Sumner R Nichole 4

What Happened

• Sumner R. Nichole, Vice President & Controller of Olin Corporation, exercised options to acquire 4,750 shares at $13.14 per share (cost $62,415) and immediately sold those 4,750 shares in the open market at a weighted-average price of $22.49 per share for total proceeds of $106,846. The net proceeds from the transactions are approximately $44,431.
• The exercise and sale occurred on February 3, 2026; the filing was submitted to the SEC on February 5, 2026.

Key Details

• Transaction date: 2026-02-03.
• Option exercise: 4,750 shares @ $13.14 = $62,415 (coded M for exercise/conversion).
• Sale: 4,750 shares @ weighted avg $22.49 = $106,846 (prices in range $22.48–$22.52 per footnote).
• Net proceeds: ≈ $44,431 (sale proceeds minus exercise cost).
• Shares owned after the transactions: not specified in the filing.
• Footnotes: F1 notes the sale price is a weighted average with a $22.48–$22.52 range; F2 references shares held in the company retirement savings plan as reported by the plan administrator; F3 states the option vested in three equal installments in 2017–2019.
• Filing timing: Form 4 lists the report period as Feb 3, 2026 and was filed Feb 5, 2026 (appears timely).

Context

• This was effectively a cashless exercise: the insider exercised vested options and immediately sold the acquired shares, a common way for executives to realize gains or cover tax/option costs.
• Because the shares were sold immediately, the transactions reflect liquidity rather than a long-term buy/sell signal; they are factual disclosures and do not by themselves indicate management’s view of the company’s prospects.