Catherine Hessner
Insider
First SEC filing: Nov. 18, 2003 · Latest: Nov. 18, 2003
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 11, 2021 | IOSP | M | 197 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2021 | IOSP | M | 438 | · | · | 197 Direct | -68.98% | Disposed | (price as of 2026-10-02) |
| May 11, 2021 | IOSP | M | 252 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 11, 2021 | IOSP | S | 197 | $101.53 | $20,001 | 15,194 Direct | -1.28% | Disposed | -4.1% (price as of 2026-10-02) |
| May 11, 2021 | IOSP | M | 197 | $70.60 | $13,908 | 15,391 Direct | +1.30% | Acquired | 38.0% (price as of 2026-10-02) |
| May 11, 2021 | IOSP | S | 438 | $101.21 | $44,330 | 15,194 Direct | -2.80% | Disposed | -3.8% (price as of 2026-10-02) |
| May 11, 2021 | IOSP | M | 438 | $70.60 | $30,923 | 15,632 Direct | +2.88% | Acquired | 38.0% (price as of 2026-10-02) |
| May 11, 2021 | IOSP | S | 195 | $100.50 | $19,598 | 15,194 Direct | -1.27% | Disposed | -3.1% (price as of 2026-10-02) |
| May 11, 2021 | IOSP | S | 57 | $99.79 | $5,688 | 15,389 Direct | -0.37% | Disposed | -2.4% (price as of 2026-10-02) |
| May 11, 2021 | IOSP | M | 252 | $81.07 | $20,430 | 15,446 Direct | +1.66% | Acquired | 20.2% (price as of 2026-10-02) |
| May 10, 2021 | IOSP | M | 51 | · | · | 252 Direct | -16.83% | Disposed | (price as of 2026-10-02) |
| May 10, 2021 | IOSP | M | 219 | · | · | 303 Direct | -41.95% | Disposed | (price as of 2026-10-02) |
| May 10, 2021 | IOSP | M | 670 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 10, 2021 | IOSP | S | 51 | $103.13 | $5,260 | 15,194 Direct | -0.33% | Disposed | -5.5% (price as of 2026-10-02) |
| May 10, 2021 | IOSP | M | 51 | $81.07 | $4,135 | 15,245 Direct | +0.34% | Acquired | 20.2% (price as of 2026-10-02) |
| May 10, 2021 | IOSP | S | 219 | $102.49 | $22,445 | 15,194 Direct | -1.42% | Disposed | -5.0% (price as of 2026-10-02) |
| May 10, 2021 | IOSP | M | 219 | $81.07 | $17,754 | 15,413 Direct | +1.44% | Acquired | 20.2% (price as of 2026-10-02) |
| May 10, 2021 | IOSP | S | 263 | $101.68 | $26,742 | 15,194 Direct | -1.70% | Disposed | -4.2% (price as of 2026-10-02) |
| May 10, 2021 | IOSP | S | 407 | $100.99 | $41,103 | 15,457 Direct | -2.57% | Disposed | -3.5% (price as of 2026-10-02) |
| May 10, 2021 | IOSP | M | 670 | · | · | 15,864 Direct | +4.41% | Acquired | (price as of 2026-10-02) |
| May 7, 2021 | IOSP | S | 1,461 | $102.20 | $149,314 | 15,272 Direct | -8.73% | Disposed | -4.7% (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 775 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 1,539 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 954 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 1,696 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 7, 2021 | IOSP | S | 78 | $103.02 | $8,036 | 15,194 Direct | -0.51% | Disposed | -5.4% (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 1,539 | · | · | 16,733 Direct | +10.13% | Acquired | (price as of 2026-10-02) |
| May 7, 2021 | IOSP | S | 775 | $101.93 | $78,996 | 15,194 Direct | -4.85% | Disposed | -4.4% (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 775 | $68.20 | $52,855 | 15,969 Direct | +5.10% | Acquired | 42.8% (price as of 2026-10-02) |
