Grimes George Gregory
Insider
First SEC filing: Jan. 3, 2013 · Latest: Jan. 3, 2013
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2019 | REFR | A | 40,000 | · | · | 147,850 Direct | +37.09% | Acquired | (price as of 2026-10-06) |
| Dec. 31, 2019 | REFR | A | 35,000 | · | · | 147,850 Direct | +31.01% | Acquired | (price as of 2026-10-06) |
| June 13, 2019 | REFR | A | 35,000 | · | · | 116,850 Direct | +42.76% | Acquired | (price as of 2026-10-06) |
| Oct. 10, 2018 | REFR | S | 18,000 | $1.72 | $30,960 | 177,128 Direct | -9.22% | Disposed | -58.3% (price as of 2026-10-06) |
| Dec. 31, 2017 | REFR | A | 15,000 | · | · | 81,850 Direct | +22.44% | Acquired | (price as of 2026-10-06) |
| Dec. 31, 2016 | REFR | A | 11,000 | · | · | 66,850 Direct | +19.70% | Acquired | (price as of 2026-10-06) |
| Dec. 31, 2015 | REFR | A | 11,000 | · | · | 55,850 Direct | +24.53% | Acquired | (price as of 2026-10-06) |
| Feb. 26, 2015 | REFR | M | 20,000 | · | · | 65,350 Direct | +44.10% | Acquired | (price as of 2026-10-06) |
| Feb. 26, 2015 | REFR | F | 2,207 | $5.00 | $11,035 | 137,923 Direct | +1.63% | Acquired | -85.7% (price as of 2026-10-06) |
| Dec. 31, 2014 | REFR | A | 11,950 | · | · | 85,350 Direct | +16.28% | Acquired | (price as of 2026-10-06) |
| Dec. 31, 2013 | REFR | A | 23,900 | · | · | 73,400 Direct | +48.28% | Acquired | (price as of 2026-10-06) |
| Jan. 1, 2013 | REFR | A | 18,300 | · | · | 115,956 Direct | +18.74% | Acquired | (price as of 2026-10-06) |
| Jan. 1, 2012 | REFR | A | 19,300 | · | · | 97,656 Direct | +24.63% | Acquired | (price as of 2026-10-06) |
| April 25, 2011 | REFR | P | 5,000 | $4.98 | $24,900 | 78,356 Direct | +6.82% | Acquired | -85.6% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 31, 2019 | REFR | Stock Option (right to buy) | Common Stock | $3.11 | Dec. 30, 2029 | 40,000 | Acquired |
| Dec. 31, 2019 | REFR | Stock Option (right to buy) | Common Stock | $3.11 | Dec. 30, 2029 | 35,000 | Acquired |
| June 13, 2019 | REFR | Stock Option (right to buy) | Common Stock | $2.89 | June 12, 2029 | 35,000 | Acquired |
| Dec. 31, 2017 | REFR | Stock Option (right to buy) | Common Stock | $1.06 | Dec. 30, 2027 | 15,000 | Acquired |
| Dec. 31, 2016 | REFR | Stock Option (right to buy) | Common Stock | $1.83 | Dec. 30, 2026 | 11,000 | Acquired |
| Dec. 31, 2015 | REFR | Stock Option (right to buy) | Common Stock | $5.26 | Dec. 30, 2025 | 11,000 | Acquired |
| Feb. 26, 2015 | REFR | Stock Option (right to buy) | Common Stock | $5.00 | Feb. 28, 2015 | 20,000 | Acquired |
| Dec. 31, 2014 | REFR | Stock Option (right to buy) | Common Stock | $5.19 | Dec. 30, 2024 | 11,950 | Acquired |
| Dec. 31, 2013 | REFR | Stock Option (right to buy) | Common Stock | $5.56 | Dec. 30, 2023 | 23,900 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.