Zach Paul Wamp
Insider
First SEC filing: Jan. 29, 2018 · Latest: Jan. 29, 2018
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 1, 2026 | PESI | A | 775 | $11.74 | $9,098 | 54,248 Direct | +1.45% | Acquired | 32.5% (price as of 2026-10-02) |
| July 22, 2026 | PESI | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2026 | PESI | A | 849 | $10.72 | $9,101 | 53,473 Direct | +1.61% | Acquired | 45.1% (price as of 2026-10-02) |
| April 1, 2026 | PESI | A | 1,094 | $8.02 | $8,774 | 52,624 Direct | +2.12% | Acquired | 94.0% (price as of 2026-10-02) |
| Jan. 2, 2026 | PESI | A | 964 | $9.44 | $9,100 | 51,530 Direct | +1.91% | Acquired | 64.8% (price as of 2026-10-02) |
| Oct. 1, 2025 | PESI | A | 1,201 | $7.58 | $9,104 | 50,566 Direct | +2.43% | Acquired | 105.3% (price as of 2026-10-02) |
| July 24, 2025 | PESI | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2025 | PESI | A | 1,153 | $7.89 | $9,097 | 49,365 Direct | +2.39% | Acquired | 97.2% (price as of 2026-10-02) |
| April 1, 2025 | PESI | A | 1,609 | $5.45 | $8,769 | 48,212 Direct | +3.45% | Acquired | 185.5% (price as of 2026-10-02) |
| Jan. 2, 2025 | PESI | A | 1,057 | $8.30 | $8,773 | 46,603 Direct | +2.32% | Acquired | 87.5% (price as of 2026-10-02) |
| Oct. 1, 2024 | PESI | A | 989 | $9.20 | $9,099 | 45,546 Direct | +2.22% | Acquired | 69.1% (price as of 2026-10-02) |
| July 18, 2024 | PESI | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2024 | PESI | A | 1,241 | $7.60 | $9,432 | 44,557 Direct | +2.86% | Acquired | 104.7% (price as of 2026-10-02) |
| April 1, 2024 | PESI | A | 1,020 | $8.92 | $9,098 | 43,316 Direct | +2.41% | Acquired | 74.4% (price as of 2026-10-02) |
| Jan. 2, 2024 | PESI | A | 1,433 | $5.90 | $8,455 | 42,296 Direct | +3.51% | Acquired | 163.7% (price as of 2026-10-02) |
| Oct. 2, 2023 | PESI | A | 1,161 | $7.84 | $9,102 | 40,863 Direct | +2.92% | Acquired | 98.5% (price as of 2026-10-02) |
| July 20, 2023 | PESI | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 3, 2023 | PESI | A | 1,026 | $8.24 | $8,454 | 39,702 Direct | +2.65% | Acquired | 88.8% (price as of 2026-10-02) |
| April 3, 2023 | PESI | A | 956 | $8.84 | $8,451 | 38,676 Direct | +2.53% | Acquired | 76.0% (price as of 2026-10-02) |
| Jan. 3, 2023 | PESI | A | 3,192 | $2.65 | $8,459 | 37,720 Direct | +9.24% | Acquired | 487.2% (price as of 2026-10-02) |
| Oct. 3, 2022 | PESI | A | 2,612 | $3.36 | $8,776 | 34,528 Direct | +8.18% | Acquired | 363.1% (price as of 2026-10-02) |
| July 21, 2022 | PESI | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2022 | PESI | A | 2,254 | $3.89 | $8,768 | 31,916 Direct | +7.60% | Acquired | 300.0% (price as of 2026-10-02) |
| April 1, 2022 | PESI | A | 2,116 | $4.15 | $8,781 | 29,662 Direct | +7.68% | Acquired | 274.9% (price as of 2026-10-02) |
| Jan. 3, 2022 | PESI | A | 1,917 | $4.75 | $9,106 | 27,546 Direct | +7.48% | Acquired | 227.6% (price as of 2026-10-02) |
| Oct. 1, 2021 | PESI | A | 1,825 | $4.99 | $9,107 | 25,629 Direct | +7.67% | Acquired | 211.8% (price as of 2026-10-02) |
