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Duane M Grubert
Insider
First SEC filing: Oct. 20, 2016 · Latest: Oct. 20, 2016
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 30, 2017 | SD | F | 5,403 | $17.21 | $92,986 | 102,023 Direct | -5.03% | Disposed | -20.9% (price as of 2026-10-02) |
| March 9, 2017 | SD | I | 6,000 | $17.65 | $105,900 | 6,000 Indirect | · | Acquired | -22.8% (price as of 2026-10-02) |
| Feb. 15, 2017 | SD | A | 34,752 | $20.19 | $701,643 | 107,426 Direct | +47.82% | Acquired | -32.5% (price as of 2026-10-02) |
| Oct. 19, 2016 | SD | A | 72,674 | · | · | 72,674 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 30, 2015 | SD | F | 10,307 | $0.17 | $1,752 | 164,231 Direct | -5.91% | Disposed | 7911.8% (price as of 2026-10-02) |
| Oct. 2, 2015 | SD | A | 28,755 | $0.33 | $9,489 | 174,538 Direct | +19.72% | Acquired | 4027.3% (price as of 2026-10-02) |
| July 1, 2015 | SD | A | 21,048 | $0.83 | $17,470 | 145,783 Direct | +16.87% | Acquired | 1541.0% (price as of 2026-10-02) |
| April 1, 2015 | SD | A | 6,349 | $1.77 | $11,238 | 124,735 Direct | +5.36% | Acquired | 669.5% (price as of 2026-10-02) |
| March 20, 2015 | SD | A | 137,195 | · | · | 269,180 Direct | +103.95% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2015 | SD | A | 131,985 | $2.37 | $312,804 | 131,985 Direct | · | Acquired | 474.7% (price as of 2026-10-02) |
| Jan. 2, 2015 | SD | A | 2,218 | $1.77 | $3,926 | 118,386 Direct | +1.91% | Acquired | 669.5% (price as of 2026-10-02) |
| Dec. 30, 2014 | SD | F | 10,308 | $1.90 | $19,585 | 116,168 Direct | -8.15% | Disposed | 616.8% (price as of 2026-10-02) |
| Dec. 30, 2013 | SD | A | 126,476 | · | · | 126,476 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 |
|---|---|---|---|---|---|---|---|
| March 20, 2015 | SD | Common Stock | Common Stock | · | · | 137,195 | Acquired |
| Feb. 19, 2015 | SD | Common Stock | Common Stock | · | · | 131,985 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).