Mark Duff
Insider
First SEC filing: July 6, 2016 · Latest: July 6, 2016
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 11, 2025 | PESI | P | 897 | $8.05 | $7,221 | 134,556 Direct | +0.67% | Acquired | 50.7% (price as of ) |
| March 21, 2025 | PESI | P | 750 | $7.02 | $5,265 | 132,359 Direct | +0.57% | Acquired | 72.8% (price as of ) |
| March 21, 2025 | PESI | P | 650 | $7.03 | $4,570 | 133,009 Direct | +0.49% | Acquired | 72.5% (price as of ) |
| March 21, 2025 | PESI | P | 650 | $7.05 | $4,582 | 133,659 Direct | +0.49% | Acquired | 72.1% (price as of ) |
| March 18, 2025 | PESI | P | 500 | $7.10 | $3,550 | 131,109 Direct | +0.38% | Acquired | 70.8% (price as of ) |
| March 18, 2025 | PESI | P | 500 | $7.20 | $3,600 | 131,609 Direct | +0.38% | Acquired | 68.5% (price as of ) |
| Jan. 8, 2025 | PESI | M | 25,000 | $3.15 | $78,750 | 138,052 Direct | +22.11% | Acquired | 285.1% (price as of ) |
| Jan. 8, 2025 | PESI | F | 7,443 | $10.58 | $78,747 | 130,609 Direct | -5.39% | Disposed | 14.7% (price as of ) |
| Jan. 8, 2025 | PESI | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | |
| Sept. 4, 2024 | PESI | P | 500 | $9.91 | $4,955 | 112,702 Direct | +0.45% | Acquired | 22.4% (price as of ) |
| Sept. 4, 2024 | PESI | P | 350 | $9.95 | $3,482 | 113,052 Direct | +0.31% | Acquired | 21.9% (price as of ) |
| Sept. 3, 2024 | PESI | P | 500 | $10.48 | $5,240 | 111,452 Direct | +0.45% | Acquired | 15.7% (price as of ) |
| Sept. 3, 2024 | PESI | P | 750 | $10.07 | $7,552 | 112,202 Direct | +0.67% | Acquired | 20.5% (price as of ) |
| Dec. 1, 2023 | PESI | P | 750 | $7.07 | $5,302 | 108,702 Direct | +0.69% | Acquired | 71.6% (price as of ) |
| Dec. 1, 2023 | PESI | P | 750 | $7.27 | $5,452 | 109,452 Direct | +0.69% | Acquired | 66.9% (price as of ) |
| Dec. 1, 2023 | PESI | P | 750 | $7.28 | $5,460 | 110,202 Direct | +0.69% | Acquired | 66.6% (price as of ) |
| Dec. 1, 2023 | PESI | P | 750 | $7.00 | $5,250 | 110,952 Direct | +0.68% | Acquired | 73.3% (price as of ) |
| May 22, 2023 | PESI | M | 100,000 | $3.65 | $365,000 | 140,984 Direct | +244.00% | Acquired | 232.3% (price as of ) |
| May 22, 2023 | PESI | F | 33,032 | $11.05 | $365,004 | 107,952 Direct | -23.43% | Disposed | 9.8% (price as of ) |
| May 22, 2023 | PESI | M | 100,000 | · | · | 0 Direct | -100.00% | Disposed | |
| Jan. 19, 2023 | PESI | A | 70,000 | · | · | 70,000 Direct | · | Acquired | |
| Nov. 22, 2022 | PESI | P | 1,000 | $3.89 | $3,890 | 40,984 Direct | +2.50% | Acquired | 211.8% (price as of ) |
| Sept. 7, 2022 | PESI | P | 500 | $4.76 | $2,380 | 38,984 Direct | +1.30% | Acquired | 154.8% (price as of ) |
| Sept. 7, 2022 | PESI | P | 1,000 | $4.75 | $4,750 | 39,984 Direct | +2.57% | Acquired | 155.4% (price as of ) |
| May 12, 2022 | PESI | P | 922 | $5.60 | $5,163 | 37,484 Direct | +2.52% | Acquired | 116.6% (price as of ) |
| May 12, 2022 | PESI | P | 1,000 | $5.50 | $5,500 | 38,484 Direct | +2.67% | Acquired | 120.5% (price as of ) |
| May 11, 2022 | PESI | P | 78 | $5.60 | $437 | 36,562 Direct | +0.21% | Acquired | 116.6% (price as of ) |
| May 9, 2022 | PESI | M | 50,000 | $3.97 | $198,500 | 69,958 Direct | +250.53% | Acquired | 205.5% (price as of ) |
| May 9, 2022 | PESI | F | 33,474 | $5.93 | $198,501 | 36,484 Direct | -47.85% | Disposed | 104.6% (price as of ) |
| May 9, 2022 | PESI | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 20, 2021 | PESI | P | 600 | $6.50 | $3,900 | 19,958 Direct | +3.10% | Acquired | 86.6% (price as of ) |
| Dec. 17, 2021 | PESI | P | 1,000 | $6.57 | $6,570 | 19,321 Direct | +5.46% | Acquired | 84.6% (price as of ) |
| Dec. 17, 2021 | PESI | P | 37 | $6.52 | $241 | 19,358 Direct | +0.19% | Acquired | 86.0% (price as of ) |
| Oct. 14, 2021 | PESI | A | 50,000 | · | · | 50,000 Direct | · | Acquired | |
| Dec. 29, 2020 | PESI | P | 500 | $5.85 | $2,925 | 18,321 Direct | +2.81% | Acquired | 107.4% (price as of ) |
