On this page
Gary Mayo
Insider
First SEC filing: May 15, 2014 · Latest: Sept. 1, 2020
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 29, 2020 | CEPL | F | 1,783 | $4.12 | $7,346 | 17,482 Direct | -9.26% | Disposed | 9.1% (price as of 2026-10-02) |
| Aug. 30, 2019 | CEPL | F | 10,635 | $0.65 | $6,913 | 192,610 Direct | -5.23% | Disposed | 591.5% (price as of 2026-10-02) |
| Aug. 29, 2019 | CEPL | A | 73,529 | · | · | 203,245 Direct | +56.68% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2018 | CEPL | F | 17,997 | $1.12 | $20,157 | 129,716 Direct | -12.18% | Disposed | 301.3% (price as of 2026-10-02) |
| Aug. 30, 2018 | CEPL | A | 43,859 | · | · | 147,713 Direct | +42.23% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2017 | CEPL | F | 6,666 | $0.64 | $4,266 | 29,636 Direct | -18.36% | Disposed | 602.3% (price as of 2026-10-02) |
| Aug. 31, 2017 | CEPL | A | 74,218 | · | · | 103,854 Direct | +250.43% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2016 | CEPL | A | 27,777 | · | · | 36,302 Direct | +325.83% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2016 | CEPL | F | 1,797 | $1.73 | $3,109 | 8,525 Direct | -17.41% | Disposed | 159.8% (price as of 2026-10-02) |
| Aug. 28, 2015 | CEPL | A | 128,378 | · | · | 206,430 Direct | +164.48% | Acquired | (price as of 2026-10-02) |
| Aug. 27, 2015 | CEPL | F | 7,777 | $0.41 | $3,189 | 78,052 Direct | -9.06% | Disposed | 996.3% (price as of 2026-10-02) |
| Aug. 29, 2014 | CEPL | F | 8,596 | $1.25 | $10,745 | 85,829 Direct | -9.10% | Disposed | 259.6% (price as of 2026-10-02) |
| Aug. 28, 2014 | CEPL | A | 27,777 | · | · | 94,425 Direct | +41.68% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2013 | CEPL | A | 31,532 | · | · | 67,479 Direct | +87.72% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2013 | CEPL | F | 9,702 | $1.11 | $10,769 | 35,947 Direct | -21.25% | Disposed | 305.0% (price as of 2026-10-02) |
| Sept. 4, 2012 | CEPL | A | 1,492 | $1.01 | $1,507 | 45,649 Direct | +3.38% | Acquired | 345.0% (price as of 2026-10-02) |
| Aug. 30, 2012 | CEPL | A | 34,653 | · | · | 44,157 Direct | +364.61% | Acquired | (price as of 2026-10-02) |
| June 1, 2012 | CEPL | A | 1,500 | $1.00 | $1,500 | 9,504 Direct | +18.74% | Acquired | 349.5% (price as of 2026-10-02) |
| March 1, 2012 | CEPL | A | 1,315 | $1.14 | $1,499 | 8,004 Direct | +19.66% | Acquired | 294.3% (price as of 2026-10-02) |
| Dec. 1, 2011 | CEPL | A | 1,500 | $1.00 | $1,500 | 6,689 Direct | +28.91% | Acquired | 349.5% (price as of 2026-10-02) |
| Nov. 15, 2011 | CEPL | S | 17,269 | $1.23 | $21,241 | 5,189 Direct | -76.89% | Disposed | 265.4% (price as of 2026-10-02) |
| Nov. 15, 2011 | CEPL | S | 10,000 | $1.24 | $12,400 | 22,458 Direct | -30.81% | Disposed | 262.5% (price as of 2026-10-02) |
| Nov. 15, 2011 | CEPL | M | 10,000 | · | · | 41,600 Direct | -19.38% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2011 | CEPL | S | 17,269 | $1.24 | $21,414 | 5,189 Direct | · | Acquired | 262.5% (price as of 2026-10-02) |
| Nov. 15, 2011 | CEPL | S | 10,000 | $1.23 | $12,300 | 22,458 Direct | -30.81% | Disposed | 265.4% (price as of 2026-10-02) |
| Nov. 15, 2011 | CEPL | M | 10,000 | $0.66 | $6,600 | 32,458 Direct | +44.53% | Acquired | 581.1% (price as of 2026-10-02) |
