Gregory L. Jackson
Insider
First SEC filing: Feb. 14, 2013 · Latest: Feb. 14, 2013
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-358,192
Price change vs current quote, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 11, 2026 | PRDO | M | 11,271 | $9.69 | $109,216 | 76,220 Direct | +17.35% | Acquired | 229.3% (price as of 2026-10-02) |
| Aug. 11, 2026 | PRDO | S | 11,271 | $31.78 | $358,192 | 64,949 Direct | -14.79% | Disposed | 0.4% (price as of 2026-10-02) |
| Aug. 11, 2026 | PRDO | M | 11,271 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 21, 2026 | PRDO | A | 3,987 | · | · | 64,949 Direct | +6.54% | Acquired | (price as of 2026-10-02) |
| Aug. 27, 2025 | PRDO | M | 4,568 | $5.96 | $27,225 | 65,530 Direct | +7.49% | Acquired | 435.4% (price as of 2026-10-02) |
| Aug. 27, 2025 | PRDO | S | 4,568 | $32.50 | $148,460 | 60,962 Direct | -6.97% | Disposed | -1.8% (price as of 2026-10-02) |
| Aug. 27, 2025 | PRDO | M | 4,568 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 25, 2025 | PRDO | M | 16,561 | $5.96 | $98,704 | 77,523 Direct | +27.17% | Acquired | 435.4% (price as of 2026-10-02) |
| Aug. 25, 2025 | PRDO | S | 16,561 | $33.51 | $554,959 | 60,962 Direct | -21.36% | Disposed | -4.8% (price as of 2026-10-02) |
| Aug. 25, 2025 | PRDO | M | 16,561 | · | · | 4,568 Direct | -78.38% | Disposed | (price as of 2026-10-02) |
| May 22, 2025 | PRDO | A | 5,155 | · | · | 60,962 Direct | +9.24% | Acquired | (price as of 2026-10-02) |
| Aug. 6, 2024 | PRDO | M | 26,664 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2024 | PRDO | S | 26,664 | $22.70 | $605,273 | 58,644 Direct | -31.26% | Disposed | 40.6% (price as of 2026-10-02) |
| Aug. 6, 2024 | PRDO | M | 26,664 | $3.93 | $104,790 | 85,308 Direct | +45.47% | Acquired | 712.0% (price as of 2026-10-02) |
| May 23, 2024 | PRDO | A | 6,256 | · | · | 58,644 Direct | +11.94% | Acquired | (price as of 2026-10-02) |
| May 25, 2023 | PRDO | A | 7,827 | · | · | 52,388 Direct | +17.56% | Acquired | (price as of 2026-10-02) |
| March 2, 2023 | PRDO | M | 4,174 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 2, 2023 | PRDO | S | 4,174 | $13.60 | $56,766 | 44,561 Direct | -8.56% | Disposed | 134.6% (price as of 2026-10-02) |
| March 2, 2023 | PRDO | M | 4,174 | $2.82 | $11,771 | 48,735 Direct | +9.37% | Acquired | 1031.6% (price as of 2026-10-02) |
| March 1, 2023 | PRDO | M | 11,826 | · | · | 4,174 Direct | -73.91% | Disposed | (price as of 2026-10-02) |
| March 1, 2023 | PRDO | S | 11,826 | $13.81 | $163,317 | 44,561 Direct | -20.97% | Disposed | 131.1% (price as of 2026-10-02) |
| March 1, 2023 | PRDO | M | 11,826 | $2.82 | $33,349 | 56,387 Direct | +26.54% | Acquired | 1031.6% (price as of 2026-10-02) |
| May 26, 2022 | PRDO | A | 9,050 | · | · | 44,561 Direct | +25.49% | Acquired | (price as of 2026-10-02) |
| March 2, 2022 | PRDO | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 2, 2022 | PRDO | S | 8,000 | $10.70 | $85,600 | 35,511 Direct | -18.39% | Disposed | 198.2% (price as of 2026-10-02) |
| March 2, 2022 | PRDO | M | 8,000 | $6.51 | $52,080 | 43,511 Direct | +22.53% | Acquired | 390.2% (price as of 2026-10-02) |
| March 1, 2022 | PRDO | M | 8,000 | · | · | 8,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| March 1, 2022 | PRDO | S | 8,000 | $10.45 | $83,600 | 35,511 Direct | -18.39% | Disposed | 205.4% (price as of 2026-10-02) |
| March 1, 2022 | PRDO | M | 8,000 | $6.51 | $52,080 | 43,511 Direct | +22.53% | Acquired | 390.2% (price as of 2026-10-02) |
| June 3, 2021 | PRDO | A | 8,348 | · | · | 35,511 Direct | +30.73% | Acquired | (price as of 2026-10-02) |
| March 3, 2021 | PRDO | S | 20,835 | $11.92 | $248,353 | 27,163 Direct | -43.41% | Disposed | 167.7% (price as of 2026-10-02) |
| May 28, 2020 | PRDO | A | 7,535 | · | · | 47,998 Direct | +18.62% | Acquired | (price as of 2026-10-02) |
| Aug. 12, 2019 | PRDO | A | 5,994 | · | · | 5,994 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 22, 2018 | PRDO | M | 24,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 22, 2018 | PRDO | S | 21,828 | $16.46 | $359,289 | 40,463 Direct | -35.04% | Disposed | 93.9% (price as of 2026-10-02) |