| July 20, 2021 | PESI | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2021 | PESI | A | 1,636 | $5.36 | $8,769 | 23,804 Direct | +7.38% | Acquired | 190.3% (price as of 2026-10-02) |
| April 1, 2021 | PESI | A | 1,583 | $5.50 | $8,706 | 22,168 Direct | +7.69% | Acquired | 182.9% (price as of 2026-10-02) |
| Jan. 4, 2021 | PESI | A | 1,307 | $4.48 | $5,855 | 20,585 Direct | +6.78% | Acquired | 247.3% (price as of 2026-10-02) |
| Oct. 1, 2020 | PESI | A | 1,106 | $5.29 | $5,851 | 19,278 Direct | +6.09% | Acquired | 194.1% (price as of 2026-10-02) |
| July 22, 2020 | PESI | A | 2,400 | $6.70 | $16,080 | 2,400 Direct | · | Acquired | 132.2% (price as of 2026-10-02) |
| July 1, 2020 | PESI | A | 1,288 | $4.79 | $6,170 | 18,172 Direct | +7.63% | Acquired | 224.8% (price as of 2026-10-02) |
| April 1, 2020 | PESI | A | 1,497 | $3.91 | $5,853 | 16,884 Direct | +9.73% | Acquired | 298.0% (price as of 2026-10-02) |
| Oct. 1, 2019 | PESI | A | 1,814 | $3.40 | $6,168 | 14,530 Direct | +14.27% | 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 | 2,106 | $2.93 | $6,171 | 12,716 Direct | +19.85% | Acquired | 431.1% (price as of 2026-10-02) |
| April 1, 2019 | PESI | A | 2,346 | $2.63 | $6,170 | 10,610 Direct | +28.39% | Acquired | 491.6% (price as of 2026-10-02) |
| Jan. 2, 2019 | PESI | A | 857 | $6.82 | $5,845 | 15,387 Direct | +5.90% | Acquired | 128.2% (price as of 2026-10-02) |
| Jan. 2, 2019 | PESI | A | 3,319 | $1.76 | $5,841 | 8,264 Direct | +67.12% | Acquired | 784.1% (price as of 2026-10-02) |
| Oct. 1, 2018 | PESI | A | 1,857 | $3.15 | $5,850 | 4,945 Direct | +60.14% | 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 | 1,733 | $3.38 | $5,858 | 3,088 Direct | +127.90% | Acquired | 360.4% (price as of 2026-10-02) |
| April 2, 2018 | PESI | A | 1,355 | $3.11 | $4,214 | 1,355 Direct | · | Acquired | 400.3% (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 22, 2026 | PESI | Stock Option (Right to Buy) | Common Stock | $16.64 | July 22, 2036 | 10,000 | Acquired |
| July 24, 2025 | PESI | Stock Option (Right to Buy) | Common Stock | $12.23 | July 24, 2025 | 10,000 | Acquired |
| July 18, 2024 | PESI | Stock Option (Right to Buy) | Common Stock | $10.20 | July 18, 2034 | 10,000 | Acquired |
| July 20, 2023 | PESI | Stock Option (Right to Buy) | Common Stock | $9.81 | July 20, 2033 | 10,000 | Acquired |
| July 21, 2022 | PESI | Stock Option | Common Stock | $5.15 | July 21, 2032 | 10,000 | Acquired |
| July 20, 2021 | PESI | Stock Option | Common Stock | $5.93 | July 20, 2031 | 10,000 | Acquired |
| July 22, 2020 | PESI | Stock Option | Common Stock | $6.70 | July 22, 2030 | 2,400 | Acquired |
| July 25, 2019 | PESI | Stock Option | Common Stock | $3.31 | July 25, 2029 | 2,400 | Acquired |
| July 26, 2018 | PESI | Stock Option | Common Stock | $4.30 | July 26, 2028 | 2,400 | 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 |
|---|---|---|---|---|
| Jan. 29, 2018 | PESI | Stock Option | 6,000 | Direct |