| May 7, 2021 | IOSP | S | 954 | $101.82 | $97,136 | 15,194 Direct | -5.91% | Disposed | -4.3% (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 954 | · | · | 16,148 Direct | +6.28% | Acquired | (price as of 2026-10-02) |
| May 7, 2021 | IOSP | S | 1,696 | $101.51 | $172,161 | 15,194 Direct | -10.04% | Disposed | -4.0% (price as of 2026-10-02) |
| May 7, 2021 | IOSP | M | 1,696 | · | · | 16,890 Direct | +11.16% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2021 | IOSP | A | 194 | · | · | 194 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2021 | IOSP | A | 582 | · | · | 582 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2021 | IOSP | A | 582 | · | · | 582 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2021 | IOSP | A | 194 | · | · | 15,194 Direct | +1.29% | Acquired | (price as of 2026-10-02) |
| June 2, 2020 | IOSP | M | 2,855 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 2, 2020 | IOSP | S | 2,855 | $77.86 | $222,290 | 15,000 Direct | -15.99% | Disposed | 25.1% (price as of 2026-10-02) |
| June 2, 2020 | IOSP | M | 2,855 | · | · | 17,855 Direct | +19.03% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2020 | IOSP | A | 290 | · | · | 290 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2020 | IOSP | A | 2,454 | · | · | 2,454 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2020 | IOSP | A | 255 | · | · | 255 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 12, 2019 | IOSP | S | 5,000 | $99.59 | $497,950 | 15,000 Direct | -25.00% | Disposed | -2.2% (price as of 2026-10-02) |
| June 4, 2019 | IOSP | S | 923 | $83.97 | $77,504 | 20,000 Direct | -4.41% | Disposed | 16.0% (price as of 2026-10-02) |
| June 4, 2019 | IOSP | S | 1,077 | $83.35 | $89,768 | 20,923 Direct | -4.90% | Disposed | 16.9% (price as of 2026-10-02) |
| Feb. 25, 2019 | IOSP | A | 219 | $81.07 | $17,754 | 10,623 Direct | +2.10% | Acquired | 20.2% (price as of 2026-10-02) |
| Feb. 25, 2019 | IOSP | A | 303 | $81.07 | $24,564 | 10,404 Direct | +3.00% | Acquired | 20.2% (price as of 2026-10-02) |
| Feb. 25, 2019 | IOSP | A | 2,348 | · | · | 10,101 Direct | +30.29% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2019 | IOSP | M | 1,144 | $44.18 | $50,542 | 7,753 Direct | -12.86% | Disposed | 120.5% (price as of 2026-10-02) |
| Feb. 22, 2019 | IOSP | M | 3,145 | · | · | 8,897 Direct | -26.12% | Disposed | (price as of 2026-10-02) |
| Feb. 22, 2019 | IOSP | S | 1,144 | $80.51 | $92,103 | 22,000 Direct | -4.94% | Disposed | 21.0% (price as of 2026-10-02) |
| Feb. 22, 2019 | IOSP | M | 1,144 | $44.18 | $50,542 | 23,144 Direct | +5.20% | Acquired | 120.5% (price as of 2026-10-02) |
| Feb. 22, 2019 | IOSP | S | 3,145 | $80.51 | $253,204 | 22,000 Direct | -12.51% | Disposed | 21.0% (price as of 2026-10-02) |
| Feb. 22, 2019 | IOSP | M | 3,145 | · | · | 25,145 Direct | +14.30% | Acquired | (price as of 2026-10-02) |
