Robert I Paller
Insider
First SEC filing: Nov. 13, 2009 · Latest: Nov. 13, 2009
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 26, 2024 | IOSP | A | 782 | · | · | 14,343 Direct | +5.77% | Acquired | (price as of 2026-10-06) |
| Nov. 10, 2023 | IOSP | M | 977 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 10, 2023 | IOSP | F | 447 | $100.54 | $44,941 | 11,681 Direct | -3.69% | Disposed | -2.9% (price as of 2026-10-06) |
| Nov. 10, 2023 | IOSP | M | 977 | $46.03 | $44,971 | 12,128 Direct | +8.76% | Acquired | 112.1% (price as of 2026-10-06) |
| Feb. 27, 2023 | IOSP | A | 297 | · | · | 297 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2023 | IOSP | A | 594 | · | · | 11,151 Direct | +5.63% | Acquired | (price as of 2026-10-06) |
| Nov. 17, 2022 | IOSP | M | 1,089 | $41.31 | $44,987 | 0 Direct | -100.00% | Disposed | 136.3% (price as of 2026-10-06) |
| Nov. 17, 2022 | IOSP | F | 411 | $109.37 | $44,951 | 15,239 Direct | -2.63% | Disposed | -10.8% (price as of 2026-10-06) |
| Nov. 17, 2022 | IOSP | M | 1,089 | $41.31 | $44,987 | 15,650 Direct | +7.48% | Acquired | 136.3% (price as of 2026-10-06) |
| March 11, 2022 | IOSP | M | 293 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 11, 2022 | IOSP | M | 293 | · | · | 14,561 Direct | +2.05% | Acquired | (price as of 2026-10-06) |
| Feb. 25, 2022 | IOSP | M | 740 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 25, 2022 | IOSP | M | 740 | · | · | 14,268 Direct | +5.47% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2022 | IOSP | A | 652 | · | · | 13,528 Direct | +5.06% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2022 | IOSP | A | 326 | · | · | 326 Direct | · | Acquired | (price as of 2026-10-06) |
| Nov. 9, 2021 | IOSP | M | 1,522 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 9, 2021 | IOSP | F | 485 | $92.81 | $45,013 | 12,876 Direct | -3.63% | Disposed | 5.2% (price as of 2026-10-06) |
| Nov. 9, 2021 | IOSP | M | 1,552 | $29.56 | $45,877 | 13,361 Direct | +13.14% | Acquired | 230.2% (price as of 2026-10-06) |
| March 1, 2021 | IOSP | M | 283 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2021 | IOSP | M | 283 | · | · | 11,809 Direct | +2.46% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | IOSP | A | 601 | · | · | 601 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | IOSP | A | 300 | · | · | 300 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | IOSP | A | 300 | · | · | 300 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | IOSP | A | 601 | · | · | 12,127 Direct | +5.21% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2021 | IOSP | M | 1,660 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 19, 2021 | IOSP | F | 462 | $97.37 | $44,985 | 11,526 Direct | -3.85% | Disposed | 0.2% (price as of 2026-10-06) |
| Feb. 19, 2021 | IOSP | M | 1,660 | $27.11 | $45,003 | 11,988 Direct | +16.07% | Acquired | 260.1% (price as of 2026-10-06) |
| Feb. 24, 2020 | IOSP | A | 627 | · | · | 627 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 24, 2020 | IOSP | A | 313 | · | · | 313 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 24, 2020 | IOSP | M | 3,673 | $12.24 | $44,958 | 0 Direct | · | Acquired | 697.5% (price as of 2026-10-06) |
| Feb. 24, 2020 | IOSP | S | 1,730 | $91.75 | $158,728 | 10,328 Direct | -14.35% | Disposed | 6.4% (price as of 2026-10-06) |
| Feb. 24, 2020 | IOSP | M | 3,673 | $12.24 | $44,958 | 12,058 Direct | +43.80% | Acquired | 697.5% (price as of 2026-10-06) |
| March 21, 2019 | IOSP | M | 441 | · | · | 14,402 Direct | +3.16% | Acquired | (price as of 2026-10-06) |
