William Orr Clark
Insider
First SEC filing: May 18, 2004 · Latest: May 18, 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 17, 2004 | IOSP | S | 9,460 | $21.32 | $201,687 | 0 Direct | -100.00% | Disposed | 814.8% (price as of 2026-10-05) |
| May 14, 2004 | IOSP | S | 5,000 | $22.21 | $111,050 | 9,460 Direct | -34.58% | Disposed | 778.2% (price as of 2026-10-05) |
| May 13, 2004 | IOSP | S | 4,400 | $22.48 | $98,912 | 14,460 Direct | -23.33% | Disposed | 767.6% (price as of 2026-10-05) |
| May 12, 2004 | IOSP | S | 1,800 | $22.38 | $40,284 | 26,360 Direct | -6.39% | Disposed | 771.5% (price as of 2026-10-05) |
| May 12, 2004 | IOSP | S | 7,500 | $22.57 | $169,275 | 18,860 Direct | -28.45% | Disposed | 764.2% (price as of 2026-10-05) |
| May 11, 2004 | IOSP | E | 461 | · | · | 6,008 Direct | -7.13% | Disposed | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | E | 144 | · | · | 6,469 Direct | -2.18% | Disposed | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 5,284 | · | · | 6,613 Direct | -44.41% | Disposed | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 9,059 | · | · | 11,897 Direct | -43.23% | Disposed | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 7,710 | · | · | 20,956 Direct | -26.90% | Disposed | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 461 | · | · | 28,666 Direct | -1.58% | Disposed | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 2,304 | · | · | 29,127 Direct | -7.33% | Disposed | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | S | 2,601 | $23.01 | $59,849 | 26,360 Direct | -8.98% | Disposed | 747.6% (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 5,284 | · | · | 26,630 Direct | +24.75% | Acquired | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 9,059 | $13.28 | $120,304 | 21,076 Direct | +75.38% | Acquired | 1368.7% (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 7,710 | $7.81 | $60,215 | 12,017 Direct | +179.01% | Acquired | 2397.3% (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 461 | · | · | 4,307 Direct | +11.99% | Acquired | (price as of 2026-10-05) |
| May 11, 2004 | IOSP | M | 2,304 | $13.11 | $30,205 | 3,846 Direct | +149.42% | Acquired | 1387.7% (price as of 2026-10-05) |
| Sept. 30, 2003 | IOSP | S | 15 | $17.55 | $263 | 5,943 Direct | -0.25% | Disposed | 1011.3% (price as of 2026-10-05) |
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 11, 2004 | IOSP | OPTIONS | COMMON STOCK | $0.00 | March 1, 2011 | 461 | Disposed |
| May 11, 2004 | IOSP | OPTIONS | COMMON STOCK | $0.00 | Dec. 31, 2008 | 144 | Disposed |
| May 11, 2004 | IOSP | OPTIONS | COMMON STOCK | $0.00 | Dec. 31, 2008 | 5,284 | Disposed |
| May 11, 2004 | IOSP | OPTIONS | COMMON STOCK | $13.28 | Aug. 8, 2009 | 9,059 | Disposed |
| May 11, 2004 | IOSP | OPTIONS | COMMON STOCK | $7.81 | May 10, 2010 | 7,710 | Disposed |
| May 11, 2004 | IOSP | OPTIONS | COMMON STOCK | $0.00 | March 1, 2011 | 461 | Disposed |
| May 11, 2004 | IOSP | OPTIONS | COMMON STOCK | $13.11 | March 1, 2011 | 2,304 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).