Enviri Corporation (NVRI) has 19 known insider and institutional holders on record. The largest holder is GRASBERGER F NICHOLAS III with 1,558,965 shares. Other notable holders include Hochman Russell C. and Vadaketh Tom George.
Over the last 12 months, insiders have made 62 transactions in NVRI stock — 8 buys (valued at RSU Award) and 1 sells (valued at $176.2K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
NVRI Insider Ownership
Top Holder
GRASBERGER F NICHOLAS III
1,558,965 shares
Buys (12 mo)
8
$0.00 value
Sells (12 mo)
1
$176.2K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Grasberger F Nicholas Iii |
Chairman and CEO |
1,558,965 |
2026-03-16 |
|
| 2 |
Hochman Russell C. |
President & COO |
221,848 |
2026-03-16 |
|
| 3 |
Vadaketh Tom George |
SVP and CFO |
165,805 |
2026-03-13 |
|
| 4 |
Beswick Jeffrey A |
SVP & Grp. Pres., Clean Earth |
46,821 |
2026-03-13 |
|
| 5 |
Kozak Jennifer Ott |
Senior Vice President & Chro |
27,554 |
2026-03-13 |
|
| 6 |
Lada Gary Raymond |
SVP and President-harsco Rail |
21,342 |
2025-06-10 |
|
| 7 |
Reitemeier Christophe |
President-harsco Environmental |
19,993 |
2026-03-13 |
|
| 8 |
Purvis Edgar M Jr |
Director |
18,309 |
2025-05-08 |
|
| 9 |
O'mara Rebecca Martinez |
Director |
18,309 |
2025-05-08 |
|
| 10 |
Earl James F |
Director |
18,309 |
2025-05-08 |
|
| 11 |
Haznedar Carolann I |
Director |
18,309 |
2025-05-08 |
|
| 12 |
Quinn John S |
Director |
18,309 |
2025-05-08 |
|
| 13 |
Fanandakis Nicholas C |
Director |
18,309 |
2025-05-08 |
|
| 14 |
Laurion Timothy M |
Director |
18,309 |
2025-05-08 |
|
| 15 |
Heuschmid Claus |
President, Harsco Rail |
16,648 |
2025-03-13 |
|
| 16 |
Fenice Samuel C. |
VP & Corporate Controller |
16,231 |
2026-03-13 |
|
| 17 |
Romaninsky Samuel Darden |
VP, General Counsel & Cco |
16,195 |
2026-03-13 |
|
| 18 |
Everitt David C |
Director |
16,025 |
2024-05-10 |
|
| 19 |
Widman Phillip |
Director |
16,025 |
2024-05-10 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-09 |
Hochman Russell C. |
President & COO |
Tax Withholding of RSU |
7,338 |
$17.95 |
$131.72K |
| 2026-03-16 |
Grasberger F Nicholas Iii |
Chairman and CEO |
Gift (Given) |
50,000 |
- |
- |
| 2026-03-13 |
Grasberger F Nicholas Iii |
Chairman and CEO |
Option Exercise (Sell) |
281,570 |
$7.00 |
$1.97M |
| 2026-03-12 |
Grasberger F Nicholas Iii |
Chairman and CEO |
Gift (Given) |
63,787 |
- |
- |
| 2026-03-11 |
Romaninsky Samuel Darden |
VP, General Counsel & Cco |
Option Exercise (Sell) |
4,018 |
- |
- |
| 2026-03-11 |
Reitemeier Christophe |
President-harsco Environmental |
Option Exercise (Sell) |
4,203 |
- |
- |
| 2026-03-11 |
Beswick Jeffrey A |
SVP & Grp. Pres., Clean Earth |
Option Exercise (Sell) |
8,367 |
- |
- |
| 2026-03-11 |
Kozak Jennifer Ott |
Senior Vice President & Chro |
Option Exercise (Sell) |
7,222 |
- |
- |
| 2026-03-11 |
Fenice Samuel C. |
VP & Corporate Controller |
Option Exercise (Sell) |
4,254 |
- |
- |
| 2026-03-11 |
Vadaketh Tom George |
SVP and CFO |
Option Exercise (Sell) |
21,172 |
- |
- |
| 2026-03-11 |
Hochman Russell C. |
President & COO |
Option Exercise (Sell) |
11,780 |
- |
- |
| 2026-03-11 |
Grasberger F Nicholas Iii |
Chairman and CEO |
Option Exercise (Sell) |
36,077 |
- |
- |
| 2026-03-07 |
Romaninsky Samuel Darden |
VP, General Counsel & Cco |
Option Exercise (Sell) |
2,466 |
- |
- |
| 2026-03-07 |
Reitemeier Christophe |
President-harsco Environmental |
Option Exercise (Sell) |
2,498 |
- |
- |
| 2026-03-07 |
Kozak Jennifer Ott |
Senior Vice President & Chro |
Option Exercise (Sell) |
7,644 |
- |
- |
| 2026-03-07 |
Fenice Samuel C. |
VP & Corporate Controller |
Option Exercise (Sell) |
3,771 |
- |
- |
| 2026-03-09 |
Hochman Russell C. |
President & COO |
Option Exercise (Sell) |
25,955 |
$7.00 |
$181.69K |
| 2026-03-07 |
Hochman Russell C. |
President & COO |
Option Exercise (Sell) |
12,349 |
- |
- |
| 2026-03-07 |
Grasberger F Nicholas Iii |
Chairman and CEO |
Option Exercise (Sell) |
39,709 |
- |
- |
| 2026-03-04 |
Romaninsky Samuel Darden |
VP, General Counsel & Cco |
Option Exercise (Sell) |
5,655 |
- |
- |
| 2026-03-04 |
Reitemeier Christophe |
President-harsco Environmental |
Option Exercise (Sell) |
7,894 |
- |
- |
| 2026-03-04 |
Beswick Jeffrey A |
SVP & Grp. Pres., Clean Earth |
Option Exercise (Sell) |
14,336 |
- |
- |
| 2026-03-04 |
Kozak Jennifer Ott |
Senior Vice President & Chro |
Option Exercise (Sell) |
10,165 |
- |
- |
| 2026-03-04 |
Fenice Samuel C. |
VP & Corporate Controller |
Option Exercise (Sell) |
5,987 |
- |
- |
| 2026-03-04 |
Vadaketh Tom George |
SVP and CFO |
Option Exercise (Sell) |
29,943 |
- |
- |