| March 21, 2019 | IOSP | F | 181 | $82.37 | $14,909 | 8,385 Direct | -2.11% | Disposed | 18.5% (price as of 2026-10-06) |
| March 21, 2019 | IOSP | M | 441 | · | · | 8,566 Direct | +5.43% | Acquired | (price as of 2026-10-06) |
| Feb. 25, 2019 | IOSP | A | 370 | $81.07 | $29,996 | 14,843 Direct | +2.56% | Acquired | 20.4% (price as of 2026-10-06) |
| Feb. 25, 2019 | IOSP | A | 740 | · | · | 14,473 Direct | +5.39% | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2018 | IOSP | M | 444 | · | · | 13,733 Direct | -3.13% | Disposed | (price as of 2026-10-06) |
| Feb. 27, 2018 | IOSP | A | 444 | · | · | 14,177 Direct | +3.23% | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2018 | IOSP | M | 444 | · | · | 8,125 Direct | +5.78% | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2018 | IOSP | A | 880 | $68.20 | $60,016 | 14,177 Direct | +6.62% | Acquired | 43.1% (price as of 2026-10-06) |
| Feb. 20, 2018 | IOSP | A | 293 | · | · | 13,297 Direct | +2.25% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2017 | IOSP | A | 283 | · | · | 13,004 Direct | +2.22% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2017 | IOSP | A | 850 | $70.60 | $60,010 | 12,721 Direct | +7.16% | Acquired | 38.3% (price as of 2026-10-06) |
| May 9, 2016 | IOSP | M | 1,000 | · | · | 11,871 Direct | -7.77% | Disposed | (price as of 2026-10-06) |
| May 9, 2016 | IOSP | M | 1,000 | · | · | 7,681 Direct | +14.97% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2016 | IOSP | A | 441 | · | · | 12,871 Direct | +3.55% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2016 | IOSP | A | 1,030 | $44.18 | $45,505 | 12,430 Direct | +9.04% | Acquired | 120.9% (price as of 2026-10-06) |
| Feb. 23, 2015 | IOSP | A | 444 | · | · | 11,512 Direct | +4.01% | Acquired | (price as of 2026-10-06) |
| Feb. 23, 2015 | IOSP | A | 1,035 | $43.95 | $45,488 | 11,068 Direct | +10.32% | Acquired | 122.1% (price as of 2026-10-06) |
| Feb. 14, 2014 | IOSP | A | 1,089 | $46.03 | $50,127 | 10,033 Direct | +12.18% | Acquired | 112.1% (price as of 2026-10-06) |
| July 5, 2013 | IOSP | J | 559 | $40.18 | $22,461 | 6,681 Direct | +9.13% | Acquired | 142.9% (price as of 2026-10-06) |
| Feb. 20, 2013 | IOSP | A | 1,089 | $41.31 | $44,987 | 8,944 Direct | +13.86% | Acquired | 136.3% (price as of 2026-10-06) |
| July 6, 2012 | IOSP | J | 759 | $29.61 | $22,474 | 6,122 Direct | +14.15% | Acquired | 229.7% (price as of 2026-10-06) |
| July 6, 2012 | IOSP | J | 759 | $26.01 | $19,742 | 6,122 Direct | +14.15% | Acquired | 275.3% (price as of 2026-10-06) |
| Feb. 23, 2012 | IOSP | A | 1,522 | $29.56 | $44,990 | 7,855 Direct | +24.03% | Acquired | 230.2% (price as of 2026-10-06) |
| July 6, 2011 | IOSP | J | 297 | $33.61 | $9,982 | 5,363 Direct | +5.86% | Acquired | 190.4% (price as of 2026-10-06) |
| Feb. 22, 2011 | IOSP | A | 1,660 | $27.11 | $45,003 | 6,333 Direct | +35.52% | Acquired | 260.1% (price as of 2026-10-06) |
| Aug. 5, 2010 | IOSP | P | 2,000 | $12.40 | $24,800 | 5,066 Direct | +65.23% | Acquired | 687.2% (price as of 2026-10-06) |
| July 2, 2010 | IOSP | J | 1,066 | $9.38 | $9,999 | 3,066 Direct | +53.30% | Acquired | 940.6% (price as of 2026-10-06) |
| May 24, 2010 | IOSP | A | 1,000 | · | · | 4,673 Direct | +27.23% | Acquired | (price as of 2026-10-06) |
| May 24, 2010 | IOSP | A | 3,673 | $12.25 | $44,994 | 3,673 Direct | · | Acquired | 696.8% (price as of 2026-10-06) |
| March 31, 2010 | IOSP | P | 2,000 | $11.56 | $23,120 | 2,000 Direct | · | Acquired | 744.4% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 10, 2023 | IOSP | Stock Option | Common Stock | $46.03 | Feb. 14, 2024 | 977 | Disposed |
