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David Brook
Insider
First SEC filing: May 21, 2019 · Latest: May 21, 2019
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 26, 2022 | KOPN | A | 10,000 | · | · | 30,000 Direct | +50.00% | Acquired | (price as of 2026-10-02) |
| March 17, 2021 | KOPN | S | 299,260 | $9.57 | $2,863,918 | 10,000 Direct | -96.77% | Disposed | -48.7% (price as of 2026-10-02) |
| June 1, 2020 | KOPN | A | 10,000 | · | · | 20,000 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| June 1, 2020 | KOPN | A | 10,000 | · | · | 303,760 Direct | +3.40% | Acquired | (price as of 2026-10-02) |
| May 21, 2019 | KOPN | A | 10,000 | · | · | 293,760 Direct | +3.52% | Acquired | (price as of 2026-10-02) |
| May 9, 2018 | KOPN | A | 10,000 | · | · | 283,760 Direct | +3.65% | Acquired | (price as of 2026-10-02) |
| May 31, 2017 | KOPN | A | 10,000 | · | · | 273,760 Direct | +3.79% | Acquired | (price as of 2026-10-02) |
| May 12, 2016 | KOPN | P | 50,000 | $1.82 | $91,000 | 263,760 Direct | +23.39% | Acquired | 169.8% (price as of 2026-10-02) |
| May 11, 2016 | KOPN | A | 10,000 | · | · | 213,760 Direct | +4.91% | Acquired | (price as of 2026-10-02) |
| May 8, 2015 | KOPN | A | 10,000 | · | · | 203,760 Direct | +5.16% | Acquired | (price as of 2026-10-02) |
| April 29, 2014 | KOPN | A | 10,000 | · | · | 193,760 Direct | +5.44% | Acquired | (price as of 2026-10-02) |
| May 11, 2012 | KOPN | A | 10,000 | · | · | 173,760 Direct | +6.11% | Acquired | (price as of 2026-10-02) |
| April 29, 2010 | KOPN | A | 10,000 | · | · | 153,760 Direct | +6.96% | Acquired | (price as of 2026-10-02) |
| April 28, 2009 | KOPN | A | 10,000 | · | · | 143,760 Direct | +7.48% | Acquired | (price as of 2026-10-02) |
| May 20, 2008 | KOPN | A | 20,000 | · | · | 133,760 Direct | +17.58% | Acquired | (price as of 2026-10-02) |
| July 14, 2006 | KOPN | A | 10,000 | · | · | 137,760 Direct | +7.83% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2006 | KOPN | G | 4,198 | · | · | 127,760 Direct | -3.18% | Disposed | (price as of 2026-10-02) |
| Feb. 6, 2006 | KOPN | G | 4,198 | · | · | 131,958 Direct | -3.08% | Disposed | (price as of 2026-10-02) |
| Feb. 6, 2006 | KOPN | G | 4,198 | · | · | 136,156 Direct | -2.99% | Disposed | (price as of 2026-10-02) |
| Oct. 17, 2005 | KOPN | G | 3,384 | · | · | 147,122 Direct | -2.25% | Disposed | (price as of 2026-10-02) |
| Oct. 17, 2005 | KOPN | G | 3,384 | · | · | 143,738 Direct | -2.30% | Disposed | (price as of 2026-10-02) |
| Oct. 17, 2005 | KOPN | G | 3,384 | · | · | 140,354 Direct | -2.35% | Disposed | (price as of 2026-10-02) |
| May 19, 2005 | KOPN | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 8, 2004 | KOPN | G | 5,000 | · | · | 150,506 Direct | -3.22% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2004 | KOPN | G | 5,000 | · | · | 155,506 Direct | -3.12% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2004 | KOPN | G | 5,000 | · | · | 160,506 Direct | -3.02% | Disposed | (price as of 2026-10-02) |
| May 19, 2004 | KOPN | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 30, 2004 | KOPN | P | 10,000 | $4.96 | $49,600 | 165,506 Direct | +6.43% | Acquired | -1.0% (price as of 2026-10-02) |
| April 29, 2004 | KOPN | P | 20,000 | $5.07 | $101,400 | 155,506 Direct | +14.76% | Acquired | -3.2% (price as of 2026-10-02) |
| July 29, 2003 | KOPN | S | 16,000 | $7.39 | $118,240 | 142,551 Direct | -10.09% | Disposed | -33.6% (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 |
|---|---|---|---|---|---|---|---|
| May 19, 2005 | KOPN | Stock Option -- Right to Buy | Common Stock | $3.50 | May 19, 2015 | 25,000 | Acquired |
| May 19, 2004 | KOPN | Common Stock -- option to purchase | Common Stock | $5.00 | May 19, 2014 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).