Grimes George Gregory
CIK 1508112 · View on SEC EDGAR ↗
First SEC filing: Jan. 3, 2013 · Latest: Jan. 3, 2013
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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 |
|---|---|---|---|---|---|---|---|---|---|
| April 25, 2011 | REFR | P | 5,000 | $4.98 | $24,900 | 78,356 Direct | +6.82% | Acquired | -90.6% (price as of 2026-08-20) |
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, 2015 | REFR | Stock Option (right to buy) | Common Stock (11,000) | $5.26 | Dec. 30, 2025 | 11,000 | Acquired |
| Feb. 26, 2015 | REFR | Stock Option (right to buy) | Common Stock (20,000) | $5.00 | Feb. 28, 2015 | 20,000 | Acquired |
| Dec. 31, 2014 | REFR | Stock Option (right to buy) | Common Stock (11,950) | $5.19 | Dec. 30, 2024 | 11,950 | Acquired |
| Dec. 31, 2013 | REFR | Stock Option (right to buy) | Common Stock (23,900) | $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.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 10, 2011 | REFR | Common Stock | 73,356 | Direct |
| Jan. 10, 2011 | REFR | Warrant (right to buy)→ Common Stock (9,000) | 9,000 | Direct |
| Jan. 10, 2011 | REFR | Warrant (right to buy)→ Common Stock (20,000) | 20,000 | Direct |
| Jan. 10, 2011 | REFR | Warrant (right to buy)→ Common Stock (20,500) | 20,500 | Direct |