| June 5, 2018 | IOSP | S | 2,910 | $78.24 | $227,678 | 22,000 Direct | -11.68% | Disposed | 24.5% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | M | 531 | $43.95 | $23,337 | 12,042 Direct | -4.22% | Disposed | 121.6% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | M | 654 | $43.95 | $28,743 | 12,573 Direct | -4.94% | Disposed | 121.6% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | M | 2,608 | · | · | 13,227 Direct | -16.47% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | D | 531 | $68.24 | $36,235 | 24,910 Direct | -2.09% | Disposed | 42.7% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | A | 531 | $43.95 | $23,337 | 25,441 Direct | +2.13% | Acquired | 121.6% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | D | 654 | $68.24 | $44,629 | 24,910 Direct | -2.56% | Disposed | 42.7% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | A | 654 | $43.95 | $28,743 | 25,564 Direct | +2.63% | Acquired | 121.6% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | S | 1,382 | $68.24 | $94,308 | 24,910 Direct | -5.26% | Disposed | 42.7% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | F | 1,226 | $68.24 | $83,662 | 26,292 Direct | -4.46% | Disposed | 42.7% (price as of 2026-10-02) |
| Feb. 26, 2018 | IOSP | M | 2,608 | · | · | 27,518 Direct | +10.47% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2018 | IOSP | A | 3,488 | · | · | 16,487 Direct | +26.83% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2018 | IOSP | A | 775 | $68.20 | $52,855 | 12,999 Direct | +6.34% | Acquired | 42.8% (price as of 2026-10-02) |
| Nov. 28, 2017 | IOSP | M | 881 | $33.93 | $29,892 | 12,224 Direct | -6.72% | Disposed | 187.1% (price as of 2026-10-02) |
| Nov. 28, 2017 | IOSP | A | 881 | $33.93 | $29,892 | 13,105 Direct | +7.21% | Acquired | 187.1% (price as of 2026-10-02) |
| Nov. 28, 2017 | IOSP | G | 174 | · | · | 24,910 Direct | -0.69% | Disposed | (price as of 2026-10-02) |
| Nov. 28, 2017 | IOSP | S | 707 | $71.56 | $50,593 | 25,084 Direct | -2.74% | Disposed | 36.1% (price as of 2026-10-02) |
| Nov. 28, 2017 | IOSP | M | 881 | $33.93 | $29,892 | 25,791 Direct | +3.54% | Acquired | 187.1% (price as of 2026-10-02) |
| March 17, 2017 | IOSP | S | 3,000 | $63.15 | $189,450 | 24,910 Direct | -10.75% | Disposed | 54.3% (price as of 2026-10-02) |
| Feb. 21, 2017 | IOSP | A | 438 | $70.60 | $30,923 | 12,224 Direct | +3.72% | Acquired | 38.0% (price as of 2026-10-02) |
| Feb. 21, 2017 | IOSP | A | 197 | $70.60 | $13,908 | 11,786 Direct | +1.70% | Acquired | 38.0% (price as of 2026-10-02) |
| Feb. 21, 2017 | IOSP | A | 2,855 | · | · | 11,589 Direct | +32.69% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2017 | IOSP | M | 1,196 | $46.03 | $55,052 | 8,734 Direct | -12.04% | Disposed | 111.6% (price as of 2026-10-02) |
| Feb. 17, 2017 | IOSP | M | 2,468 | · | · | 9,930 Direct | -19.91% | Disposed | (price as of 2026-10-02) |
| Feb. 17, 2017 | IOSP | S | 1,196 | $70.91 | $84,808 | 28,237 Direct | -4.06% | Disposed | 37.4% (price as of 2026-10-02) |
| Feb. 17, 2017 | IOSP | M | 1,196 | $46.03 | $55,052 | 29,433 Direct | +4.24% | Acquired | 111.6% (price as of 2026-10-02) |
| Feb. 17, 2017 | IOSP | S | 2,468 | $70.91 | $175,006 | 28,237 Direct | -8.04% | Disposed | 37.4% (price as of 2026-10-02) |
