Robert W Whitmore
CIK 1310378 · View on SEC EDGAR ↗
First SEC filing: Dec. 3, 2004 · Latest: Aug. 12, 2010
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 30, 2013 | STX | S | 20,000 | $44.30 | $886,000 | 63,364 Direct | -23.99% | Disposed | 1791.7% (price as of 2026-08-20) |
| May 17, 2013 | STX | S | 30,000 | $41.09 | $1,232,700 | 63,364 Direct | -32.13% | Disposed | 1939.4% (price as of 2026-08-20) |
| Feb. 4, 2013 | STX | S | 40,000 | $33.88 | $1,355,200 | 63,364 Direct | -38.70% | Disposed | 2373.5% (price as of 2026-08-20) |
| Nov. 21, 2012 | STX | S | 30,000 | $27.00 | $810,000 | 63,364 Direct | -32.13% | Disposed | 3003.7% (price as of 2026-08-20) |
| Nov. 5, 2012 | STX | S | 13,055 | $28.81 | $376,115 | 63,364 Direct | -17.08% | Disposed | 2808.7% (price as of 2026-08-20) |
| Nov. 2, 2012 | STX | S | 50,000 | $28.00 | $1,400,000 | 76,419 Direct | -39.55% | Disposed | 2892.9% (price as of 2026-08-20) |
| Aug. 30, 2012 | STX | S | 50,000 | $32.48 | $1,624,000 | 76,419 Direct | -39.55% | Disposed | 2480.1% (price as of 2026-08-20) |
| Aug. 2, 2012 | STX | S | 490,000 | $29.90 | $14,651,000 | 84,919 Direct | -85.23% | Disposed | 2702.7% (price as of 2026-08-20) |
| May 14, 2012 | STX | S | 40,000 | $31.68 | $1,267,200 | 53,704 Direct | -42.69% | Disposed | 2545.2% (price as of 2026-08-20) |
| May 14, 2012 | STX | S | 50,000 | $31.70 | $1,585,000 | 53,704 Direct | -48.21% | Disposed | 2543.6% (price as of 2026-08-20) |
| May 1, 2012 | STX | S | 50,000 | $31.88 | $1,594,000 | 53,704 Direct | -48.21% | Disposed | 2528.6% (price as of 2026-08-20) |
| May 1, 2012 | STX | S | 50,000 | $31.87 | $1,593,500 | 53,704 Direct | -48.21% | Disposed | 2529.5% (price as of 2026-08-20) |
| May 1, 2012 | STX | S | 20,000 | $31.94 | $638,800 | 53,704 Direct | -27.14% | Disposed | 2523.7% (price as of 2026-08-20) |
| May 1, 2012 | STX | S | 10,000 | $32.00 | $320,000 | 53,704 Direct | -15.70% | Disposed | 2518.8% (price as of 2026-08-20) |
| April 24, 2012 | STX | S | 20,000 | $29.80 | $596,000 | 53,704 Direct | -27.14% | Disposed | 2712.1% (price as of 2026-08-20) |
| April 24, 2012 | STX | S | 20,000 | $29.77 | $595,400 | 73,704 Direct | -21.34% | Disposed | 2714.9% (price as of 2026-08-20) |
| April 20, 2012 | STX | S | 40,000 | $28.94 | $1,157,600 | 53,704 Direct | -42.69% | Disposed | 2795.7% (price as of 2026-08-20) |
| April 20, 2012 | STX | S | 10,000 | $28.94 | $289,400 | 93,704 Direct | -9.64% | Disposed | 2795.7% (price as of 2026-08-20) |
| April 20, 2012 | STX | S | 50,000 | $28.98 | $1,449,000 | 103,704 Direct | -32.53% | Disposed | 2791.7% (price as of 2026-08-20) |
| Feb. 21, 2012 | STX | S | 30,000 | $27.10 | $813,000 | 53,704 Direct | -35.84% | Disposed | 2992.3% (price as of 2026-08-20) |
| Feb. 2, 2012 | STX | S | 50,000 | $25.78 | $1,289,000 | 53,704 Direct | -48.21% | Disposed | 3150.6% (price as of 2026-08-20) |
| Jan. 20, 2012 | STX | S 10b5-1 | 11,943 | $19.95 | $238,263 | 53,704 Direct | -18.19% | Disposed | 4100.6% (price as of 2026-08-20) |
| Jan. 19, 2012 | STX | S 10b5-1 | 38,057 | $19.95 | $759,237 | 53,704 Direct | -41.47% | Disposed | 4100.6% (price as of 2026-08-20) |
| Jan. 12, 2012 | STX | S 10b5-1 | 50,000 | $18.95 | $947,500 | 53,704 Direct | -48.21% | Disposed | 4322.2% (price as of 2026-08-20) |
Showing latest 100 of 174 transactions
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 30, 2013 | STX | NQ Stock Options | Ordinary Shares (5,000) | $11.06 | Sept. 13, 2017 | 5,000 | Disposed |
| May 30, 2013 | STX | NQ Stock Options | Ordinary Shares (10,000) | $4.04 | Jan. 30, 2016 | 10,000 | Disposed |