| Feb. 27, 2023 | IOSP | Stock Option | Common Stock | $109.42 | Feb. 27, 2033 | 297 | Acquired |
| Nov. 17, 2022 | IOSP | Stock Option | Common Stock | $41.31 | Feb. 20, 2023 | 1,089 | Disposed |
| March 11, 2022 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 20, 2028 | 293 | Disposed |
| Feb. 25, 2022 | IOSP | Common Stock | Common Stock | $0.00 | Feb. 25, 2029 | 740 | Disposed |
| Feb. 21, 2022 | IOSP | Stock Option | Common Stock | $99.68 | Feb. 21, 2032 | 326 | Acquired |
| Nov. 9, 2021 | IOSP | Stock Option | Common Stock | $29.56 | Feb. 12, 2022 | 1,522 | Disposed |
| March 1, 2021 | IOSP | Stock Option | Common Stock | $0.00 | March 21, 2021 | 283 | Disposed |
| Feb. 22, 2021 | IOSP | stock option | Common Stock | $0.00 | Feb. 22, 2024 | 601 | Acquired |
| Feb. 22, 2021 | IOSP | stock option | Common Stock | $99.85 | Feb. 22, 2031 | 300 | Acquired |
| Feb. 22, 2021 | IOSP | Stock Option | Common Stock | $99.85 | Feb. 22, 2031 | 300 | Acquired |
| Feb. 19, 2021 | IOSP | Stock Option | Common Stock | $27.11 | Feb. 22, 2021 | 1,660 | Disposed |
| Feb. 24, 2020 | IOSP | stock option | stock option | $0.00 | Feb. 24, 2023 | 627 | Acquired |
| Feb. 24, 2020 | IOSP | Stock Option | stock option | $95.70 | Feb. 24, 2030 | 313 | Acquired |
| Feb. 24, 2020 | IOSP | Stock Option | Common Stock | $12.24 | May 24, 2020 | 3,673 | Acquired |
| March 21, 2019 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 22, 2025 | 441 | Acquired |
| Feb. 25, 2019 | IOSP | Stock Options | Common Stock | $81.07 | Feb. 25, 2029 | 370 | Acquired |
| Feb. 25, 2019 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 25, 2029 | 740 | Acquired |
| Feb. 27, 2018 | IOSP | Stock Options | common Stock | $0.00 | Feb. 23, 2025 | 444 | Disposed |
| Feb. 27, 2018 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 23, 2025 | 444 | Acquired |
| Feb. 20, 2018 | IOSP | Stock Option | Common Stock | $68.20 | Feb. 20, 2028 | 880 | Acquired |
| Feb. 20, 2018 | IOSP | Stock Option | Common Stock | $0.00 | Feb. 20, 2028 | 293 | Acquired |
| Feb. 21, 2017 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 21, 2027 | 283 | Acquired |
| Feb. 21, 2017 | IOSP | Stock Options | Common Stock | $70.60 | Feb. 21, 2027 | 850 | Acquired |
| May 9, 2016 | IOSP | Stock Options | Common Stock | $0.00 | May 24, 2020 | 1,000 | Disposed |
| Feb. 22, 2016 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 22, 2026 | 441 | Acquired |
| Feb. 22, 2016 | IOSP | Stock Options | Common Stock | $44.18 | Feb. 22, 2026 | 1,030 | Acquired |
| Feb. 23, 2015 | IOSP | Stock Options | Common Stock | $0.00 | Feb. 23, 2025 | 444 | Acquired |
| Feb. 23, 2015 | IOSP | Stock Options | Common Stock | $43.95 | Feb. 23, 2025 | 1,035 | Acquired |
| Feb. 14, 2014 | IOSP | Stock Options (NEDSOP) | Common Stock | $46.03 | Feb. 14, 2024 | 1,089 | Acquired |
| Feb. 20, 2013 | IOSP | Stock Options (NEDSOP) | Common Stock | $41.31 | Feb. 20, 2023 | 1,089 | Acquired |
| Feb. 23, 2012 | IOSP | Stock Options | Common Stock | $29.56 | Feb. 23, 2022 | 1,522 | Acquired |
| Feb. 22, 2011 | IOSP | Options | Common Stock | $27.11 | Feb. 22, 2021 | 1,660 | Acquired |
| May 24, 2010 | IOSP | Options | Common Stock | $0.00 | May 24, 2020 | 1,000 | Acquired |
| May 24, 2010 | IOSP | Options | Common Stock | $12.25 | May 24, 2020 | 3,673 | 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 |
|---|---|---|---|---|
| Nov. 13, 2009 | IOSP | Common Stock | 0 | Direct |