S-4/A ·Filed Jul 10, 2026

OLN

OLIN Corp
NEUTRAL
Impact 4/10
Horizonmonths Processed2mo ago SEC0001193125-26-300198
Notable filing: S-4/A
Actionable Insight • Neutral

Monitor the shareholder vote results on August 25, 2026, and any regulatory developments. The merger is expected to close in first half 2027, so the stock will likely trade on merger-arbitrage dynamics until then. Watch for any material changes in Olin or Huntsman operating performance or regulatory conditions that could affect the completion timeline.

DirectionNeutral
Confidencehigh
Horizonmonths
Latest settled — T+20d
OLN ▼ -10.11% at T+20d
NEUTRAL call ✗ call lost -10.11% · α vs SPY -12.53% · entry $20.68 → $18.59
Next anchor: T+60d in 3d
Latest observation: T+56 +12.91% FF3 residual α
Entry anchored
Jul 10, 04:56 AM ET
via exchange tick
T+1d
+1.61%
call +1.61% · α +2.39%
$21.01
settled 3mo ago
T+5d
+6.29%
call +6.29% · α +6.85%
$21.98
settled 3mo ago
T+20d
-10.11%
call -10.11% · α -12.53%
$18.59
settled 8w ago
T+60d
—
call — · α —
—
in 3d

Price Chart

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Executive Summary

Olin filed Amendment No. 1 to its S-4 registration statement for the merger of equals with Huntsman Corporation. The filing advances the shareholder vote scheduled for August 25, 2026, and includes fairness opinions, tax opinions, and proxy materials. The merger consideration is fixed at 0.5476 Olin shares per Huntsman share, implying Olin shareholders will own ~54.5% and Huntsman stockholders ~45.5% of the combined company. The merger is expected to close in the first half of 2027.

Key Facts

  • Merger exchange ratio is 0.5476 shares of Olin common stock per share of Huntsman common stock.
  • Olin shareholders will own approximately 54.5% and Huntsman stockholders approximately 45.5% of the combined company on a fully diluted basis.
  • Special meetings of Olin shareholders and Huntsman stockholders are scheduled for August 25, 2026.
  • Both boards unanimously recommend approval of the merger proposals.
  • The merger is expected to close in the first half of 2027, subject to shareholder and regulatory approvals.
  • Olin's 2025 revenue was $6,780.8 million with a net loss of $(100.5) million; Huntsman's 2025 revenue was $5,683 million with a net loss of $(284) million.

Financial Impact

No new financial data in this filing. The merger is a stock-for-stock transaction; the implied value of the merger consideration per Huntsman share was approximately $11.06 based on the record date closing price of Olin stock.

Risk Factors

  • Risk that Olin shareholders or Huntsman stockholders do not approve the merger (Olin direct merger proposal requires >2/3 of outstanding shares).
  • Regulatory antitrust approvals may impose conditions or delay closing beyond the expected first half 2027 timeline.
  • Integration risks and potential failure to achieve the projected $300+ million in near-term cost synergies.

Market Snapshot

Exchange
NYSE
Sector
Chemicals & Allied Products
Analyst Consensus
28% bullish (18 analysts)

Investment Themes

Materials & Mining

Documents Analyzed

This report is based on 13 SEC documents filed with EDGAR.

DocumentAccession Number
S-4/A Filing (Primary)0001193125-26-300198
Document: d127943dex82.htm0001193125-26-300198
Document: d127943dex81.htm0001193125-26-300198
Document: d127943dex991.htm0001193125-26-300198
Document: d127943dex992.htm0001193125-26-300198
Document: d127943dex993.htm0001193125-26-300198
Document: d127943dex234.htm0001193125-26-300198
Document: d127943dex994.htm0001193125-26-300198
Document: d127943dex995.htm0001193125-26-300198
Document: d127943dex235.htm0001193125-26-300198
Document: 0001193125-26-300198-index-headers.html0001193125-26-300198
Document: 0001193125-26-300198-index.html0001193125-26-300198
Document: 0001193125-26-300198.txt0001193125-26-300198
11 reports for OLN
Performance horizon
25% Hit rate 1 of 4 directional calls best @ T+60▲ +28.22%Jun 11, 2026
Filters
Rows
Reports for OLN — sortable, filterable
TypeNow
Aug 25, 2026
5w ago
8-K
NEUTRAL ★ 5/10
$17.52 $16.26▼ −7.19%▼ −7.34%$15.90 (−9.25%)
Jul 14, 2026
11w ago
EFFECT
NEUTRAL ★ 4/10
$21.66 $19.08▼ −11.91%▼ −14.40%$15.90 (−26.59%)
Jul 10, 2026
12w ago
S-4/A
NEUTRAL ★ 4/10
$20.68 $18.59▼ −10.11%▼ −12.53%$15.90 (−23.11%)
Jul 2, 2026
13w ago
S-4
MIXED ★ 6/10
$20.04 $22.17▲ +10.63%▲ +11.04%$15.90 (−20.66%)
Jun 16, 2026
15w ago
425
BULLISH ★ 8/10
$23.00 $21.98▼ −4.43%▼ −5.75%$15.90 (−30.87%)
Jun 16, 2026
15w ago
8-K
BULLISH ★ 8/10
$23.00 $21.98▼ −4.43%▼ −5.75%$15.90 (−30.87%)
Jun 16, 2026
15w ago
8-K
BULLISH ★ 7/10
$23.81 $21.66▼ −9.03%▼ −9.23%$15.90 (−33.22%)
Jun 11, 2026
16w ago
Institutional Cluster
BEARISH ★ 5/10
$24.20 $20.19▲ +16.57%▲ +18.46%$15.90 (+34.30%)
Mar 20, 2026
28w ago
DEFA14A
NEUTRAL ★ 2/10
$23.63 $26.82▲ +13.50%▲ +4.18%$15.90 (−32.72%)
Feb 24, 2026
31w ago
Insider Cluster
NEUTRAL ★ 4/10
$24.27 $27.57▲ +13.60%▲ +18.58%$15.90 (−34.49%)
Showing 10 of 11

US Market Status

Market Closed — Opens Mon (39h 30m)

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