| May 30, 2013 | STX | NQ Stock Options | Ordinary Shares (5,000) | $13.73 | Sept. 12, 2015 | 5,000 | Disposed |
| May 17, 2013 | STX | NQ Stock Options | Ordinary Shares (10,000) | $11.06 | Sept. 13, 2017 | 10,000 | Disposed |
| May 17, 2013 | STX | NQ Stock Options | Ordinary Shares (10,000) | $4.04 | Jan. 30, 2016 | 10,000 | Disposed |
| May 17, 2013 | STX | NQ Stock Options | Ordinary Shares (10,000) | $13.73 | Sept. 12, 2015 | 10,000 | Disposed |
| Feb. 4, 2013 | STX | NQ Stock Options | Ordinary Shares (5,000) | $11.06 | Sept. 13, 2017 | 5,000 | Disposed |
| Feb. 4, 2013 | STX | NQ Stock Options | Ordinary Shares (30,000) | $4.04 | Jan. 30, 2016 | 30,000 | Disposed |
| Feb. 4, 2013 | STX | NQ Stock Options | Ordinary Shares (5,000) | $13.73 | Sept. 12, 2015 | 5,000 | Disposed |
| Nov. 21, 2012 | STX | NQ Stock Options | Ordinary Shares (30,000) | $4.04 | Jan. 30, 2016 | 30,000 | Disposed |
| Nov. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (50,000) | $4.04 | Jan. 30, 2016 | 50,000 | Disposed |
| Sept. 10, 2012 | STX | NQ Stock Options | Ordinary Shares (40,000) | $29.87 | Sept. 10, 2019 | 40,000 | Acquired |
| Aug. 30, 2012 | STX | NQ Stock Options | Ordinary Shares (50,000) | $4.04 | Jan. 30, 2016 | 50,000 | Disposed |
| Aug. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (75,000) | $25.52 | Feb. 3, 2013 | 75,000 | Disposed |
| Aug. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (100,000) | $4.04 | Jan. 30, 2016 | 100,000 | Disposed |
| Aug. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (275,000) | $24.63 | Sept. 13, 2014 | 275,000 | Disposed |
| Aug. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (10,000) | $11.06 | Sept. 13, 2017 | 10,000 | Disposed |
| Aug. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (30,000) | $13.73 | Sept. 12, 2015 | 30,000 | Disposed |
| May 14, 2012 | STX | NQ Stock Options | Ordinary Shares (40,000) | $4.04 | Jan. 30, 2016 | 40,000 | Disposed |
| May 14, 2012 | STX | NQ Stock Options | Ordinary Shares (50,000) | $24.63 | Sept. 13, 2014 | 50,000 | Disposed |
| May 1, 2012 | STX | NQ Stock Options | Ordinary Shares (50,000) | $25.52 | Feb. 3, 2013 | 50,000 | Disposed |
| May 1, 2012 | STX | NQ Stock Options | Ordinary Shares (50,000) | $24.63 | Sept. 13, 2014 | 50,000 | Disposed |
| May 1, 2012 | STX | NQ Stock Options | Ordinary Shares (20,000) | $13.73 | Sept. 12, 2015 | 20,000 | Disposed |
| May 1, 2012 | STX | NQ Stock Options | Ordinary Shares (10,000) | $11.06 | Sept. 13, 2017 | 10,000 | Disposed |
| April 24, 2012 | STX | NQ Stock Options | Ordinary Shares (20,000) | $11.06 | Sept. 13, 2017 | 20,000 | Disposed |
| April 24, 2012 | STX | NQ Stock Options | Ordinary Shares (20,000) | $4.04 | Jan. 30, 2016 | 20,000 | Disposed |
| April 20, 2012 | STX | NQ Stock Options | Ordinary Shares (60,000) | $15.06 | Sept. 27, 2012 | 60,000 | Disposed |
| April 20, 2012 | STX | NQ Stock Options | Ordinary Shares (40,000) | $4.04 | Jan. 30, 2016 | 40,000 | Disposed |
| Feb. 21, 2012 | STX | NQ Stock Options | Ordinary Shares (30,000) | $4.04 | Jan. 30, 2016 | 30,000 | Disposed |
| Feb. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (30,000) | $13.73 | Sept. 12, 2015 | 30,000 | Disposed |
| Feb. 2, 2012 | STX | NQ Stock Options | Ordinary Shares (20,000) | $4.04 | Jan. 30, 2016 | 20,000 | Disposed |
| Jan. 20, 2012 | STX | NQ Stock Options | Ordinary Shares (11,943) | $4.04 | Jan. 30, 2016 | 11,943 | Disposed |
| Jan. 19, 2012 | STX | NQ Stock Options | Ordinary Shares (38,057) | $4.04 | Jan. 30, 2016 | 38,057 | Disposed |
| Jan. 12, 2012 | STX | NQ Stock Options | Ordinary Shares (50,000) | $4.04 | Jan. 30, 2016 | 50,000 | Disposed |
