DEFA14A ·Filed Mar 25, 2026

ALSN

Allison Transmission Holdings Inc
NEUTRAL
Impact 2/10
Horizonimmediate Processed6mo ago SEC0001140361-26-011094
Proxy solicitation materials
Actionable Insight • Neutral

Monitor for the full proxy statement which may contain details on director elections, executive compensation, or shareholder proposals.

DirectionNeutral
Confidencelow
Horizonimmediate
Final — all horizons settled through T+60d
ALSN ▲ +1.28% at T+60d
NEUTRAL call ✓ call won +1.28% · α vs SPY -12.67% · entry $116.32 → $117.81
Entry anchored
Mar 25, 03:59 PM ET
via exchange tick
T+1d
-1.60%
call -1.60% · α +0.08%
$114.46
settled 6mo ago
T+5d
+0.64%
call +0.64% · α -1.00%
$117.06
settled 6mo ago
T+20d
+16.50%
call +16.50% · α +5.83%
$135.51
settled 5mo ago
T+60d
+1.28%
call +1.28% · α -12.67%
$117.81
settled 3mo ago

Price Chart

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Executive Summary

Analysis based on filing metadata only — document content was unavailable

Key Facts

  • Filing type is DEFA14A, which is a definitive proxy statement.
  • Filed by the registrant, Allison Transmission Holdings Inc.
  • No fee required for filing.
  • Filing date is March 25, 2026.

Financial Impact

None disclosed in available documents

Risk Factors

  • Limited information available from truncated documents.
  • Potential for material items to be disclosed in the complete filing.

Market Snapshot

Exchange
NYSE

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
DEFA14A Filing (Primary)0001140361-26-011094
Document: 0001140361-26-011094-index-headers.html0001140361-26-011094
Document: 0001140361-26-011094-index.html0001140361-26-011094
Document: 0001140361-26-011094.txt0001140361-26-011094
6 reports for ALSN
Performance horizon
Filters
Rows
Reports for ALSN — sortable, filterable
TypeNow
Aug 15, 2026
6w ago
Institutional Cluster
MIXED ★ 4/10
$127.11 $122.40▼ −3.71%▼ −1.73%$117.97 (−7.19%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$125.87 $123.49▼ −1.89%▲ +0.10%$117.97 (−6.28%)
Jun 16, 2026
15w ago
8-K
NEUTRAL ★ 3/10
$118.86 $115.49▼ −2.84%▼ −4.15%$117.97 (−0.75%)
May 8, 2026
21w ago
8-K
NEUTRAL ★ 2/10
$123.72 $117.91▼ −4.70%▼ −4.39%$117.97 (−4.65%)
May 4, 2026
21w ago
8-K
MIXED ★ 6/10
$127.37 $116.14▼ −8.82%▼ −13.77%$117.97 (−7.38%)
Mar 25, 2026
27w ago
DEFA14A
NEUTRAL ★ 2/10
$116.32 $135.51▲ +16.50%▲ +5.83%$117.97 (+1.42%)
Showing 6 of 6

US Market Status

Market Closed — Opens Mon (37h 45m)

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