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ONT Montrose Environmental Group, Inc. Insider Trading

Latest: CFO Bought $100K of Shares · May 2026

Multiple insiders have been active at Montrose Environmental Group, Inc. (ONT): 5 distinct insiders account for 4 buy filings and 3 sell filings as of Mar 2026. Its highest-significance filing in the last 90 days: CFO Dicks Allan bought $100K, transaction dated May 2026.

4 filings analyzed · Latest 2026-03-16

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Buys
4
Sells
3
Insiders
5
Direction
Net buying

Montrose Environmental Group, Inc. leadership

CEO
Vijay Manthripragada — Chief Executive Officer
CFO
Allan Dicks — Chief Financial Officer
General Counsel
Nasym Afsari — General Counsel and Secretary
Chair
Richard E. Perlman — Chairman of the Board

Historically, medium-priority insider buys have outperformed the S&P 500 by a median ~1% over the 30 days after the trade — the edge is concentrated in that first month (n ≈ 7,162, 2024-2026). Past results don't predict the future. How we measure this ↗

June 2026
2026-06-08
medium
25,140 shares
$432,157
@ $17.19
Significance 6

Director Peter Graham buys 25,140 shares of ONT at $17.19 for $432,156.60 in recently listed company.

Peter Graham, a director of Onterris Inc., purchased 25,140 shares at $17.19 on 2026-06-05, increasing his holdings by 10.9% from 231,549 to 256,689 shares. The company is unprofitable with net income of $-12,690,000.00 on quarterly revenue of $168,518,000.00, though it shows strong annual revenue growth of +19.3% year-over-year. As a recently listed company (24 trading days), ONT lacks established valuation and price-history context, and the director's purchase at $17.19 is now slightly above the current price of $16.69. The insider's substantial accumulation of a $432,156.60 position merits attention, but the early stage of the listing, unprofitable operating status, and minimal price decline post-purchase limit the signal clarity.

2026-06-05
medium
4,860 shares
$77,468
@ $15.94
Significance 5

Director Peter Graham purchased 4,860 shares of ONT at $15.94 for $77,468.40 on 2026-06-03, 23 days post-IPO.

Peter Graham acquired 4,860 shares at $15.94, raising his holdings from 226,689 shares to 231,549 shares (+2.1% net change). The purchase occurred within 23 trading days of the company's initial listing. Onterris reported $168.5M in latest-quarter revenue with +19.3% annual growth, but is unprofitable with $-12.7M net income over its most recent full fiscal year. The company's elevated P/E of 107.19 reflects the early-stage valuation typical of recently listed firms. This transaction documents a director's acquisition activity in the immediate post-IPO window and should be monitored alongside the company's path to profitability.

May 2026
2026-05-12
high
Chief Financial Officer
6,535 shares
$100,378
@ $15.36
Significance 7

CFO Dicks Allan purchases 6,535 shares as stock trades well below 52-week highs amid unprofitable operations.

Dicks Allan, Onterris's CFO, acquired shares worth approximately $100,000 at a time when the stock is trading significantly below its 52-week high, making this a purchase into weakness. The company remains unprofitable on an annual basis and posted a substantial loss in the latest quarter, raising questions about fundamental health at a time when the CFO is adding to personal holdings. This is Allan's second open-market purchase in the past three years, continuing a pattern of buying; notably, he has never sold shares on the open market during this period. The stock's steep discount from its 52-week high creates a tactical backdrop where the CFO's purchase stands out as meaningful insider activity, though the company's current operating losses add complexity to interpreting what that activity signals about near-term prospects.

March 2026
2026-03-16 10b5-1 Plan
medium
President & CEO
46,121 shares
$1,171,935
@ $25.41
Significance 6

CEO Manthripragada Vijay sold 46,121 shares (46.1K) of MEG at $25.41 on 2026-03-13, reducing holdings by 16.3%; stock now -24.2% from 52-week high.

Manthripragada Vijay sold 46,121 shares at $25.41, representing a 16.3% reduction in his MEG holdings from 282,909 to 236,788 shares. The transaction occurred at a price $1.86 above the current market price of $23.55, which is -24.2% from the 52-week high of $31.06, suggesting the CEO acted when valuations were more favorable. At the same ticker, his prior 5 trades show mixed timing outcomes: 3 of 5 were well-timed at the 90-day mark, though the most recent prior sell on 2025-11-11 subsequently rose +13.6% over 30 days and +3.1% over 90 days. The company posted $224.9M in latest-quarter revenue with +19.3% annual growth, but reported negative net income for the full fiscal year despite the $8.4M quarterly net income shown, creating a disconnect between growth metrics and bottom-line profitability that warrants closer examination of recent results.

2026-03-04 10b5-1 Plan
medium
General Counsel and Secretary
43,548 shares
$1,235,696
@ $28.38
Significance 6

General Counsel Nasym sells 43,548 shares at $28.37-$30.00; stock now $27.26. Posts negative FY net income despite 19.3% revenue growth.

Afsari Nasym, General Counsel and Secretary at Montrose Environmental Group, executed 2 separate sales totaling 43,548 shares for $1,235,696.06 across March 2–3, 2026, at a blended average price of $28.38. This sale reduced his holdings by 17.5%, from 248,426 shares to 204,878 shares post-transaction. The sale prices of $30.00 and $28.37 are above the current market price of $27.26, though near the 52-week high of $31.06. Notably, the company delivered 19.3% annual revenue growth to $224,888,000.00 in the latest quarter but posted a negative full-year net income despite $8,378,000.00 in quarterly net income, indicating earnings volatility or significant seasonal/one-time charges. The P/E of 24.12 applied to inconsistent profitability, combined with a material reduction in executive equity holdings by a senior officer, warrants monitoring to understand whether this reflects portfolio management or shifts in management's outlook on operational stability.

November 2025
2025-11-12 10b5-1 Plan
medium
President & CEO
89,967 shares
$2,195,850
@ $24.41
Significance 4

MEG CEO Manthripragada Vijay sells 89,967 shares ($2.2M) via 4 transactions under 10b5-1 plan

Manthripragada Vijay, President & CEO of Montrose Environmental Group, Inc., executed 4 separate sales totaling 89,967 shares for $2,195,850.46 at a blended average price of $24.41 on November 10–11, 2025. This represents a -22.1% reduction from his pre-transaction holdings of 406,604 shares, leaving him with 316,637 shares post-transaction. The sales are part of a pre-arranged 10b5-1 trading plan, meaning they were scheduled in advance rather than discretionary decisions. As a scheduled divestiture by the CEO, this activity reduces his direct equity stake but does not reflect real-time market judgment or conviction signaling.

May 2025
2025-05-14
medium
2,600 shares
$49,010
@ $18.85
Significance 5

Director Colman Vincent buys 2,600 shares of MEG at $18.85, +48.2% of prior holdings, as stock trades -62.0% from 52-week high

Director Colman Vincent purchased 2,600 shares (2.6K shares) of Montrose Environmental Group at $18.85 on 2025-05-13, increasing his holdings by 48.2% from 5,396 to 7,996 shares. The purchase occurs while the stock trades $18.93, down -62.0% from its 52-week high of $49.82, though the stock has recovered +33.8% over the prior 30 days. The company reported quarterly revenue of $177.8M with annual growth of +11.6%, but remains unprofitable with a full-year net loss of $-19.4M, creating a mixed risk profile where operational growth has not yet translated to profitability. This open-market acquisition at a depressed price level relative to recent highs warrants attention to whether the director views current valuations as attractive relative to the company's recovery trajectory.

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