| Feb. 17, 2017 | IOSP | M | 2,468 | · | · | 30,705 Direct | +8.74% | Acquired | (price as of 2026-10-02) |
| Nov. 18, 2016 | IOSP | M | 554 | $41.31 | $22,886 | 13,220 Direct | -4.02% | Disposed | 135.8% (price as of 2026-10-02) |
| Nov. 18, 2016 | IOSP | M | 445 | $41.31 | $18,383 | 13,744 Direct | -3.14% | Disposed | 135.8% (price as of 2026-10-02) |
| Nov. 18, 2016 | IOSP | S | 554 | $63.15 | $34,985 | 28,237 Direct | -1.92% | Disposed | 54.3% (price as of 2026-10-02) |
| Nov. 18, 2016 | IOSP | M | 554 | $41.31 | $22,886 | 28,791 Direct | +1.96% | Acquired | 135.8% (price as of 2026-10-02) |
| Nov. 18, 2016 | IOSP | S | 445 | $63.15 | $28,102 | 28,237 Direct | -1.55% | Disposed | 54.3% (price as of 2026-10-02) |
| Nov. 18, 2016 | IOSP | M | 445 | $41.31 | $18,383 | 28,682 Direct | +1.58% | Acquired | 135.8% (price as of 2026-10-02) |
| March 2, 2016 | IOSP | S | 1,455 | $43.80 | $63,729 | 28,237 Direct | -4.90% | Disposed | 122.4% (price as of 2026-10-02) |
| March 2, 2016 | IOSP | F | 1,291 | $43.75 | $56,481 | 29,692 Direct | -4.17% | Disposed | 122.7% (price as of 2026-10-02) |
| March 2, 2016 | IOSP | M | 2,746 | · | · | 30,983 Direct | +9.72% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2016 | IOSP | A | 3,145 | · | · | 16,965 Direct | +22.76% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2016 | IOSP | A | 1,144 | $44.18 | $50,542 | 13,820 Direct | +9.02% | Acquired | 120.5% (price as of 2026-10-02) |
| May 11, 2015 | IOSP | S | 5,000 | $44.03 | $220,150 | 28,237 Direct | -15.04% | Disposed | 121.2% (price as of 2026-10-02) |
| Feb. 24, 2015 | IOSP | M | 3,784 | · | · | 12,676 Direct | -22.99% | Disposed | (price as of 2026-10-02) |
| Feb. 24, 2015 | IOSP | M | 419 | $29.56 | $12,386 | 16,460 Direct | -2.48% | Disposed | 229.5% (price as of 2026-10-02) |
| Feb. 24, 2015 | IOSP | M | 957 | $29.56 | $28,289 | 16,879 Direct | -5.37% | Disposed | 229.5% (price as of 2026-10-02) |
| Feb. 24, 2015 | IOSP | S | 3,670 | $43.90 | $161,113 | 33,237 Direct | -9.94% | Disposed | 121.9% (price as of 2026-10-02) |
| Feb. 20, 2013 | IOSP | M | 2,746 | · | · | 14,219 Direct | -16.19% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 231 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 11, 2021 | IOSP | Stock Option | Common Stock | $70.60 | Feb. 21, 2027 | 197 | Disposed |
| May 11, 2021 | IOSP | Stock Option | Common Stock | $70.60 | Feb. 21, 2027 | 438 | Disposed |
| May 11, 2021 | IOSP | Stock Option | Common Stock | $81.07 | Feb. 25, 2029 | 252 | Disposed |
| May 10, 2021 | IOSP | Stock Option | Common Stock | $81.07 | Feb. 25, 2029 | 51 | Disposed |
| May 10, 2021 | IOSP | Stock Option | Common Stock | $81.07 | Feb. 25, 2029 | 219 | Disposed |
| May 10, 2021 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 20, 2028 | 670 | Disposed |
| May 7, 2021 | IOSP | Stock Option | Common Stock | $68.20 | Feb. 20, 2028 | 775 | Disposed |
| May 7, 2021 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 20, 2028 | 1,539 | Disposed |
| May 7, 2021 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 24, 2030 | 954 | Disposed |
