ONT

Onterris, Inc.

Company with tickers: MEG

CIK

1643615

CUSIP

615111101

Shares Outstanding

36,139,227

Website

https://www.montrose-env.com

13F Activity (30d)

6 filings 2 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

Net shares bought

0.10%

Net buy value

+$610,002

Date	Insider	Role	Type	Shares	Price	Value	After
2026-06-05	GRAHAM PETER	Director	Buy	25,140	$17.19	$432,157	256,689
2026-06-03	GRAHAM PETER	Director	Buy	4,860	$15.94	$77,468	231,549
2026-05-11	Revuelta Jose	Chief Strategy Officer	Convert	27,349	—	—	0
2026-05-11	Dicks Allan	Chief Financial Officer	Buy	6,535	$15.36	$100,378	218,178
2026-05-11	Revuelta Jose	Chief Strategy Officer	Convert	27,349	$6.03	$164,914	296,631
2026-03-13	Manthripragada Vijay	Director, President & CEO	Convert	33,166	—	—	85,992
2026-03-13	Manthripragada Vijay	Director, President & CEO	Convert	85,992	$6.03	$518,532	282,909
2026-03-13	PERLMAN RICHARD E	Director	Gift	74,461	—	—	618,616
2026-03-13	Manthripragada Vijay	Director, President & CEO	Convert	85,992	—	—	0
2026-03-13	Manthripragada Vijay	Director, President & CEO	Convert	33,166	$6.03	$199,991	196,917
2026-03-13	Manthripragada Vijay	Director, President & CEO	Sell	46,121	$25.41	$1,171,935	236,788
2026-03-11	Laws James	Chief Operating Officer	Award	18,761	—	—	18,761
2026-03-09	Revuelta Jose	Chief Strategy Officer	Sell	7,858	$27.00	$212,166	269,282
2026-03-09	Revuelta Jose	Chief Strategy Officer	Convert	7,858	$6.03	$47,384	277,140
2026-03-09	Revuelta Jose	Chief Strategy Officer	Convert	7,858	—	—	27,349
2026-03-04	Revuelta Jose	Chief Strategy Officer	Convert	42,668	—	—	35,207
2026-03-04	Revuelta Jose	Chief Strategy Officer	Other	42,668	$27.56	$1,175,930	269,282
2026-03-04	Revuelta Jose	Chief Strategy Officer	Award	42,668	$6.03	$257,288	311,950
2026-03-03	Afsari Nasym	General Counsel and Secretary	Convert	43,348	—	—	0
2026-03-03	Afsari Nasym	General Counsel and Secretary	Sell	43,348	$28.37	$1,229,696	204,878
2026-03-03	Revuelta Jose	Chief Strategy Officer	Other	60,000	$28.37	$1,702,200	269,282
2026-03-03	Revuelta Jose	Chief Strategy Officer	Award	60,000	$6.03	$361,800	329,282
2026-03-03	Afsari Nasym	General Counsel and Secretary	Convert	43,348	$6.03	$261,388	248,226
2026-03-03	Revuelta Jose	Chief Strategy Officer	Convert	60,000	—	—	77,875
2026-03-02	PRESBY J THOMAS	Director	Sell	459	$29.89	$13,720	62,614
2026-03-02	PRESBY J THOMAS	Director	Convert	10,000	—	—	0
2026-03-02	PRESBY J THOMAS	Director	Convert	10,000	$9.76	$97,600	72,614
2026-03-02	PRESBY J THOMAS	Director	Sell	9,541	$28.82	$274,972	63,073
2026-03-02	Afsari Nasym	General Counsel and Secretary	Sell	200	$30.00	$6,000	204,878
2026-01-19	Laws James	Chief Operating Officer	Other	0	—	—	0
2026-01-01	Colman Vincent	Director	Award	4,430	—	—	12,426
2026-01-01	PRESBY J THOMAS	Director	Award	4,430	—	—	62,614
2026-01-01	Field Janet Risi	Director	Award	4,430	—	—	28,288
2026-01-01	PERLMAN RICHARD E	Director	Award	4,430	—	—	693,077
2026-01-01	Fernandez de Castro Jose Miguel	Director	Award	4,430	—	—	162,892
2026-01-01	GRAHAM PETER	Director	Award	4,430	—	—	226,689
2026-01-01	PRICE JAMES K	Director	Award	4,430	—	—	1,075,266
2026-01-01	Newmark Robin	Director	Award	4,430	—	—	29,989
2025-12-16	Dicks Allan	Chief Financial Officer	Tax	60,813	$26.40	$1,605,463	211,643
2025-12-16	Revuelta Jose	Chief Strategy Officer	Tax	46,216	$26.40	$1,220,102	269,282
2025-12-16	Afsari Nasym	General Counsel and Secretary	Tax	60,813	$26.40	$1,605,463	205,078
2025-12-16	Manthripragada Vijay	Director, President & CEO	Tax	152,886	$26.40	$4,036,190	163,751
2025-11-11	Manthripragada Vijay	Director, President & CEO	Convert	44,984	—	—	119,158
2025-11-11	Manthripragada Vijay	Director, President & CEO	Sell	44,984	$24.07	$1,082,900	316,637
2025-11-11	Manthripragada Vijay	Director, President & CEO	Convert	44,984	$6.03	$271,254	361,621
2025-11-10	Manthripragada Vijay	Director, President & CEO	Convert	44,983	—	—	164,142
2025-11-10	Manthripragada Vijay	Director, President & CEO	Convert	44,983	$6.03	$271,247	361,620
2025-11-10	Manthripragada Vijay	Director, President & CEO	Sell	112	$26.17	$2,931	316,637
2025-11-10	Manthripragada Vijay	Director, President & CEO	Sell	39,799	$24.63	$980,090	321,821
2025-11-10	Manthripragada Vijay	Director, President & CEO	Sell	5,072	$25.62	$129,929	316,749

Showing 1–50 of 390 transactions