Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 15 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 18, 2019 PESI A 442 $3.34 $1,476 34,711 Direct +1.29% Acquired 365.9% (price as of 2026-10-02)
Oct. 1, 2019 PESI A 2,643 $3.40 $8,986 34,269 Direct +8.36% Acquired 357.6% (price as of 2026-10-02)
July 25, 2019 PESI A 2,400 $3.31 $7,944 2,400 Direct · Acquired 370.1% (price as of 2026-10-02)
July 1, 2019 PESI A 3,069 $2.93 $8,992 31,626 Direct +10.75% Acquired 431.1% (price as of 2026-10-02)
April 1, 2019 PESI A 3,799 $2.63 $9,991 28,557 Direct +15.34% Acquired 491.6% (price as of 2026-10-02)
Jan. 2, 2019 PESI A 5,106 $1.76 $8,987 24,758 Direct +25.98% Acquired 784.1% (price as of 2026-10-02)
Oct. 1, 2018 PESI A 2,857 $3.15 $9,000 19,652 Direct +17.01% Acquired 394.0% (price as of 2026-10-02)
July 26, 2018 PESI A 2,400 · · 2,400 Direct · Acquired (price as of 2026-10-02)
July 2, 2018 PESI A 2,667 $3.38 $9,014 16,795 Direct +18.88% Acquired 360.4% (price as of 2026-10-02)
April 2, 2018 PESI A 2,892 $3.11 $8,994 14,128 Direct +25.74% Acquired 400.3% (price as of 2026-10-02)
Jan. 2, 2018 PESI A 3,288 $2.74 $9,009 11,236 Direct +41.37% Acquired 467.9% (price as of 2026-10-02)
Oct. 2, 2017 PESI A 3,509 $2.85 $10,001 7,948 Direct +79.05% Acquired 446.0% (price as of 2026-10-02)
July 27, 2017 PESI A 2,400 $3.55 $8,520 2,400 Direct · Acquired 338.3% (price as of 2026-10-02)
July 3, 2017 PESI A 2,256 $2.74 $6,181 4,439 Direct +103.34% Acquired 467.9% (price as of 2026-10-02)
April 3, 2017 PESI A 2,183 $2.36 $5,152 2,183 Direct · Acquired 559.3% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
July 25, 2019 PESI Stock Option Common Stock (2,400) $3.31 July 25, 2029 2,400 Acquired
July 26, 2018 PESI Stock Option Common Stock (2,400) $4.30 July 26, 2028 2,400 Acquired
July 27, 2017 PESI Stock Option Common Stock (2,400) $3.55 July 27, 2027 2,400 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).