PESINasdaq

PERMA FIX ENVIRONMENTAL SERVICES INC

Alert me on PESI

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Sep 16, 2025 Sale Duggan Kerry C Insider

1 week

+12.0%S&P +0.8%

1 month

+45.0%S&P +1.1%

3 months

+62.7%S&P +3.4%

6 months

+43.4%S&P +0.8%

Sep 13, 2025 Buy Duff Mark Insider

1 week

+12.1%S&P +1.2%

1 month

+26.9%S&P +0.5%

3 months

+61.0%S&P +3.4%

6 months

+46.7%S&P +2.1%

Sep 12, 2025 Buy Shelton Larry Insider

1 week

+0.2%S&P +1.2%

1 month

+15.1%S&P +1.1%

3 months

+59.5%S&P +5.1%

6 months

+43.4%S&P +2.3%

Sep 10, 2025 Buy Shelton Larry Insider

1 week

−18.6%S&P +1.1%

1 month

+4.5%S&P +3.2%

3 months

+42.8%S&P +5.0%

6 months

+27.2%S&P +2.7%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for PESI

62 held · newest 562 held · newest 2

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See all 62 filings for PESI

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Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Oct 27, 2026 Schedule 13G, amended

HOLD Alapkezelo Zrt.: 15.2%, 3,216,097 shares

Aug 24, 2026 Schedule 13G, amended

MAK CAPITAL ONE LLC: 4.8%, 1,016,047 shares

Aug 25, 2026 Schedule 13G, amended

HOLD Alapkezelo Zrt.: 10.6%, 2,249,986 shares

Jul 31, 2026 Schedule 13G, amended

MAK Capital Fund LP: 5.5%, 1,161,372 shares

Jul 31, 2026 Schedule 13G

MAK Capital Fund LP: 5.5%, 1,161,372 shares

Mar 31, 2026 Schedule 13G

HOLD Alapkezelo Zrt.: 5.1%, 944,312 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Sep 30, 2025 Schedule 13G

The Vanguard Group: 5.1%, 935,942 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$40KQ4 2025

$50KQ1 2026

$50KQ2 2026

NoneQ3 2026

Nothing on file for Q3 2026.

Read from LDA.gov on Sep 23, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.