Leslie T Thornton
CIK 1348352 · View on SEC EDGAR ↗
First SEC filing: Dec. 30, 2005 · Latest: Feb. 13, 2025
On this page
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | PRDO | S | 21,129 | $35.37 | $747,333 | 61,161 Direct | -25.68% | Disposed | -9.0% (price as of 2026-08-21) |
| May 7, 2025 | PRDO | S | 20,865 | $30.76 | $641,807 | 56,006 Direct | -27.14% | Disposed | 4.6% (price as of 2026-08-21) |
| March 1, 2023 | PRDO | S | 16,000 | $13.76 | $220,160 | 40,484 Direct | -28.33% | Disposed | 133.8% (price as of 2026-08-21) |
| Aug. 16, 2022 | PRDO | S | 4,068 | $12.38 | $50,362 | 40,484 Direct | -9.13% | Disposed | 159.9% (price as of 2026-08-21) |
| March 3, 2022 | PRDO | S | 16,000 | $10.75 | $172,000 | 35,502 Direct | -31.07% | Disposed | 199.3% (price as of 2026-08-21) |
| Nov. 9, 2010 | PRDO | P | 2,000 | $17.98 | $35,960 | 5,000 Direct | +66.67% | Acquired | 78.9% (price as of 2026-08-21) |
| Nov. 9, 2010 | PRDO | P | 2,365 | $17.98 | $42,523 | 3,000 Direct | +372.44% | Acquired | 78.9% (price as of 2026-08-21) |
| May 10, 2010 | PRDO | P | 335 | $29.85 | $10,000 | 635 Direct | +111.67% | Acquired | 7.8% (price as of 2026-08-21) |
| May 10, 2010 | PRDO | P | 355 | $29.85 | $10,597 | 655 Direct | +118.33% | Acquired | 7.8% (price as of 2026-08-21) |
| May 14, 2008 | PRDO | P | 300 | $19.37 | $5,811 | 300 Direct | — | Acquired | 66.1% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| March 13, 2026 | PRDO | Non-Qualified Option (right to buy) | Common Stock (21,129) | $5.96 | May 24, 2026 | 21,129 | Disposed |
| March 13, 2025 | PRDO | Non-Qualified Option (right to buy) | Common Stock (26,664) | $3.93 | May 19, 2025 | 26,664 | Disposed |
| March 1, 2023 | PRDO | Non-Qualified Option (right to buy) | Common Stock (16,000) | $2.82 | May 13, 2023 | 16,000 | Disposed |
| March 3, 2022 | PRDO | Non-Qualified Option (right to buy) | Common Stock (16,000) | $6.51 | May 16, 2022 | 16,000 | Disposed |
| Aug. 12, 2019 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock (5,994) | $21.29 | Aug. 12, 2029 | 5,994 | Acquired |
| May 31, 2018 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock (8,017) | $15.39 | May 31, 2028 | 8,017 | Acquired |
| May 23, 2017 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock (11,271) | $9.69 | May 23, 2027 | 11,271 | Acquired |
| May 24, 2016 | PRDO | Non-Qualified Stock Option (Right to buy) | Common Stock (21,129) | $5.96 | May 24, 2026 | 21,129 | Acquired |
| May 19, 2015 | PRDO | Non-Qualified Stock Option (Right to buy) | Common Stock (26,664) | $3.93 | May 19, 2025 | 26,664 | Acquired |
| May 14, 2013 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock (16,000) | $2.82 | May 13, 2023 | 16,000 | Acquired |
| May 17, 2012 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock (16,000) | $6.51 | May 16, 2022 | 16,000 | Acquired |
| May 19, 2011 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock (16,000) | $22.13 | May 18, 2021 | 16,000 | Acquired |
| May 19, 2010 | PRDO | Non-Qualified Stock Option (right to buy) | Common Stock (24,000) | $30.67 | May 18, 2020 | 24,000 | Acquired |
| April 30, 2009 | PRDO | Employee Stock Option (right to buy) | Common Stock (24,000) | $22.04 | April 30, 2019 | 24,000 | Acquired |
| Feb. 20, 2009 | PRDO | Stock Option | Common Stock (24,000) | $18.64 | May 12, 2018 | 24,000 | Acquired |
| Feb. 20, 2009 | PRDO | Stock Option | Common Stock (24,000) | $33.96 | May 16, 2017 | 24,000 | Acquired |
| Feb. 20, 2009 | PRDO | Stock Option | Common Stock (24,000) | $30.80 | May 17, 2016 | 24,000 | Acquired |
| Feb. 20, 2009 | PRDO | Stock Option | Common Stock (24,000) | $32.91 | Dec. 21, 2015 | 24,000 | Acquired |
| May 13, 2008 | PRDO | Stock Option | Common Stock (24,000) | $18.64 | May 12, 2018 | 24,000 | Disposed |
| May 13, 2008 | PRDO | Employee Stock Option (right to buy) | Common Stock (24,000) | $18.64 | May 12, 2018 | 24,000 | Acquired |
| May 17, 2007 | PRDO | Stock Option | Common Stock (24,000) | $33.96 | May 16, 2017 | 24,000 | Disposed |
| May 17, 2007 | PRDO | Stock Option (right to buy) | Common Stock (24,000) | $33.96 | May 16, 2017 | 24,000 | Acquired |
| May 18, 2006 | PRDO | Stock Option | Common Stock (24,000) | $30.80 | May 17, 2016 | 24,000 | Disposed |
| May 18, 2006 | PRDO | Stock Option (right to buy) | Common Stock (24,000) | $30.80 | May 17, 2016 | 24,000 | Acquired |
| Dec. 22, 2005 | PRDO | Stock Option | Common Stock (24,000) | $32.91 | Dec. 21, 2015 | 24,000 | Disposed |
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 |
|---|---|---|---|---|
| Dec. 30, 2005 | PRDO | Stock Option (right to buy)→ Common Stock (24,000) | 24,000 | Direct |