OLNHIGH SIGNALFINANCIAL10-K

Olin experienced a dramatic collapse in operating profitability with operating income falling to near-zero levels while gross margins compressed significantly.

The company's operating income effectively disappeared, indicating severe operational distress or potentially one-time charges that decimated profitability. Combined with the substantial reduction in share buybacks, this suggests management is conserving cash amid challenging operating conditions and may signal fundamental deterioration in the business environment for chemical manufacturers.

Comparing 2026-02-20 vs 2025-02-20View on EDGAR →
FINANCIAL ANALYSIS

Olin's financial performance deteriorated sharply, with operating income collapsing from $296.5M to just $5.3M while gross profit declined meaningfully by 32% to $501.5M. SG&A expenses rose modestly to $463.3M, compounding the margin pressure. The company also dramatically reduced share buybacks from $300.3M to $50.5M, indicating a shift toward cash preservation amid the challenging operating environment.

FINANCIAL STATEMENT CHANGES
Operating Income
P&L
-98.2%
$296.5M$5.3M

Operating income deteriorated sharply — investigate whether driven by one-time charges or structural cost issues.

Share Buybacks
Cash Flow
-83.2%
$300.3M$50.5M

Buyback activity reduced 83.2% — capital being redeployed elsewhere or cash conservation underway.

Gross Profit
P&L
-32%
$737.5M$501.5M

Gross margin compression — rising input costs, pricing pressure, or unfavorable product mix shift.

SG&A Expense
P&L
+13.4%
$408.5M$463.3M

SG&A increased modestly — likely reflects growth-related hiring or sales expansion investment.

LANGUAGE CHANGES
NEW — 2026-02-20
PRIOR — 2025-02-20
ADDED
As of January 31, 2026, 113,636,799 shares of the registrant s common stock were outstanding.
BUSINESS GENERAL Olin Corporation (Olin, the Company, we or our) is a Virginia corporation, incorporated in 1892, having its principal executive offices in Clayton, MO.
The Chlor Alkali Products and Vinyls segment manufactures and sells chlorine and caustic soda, ethylene dichloride (EDC) and vinyl chloride monomer (VCM), methyl chloride, methylene chloride, chloroform, carbon tetrachloride, perchloroethylene, hydrochloric acid, hydrogen, bleach products and potassium hydroxide, which represented 54% of 2025 sales.
The Winchester segment produces and sells sporting ammunition, reloading components, small caliber military ammunition and components, industrial cartridges and clay targets, along with contracted U.S.
military project revenue, which represented 26% of 2025 sales.
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REMOVED
As of January 31, 2025, 115,423,860 shares of the registrant s common stock were outstanding.
BUSINESS GENERAL Olin Corporation (Olin) is a Virginia corporation, incorporated in 1892, having its principal executive offices in Clayton, MO.
The Chlor Alkali Products and Vinyls segment manufactures and sells chlorine and caustic soda, ethylene dichloride and vinyl chloride monomer, methyl chloride, methylene chloride, chloroform, carbon tetrachloride, perchloroethylene, hydrochloric acid, hydrogen, bleach products and potassium hydroxide, which represented 55% of 2024 sales.
The Winchester segment produces and sells sporting ammunition, reloading components, small caliber military ammunition and components, industrial cartridges and clay targets, which represented 25% of 2024 sales.
A significant portion of chlorine production is consumed in the manufacturing of vinyls intermediates, ethylene dichloride (EDC) and vinyl chloride monomer (VCM), both of which our Chlor Alkali Products and Vinyls segment produces.
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