Form 4 for OLN OLIN Corp
Accepted 2026-02-24 00:00:00 ET · period of report 2026-02-20 · accession 0002058796-26-000006 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-02-24 | 2026-02-20 | OLN | Castle Angela M | VP, CLO | M - OptEx | — | +3,380 | 4,910 | +221% | — |
| D | 2026-02-24 | 2026-02-20 | OLN | Castle Angela M | VP, CLO | F - Tax | $24.09 | -1,003 | 3,907 | -20% | -$24.2K |
| D | 2026-02-24 | 2026-02-24 | OLN | Castle Angela M | VP, CLO | S - Sale+OE | $24.25 | -2,379 | 1,528 | -61% | -$57.7K |
| D | 2026-02-24 | 2026-02-20 | OLN | Castle Angela M | VP, CLO | M - OptEx | $0.00 | -3,380 | 6,758 | -33% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-02-20 | M | A | 3,380 | — | 4,910 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock. |
| 2 | Common | Common Stock | 2026-02-20 | F | D | 1,003 | $24.09 | 3,907 | D | — | — | |
| 3 | Common | Common Stock | 2026-02-24 | S | D | 2,379.26 | $24.25 | 1,527.74 | D | — | — | (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.22 to $24.3415, inclusive. The reporting person undertakes to provide to Olin Corporation, any security holder of Olin Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote 2 to this Form 4. |
| 4 | Derivative | Restricted Stock Units | 2026-02-20 | M | D | 3,380 | $0.00 | 6,758 | D | — · — to — | 3,380 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock. (F4) On February 20, 2025 the reporting person was granted 10,138 restricted stock units, 3,380 shares vested on February 20, 2026, 3,379 shares vest on February 20, 2027 and 3,379 shares vest on February 20, 2028. |