| May 7, 2021 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 25, 2029 | 1,696 | Disposed |
| Feb. 22, 2021 | IOSP | stock option | Common Stock | $0.00 | Feb. 22, 2024 | 194 | Acquired |
| Feb. 22, 2021 | IOSP | stock option | Common Stock | $99.85 | Feb. 22, 2031 | 582 | Acquired |
| Feb. 22, 2021 | IOSP | Stock Option | Common Stock | $99.85 | Feb. 22, 2031 | 582 | Acquired |
| June 2, 2020 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 21, 2027 | 2,855 | Disposed |
| Feb. 24, 2020 | IOSP | Stock Option | stock option | $95.70 | Feb. 24, 2030 | 290 | Acquired |
| Feb. 24, 2020 | IOSP | stock option | stock option | $0.00 | Feb. 24, 2023 | 2,454 | Acquired |
| Feb. 24, 2020 | IOSP | Stock Option | stock option | $95.70 | Feb. 24, 2030 | 255 | Acquired |
| Feb. 25, 2019 | IOSP | Stock Options (CSOP B) | Common Stock | $81.07 | Feb. 25, 2029 | 219 | Acquired |
| Feb. 25, 2019 | IOSP | Stock Options (CSOP A) | Common Stock | $81.07 | Feb. 25, 2029 | 303 | Acquired |
| Feb. 25, 2019 | IOSP | Stock Options (PRSOP) | Common Stock | $0.00 | Feb. 25, 2029 | 2,348 | Acquired |
| Feb. 22, 2019 | IOSP | Stock Options (CSOP B) | Common Stock | $44.18 | Feb. 22, 2026 | 1,144 | Disposed |
| Feb. 22, 2019 | IOSP | Stock Options (PRSOP) | Common Stock | $0.00 | Feb. 22, 2026 | 3,145 | Disposed |
| Feb. 26, 2018 | IOSP | Stock options | Common Stock | $43.95 | Feb. 23, 2025 | 531 | Disposed |
| Feb. 26, 2018 | IOSP | Stock options | Common Stock | $43.95 | Feb. 23, 2025 | 654 | Disposed |
| Feb. 26, 2018 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 23, 2025 | 2,608 | Disposed |
| Feb. 20, 2018 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 20, 2028 | 3,488 | Acquired |
| Feb. 20, 2018 | IOSP | Stock Option | Common Stock | $68.20 | Feb. 20, 2028 | 775 | Acquired |
| Nov. 28, 2017 | IOSP | Stock Option | Common Stock | $33.93 | May 15, 2018 | 881 | Disposed |
| Nov. 28, 2017 | IOSP | Stock Option | Common Stock | $33.93 | May 15, 2018 | 881 | Acquired |
| Feb. 21, 2017 | IOSP | Stock Options | Common Stock | $70.60 | Feb. 21, 2017 | 438 | Acquired |
| Feb. 21, 2017 | IOSP | Stock Options | Common Stock | $70.60 | Feb. 21, 2027 | 197 | Acquired |
| Feb. 21, 2017 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 21, 2027 | 2,855 | Acquired |
| Feb. 17, 2017 | IOSP | Stock Options | Common Stock | $46.03 | Feb. 14, 2024 | 1,196 | Disposed |
| Feb. 17, 2017 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 14, 2024 | 2,468 | Disposed |
| Nov. 18, 2016 | IOSP | Stock Options | Common Stock | $41.31 | Feb. 20, 2023 | 554 | Disposed |
| Nov. 18, 2016 | IOSP | Stock Options | Common Stock | $41.31 | Feb. 20, 2023 | 445 | Disposed |
| Feb. 22, 2016 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 22, 2026 | 3,145 | Acquired |
| Feb. 22, 2016 | IOSP | Stock Options | Common Stock | $44.18 | Feb. 22, 2026 | 1,144 | Acquired |
| Feb. 24, 2015 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 23, 2022 | 3,784 | Disposed |
| Feb. 24, 2015 | IOSP | Stock Options | Common Stock | $29.56 | Feb. 23, 2022 | 419 | Disposed |
| Feb. 24, 2015 | IOSP | Stock Options | Common Stock | $29.56 | Feb. 23, 2022 | 957 | Disposed |
