Welcome to our dedicated page for Montrose Environmental Group SEC filings (Ticker: MEG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Montrose Environmental Group, Inc. (NYSE: MEG) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. As an environmental solutions company serving commercial and government organizations, Montrose uses these filings to report financial results, describe segment performance and document significant corporate events.
Investors can review current reports on Form 8-K, which Montrose uses to announce material events such as quarterly earnings releases and capital structure changes. For example, the company has filed 8-K reports to furnish press releases detailing results for fiscal quarters and to disclose the voluntary full redemption of its Series A-2 Preferred Stock, including the use of cash on hand and borrowings under its credit facility and the resulting change in board appointment rights.
Periodic reports such as the Annual Report on Form 10-K and Quarterly Reports on Form 10-Q, referenced in Montrose’s communications, provide more extensive information on its three operating segments—Assessment, Permitting and Response; Measurement and Analysis; and Remediation and Reuse—along with risk factors, liquidity discussions and reconciliations of non-GAAP measures like Consolidated Adjusted EBITDA, Adjusted Net Income and Free Cash Flow to the most directly comparable GAAP metrics.
On Stock Titan, these filings are supplemented with AI-powered summaries that highlight key points from lengthy documents, helping users quickly understand revenue drivers, segment trends, capital structure updates and other disclosures without reading every page. Real-time updates from the SEC’s EDGAR system ensure that new 10-K, 10-Q and 8-K filings appear promptly. Users can also monitor items related to equity and preferred securities, board and governance changes and other topics that Montrose reports through its SEC submissions.
Montrose Environmental Group, Inc. reported an insider equity transaction by a company director. On 01/01/2026, the director acquired 4,430 shares of common stock at a price of $0 per share. Following this transaction, the director beneficially owns 693,077 shares of Montrose Environmental Group common stock, held directly.
Montrose Environmental Group, Inc. reported that one of its directors acquired additional company stock. On 01/01/2026, the director received 4,430 shares of common stock at a stated price of $0 per share, indicating a grant rather than an open-market purchase. After this transaction, the director beneficially owned 1,075,266 shares of Montrose Environmental Group common stock in direct form.
Montrose Environmental Group, Inc. General Counsel and Secretary Nasym Afsari reported an automatic share withholding related to equity compensation. On 12/16/2025, 60,813 shares of common stock were withheld at a price of $26.4 per share, coded as transaction type “F,” which indicates shares withheld to cover tax obligations rather than an open-market sale. After this transaction, Afsari beneficially owned 205,078 shares of Montrose Environmental Group common stock directly.
Montrose Environmental Group, Inc. reported an insider share transaction by its Chief Financial Officer on a Form 4. On 12/16/2025, the CFO had 60,813 shares of common stock withheld at a price of $26.40 per share. The filing explains this was to cover tax withholding obligations related to the vesting of restricted stock units, rather than an open-market sale. After this transaction, the CFO beneficially owned 211,643 shares of Montrose Environmental Group common stock directly.
Montrose Environmental Group, Inc. insider reports tax‑related share withholding
A Montrose Environmental Group, Inc. officer, serving as Chief Strategy Officer, reported a transaction in the company’s common stock dated 12/16/202546,216 shares of common stock were disposed of at a price of $26.40 per share, coded as an “F” transaction, which indicates shares were withheld to cover tax obligations.
According to the report, this withholding was done to satisfy tax withholding obligations in connection with the vesting of restricted stock units. After this transaction, the officer directly beneficially owned 269,282 shares of Montrose Environmental Group, Inc. common stock.
Montrose Environmental Group, Inc. reported a routine insider transaction by its President & CEO, who is also a director. On 12/16/2025, 152,886 shares of common stock were withheld and disposed of at $26.4 per share to cover tax withholding obligations tied to vesting restricted stock units. Following this tax withholding event, the reporting person directly beneficially owns 163,751 shares of Montrose Environmental common stock.
Baron Capital Group and affiliates filed an amended Schedule 13G on Montrose Environmental Group (MEG), reporting beneficial ownership of 2,160,463 shares, or 6.12%, tied to the 09/30/2025 event date.
Within the group, BAMCO reports 1,859,070 shares (5.27%), Baron Capital Management reports 301,393 shares (0.85%), and Baron Discovery Fund reports 1,419,000 shares (4.02%). Voting and dispositive power are reported as shared and not sole across entities. The filing certifies the securities were acquired and are held in the ordinary course and not to change or influence control.
Montrose Environmental Group (MEG) reported insider transactions by its President & CEO and Director. On November 10–11, 2025, the insider exercised 44,983 and 44,984 stock options at $6.03 per share, then sold 39,799, 5,072, 112, and 44,984 shares at weighted average prices of $24.626, $25.617, $26.17, and $24.073, respectively. After these transactions, direct beneficial ownership was 316,637 shares. The trades were made under a Rule 10b5-1 trading plan.
William Blair Investment Management, LLC filed Amendment No. 2 to Schedule 13G for Montrose Environmental Group, Inc., reporting beneficial ownership of 1,315,018 shares of Common Stock, or 3.7% of the class, tied to the event date 09/30/2025.
The filer reports sole voting power over 1,052,190 shares and sole dispositive power over 1,315,018 shares, with no shared voting or dispositive power. The reporting person is an investment adviser and certifies the securities were acquired and are held in the ordinary course and not to change or influence control.
MEG filed a Form 144 notice for a proposed sale of up to 44,984 shares of common stock. The filing lists an aggregate market value of $1,082,922.32, an approximate sale date of 11/11/2025, and Fidelity Brokerage Services as broker. The securities are listed on the NYSE.
Shares outstanding were 35,337,667 as of the disclosure. The notice also reports sales during the past three months by the same seller: 44,983 common shares on 11/10/2025 for gross proceeds of $1,112,937.90.
The filing indicates the shares to be sold were acquired on 11/11/2025 via an option originally granted on 06/23/2016, with cash payment noted.