425 ·Filed Jul 13, 2026

HUN

Huntsman CORP
NEUTRAL
Impact 5/10
Horizonmonths Processed2mo ago SEC0001193125-26-301529
Rule 425 M&A communications
Actionable Insight • Neutral

This filing provides granular detail on the $400M+ synergy target but no new financials or deal term changes. The S-4 registration statement has been filed and amended, indicating the deal is progressing toward shareholder votes. Monitor for the effective date of the S-4 and the mailing of the joint proxy statement/prospectus, which will trigger the shareholder vote timeline. The deal spread may tighten as regulatory and shareholder approval milestones approach.

DirectionNeutral
Confidencehigh
Horizonmonths
Latest settled — T+20d ⚠ clustered
HUN ▼ -10.77% at T+20d
NEUTRAL call ✗ call lost -10.77% · α vs SPY -13.95% · entry $11.61 → $10.36
Next anchor: T+60d in 4d
Latest observation: T+54 +2.93% FF3 residual α
Entry anchored
Jul 13, 08:56 AM ET
via exchange tick
T+1d
+2.58%
call +2.58% · α +2.23%
$11.91
settled 3mo ago
T+5d
+1.55%
call +1.55% · α +2.34%
$11.79
settled 2mo ago
T+20d
-10.77%
call -10.77% · α -13.95%
$10.36
settled 8w ago
T+60d
—
call — · α —
—
in 4d

Price Chart

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Executive Summary

Olin Corp and Huntsman Corp filed a supplemental IR FAQ on July 13, 2026, detailing the $400M+ cost synergy and integration benefits from their proposed all-stock merger of equals. The filing breaks down $300M+ in near-term synergies (90% within 24 months) and $100M+ in additional raw material integration benefits from 2031, plus ~$125M in cash tax benefits from NOL optimization. No changes to deal terms or timeline were disclosed; the transaction is expected to close in the first half of 2027.

Key Financial Metrics

Deal Type
merger

Key Facts

  • Cost synergies and integration benefits identified of more than $400 million annually after full integration
  • Near-term synergies of more than $300 million annually, with more than 90% expected within the first 24 months following close
  • Additional raw material integration benefits of more than $100 million beginning in January 2031
  • One-time costs to achieve synergies estimated between $150 million and $200 million
  • Additional cash tax benefits of approximately $125 million from NOL optimization
  • Revenue synergies expected from vertical integration but not quantified
  • Form S-4 registration statement filed on July 2, 2026 and amended on July 10, 2026
  • Transaction expected to close in the first half of 2027

Financial Impact

More than $400 million in annual cost synergies and integration benefits after full integration, plus ~$125 million in cash tax benefits from NOL optimization

cost synergiesSG&Apurchasingraw material integrationcash tax benefits

Risk Factors

  • Failure to receive required shareholder approvals from Olin or Huntsman
  • Failure to obtain regulatory approvals or imposition of conditions
  • Competing offers or acquisition proposals may emerge
  • Stockholder litigation could cause delay or expense
  • Synergy targets may not be achieved as projected

Market Snapshot

Exchange
NYSE
Sector
Chemicals & Allied Products
Analyst Consensus
10% bullish (21 analysts)

Investment Themes

Materials & Mining

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
425 Filing (Primary)0001193125-26-301529
Document: 0001193125-26-301529-index-headers.html0001193125-26-301529
Document: 0001193125-26-301529-index.html0001193125-26-301529
Document: 0001193125-26-301529.txt0001193125-26-301529
23 reports for HUN
Performance horizon
22% Hit rate 2 of 9 directional calls best @ T+1▲ +4.09%Aug 3, 2026
Filters
Rows
Reports for HUN — sortable, filterable
TypeNow
Aug 25, 2026
5w ago
8-K
BULLISH ★ 6/10
$9.63 $8.86▼ −8.00%▼ −9.20%$8.53 (−11.42%)
Aug 3, 2026
8w ago
Insider Buy
BULLISH ★ 4/10
$10.02 $9.58▼ −4.39%▼ −5.63%$8.53 (−14.87%)
Jul 31, 2026
8w ago
425
NEUTRAL ★ 5/10
$10.02 $9.58▼ −4.39%▼ −5.63%$8.53 (−14.87%)
Jul 31, 2026
9w ago
425
NEUTRAL ★ 5/10
$10.02 $9.58▼ −4.39%▼ −5.63%$8.53 (−14.87%)
Jul 14, 2026
11w ago
425
NEUTRAL ★ 5/10
$11.91 $10.44▼ −12.34%▼ −14.83%$8.53 (−28.38%)
Jul 13, 2026
11w ago
425
NEUTRAL ★ 5/10
$11.61 $10.36▼ −10.77%▼ −13.95%$8.53 (−26.53%)
Jul 13, 2026
11w ago
425
NEUTRAL ★ 5/10
$11.61 $10.36▼ −10.77%▼ −13.95%$8.53 (−26.53%)
Jun 25, 2026
14w ago
425
NEUTRAL ★ 3/10
$11.41 $12.81▲ +12.27%▲ +11.01%$8.53 (−25.24%)
Jun 17, 2026
15w ago
425
NEUTRAL ★ 4/10
$12.73 $11.86▼ −6.83%▼ −8.15%$8.53 (−32.99%)
Jun 16, 2026
15w ago
425
NEUTRAL ★ 4/10
$12.73 $11.86▼ −6.83%▼ −8.15%$8.53 (−32.99%)
Showing 10 of 23

US Market Status

Market Closed — Opens Mon (64h 22m)

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