| Jan. 6, 2012 | STX | NQ Stock Options | Ordinary Shares (50,000) | $4.04 | Jan. 30, 2016 | 50,000 | Disposed |
| Nov. 11, 2011 | STX | NQ Stock Options | Ordinary Shares (14,800) | $4.04 | Jan. 30, 2016 | 14,800 | Disposed |
| Nov. 8, 2011 | STX | NQ Stock Options | Ordinary Shares (85,200) | $4.04 | Jan. 30, 2016 | 85,200 | Disposed |
| April 25, 2011 | STX | NQ Stock Options | Ordinary Shares (300,000) | $4.04 | Jan. 30, 2016 | 300,000 | Disposed |
| Sept. 13, 2010 | STX | NQ Stock Options | Common Shares (100,000) | $11.06 | Sept. 13, 2017 | 100,000 | Acquired |
| Jan. 30, 2009 | STX | NQ Stock Options | Common Shares (1,000,000) | $4.04 | Jan. 30, 2016 | 1,000,000 | Acquired |
| Sept. 12, 2008 | STX | NQ Stock Options | Common Shares (100,000) | $13.73 | Sept. 12, 2015 | 100,000 | Acquired |
| Oct. 19, 2007 | STX | NQ Stock Option | Common Shares (40,000) | $15.06 | Sept. 27, 2012 | 40,000 | Disposed |
| Oct. 19, 2007 | STX | NQ Stock Option | Common Shares (120,000) | $10.00 | Sept. 16, 2012 | 120,000 | Disposed |
| Oct. 19, 2007 | STX | NQ Stock Option | Common Shares (4,435) | $2.30 | July 24, 2011 | 4,435 | Disposed |
| Sept. 13, 2007 | STX | NQ Stock Options | Common Shares (375,000) | $24.63 | Sept. 13, 2014 | 375,000 | Acquired |
| Feb. 23, 2007 | STX | NQ Stock Option | Common Shares (50,000) | $5.00 | Jan. 31, 2012 | 50,000 | Disposed |
| Jan. 31, 2007 | STX | NQ Stock Option | Common Shares (50,000) | $5.00 | Jan. 31, 2012 | 50,000 | Disposed |
| Jan. 31, 2007 | STX | NQ Stock Option | Common Shares (100,000) | $5.00 | Jan. 31, 2012 | 100,000 | Disposed |
| Jan. 24, 2007 | STX | NQ Stock Option | Common Shares (15,000) | $10.00 | Sept. 16, 2012 | 15,000 | Disposed |
| Nov. 15, 2006 | STX | NQ Stock Option | Common Shares (20,000) | $10.00 | Sept. 16, 2012 | 20,000 | Disposed |
| Nov. 15, 2006 | STX | NQ Stock Option | Common Shares (120,000) | $10.00 | Sept. 16, 2012 | 30,000 | Disposed |
| March 3, 2006 | STX | NQ Stock Option | Common Shares (15,000) | $10.00 | Sept. 16, 2012 | 15,000 | Disposed |
| Feb. 3, 2006 | STX | NQ Stock Option | Common Shares (125,000) | $25.52 | Feb. 3, 2013 | 125,000 | Acquired |
| Jan. 31, 2006 | STX | NQ Stock Option | Common Shares (50,000) | $5.00 | Jan. 31, 2012 | 50,000 | Disposed |
| Jan. 26, 2006 | STX | NQ Stock Option | Common Shares (50,000) | $10.00 | Sept. 16, 2012 | 50,000 | Disposed |
| Sept. 27, 2005 | STX | NQ Stock Option | Common Shares (100,000) | $15.06 | Sept. 27, 2012 | 100,000 | Acquired |
| May 25, 2005 | STX | NQ Stock Option | Common Shares (20,000) | $2.30 | July 24, 2011 | 20,000 | Disposed |
| March 24, 2005 | STX | NQ Stock Option | Common Shares (20,000) | $2.30 | July 24, 2011 | 20,000 | Disposed |
| March 7, 2005 | STX | NQ Stock Option | Common Shares (20,000) | $2.30 | July 24, 2011 | 20,000 | Disposed |
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 |
|---|---|---|---|---|
| Dec. 3, 2004 | STX | NQ Stock Option→ Common Shares (64,435) | 64,435 | Direct |
| Dec. 3, 2004 | STX | NQ Stock Option→ Common Shares (250,000) | 250,000 | Direct |
| Dec. 3, 2004 | STX | NQ Stock Option→ Common Shares (100,000) | 100,000 | Direct |
| Dec. 3, 2004 | STX | NQ Stock Option→ Common Shares (150,000) | 150,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2013 | $674,024 | — | $1,796,880 | $363,611 | $946,029 | — | — | $3,780,554 |
| 2011 | $674,024 | — | $446,569 | $505,384 | — | — | — | $1,625,976 |
| 2010 | $574,030 | — | — | — | $681,000 | — | $6,205 | $1,261,235 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.