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Perma-Fix Environmental Services, Inc. (PESI)

Perma-Fix Environmental Services, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Perma-Fix Environmental Services, Inc. (PESI) is a Waste Management company based in US with a market capitalization of $183.9M. Revenue grew 4.3% year-over-year and free cash flow was negative at -$15.5M. This page tracks PESI's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 293 employees · IPO Dec 8, 1992

Valuation

Valuation & price

$9.74 · as of May 17, 2026 · -38.2% vs 52w high

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P/E ratio

Latest-FY diluted EPS

3.67

P/B ratio

Market cap ÷ book equity

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Dividend yield

Price — last 12 months

$15.75$11.97$8.19Jul 25Dec 25Jul 26Jul 7, 25$11.27Jul 9, 25$11.22Jul 11, 25$11.40Jul 15, 25$11.32Jul 17, 25$11.73Jul 21, 25$11.70Jul 23, 25$12.23Jul 25, 25$12.33Jul 29, 25$12.05Jul 31, 25$11.52Aug 4, 25$11.40Aug 6, 25$11.13Aug 11, 25$11.68Aug 13, 25$11.93Aug 15, 25$11.63Aug 19, 25$11.42Aug 21, 25$11.67Aug 25, 25$11.81Aug 27, 25$11.96Aug 29, 25$11.89Sep 3, 25$11.45Sep 5, 25$12.05Sep 9, 25$10.03Sep 11, 25$8.19Sep 16, 25$8.47Sep 18, 25$9.56Sep 22, 25$9.81Sep 24, 25$9.61Sep 26, 25$9.93Sep 30, 25$10.10Oct 2, 25$9.70Oct 6, 25$10.10Oct 8, 25$10.01Oct 10, 25$10.55Oct 14, 25$11.10Oct 16, 25$12.57Oct 21, 25$14.11Oct 23, 25$13.98Oct 27, 25$13.67Oct 29, 25$14.28Oct 31, 25$13.69Nov 4, 25$12.97Nov 6, 25$12.72Nov 10, 25$14.96Nov 12, 25$13.81Nov 14, 25$12.52Nov 18, 25$11.93Nov 20, 25$11.25Nov 25, 25$12.28Nov 28, 25$12.27Dec 2, 25$12.25Dec 4, 25$13.87Dec 8, 25$14.18Dec 10, 25$14.26Dec 12, 25$14.09Dec 16, 25$13.62Dec 18, 25$13.24Dec 22, 25$12.97Dec 24, 25$12.67Dec 29, 25$12.84Jan 2, 26$12.25Jan 6, 26$13.34Jan 8, 26$14.08Jan 12, 26$14.68Jan 14, 26$14.47Jan 16, 26$14.82Jan 21, 26$14.53Jan 23, 26$14.68Jan 27, 26$15.33Jan 29, 26$15.40Feb 2, 26$15.75Feb 4, 26$15.13Feb 9, 26$15.67Feb 11, 26$15.65Feb 13, 26$14.84Feb 18, 26$14.09Feb 20, 26$13.42Feb 24, 26$13.00Feb 26, 26$14.11Mar 2, 26$14.57Mar 4, 26$14.05Mar 6, 26$13.29Mar 10, 26$13.34Mar 12, 26$12.80Mar 17, 26$12.84Mar 19, 26$12.23Mar 23, 26$12.05Mar 25, 26$11.11Mar 27, 26$10.65Mar 31, 26$10.69Apr 2, 26$11.45Apr 7, 26$11.56Apr 9, 26$11.99Apr 13, 26$12.14Apr 15, 26$12.19Apr 17, 26$12.90Apr 22, 26$12.72Apr 24, 26$12.69Apr 28, 26$12.69Apr 30, 26$12.66May 4, 26$12.69May 6, 26$11.78May 8, 26$11.00May 12, 26$10.97May 14, 26$9.15May 18, 26$9.35May 20, 26$8.90May 22, 26$8.95May 28, 26$10.06Jun 1, 26$9.81Jun 3, 26$9.74Jun 5, 26$9.63Jun 9, 26$9.87Jun 11, 26$9.78Jun 15, 26$10.50Jun 17, 26$10.88Jun 22, 26$10.99Jun 24, 26$10.98Jun 26, 26$12.25Jul 2, 26$13.51
$8.1952-week range$15.76
Loading valuation history…

Fundamentals

Key fundamentals

$183.9M

Market cap

4.3%

Revenue growth (YoY)

9.6%

Gross margin

-$15.5M

Free cash flow (USD)

-$7.4M

Net debt

Net cash position

22.5%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Industrials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$51.2MFY 2017$49.8MFY 2018$49.5MFY 2019$73.5MFY 2020$105.4MFY 2021$72.2MFY 2022$70.6MFY 2023$89.7MFY 2024$59.1MFY 2025$61.7M
$51.2M$61.7M

Free cash flow by year

2016 → 2025

FY 2016$-332.0KFY 2017$3.0KFY 2018$528.0KFY 2019$-6.2MFY 2020$5.7MFY 2021$-8.4MFY 2022$-1.6MFY 2023$4.4MFY 2024$-18.8MFY 2025$-15.5M
-$332K-$15.5M

Gross margin by year

2021 → 2025

FY 20219.4%FY 202213.6%FY 202318.2%FY 20240.0%FY 20259.6%
9.4%9.6%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventPublic Offering AgreementMay 18, 2026Filing
  • 8-K eventEarnings ReleaseMay 11, 2026Filing
  • Quarterly report10-Q FiledMay 7, 2026Filing
  • 8-K eventInvestor Presentation ScheduledApr 8, 2026Filing

Questions

Frequently asked questions

What is Perma-Fix Environmental Services, Inc.'s market cap?

Perma-Fix Environmental Services, Inc. (PESI) has a market capitalization of $183.9M.

What is PESI's P/E ratio?

A meaningful P/E ratio is not available for PESI — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is PESI's price-to-book (P/B) ratio?

PESI trades at 3.67 times book value per share.

Are insiders buying PESI stock?

SEC Form 4 filings show no open-market insider buys at Perma-Fix Environmental Services, Inc. in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.