PESI
Perma-Fix Envir (PESI)
NASDAQ
$11.09$0.00 (0.00%)
Price as of Jun 23, 2026 4:10 PM EDT
  • $233.0M
    Market Cap
  • 8.38%
    1-Year Change
  • Waste Management
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
5.52%
1.2M
-27,682 (-2.37%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
4.86%
1.0M
+22,818 (+2.22%)
Dec 31, 2024
VANGUARD GROUP INC
4.57%
968,107
+32,165 (+3.32%)
Dec 31, 2025
MAK CAPITAL ONE LLC
4.33%
918,673
0 (0.00%)
Mar 31, 2026
BLACKROCK INC.
4.02%
853,163
+577,957 (+67.74%)
Jun 30, 2024
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.
3.67%
777,142
0 (0.00%)
Mar 31, 2026
N/A
3.58%
759,435
+759,435 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions91.7M (75.42%)
  • Mutual Funds27.0M (22.25%)
  • Insiders2.8M (2.32%)
  • Other0 (0.00%)

Insider Transactions

  • 2.32% (2.8M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $2.7M
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $16,968.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Duggan Kerry C
Award
Apr 01, 2026
$8,450.44
1,054
$8.02
6,821
Grumski Joseph Timothy
Award
Apr 01, 2026
$16,876.84
2,105
$8.02
66,133
Shelton Larry
Award
Apr 01, 2026
$14,623.92
1,824
$8.02
195,218
Wamp Zach Paul
Award
Apr 01, 2026
$8,771.15
1,094
$8.02
52,624
REEDER JOE
Award
Apr 01, 2026
$15,121.00
1,886
$8.02
237,887
Bostick Thomas
Award
Apr 01, 2026
$12,499.28
1,559
$8.02
49,397
Grondin Richard
EVP of Hanford & Int. Waste Op
Exempt
Jan 20, 2026
$0.00
5,000
$0.00
5,000
Grondin Richard
EVP of Hanford & Int. Waste Op
Exempt
Jan 20, 2026
$0.00
6,000
$0.00
12,000
Grondin Richard
EVP of Hanford & Int. Waste Op
Exempt
Jan 20, 2026
$35,025.00
5,000
$7.00
39,592
Grondin Richard
EVP of Hanford & Int. Waste Op
In Kind
Jan 20, 2026
$35,029.05
2,555
$13.71
37,037
Grondin Richard
EVP of Hanford & Int. Waste Op
Exempt
Jan 20, 2026
$23,700.00
6,000
$3.95
43,037
Grondin Richard
EVP of Hanford & Int. Waste Op
In Kind
Jan 20, 2026
$23,704.59
1,729
$13.71
41,308
REEDER JOE
Award
Jan 02, 2026
$14,626.43
1,549
$9.44
236,001
Duggan Kerry C
Award
Jan 02, 2026
$8,772.08
929
$9.44
5,767
Shelton Larry
Award
Jan 02, 2026
$14,947.48
1,583
$9.44
193,394
Wamp Zach Paul
Award
Jan 02, 2026
$9,102.57
964
$9.44
51,530
Grumski Joseph Timothy
Award
Jan 02, 2026
$17,374.20
1,840
$9.44
64,028
Bostick Thomas
Award
Jan 02, 2026
$12,501.87
1,324
$9.44
47,838
REEDER JOE
Gift
Dec 15, 2025
$0.00
11,048
$0.00
237,360
REEDER JOE
Gift
Dec 15, 2025
$0.00
1,090
$0.00
236,270
REEDER JOE
Gift
Dec 15, 2025
$0.00
727
$0.00
235,543
REEDER JOE
Gift
Dec 15, 2025
$0.00
727
$0.00
234,816
REEDER JOE
Gift
Dec 15, 2025
$0.00
364
$0.00
234,452
CENTOFANTI LOUIS F
EVP of Strategic Initiatives
Gift
Nov 17, 2025
$0.00
600
$0.00
218,165
CENTOFANTI LOUIS F
EVP of Strategic Initiatives
Gift
Nov 17, 2025
$0.00
600
$0.00
217,565
Bostick Thomas
Award
Oct 01, 2025
$12,998.70
1,716
$7.58
46,514
Duggan Kerry C
Sell
Sep 16, 2025
$48,616.37
5,653
$8.60
3,680
Shelton Larry
Buy
Sep 11, 2025
$8,575.20
1,000
$8.58
189,880
Duff Mark
President and CEO
Buy
Sep 11, 2025
$7,220.85
897
$8.05
134,556
Shelton Larry
Exempt
Sep 02, 2025
$0.00
2,400
$0.00
0