Harry Silverglide
Insider
First SEC filing: June 7, 2004 · Latest: June 7, 2004
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 6, 2013 | EXTR | S | 20,000 | $3.25 | $65,000 | 52,863 Direct | -27.45% | Disposed | 611.4% (price as of 2026-10-02) |
| Nov. 27, 2012 | EXTR | A | 26,536 | · | · | 72,863 Direct | +57.28% | Acquired | (price as of 2026-10-02) |
| April 26, 2012 | EXTR | A | 15,000 | $3.87 | $58,050 | 15,000 Direct | · | Acquired | 497.4% (price as of 2026-10-02) |
| April 26, 2012 | EXTR | A | 5,000 | · | · | 46,327 Direct | +12.10% | Acquired | (price as of 2026-10-02) |
| Aug. 5, 2011 | EXTR | A | 20,000 | · | · | 41,327 Direct | +93.78% | Acquired | (price as of 2026-10-02) |
| Aug. 5, 2011 | EXTR | A | 20,000 | $3.02 | $60,400 | 20,000 Direct | · | Acquired | 665.6% (price as of 2026-10-02) |
| Dec. 15, 2010 | EXTR | A | 15,000 | $3.02 | $45,300 | 15,000 Direct | · | Acquired | 665.6% (price as of 2026-10-02) |
| Dec. 15, 2010 | EXTR | A | 5,000 | · | · | 21,327 Direct | +30.62% | Acquired | (price as of 2026-10-02) |
| Dec. 23, 2009 | EXTR | A | 15,000 | $2.82 | $42,300 | 15,000 Direct | · | Acquired | 719.9% (price as of 2026-10-02) |
| Dec. 23, 2009 | EXTR | A | 5,000 | · | · | 16,327 Direct | +44.14% | Acquired | (price as of 2026-10-02) |
| Aug. 12, 2009 | EXTR | J | 5,078 | · | · | 11,327 Direct | -30.95% | Disposed | (price as of 2026-10-02) |
| Dec. 4, 2008 | EXTR | A | 5,000 | · | · | 16,405 Direct | +43.84% | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2008 | EXTR | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 6, 2007 | EXTR | A | 5,000 | · | · | 11,405 Direct | +78.06% | Acquired | (price as of 2026-10-02) |
| Dec. 6, 2007 | EXTR | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 6, 2007 | EXTR | A | 5,000 | · | · | 11,405 Direct | +78.06% | Acquired | (price as of 2026-10-02) |
| Dec. 6, 2007 | EXTR | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 30, 2007 | EXTR | A | 5,000 | · | · | 6,405 Direct | +355.87% | Acquired | (price as of 2026-10-02) |
| July 30, 2007 | EXTR | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2004 | EXTR | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2004 | EXTR | A | 50,000 | · | · | 50,000 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 |
|---|---|---|---|---|---|---|---|
| April 26, 2012 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock | $3.87 | April 26, 2019 | 15,000 | Acquired |
| Aug. 5, 2011 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock | $3.02 | Aug. 5, 2018 | 20,000 | Acquired |
| Dec. 15, 2010 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock | $3.02 | Dec. 15, 2017 | 15,000 | Acquired |
| Dec. 23, 2009 | EXTR | Non-Qualified Stock Option (right to buy) | Common Stock | $2.82 | Dec. 23, 2019 | 15,000 | Acquired |
| Dec. 4, 2008 | EXTR | Stock Option (right to buy) | Common Stock | $1.85 | Dec. 4, 2018 | 15,000 | Acquired |
| Dec. 6, 2007 | EXTR | Stock Option (right to buy) | Common Stock | $3.87 | Dec. 6, 2017 | 15,000 | Acquired |
| Dec. 6, 2007 | EXTR | Stock Option (right to buy) | Common Stock | $3.87 | Dec. 6, 2017 | 15,000 | Acquired |
| July 30, 2007 | EXTR | Non-qualified Stock Option (right to buy) | Common Stock | $4.18 | July 30, 2017 | 15,000 | Acquired |
| Dec. 1, 2004 | EXTR | Non-qualified Stock Option (right to buy) | Common Stock | $6.96 | Dec. 1, 2014 | 30,000 | Acquired |
| June 3, 2004 | EXTR | Non-qualified Stock Option (right to buy) | Common Stock | $4.97 | June 3, 2014 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 7, 2004 | EXTR | Common Stock | 1,405 | Direct |