc. officer Louis P. Maltezos reported routine equity compensation and a small related share sale. He received stock options for 20,000 shares of Class A Common Stock at an exercise price of $26.36 per share and 5,000 restricted stock units, each RSU representing one share. He also had 875 RSUs convert into 875 shares of Class A Common Stock. To cover withholding taxes tied to RSU vesting, an automatic instruction sold 306 shares on the market at $25.31 per share. After these transactions, he directly holds 32,095 Class A shares, 6,750 RSUs, and 20,000 options.
Ameresco, Inc. EVP and General Counsel David J. Corrsin reported a mix of equity awards and a small tax-related sale involving his spouse’s holdings. On March 10, 2026, he received 20,000 stock options with a strike price of $26.36 and 3,500 RSUs tied to Class A Common Stock. His spouse was also granted 4,000 stock options at $26.36 and 350 RSUs, and 50 RSUs held by his spouse were converted into 50 shares of Class A Common Stock.
On March 12, 2026, his spouse sold 19 shares of Class A Common Stock at $25.31 per share under an automatic sell-to-cover instruction solely to pay withholding taxes on RSU vesting. The report corrects a prior clerical error that had misstated this sale as 50 shares. Following these transactions, Corrsin holds 20,471 shares directly and 441 shares are held indirectly by his spouse, over which he disclaims beneficial ownership.
Ameresco, Inc. reported that executive Christakis Peter, President-EastUSA, ProjectRisk, received new equity awards and exercised existing units on March 10, 2026. He was granted stock options for 20,000 shares of Class A Common Stock at an exercise price of $26.36 per share, with 20% vesting on each anniversary of the grant date over five years. He also received 4,000 restricted stock units (RSUs), each representing one share of Class A Common Stock, which vest over two years with 25% vesting every six months. On the same date, he exercised 750 RSUs into 750 shares of Class A Common Stock. Following these transactions, he directly holds 13,356 shares of Class A Common Stock, 20,000 options, and 5,500 RSUs.
Ameresco, Inc. insider activity centers on spouse-held shares and RSU vesting. The spouse of EVP and General Counsel David Corrsin sold 50 shares of Class A Common Stock at $26.34 per share, under an automatic sell-to-cover instruction to pay withholding taxes on restricted stock unit vesting.
On the same date, 50 restricted stock units were converted into 50 shares of Class A Common Stock at a $0.00 exercise price, a non-market acquisition. After these transactions, Corrsin reports 20,471 shares held directly and 379 shares held indirectly by his spouse.
Ameresco, Inc. executive David J. Corrsin reported exercising stock options and acquiring common shares. On the reported date, he exercised a stock option for 20,000 shares of Class A common stock at an exercise price of $4.64 per share through a derivative exercise/conversion.
Following this transaction, he directly held 20,471 shares of Ameresco Class A common stock. A further 379 shares are held indirectly by his spouse, for which he disclaims beneficial ownership. The option exercised was part of a 2016 grant tied to service and performance goals, of which 44,401 shares ultimately vested.
Ameresco, Inc. director Nickolas Stavropoulos exercised stock options and sold shares in closely matched amounts. On February 19–20, 2026, he exercised options for a total of 16,100 shares of Class A Common Stock at an exercise price of $16.33 per share and then sold 16,100 shares in open-market transactions at weighted average prices around $34.00–$34.53 per share. These sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on September 8, 2025. After these transactions, he directly owned 14,111 Ameresco shares.
Ameresco, Inc. director Nickolas Stavropoulos reported exercising stock options and selling shares of Class A Common Stock over two days in February 2026. On February 12 and 13, he exercised options with a $16.33 exercise price and sold the resulting shares in open-market transactions around $34 per share.
The filing shows these sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on September 8, 2025. Following the reported transactions, he held 14,111 shares of Class A Common Stock and 23,455 stock options, all as direct holdings.
Ameresco, Inc. director Nickolas Stavropoulos reported a small, planned stock transaction involving company shares and options. On January 28, 2026, he exercised a stock option for 100 shares of Class A Common Stock at $16.33 per share and then sold 100 shares at $34 per share under a pre-arranged Rule 10b5-1 trading plan adopted on September 8, 2025.
After these transactions, he directly owned 14,111 shares of Ameresco Class A Common Stock and held 23,900 stock options. The option originally vested 20% on April 24, 2020, with the remaining 80% vesting in four equal annual installments on subsequent anniversaries.
Ameresco (AMRC) executive insider activity: The EVP, CFO & CAO reported option exercises and open‑market sales on October 9 and 13, 2025 under a Rule 10b5‑1 trading plan adopted on June 5, 2025. He exercised options for 23,899 shares at $12.35 and $13.37 and sold 23,899 shares in multiple trades, including weighted‑average sales ranging from $39.72 to $40.18 and from $40.92 to $41.92, plus sales at $41.92 and $44.92. Following these transactions, direct holdings were 1,189 Class A shares.
Ameresco, Inc. (AMRC) reporting person Mark Chiplock, EVP, CFO & CAO, executed a series of transactions under a Rule 10b5-1 trading plan adopted on 06/05/2025. On 10/06/2025, 10/07/2025, and 10/08/2025 he exercised portions of stock options with a $13.37 exercise price and sold the resulting shares in multiple market transactions. The filings show 15,600 shares sold in total (5,900 + 5,900 + 3,800) at weighted average sale prices of about $39.51 and $39.75 across the trade dates, while the options exercised were originally granted with an exercise price of $13.37.
Following these transactions the reporting person’s beneficial ownership in Class A common stock is reported at 1,189 shares held directly; derivative holdings indicate remaining option-related rights equal to 19,798 underlying shares after the reported exercises and sales. The Form 4 includes footnotes disclosing sale price ranges and the 10b5-1 plan used for the sales.