Montrose Environmental Group, Inc. (MEG) has 20 known insider and institutional holders on record. The largest holder is DONDERO JAMES D with 3,776,559 shares. Other notable holders include Standard General L.P. and PRICE JAMES K.
Over the last 12 months, insiders have made 28 transactions in MEG stock — 11 buys (valued at $229.71K) and 3 sells (valued at $2.86M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
MEG Insider Ownership
Top Holder
DONDERO JAMES D
3,776,559 shares
Buys (12 mo)
11
$229.71K value
Sells (12 mo)
3
$2.86M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Dondero James D |
10 Percent Owner |
3,776,559 |
2013-11-27 |
|
| 2 |
Standard General L.p. |
Director |
3,572,050 |
2017-01-05 |
|
| 3 |
Price James K |
Director |
1,075,266 |
2026-01-06 |
|
| 4 |
Harbinger Capital Partners Special Situations Fund, L.p. |
10 Percent Owner, Other: See Remarks |
999,037 |
2008-11-20 |
|
| 5 |
Sadusky Vincent L |
President and CEO |
841,459 |
2016-09-15 |
|
| 6 |
Perlman Richard E |
Director |
618,616 |
2026-03-16 |
|
| 7 |
Harbinger Capital Partners Master Fund I, Ltd. |
10 Percent Owner, Other: See Remarks |
293,988 |
2008-12-09 |
|
| 8 |
Revuelta Jose |
Chief Strategy Officer |
269,282 |
2026-03-11 |
|
| 9 |
Graham Peter |
Director |
226,689 |
2026-01-06 |
|
| 10 |
Dicks Allan |
Chief Financial Officer |
211,643 |
2025-12-19 |
|
| 11 |
Afsari Nasym |
General Counsel and Secretary |
204,878 |
2026-03-04 |
|
| 12 |
Manthripragada Vijay |
President & CEO |
163,751 |
2025-12-19 |
|
| 13 |
Fernandez De Castro Jose Miguel |
Director |
162,892 |
2026-01-06 |
|
| 14 |
Fitzsimons Dennis J |
Director |
71,277 |
2017-01-04 |
|
| 15 |
Presby J Thomas |
Director |
62,614 |
2026-01-06 |
|
| 16 |
Lemaire Joshua W. |
Chief Operating Officer |
35,503 |
2022-03-03 |
|
| 17 |
Woodward James F |
Senior VP and CFO |
32,014 |
2016-03-03 |
|
| 18 |
Newmark Robin |
Director |
29,989 |
2026-01-06 |
|
| 19 |
Field Janet Risi |
Director |
28,288 |
2026-01-06 |
|
| 20 |
Sullivan Thomas J |
Director |
26,913 |
2017-01-04 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-13 |
Manthripragada Vijay |
President & CEO |
Option Exercise (Sell) |
85,992 |
$6.03 |
$518.53K |
| 2026-03-13 |
Perlman Richard E |
Director |
Gift (Given) |
74,461 |
- |
- |
| 2026-03-11 |
Laws James |
Chief Operating Officer |
RSU Award |
18,761 |
- |
- |
| 2026-01-19 |
Laws James |
Officer |
Unknown |
- |
- |
- |
| 2026-03-09 |
Revuelta Jose |
Chief Strategy Officer |
Option Exercise (Sell) |
7,858 |
$6.03 |
$47.38K |
| 2026-03-04 |
Revuelta Jose |
Chief Strategy Officer |
Informative Sell |
42,668 |
$27.56 |
$1.18M |
| 2026-03-03 |
Revuelta Jose |
Chief Strategy Officer |
Informative Sell |
60,000 |
$28.00 |
$1.68M |
| 2026-03-04 |
Revuelta Jose |
Chief Strategy Officer |
Option Exercise (Sell) |
42,668 |
$6.03 |
$257.29K |
| 2026-03-03 |
Revuelta Jose |
Chief Strategy Officer |
Option Exercise (Sell) |
60,000 |
$6.03 |
$361.8K |
| 2026-03-03 |
Afsari Nasym |
General Counsel and Secretary |
Option Exercise (Sell) |
43,348 |
$6.03 |
$261.39K |
| 2026-03-02 |
Afsari Nasym |
General Counsel and Secretary |
Informative Sell |
200 |
$30.00 |
$6K |
| 2026-03-02 |
Presby J Thomas |
Director |
Option Exercise (Sell) |
10,000 |
$9.76 |
$97.6K |
| 2026-01-01 |
Colman Vincent |
Director |
RSU Award |
4,430 |
- |
- |
| 2026-01-01 |
Newmark Robin |
Director |
RSU Award |
4,430 |
- |
- |
| 2026-01-01 |
Field Janet Risi |
Director |
RSU Award |
4,430 |
- |
- |
| 2026-01-01 |
Fernandez De Castro Jose Miguel |
Director |
RSU Award |
4,430 |
- |
- |
| 2026-01-01 |
Presby J Thomas |
Director |
RSU Award |
4,430 |
- |
- |
| 2026-01-01 |
Perlman Richard E |
Director |
RSU Award |
4,430 |
- |
- |
| 2026-01-01 |
Graham Peter |
Director |
RSU Award |
4,430 |
- |
- |
| 2026-01-01 |
Price James K |
Director |
RSU Award |
4,430 |
- |
- |
| 2025-12-16 |
Manthripragada Vijay |
President & CEO |
Tax Withholding of RSU |
152,886 |
$26.40 |
$4.04M |
| 2025-12-16 |
Afsari Nasym |
General Counsel and Secretary |
Tax Withholding of RSU |
60,813 |
$26.40 |
$1.61M |
| 2025-12-16 |
Dicks Allan |
Chief Financial Officer |
Tax Withholding of RSU |
60,813 |
$26.40 |
$1.61M |
| 2025-12-16 |
Revuelta Jose |
Chief Strategy Officer |
Tax Withholding of RSU |
46,216 |
$26.40 |
$1.22M |
| 2025-11-11 |
Manthripragada Vijay |
President & CEO |
Option Exercise (Sell) |
44,984 |
$6.03 |
$271.25K |
