Teresa M Vermillion
CIK 1729998 · View on SEC EDGAR ↗
First SEC filing: Feb. 9, 2018 · Latest: Aug. 15, 2025
On this page
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 13, 2025 | OLN | S | 6,000 | $21.11 | $126,660 | 17,199 Direct | -25.86% | Disposed | -11.2% (price as of 2026-08-21) |
| May 25, 2021 | OLN | S | 8,000 | $48.64 | $389,120 | 3,372 Direct | -70.35% | Disposed | -61.5% (price as of 2026-08-21) |
| Aug. 12, 2019 | OLN | P | 30 | $17.55 | $526 | 2,873 Direct | +1.06% | Acquired | 6.8% (price as of 2026-08-21) |
| Aug. 9, 2019 | OLN | P | 50 | $17.65 | $882 | 2,843 Direct | +1.79% | Acquired | 6.2% (price as of 2026-08-21) |
| Aug. 9, 2019 | OLN | P | 50 | $17.76 | $888 | 2,793 Direct | +1.82% | Acquired | 5.5% (price as of 2026-08-21) |
| Aug. 9, 2019 | OLN | P | 100 | $17.80 | $1,780 | 2,743 Direct | +3.78% | Acquired | 5.3% (price as of 2026-08-21) |
| Aug. 8, 2019 | OLN | P | 100 | $17.90 | $1,790 | 2,643 Direct | +3.93% | Acquired | 4.7% (price as of 2026-08-21) |
| Aug. 8, 2019 | OLN | P | 250 | $18.25 | $4,562 | 2,543 Direct | +10.90% | Acquired | 2.7% (price as of 2026-08-21) |
| Aug. 7, 2019 | OLN | P | 250 | $18.08 | $4,520 | 2,293 Direct | +12.24% | Acquired | 3.7% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 13, 2025 | OLN | Employee Stock Options (Right to Buy) | Common Stock (6,000) | $13.14 | Feb. 11, 2026 | 6,000 | Disposed |
| Feb. 20, 2025 | OLN | Restricted Stock Units | Common Stock (6,952) | — | — | 6,952 | Acquired |
| Feb. 22, 2024 | OLN | Employee Stock Options (Right to Buy) | Common Stock (8,896) | $52.29 | Feb. 22, 2034 | 8,896 | Acquired |
| Feb. 22, 2023 | OLN | Employee Stock Options (Right to Buy) | Common Stock (5,624) | $60.55 | Feb. 22, 2033 | 5,624 | Acquired |
| Jan. 2, 2023 | OLN | Restricted Stock Units | Common Stock (560) | — | — | 560 | Disposed |
| Feb. 22, 2022 | OLN | Employee Stock Options (Right to Buy) | Common Stock (7,200) | $49.71 | Feb. 22, 2032 | 7,200 | Acquired |
| May 25, 2021 | OLN | Employee Stock Options (Right to Buy) | Common Stock $1 par value (8,000) | $29.75 | Feb. 10, 2027 | 8,000 | Disposed |
| Feb. 15, 2021 | OLN | Employee Stock Options (Right to Buy) | Common Stock (12,800) | $28.99 | Feb. 15, 2031 | 12,800 | Acquired |
| Feb. 18, 2020 | OLN | Employee Stock Options (Right to Buy) | Common Stock (29,500) | $17.33 | Feb. 18, 2030 | 29,500 | Acquired |
| Jan. 2, 2020 | OLN | Restricted Stock Units | Common Stock (560) | — | — | 560 | Acquired |
| May 6, 2019 | OLN | Phantom Stock Units | Common Stock (448) | — | — | 448 | Acquired |
| Feb. 19, 2019 | OLN | Employee Stock Options (Right to Buy) | Common Stock (16,900) | $26.26 | Feb. 19, 2029 | 16,900 | Acquired |
| Feb. 16, 2018 | OLN | Employee Stock Options (Right to Buy) | Common Stock (8,000) | $32.94 | Feb. 16, 2028 | 8,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 9, 2018 | OLN | Common Stock $1 par value | 1,952 | Direct |
| Feb. 9, 2018 | OLN | Common Stock $1 par value | 115 | Indirect |
| Feb. 9, 2018 | OLN | Employee Stock Option (Right to Buy)→ Common Stock (10,500) | 10,500 | Direct |
| Feb. 9, 2018 | OLN | Employee Stock Option (Right to Buy)→ Common Stock (8,000) | 8,000 | Direct |