Matthew S Darnall
CIK 1887503 · View on SEC EDGAR ↗
First SEC filing: Oct. 8, 2021 · Latest: May 5, 2025
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Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 1, 2025 | OLN | A | 13,751 | $21.77 | $299,359 | 32,187 Direct | +74.59% | Acquired | -13.6% (price as of 2026-08-20) |
| May 1, 2024 | OLN | A | 4,851 | $52.58 | $255,066 | 18,436 Direct | +35.71% | Acquired | -64.2% (price as of 2026-08-20) |
| Dec. 8, 2023 | OLN | A | 54 | $50.08 | $2,704 | 13,585 Direct | +0.40% | Acquired | -62.5% (price as of 2026-08-20) |
| Sept. 8, 2023 | OLN | A | 54 | $50.25 | $2,714 | 13,531 Direct | +0.40% | Acquired | -62.6% (price as of 2026-08-20) |
| June 9, 2023 | OLN | A | 52 | $51.37 | $2,671 | 13,477 Direct | +0.39% | Acquired | -63.4% (price as of 2026-08-20) |
| May 1, 2023 | OLN | A | 4,632 | $55.07 | $255,084 | 13,425 Direct | +52.68% | Acquired | -65.9% (price as of 2026-08-20) |
| March 13, 2023 | OLN | A | 34 | $51.91 | $1,765 | 8,793 Direct | +0.39% | Acquired | -63.8% (price as of 2026-08-20) |
| Dec. 9, 2022 | OLN | A | 32 | $54.38 | $1,740 | 8,759 Direct | +0.37% | Acquired | -65.4% (price as of 2026-08-20) |
| Sept. 9, 2022 | OLN | A | 32 | $55.19 | $1,766 | 8,727 Direct | +0.37% | Acquired | -65.9% (price as of 2026-08-20) |
| June 10, 2022 | OLN | A | 28 | $61.75 | $1,729 | 8,696 Direct | +0.32% | Acquired | -69.6% (price as of 2026-08-20) |
| May 2, 2022 | OLN | A | 4,376 | $58.95 | $257,965 | 8,667 Direct | +101.98% | Acquired | -68.1% (price as of 2026-08-20) |
| March 11, 2022 | OLN | A | 17 | $49.02 | $833 | 4,291 Direct | +0.40% | Acquired | -61.6% (price as of 2026-08-20) |
| Nov. 11, 2021 | OLN | A | 4,274 | $61.15 | $261,355 | 4,274 Direct | — | Acquired | -69.3% (price as of 2026-08-20) |
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 1, 2025 | OLN | Phantom Stock Units | Common Stock (13,751) | — | — | 13,751 | Acquired |
| May 1, 2024 | OLN | Phantom Stock Units [F1] | Common Stock (4,851) | — | — | 4,851 | Acquired |
| Dec. 8, 2023 | OLN | Phantom Stock Units [F1] | Common Stock (54) | — | — | 54 | Acquired |
| Sept. 8, 2023 | OLN | Phantom Stock Units [F1] | Common Stock (54) | — | — | 54 | Acquired |
| June 9, 2023 | OLN | Phantom Stock Units [F1] | Common Stock (52) | — | — | 52 | Acquired |
| May 1, 2023 | OLN | Phantom Stock Units [F1] | Common Stock (4,632) | — | — | 4,632 | Acquired |
| March 13, 2023 | OLN | Phantom Stock Units [F1] | Common Stock (34) | — | — | 34 | Acquired |
| Dec. 9, 2022 | OLN | Phantom Stock Units [F1] | Common Stock (32) | — | — | 32 | Acquired |
| Sept. 9, 2022 | OLN | Phantom Stock Units [F1] | Common Stock (32) | — | — | 32 | Acquired |
| June 10, 2022 | OLN | Phantom Stock Units [F1] | Common Stock (28) | — | — | 28 | Acquired |
| May 2, 2022 | OLN | Phantom Stock Units [F1] | Common Stock (4,376) | — | — | 4,376 | Acquired |
| March 11, 2022 | OLN | Phantom Stock Units [F1] | Common Stock (17) | — | — | 17 | Acquired |
| Nov. 11, 2021 | OLN | Phantom Stock Units [F1] | Phantom Stock Units (4,274) | — | — | 4,274 | 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 |
|---|---|---|---|---|
| Oct. 8, 2021 | OLN | Common Stock $1 par value | 0 | Direct |