Corbin Barnes
CIK 1861656 · View on SEC EDGAR ↗
First SEC filing: Feb. 17, 2026 · Latest: Feb. 17, 2026
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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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 24, 2025 | IOSP | S | 598 | $103.06 | $61,630 | 8,051 Direct | -6.91% | Disposed | -8.1% (price as of 2026-08-19) |
| Feb. 21, 2025 | IOSP | S | 2,692 | $103.30 | $278,084 | 8,051 Direct | -25.06% | Disposed | -8.3% (price as of 2026-08-19) |
| Nov. 18, 2024 | IOSP | S | 307 | $117.52 | $36,079 | 8,051 Direct | -3.67% | Disposed | -19.4% (price as of 2026-08-19) |
| March 17, 2023 | IOSP | P | 400 | $99.75 | $39,900 | 1,847 Direct | +27.64% | Acquired | -5.1% (price as of 2026-08-19) |
| March 7, 2023 | IOSP | P | 1,250 | $106.00 | $132,500 | 1,447 Direct | +634.52% | Acquired | -10.7% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 24, 2025 | IOSP | Employee Stock Option | Common Stock (598) | $99.68 | Feb. 21, 2032 | 598 | Disposed |
| Feb. 21, 2025 | IOSP | Stock Appreciation Right | Common Stock (200) | $99.68 | Feb. 21, 2032 | 200 | Disposed |
| Feb. 27, 2023 | IOSP | Employee stock option (right to buy) | Common Stock (591) | $109.42 | Feb. 27, 2033 | 591 | Acquired |
| Feb. 21, 2022 | IOSP | Employee Stock Option | Common Stock (598) | $99.68 | Feb. 21, 2032 | 598 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).