Montrose Environmental Group, INC Form 4 insider transactions

Director Peter Graham acquired 25,140 shares of Onterris, Inc. common stock at a weighted average price of $17.19.

Director Peter Graham acquired 4,860 shares of Onterris, Inc. common stock at a weighted average price of $15.94.

Chief Strategy Officer Jose Revuelta exercised options for 27,349 shares of Onterris, Inc. common stock.

Onterris, Inc. Chief Financial Officer Allan Dicks acquired 6,535 shares of common stock at a price of $15.36 per share.

Montrose Environmental Group's President & CEO, Vijay Manthripragada, exercised stock options and subsequently sold a portion of the acquired common stock.

Montrose Environmental Group Director Richard E. Perlman reported gifting 74,461 shares of common stock to a qualified charitable organization.

Montrose Environmental Group's Chief Operating Officer, James Laws, was granted 18,761 restricted stock units, aligning his interests with shareholders.

Montrose Environmental Group's Chief Strategy Officer, Jose Revuelta, sold over 100,000 shares of common stock after exercising stock options in early March 2026.

Montrose Environmental Group's Chief Strategy Officer, Jose Revuelta, exercised stock options and subsequently sold an equal number of shares.

Montrose Environmental Group's Chief Strategy Officer, Jose Revuelta, exercised stock options and subsequently sold shares of common stock.

Montrose Environmental Group Director J Thomas Presby exercised options and sold a portion of his common stock holdings.

Montrose Environmental Group's General Counsel and Secretary, Nasym Afsari, reported the sale of common stock following the exercise of stock options.

Montrose Environmental Group Director Vincent Colman acquired 4,430 shares of common stock, increasing his direct beneficial ownership to 12,426 shares.

Montrose Environmental Group Director Robin Newmark acquired 4,430 shares of common stock on January 1, 2026, under a Rule 10b5-1 plan.

Montrose Environmental Group Director J Thomas Presby acquired 4,430 shares of common stock on January 1, 2026, under a pre-arranged Rule 10b5-1 plan.

Montrose Environmental Group Director Peter Graham acquired 4,430 shares of common stock on January 1, 2026, under a pre-arranged plan.

Montrose Environmental Group Director Jose Miguel Fernandez de Castro acquired 4,430 shares of common stock on January 1, 2026, under a Rule 10b5-1 plan.

Montrose Environmental Group Director Janet Risi Field acquired 4,430 shares of common stock on January 1, 2026, as part of a pre-arranged plan.

Montrose Environmental Group Director Richard E. Perlman acquired 4,430 shares of common stock, increasing his direct beneficial ownership to 693,077 shares.

Montrose Environmental Group Director James K. Price acquired 4,430 shares of common stock on January 1, 2026, under a Rule 10b5-1 plan.

Montrose Environmental Group's General Counsel and Secretary, Nasym Afsari, disposed of 60,813 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Montrose Environmental Group's CFO, Allan Dicks, disposed of 60,813 shares of common stock to cover tax withholding obligations related to vested restricted stock units.

Montrose Environmental Group's Chief Strategy Officer, Jose Revuelta, disposed of 46,216 common shares to cover tax withholding obligations related to restricted stock unit vesting.

Montrose Environmental Group's President & CEO, Vijay Manthripragada, disposed of 152,886 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Montrose Environmental Group's President & CEO, Vijay Manthripragada, sold common stock acquired through option exercises under a pre-arranged 10b5-1 trading plan.

Jose Miguel Fernandez de Castro, a director at Montrose Environmental Group, purchased 10,000 shares of common stock at an average price of $18.07, according to an amended SEC Form 4 filing.

Director Colman Vincent purchased 2,600 shares of Montrose Environmental Group, Inc. at an average price of $18.85 on May 13, 2025.

Director Vincent Colman acquired 5,396 shares of Montrose Environmental Group, Inc. on March 11, 2025.

Director Jose Miguel Fernandez de Castro purchased 10,000 shares of Montrose Environmental Group, Inc. at an average price of $18.07 on March 6, 2025.

Director Janet Risi Field acquired 5,929 shares of Montrose Environmental Group, Inc. on January 1, 2025.