| Nov. 15, 2011 | CEPL | S | 17,269 | $1.24 | $21,414 | 5,189 Direct | -76.89% | Disposed | 262.5% (price as of 2026-10-02) |
| Sept. 1, 2011 | CEPL | A | 1,327 | $1.13 | $1,500 | 22,458 Direct | +6.28% | Acquired | 297.8% (price as of 2026-10-02) |
| Aug. 26, 2011 | CEPL | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2011 | CEPL | A | 898 | $1.67 | $1,500 | 21,131 Direct | +4.44% | Acquired | 169.2% (price as of 2026-10-02) |
| March 1, 2011 | CEPL | A | 1,041 | $1.44 | $1,499 | 20,233 Direct | +5.42% | Acquired | 212.2% (price as of 2026-10-02) |
| Dec. 1, 2010 | CEPL | A | 1,923 | $0.78 | $1,500 | 19,192 Direct | +11.14% | Acquired | 476.3% (price as of 2026-10-02) |
| Sept. 1, 2010 | CEPL | A | 2,307 | $0.65 | $1,500 | 17,269 Direct | +15.42% | Acquired | 591.5% (price as of 2026-10-02) |
| Aug. 26, 2010 | CEPL | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 23, 2010 | CEPL | S | 462 | $0.73 | $337 | 14,962 Direct | -3.00% | Disposed | 515.8% (price as of 2026-10-02) |
| Aug. 23, 2010 | CEPL | S | 12,510 | $0.73 | $9,132 | 15,424 Direct | -44.78% | Disposed | 515.8% (price as of 2026-10-02) |
| June 1, 2010 | CEPL | A | 1,304 | $1.15 | $1,500 | 27,934 Direct | +4.90% | Acquired | 290.9% (price as of 2026-10-02) |
| March 1, 2010 | CEPL | A | 1,239 | $1.21 | $1,499 | 26,630 Direct | +4.88% | Acquired | 271.5% (price as of 2026-10-02) |
| Dec. 1, 2009 | CEPL | A | 1,136 | $1.32 | $1,500 | 25,391 Direct | +4.68% | Acquired | 240.5% (price as of 2026-10-02) |
| Aug. 28, 2009 | CEPL | S | 6,700 | $1.32 | $8,844 | 24,255 Direct | -21.64% | Disposed | 240.5% (price as of 2026-10-02) |
| Aug. 27, 2009 | CEPL | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2009 | CEPL | A | 11,283 | $0.48 | $5,416 | 30,955 Direct | +57.36% | Acquired | 836.5% (price as of 2026-10-02) |
| Dec. 1, 2008 | CEPL | A | 8,717 | $0.76 | $6,625 | 19,672 Direct | +79.57% | Acquired | 491.4% (price as of 2026-10-02) |
| Sept. 2, 2008 | CEPL | A | 2,435 | $2.72 | $6,623 | 10,955 Direct | +28.58% | Acquired | 65.3% (price as of 2026-10-02) |
| Aug. 28, 2008 | CEPL | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2008 | CEPL | A | 1,761 | $3.76 | $6,621 | 8,520 Direct | +26.05% | Acquired | 19.5% (price as of 2026-10-02) |
| March 3, 2008 | CEPL | A | 3,599 | $1.84 | $6,622 | 6,759 Direct | +113.89% | Acquired | 144.3% (price as of 2026-10-02) |
| Dec. 3, 2007 | CEPL | A | 3,160 | $1.14 | $3,602 | 3,160 Direct | · | Acquired | 294.3% (price as of 2026-10-02) |
| Oct. 11, 2007 | CEPL | A | 21,600 | · | · | 21,600 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 |
|---|---|---|---|---|---|---|---|
| Nov. 15, 2011 | CEPL | Stock Option (right to buy) | Common Stock | $0.66 | Aug. 26, 2020 | 10,000 | Disposed |
| Aug. 26, 2011 | CEPL | Stock optin (right to buy) | Common Stock | $1.13 | Aug. 26, 2021 | 10,000 | Acquired |
| Aug. 26, 2010 | CEPL | Stock Option (right to buy) | Common Stock | $0.66 | Aug. 26, 2020 | 10,000 | Acquired |
| Aug. 27, 2009 | CEPL | Stock Option (right to buy) | Common Stock | $1.19 | Aug. 27, 2019 | 10,000 | Acquired |
| Aug. 28, 2008 | CEPL | Stock Option (right to buy) | Common Stock | $2.76 | Aug. 28, 2018 | 10,000 | Acquired |
| Oct. 11, 2007 | CEPL | Stock Option | Common Stock | $1.11 | Oct. 11, 2017 | 21,600 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).