| Aug. 22, 2018 | PRDO | M | 24,000 | $14.96 | $359,040 | 62,291 Direct | +62.68% | Acquired | 113.3% (price as of 2026-10-02) |
| May 31, 2018 | PRDO | A | 8,017 | · | · | 8,017 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 14, 2017 | PRDO | P | 7,425 | $8.79 | $65,266 | 38,291 Direct | +24.06% | Acquired | 263.0% (price as of 2026-10-02) |
| Aug. 14, 2017 | PRDO | P | 2,575 | $8.76 | $22,557 | 30,866 Direct | +9.10% | Acquired | 264.3% (price as of 2026-10-02) |
| May 23, 2017 | PRDO | A | 11,271 | · | · | 11,271 Direct | · | Acquired | (price as of 2026-10-02) |
| May 24, 2016 | PRDO | A | 21,129 | · | · | 21,129 Direct | · | Acquired | (price as of 2026-10-02) |
| May 19, 2015 | PRDO | A | 26,664 | · | · | 26,664 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2014 | PRDO | A | 14,619 | · | · | 28,291 Direct | +106.93% | Acquired | (price as of 2026-10-02) |
| May 14, 2013 | PRDO | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 17, 2012 | PRDO | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 19, 2011 | PRDO | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 19, 2010 | PRDO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 30, 2009 | PRDO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2009 | PRDO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 17, 2008 | PRDO | D | 24,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 17, 2008 | PRDO | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Aug. 11, 2026 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $9.69 | May 23, 2027 | 11,271 | Disposed |
| Aug. 27, 2025 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $5.96 | May 24, 2026 | 4,568 | Disposed |
| Aug. 25, 2025 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $5.96 | May 24, 2026 | 16,561 | Disposed |
| Aug. 6, 2024 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $3.93 | May 19, 2025 | 26,664 | Disposed |
| March 2, 2023 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $2.82 | May 13, 2023 | 4,174 | Disposed |
| March 1, 2023 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $2.82 | May 13, 2023 | 11,826 | Disposed |
| March 2, 2022 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $6.51 | May 16, 2022 | 8,000 | Disposed |
| March 1, 2022 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $6.51 | May 16, 2022 | 8,000 | Disposed |
| Aug. 12, 2019 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $21.29 | Aug. 12, 2029 | 5,994 | Acquired |
| Aug. 22, 2018 | PRDO | Non-Qualified Option (right to buy) | Common Stock | $14.96 | Nov. 16, 2018 | 24,000 | Disposed |
| May 31, 2018 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $15.39 | May 31, 2028 | 8,017 | Acquired |
| May 23, 2017 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $9.69 | May 23, 2027 | 11,271 | Acquired |
| May 24, 2016 | PRDO | Non-Qualified Stock Option (Right to buy) | Common Stock | $5.96 | May 24, 2026 | 21,129 | Acquired |
| May 19, 2015 | PRDO | Non-Qualified Stock Option (Right to buy) | Common Stock | $3.93 | May 19, 2025 | 26,664 | Acquired |
| May 14, 2013 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $2.82 | May 13, 2023 | 16,000 | Acquired |
| May 17, 2012 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $6.51 | May 16, 2022 | 16,000 | Acquired |
| May 19, 2011 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock | $22.13 | May 18, 2021 | 16,000 | Acquired |
| May 19, 2010 | PRDO | Stock Option (Right to Buy) | Common Stock | $30.67 | May 18, 2020 | 24,000 | Acquired |
| April 30, 2009 | PRDO | Stock Option (Right to Buy) | Common Stock | $22.04 | April 30, 2019 | 24,000 | Acquired |
| Feb. 20, 2009 | PRDO | Stock Option (Right to Buy) | Common Stock | $14.96 | Nov. 16, 2018 | 24,000 | Acquired |
| Nov. 17, 2008 | PRDO | Stock Option (Right to Buy) | Common Stock | $14.96 | Nov. 16, 2018 | 24,000 | Disposed |
| Nov. 17, 2008 | PRDO | Stock Option (Right to Buy) | Common Stock | $14.96 | Nov. 17, 2018 | 24,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).