| Nov. 9, 2020 | PESI | P | 500 | $6.20 | $3,100 | 17,821 Direct | +2.89% | Acquired | 95.6% (price as of ) |
| Aug. 12, 2020 | PESI | P | 20 | $6.85 | $137 | 17,321 Direct | +0.12% | Acquired | 77.1% (price as of ) |
| Aug. 11, 2020 | PESI | P | 500 | $7.11 | $3,555 | 16,051 Direct | +3.22% | Acquired | 70.6% (price as of ) |
| Aug. 11, 2020 | PESI | P | 750 | $6.99 | $5,242 | 16,801 Direct | +4.67% | Acquired | 73.5% (price as of ) |
| Aug. 11, 2020 | PESI | P | 500 | $6.92 | $3,460 | 17,301 Direct | +2.98% | Acquired | 75.3% (price as of ) |
| March 30, 2020 | PESI | P | 500 | $5.10 | $2,550 | 15,551 Direct | +3.32% | Acquired | 137.8% (price as of ) |
| March 23, 2020 | PESI | P | 1,000 | $4.15 | $4,150 | 14,551 Direct | +7.38% | Acquired | 192.3% (price as of ) |
| March 23, 2020 | PESI | P | 500 | $4.05 | $2,025 | 15,051 Direct | +3.44% | Acquired | 199.5% (price as of ) |
| Aug. 14, 2019 | PESI | P | 1,000 | $3.80 | $3,800 | 12,551 Direct | +8.66% | Acquired | 219.2% (price as of ) |
| Aug. 14, 2019 | PESI | P | 1,000 | $3.75 | $3,750 | 13,551 Direct | +7.97% | Acquired | 223.5% (price as of ) |
| May 15, 2019 | PESI | P | 500 | $3.70 | $1,850 | 11,551 Direct | +4.52% | Acquired | 227.8% (price as of ) |
| May 14, 2019 | PESI | P | 500 | $3.80 | $1,900 | 11,051 Direct | +4.74% | Acquired | 219.2% (price as of ) |
| May 13, 2019 | PESI | P | 500 | $3.90 | $1,950 | 10,551 Direct | +4.97% | Acquired | 211.0% (price as of ) |
| Jan. 17, 2019 | PESI | A | 25,000 | · | · | 25,000 Direct | · | Acquired | |
| Dec. 28, 2018 | PESI | P | 500 | $2.25 | $1,125 | 9,501 Direct | +5.55% | Acquired | 439.1% (price as of ) |
| Dec. 28, 2018 | PESI | P | 100 | $2.20 | $220 | 9,601 Direct | +1.05% | Acquired | 451.4% (price as of ) |
| Dec. 28, 2018 | PESI | P | 450 | $2.51 | $1,130 | 10,051 Direct | +4.69% | Acquired | 383.3% (price as of ) |
| Dec. 17, 2018 | PESI | P | 700 | $2.95 | $2,065 | 9,001 Direct | +8.43% | Acquired | 311.2% (price as of ) |
| Dec. 14, 2018 | PESI | P | 1 | $2.63 | $3 | 8,301 Direct | +0.01% | Acquired | 361.2% (price as of ) |
| Nov. 9, 2018 | PESI | P | 700 | $3.35 | $2,345 | 6,700 Direct | +11.67% | Acquired | 262.1% (price as of ) |
| Nov. 9, 2018 | PESI | P | 700 | $3.55 | $2,485 | 7,400 Direct | +10.45% | Acquired | 241.7% (price as of ) |
| Nov. 9, 2018 | PESI | P | 900 | $3.45 | $3,105 | 8,300 Direct | +12.16% | Acquired | 251.6% (price as of ) |
| Aug. 15, 2017 | PESI | P | 1,500 | $3.40 | $5,100 | 6,000 Direct | +33.33% | Acquired | 256.8% (price as of ) |
| Aug. 14, 2017 | PESI | P | 1,500 | $3.45 | $5,175 | 4,500 Direct | +50.00% | Acquired | 251.6% (price as of ) |
| July 27, 2017 | PESI | A | 100,000 | · | · | 100,000 Direct | · | Acquired | |
| March 27, 2017 | PESI | P | 3,000 | $3.15 | $9,450 | 3,000 Direct | · | Acquired | 285.1% (price as of ) |
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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 8, 2025 | PESI | Stock Option | Common Stock | $3.15 | Jan. 17, 2025 | 25,000 | Disposed |
| May 22, 2023 | PESI | Stock Option | Common Stock | $3.65 | July 27, 2023 | 100,000 | Disposed |
| Jan. 19, 2023 | PESI | Stock Option | Common Stock | $3.95 | Jan. 19, 2029 | 70,000 | Acquired |
| May 9, 2022 | PESI | Stock Option (right to buy) | Common Stock | $3.97 | May 22, 2022 | 50,000 | Disposed |
| Oct. 14, 2021 | PESI | Stock Option | Common Stock | $7.00 | Oct. 14, 2027 | 50,000 | Acquired |
| Jan. 17, 2019 | PESI | Stock Option | Common Stock | $3.15 | Jan. 17, 2025 | 25,000 | Acquired |
| July 27, 2017 | PESI | Stock Option | Common Stock | $3.65 | July 27, 2023 | 100,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 6, 2016 | PESI | Stock Option | 50,000 | Direct |
Holdings reported on Form 4 70 reported holdings
Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.
