Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 15 non-open-market transactions below last 12 months, based on the transactions shown below

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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 1, 2026 OLN M 1,250 · · 2,500 Direct -33.33% Disposed (price as of 2026-10-05)
June 1, 2026 OLN F 492 $25.67 $12,630 7,949 Direct -5.83% Disposed -37.7% (price as of 2026-10-05)
June 1, 2026 OLN M 1,250 · · 8,441 Direct +17.38% Acquired (price as of 2026-10-05)
May 15, 2026 OLN M 2,500 · · 8,010 Direct +45.37% Acquired (price as of 2026-10-05)
May 15, 2026 OLN F 819 $27.07 $22,170 7,191 Direct -10.22% Disposed -40.9% (price as of 2026-10-05)
May 15, 2026 OLN M 2,500 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Feb. 20, 2026 OLN M 6,035 · · 6,980 Direct +638.62% Acquired (price as of 2026-10-05)
Feb. 20, 2026 OLN F 1,470 $24.09 $35,412 5,510 Direct -21.06% Disposed -33.6% (price as of 2026-10-05)
Feb. 20, 2026 OLN M 6,035 · · 12,068 Direct -33.34% Disposed (price as of 2026-10-05)
Feb. 18, 2026 OLN A 20,009 · · 20,009 Direct · Acquired (price as of 2026-10-05)
June 1, 2025 OLN M 1,250 · · 3,750 Direct -25.00% Disposed (price as of 2026-10-05)
June 1, 2025 OLN F 305 $19.63 $5,987 945 Direct -24.40% Disposed -18.5% (price as of 2026-10-05)
June 1, 2025 OLN M 1,250 · · 1,250 Direct · Acquired (price as of 2026-10-05)
Feb. 20, 2025 OLN A 18,103 · · 18,103 Direct · Acquired (price as of 2026-10-05)
June 1, 2024 OLN A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 1, 2026 OLN Restricted Stock Units Common Stock (1,250) · · 1,250 Disposed
May 15, 2026 OLN Restricted Stock Units Common Stock (2,500) · · 2,500 Disposed
Feb. 20, 2026 OLN Restricted Stock Units Common Stock (6,035) · · 6,035 Disposed
Feb. 18, 2026 OLN Restricted Stock Units Common Stock (20,009) · · 20,009 Acquired
June 1, 2025 OLN Restricted Stock Units Common Stock (1,250) · · 1,250 Disposed
Feb. 20, 2025 OLN Restricted Stock Units Common Stock (18,103) · · 18,103 Acquired
June 1, 2024 OLN Restricted Stock Units Common Stock (5,000) · · 5,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
May 6, 2024 OLN Employee Stock Options (Right to Buy)→ Common Stock (12,413) 12,413 Direct
May 6, 2024 OLN Restricted Stock Units→ Common Stock (2,500) 2,500 Direct
May 6, 2024 OLN Restricted Stock Units→ Common Stock (2,500) 2,500 Direct