Insider Ledger

ONT insider buying and SEC filings, explained

Montrose Environmental Group, Inc. · CIK 1643615

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Insider activity in the last 12 months

Bought
$610K
Insiders who bought
2
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$4.6M

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Jun 5, 2026Purchase (code P)Peter Graham (Director) bought 25,140 shares at about $17.19 ($432K), reported as a purchase (code P). Holdings up 11% to 256,689 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 8, 2026
Jun 3, 2026Purchase (code P)Peter Graham (Director) bought 4,860 shares at about $15.94 ($77K), reported as a purchase (code P). Holdings up 2% to 231,549 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 5, 2026
May 11, 2026Purchase (code P)Allan Dicks (CFO) bought 6,535 shares at $15.36 ($100K), reported as a purchase (code P). Holdings up 3% to 218,178 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 12, 2026
Mar 13, 2026Planned (10b5-1)Vijay Manthripragada (CEO and Director) sold 46,121 shares at about $25.41 ($1.2M), marked as a 10b5-1 plan trade. Holdings down 16% to 236,788 shares.SEC filing
Filed Mar 16, 2026
Mar 2–3, 2026Planned (10b5-1)Nasym Afsari (General Counsel and Secretary) sold 43,548 shares between Mar 2 and Mar 3 at about $28.38 ($1.2M), marked as a 10b5-1 plan trade. Holdings down 18% to 204,878 shares.SEC filing
Filed Mar 4, 2026
Nov 10–11, 2025Planned (10b5-1)Vijay Manthripragada (CEO and Director) sold 89,967 shares between Nov 10, 2025 and Nov 11, 2025 at about $24.41 ($2.2M), marked as a 10b5-1 plan trade. Holdings down 22% to 316,637 shares.SEC filing
Filed Nov 12, 2025

24 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

2 insiders bought in 30 days

$610K in purchases since May 11, 2026 · Purchases traded May 11, 2026 to Jun 5, 2026 · Closed

InsiderValueTradedSource
Allan Dicks (CFO)$100KMay 11, 2026SEC filing
Peter Graham (Director)$77KJun 3, 2026SEC filing
Peter Graham (Director)$432KJun 5, 2026SEC filing

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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