| Date | Ticker | Security | Shares | Exercise price | Expiration | Ownership |
|---|---|---|---|---|---|---|
| Jan. 10, 2025 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| Jan. 10, 2025 | PESI | Stock Option | 70,000 | $3.95 | Jan. 19, 2029 | Direct |
| Sept. 5, 2024 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Sept. 5, 2024 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| Sept. 5, 2024 | PESI | Stock Option | 70,000 | $3.95 | Jan. 19, 2029 | Direct |
| Dec. 4, 2023 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Dec. 4, 2023 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| Dec. 4, 2023 | PESI | Stock Option | 70,000 | $3.95 | Jan. 19, 2029 | Direct |
| May 24, 2023 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| May 24, 2023 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| May 24, 2023 | PESI | Stock Option | 70,000 | $3.95 | Jan. 19, 2029 | Direct |
| Jan. 23, 2023 | PESI | Common Stock | 40,984 | · | · | Direct |
| Jan. 23, 2023 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Jan. 23, 2023 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Jan. 23, 2023 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| Nov. 23, 2022 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Nov. 23, 2022 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Nov. 23, 2022 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| Sept. 7, 2022 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Sept. 7, 2022 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Sept. 7, 2022 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| May 13, 2022 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| May 13, 2022 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| May 13, 2022 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| May 11, 2022 | PESI | Stock Option (right to buy) | 100,000 | $3.65 | July 27, 2023 | Direct |
| May 11, 2022 | PESI | Stock Option (right to buy) | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| May 11, 2022 | PESI | Stock Option (right to buy) | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| Dec. 20, 2021 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Dec. 20, 2021 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Dec. 20, 2021 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Dec. 20, 2021 | PESI | Stock Option | 50,000 | $7.00 | Oct. 14, 2027 | Direct |
| Oct. 18, 2021 | PESI | Common Stock | 18,321 | · | · | Direct |
| Oct. 18, 2021 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Oct. 18, 2021 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Oct. 18, 2021 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Dec. 30, 2020 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Dec. 30, 2020 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Dec. 30, 2020 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Nov. 10, 2020 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Nov. 10, 2020 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Nov. 10, 2020 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Aug. 13, 2020 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Aug. 13, 2020 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Aug. 13, 2020 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| March 31, 2020 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| March 31, 2020 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| March 31, 2020 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| March 24, 2020 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| March 24, 2020 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| March 24, 2020 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Aug. 15, 2019 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| Aug. 15, 2019 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Aug. 15, 2019 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| May 15, 2019 | PESI | Stock Option | 25,000 | $3.15 | Jan. 17, 2025 | Direct |
| May 15, 2019 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| May 15, 2019 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Jan. 22, 2019 | PESI | Common Stock | 10,051 | · | · | Direct |
| Jan. 22, 2019 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Jan. 22, 2019 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Dec. 31, 2018 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Dec. 31, 2018 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Dec. 17, 2018 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Dec. 17, 2018 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Nov. 9, 2018 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Nov. 9, 2018 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| Aug. 15, 2017 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| Aug. 15, 2017 | PESI | Stock Option | 100,000 | $3.65 | July 27, 2023 | Direct |
| July 31, 2017 | PESI | Common Stock | 3,000 | · | · | Direct |
| July 31, 2017 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
| March 27, 2017 | PESI | Stock Option | 50,000 | $3.97 | May 15, 2022 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2016 | $136,581 | · | · | $100,094 | · | · | $40,800 | $277,475 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.