| Feb. 23, 2015 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 23, 2025 | 3,260 | Acquired |
| Feb. 23, 2015 | IOSP | Stock Options | Common Stock | $43.95 | Feb. 23, 2025 | 531 | Acquired |
| Feb. 23, 2015 | IOSP | Stock Options | Common Stock | $43.95 | Feb. 23, 2025 | 654 | Acquired |
| Feb. 25, 2014 | IOSP | Stock Options (Co-Invest) | Common Stock | $0.00 | Feb. 24, 2021 | 678 | Disposed |
| Feb. 14, 2014 | IOSP | Stock Options (PRSOP) | Common Stock | $0.00 | Feb. 14, 2024 | 3,290 | Acquired |
| Feb. 14, 2014 | IOSP | Stock Options (CSOP B) | Common Stock | $46.03 | Feb. 14, 2024 | 1,196 | Acquired |
| Dec. 17, 2013 | IOSP | STOCK OPTIONS | COMMON STOCK | $11.73 | May 31, 2014 | 1,248 | Disposed |
| Dec. 17, 2013 | IOSP | STOCK OPTIONS [F1] | COMMON STOCK | $11.73 | May 31, 2014 | 1,248 | Acquired |
| May 9, 2013 | IOSP | Stock Options | Common Stock | $0.00 | March 17, 2020 | 8,026 | Disposed |
| May 9, 2013 | IOSP | Stock Options | Common Stock | $10.38 | March 17, 2020 | 1,949 | Disposed |
| May 9, 2013 | IOSP | Stock Options | Common Stock | $27.08 | Feb. 21, 2017 | 1,272 | Disposed |
| May 9, 2013 | IOSP | Stock Options | Common Stock | $27.08 | Feb. 21, 2017 | 2 | Disposed |
| Feb. 26, 2013 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 25, 2020 | 1,845 | Disposed |
| Feb. 20, 2013 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 20, 2023 | 2,746 | Disposed |
| Feb. 20, 2013 | IOSP | Stock Options (PRSOP) | Common Stock | $0.00 | Feb. 20, 2023 | 2,746 | Acquired |
| Feb. 20, 2013 | IOSP | Stock Options (CSOP B) | Common Stock | $41.31 | Feb. 20, 2023 | 554 | Acquired |
| Feb. 20, 2013 | IOSP | Stock Options (CSOP A) | Common Stock | $41.31 | Feb. 20, 2023 | 445 | Acquired |
| Feb. 20, 2013 | IOSP | Stock Options (PRSOP) | Common Stock | $41.31 | Feb. 20, 2023 | 2,746 | Acquired |
| Feb. 20, 2013 | IOSP | Stock Options (CSOP B) | Common Stock | $41.31 | Feb. 20, 2023 | 554 | Acquired |
| Feb. 20, 2013 | IOSP | Stock Options (CSOP A) | Common Stock | $41.31 | Feb. 20, 2023 | 445 | Acquired |
| Feb. 19, 2013 | IOSP | Stock Options (CSOP A) | Common stock | $10.38 | Feb. 17, 2020 | 149 | Disposed |
| Aug. 13, 2012 | IOSP | Stock Option | CommonStock | $4.62 | March 24, 2019 | 3,468 | Disposed |
| May 11, 2012 | IOSP | Stock Options | Common Stock | $0.00 | March 24, 2019 | 9,536 | Disposed |
| Feb. 23, 2012 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 23, 2022 | 3,784 | Acquired |
| Feb. 23, 2012 | IOSP | Stock Options | Common Stock | $29.56 | Feb. 23, 2022 | 419 | Acquired |
| Feb. 23, 2012 | IOSP | Stock Options | Common Stock | $29.56 | Feb. 23, 2022 | 957 | Acquired |
| March 14, 2011 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 13, 2016 | 8,820 | Disposed |
| March 14, 2011 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 13, 2016 | 8,820 | Disposed |
| March 2, 2011 | IOSP | Stock Options | Common Stock | $20.23 | Feb. 20, 2018 | 1,659 | Disposed |
| March 2, 2011 | IOSP | Stock Options | Common Stock | $20.23 | Feb. 20, 2018 | 1,268 | Disposed |
| March 1, 2011 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 20, 2018 | 8,049 | Disposed |
| March 1, 2011 | IOSP | Stock Options | Common Stock | $0.00 | March 1, 2018 | 1,200 | Disposed |
| Feb. 25, 2011 | IOSP | Options | Common Stock | $0.00 | Feb. 25, 2021 | 678 | Acquired |
| Nov. 11, 2010 | IOSP | Options | Common Stock | $9.96 | Feb. 13, 2017 | 2,108 | Disposed |
| Nov. 11, 2010 | IOSP | Options | Common Stock | $9.96 | Feb. 13, 2017 | 832 | Disposed |
| March 12, 2010 | IOSP | Options | Common Stock | $0.00 | March 12, 2017 | 200 | Disposed |
| March 5, 2010 | IOSP | Options | Common Stock | $0.00 | March 5, 2017 | 354 | Disposed |
| Feb. 25, 2010 | IOSP | Options | Common Stock | $0.00 | Feb. 25, 2020 | 1,845 | Acquired |
| Feb. 17, 2010 | IOSP | Options | Common Stock | $0.00 | Feb. 17, 2020 | 8,026 | Acquired |
| Feb. 17, 2010 | IOSP | Options | Common Stock | $10.38 | Feb. 17, 2020 | 1,949 | Acquired |
| Feb. 17, 2010 | IOSP | Options | Common Stock | $10.38 | Feb. 17, 2020 | 149 | Acquired |
| March 24, 2009 | IOSP | Options | Common Stock | $0.00 | March 24, 2019 | 9,536 | Acquired |
| March 24, 2009 | IOSP | Options | Common Stock | $4.62 | March 24, 2019 | 3,468 | Acquired |
| March 2, 2009 | IOSP | Options | Common Stock | $0.00 | Feb. 28, 2016 | 700 | Disposed |
| Aug. 29, 2008 | IOSP | Options | Common Stock | $9.88 | May 18, 2015 | 2,260 | Disposed |
| May 8, 2008 | IOSP | Options | Common Stock | $7.91 | Oct. 31, 2008 | 1,330 | Disposed |
| May 8, 2008 | IOSP | Options | Common Stock | $7.91 | Oct. 31, 2008 | 1,330 | Disposed |
| May 8, 2008 | IOSP | Options | Common Stock | $4.27 | Oct. 31, 2008 | 1,330 | Disposed |
| May 8, 2008 | IOSP | Options | Common Stock | $4.27 | Oct. 31, 2008 | 1,330 | Disposed |
| March 11, 2008 | IOSP | Options | Common Stock | $0.00 | Feb. 18, 2015 | 6,800 | Disposed |
| March 6, 2008 | IOSP | Options | Common Stock | $0.00 | March 4, 2015 | 612 | Disposed |
| March 1, 2008 | IOSP | Options | Common Stock | $0.00 | March 1, 2018 | 1,200 | Acquired |
| Feb. 20, 2008 | IOSP | Options | Common Stock | $0.00 | Feb. 20, 2018 | 8,049 | Disposed |
| Feb. 20, 2008 | IOSP | Options | Common Stock | $20.23 | Feb. 20, 2018 | 1,659 | Disposed |
| Feb. 20, 2008 | IOSP | Options | Common Stock | $20.23 | Feb. 20, 2018 | 1,268 | Disposed |
| May 30, 2007 | IOSP | Options | Common Stock | $23.00 | May 12, 2014 | 1,000 | Disposed |
| May 14, 2007 | IOSP | Options | Common Stock | $0.00 | May 12, 2014 | 2,750 | Disposed |
| May 8, 2007 | IOSP | Options | Common Stock | $0.00 | March 31, 2013 | 18,000 | Disposed |
| March 12, 2007 | IOSP | Options | Common Stock | $0.00 | March 12, 2017 | 100 | Acquired |
Showing latest 100 of 113 transactions
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 |
|---|---|---|---|---|
| Nov. 18, 2003 | IOSP | OPTIONS | 18,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2008 | $237,870 | · | · | · | $84,285 | $112,433 | $57,971 | $645,837 |
| 2007 | $242,607 | · | · | · | $224,500 | $36,366 | $64,322 | $655,594 |
| 2006 | $214,082 | · | · | · | $129,478 | $42,016 | $56,260 | $559,481 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.