Allison Transmission Holdings ALSN SEC Filings

NYSE ALSN
$106.75 -4.19 (-3.78%)
As of: Oct 22, 2026 · 10:31 AM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Allison Transmission Holdings Inc (ALSN) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
14Insider Transaction0001193125-26-380153Sep 2, 2026 8:00 PM
24Insider Transaction0001193125-26-380151Sep 2, 2026 8:00 PM
34Insider Transaction0001193125-26-380150Sep 2, 2026 8:00 PM
44Insider Transaction0001193125-26-380149Sep 2, 2026 8:00 PM
54Insider Transaction0001193125-26-380148Sep 2, 2026 8:00 PM
64Insider Transaction0001193125-26-380147Sep 2, 2026 8:00 PM
74Insider Transaction0001193125-26-380146Sep 2, 2026 8:00 PM
84Insider Transaction0001193125-26-380145Sep 2, 2026 8:00 PM
94Insider Transaction0001193125-26-380144Sep 2, 2026 8:00 PM
104Insider Transaction0001193125-26-380143Sep 2, 2026 8:00 PM
114Insider Transaction0001193125-26-380141Sep 2, 2026 8:00 PM
124Insider Transaction0001193125-26-380139Sep 2, 2026 8:00 PM
134Insider Transaction0001193125-26-380138Sep 2, 2026 8:00 PM
144Insider Transaction0001193125-26-365668Aug 25, 2026 1:10 AM
15144Insider Transaction0001964306-26-000407Aug 21, 2026 8:16 PM
164Insider Transaction0001193125-26-349536Aug 13, 2026 9:00 PM
17144Insider Transaction0001964306-26-000381Aug 11, 2026 8:10 PM
184Insider Transaction0001193125-26-344582Aug 11, 2026 8:05 PM
19144Insider Transaction0001964306-26-000376Aug 10, 2026 8:37 PM
2010-QQuarterly & Annual Report0001193125-26-334039Aug 5, 2026 1:13 PM
218-KCurrent Report0001193125-26-330544Aug 3, 2026 8:05 PM
22SCHEDULE 13GBeneficial Ownership Report0002100121-26-000911Jul 31, 2026 3:22 PM
238-KCurrent Report0001193125-26-272602Jun 16, 2026 8:14 PM
244Insider Transaction0001741824-26-000004Jun 8, 2026 8:05 PM
254Insider Transaction0001196652-26-000002Jun 2, 2026 8:05 PM
264Insider Transaction0001543507-26-000002Jun 2, 2026 8:05 PM
274Insider Transaction0001543492-26-000002Jun 2, 2026 8:05 PM
284Insider Transaction0001716232-26-000003Jun 2, 2026 8:05 PM
294Insider Transaction0001741824-26-000002Jun 2, 2026 8:05 PM
304Insider Transaction0001756611-26-000002Jun 2, 2026 8:05 PM
314Insider Transaction0001942585-26-000002Jun 2, 2026 8:05 PM
324Insider Transaction0002035862-26-000005Jun 2, 2026 8:05 PM
334Insider Transaction0001942133-26-000002Jun 2, 2026 8:05 PM
344Insider Transaction0001756619-26-000002Jun 2, 2026 8:05 PM
354Insider Transaction0001860129-26-000002Jun 2, 2026 8:05 PM
364Insider Transaction0001474806-26-000002Jun 2, 2026 8:05 PM
374Insider Transaction0001512863-26-000002Jun 2, 2026 8:05 PM
38SDOthers0001193125-26-246356May 29, 2026 8:00 AM
394Insider Transaction0001193125-26-216801May 11, 2026 8:15 PM
404Insider Transaction0001193125-26-216801May 11, 2026 8:15 PM
414Insider Transaction0001193125-26-216801May 11, 2026 8:15 PM
428-KCurrent Report0001193125-26-214675May 8, 2026 8:15 PM
434Insider Transaction0001193125-26-214567May 8, 2026 8:00 PM
444Insider Transaction0001193125-26-214567May 8, 2026 8:00 PM
454Insider Transaction0001193125-26-214565May 8, 2026 8:00 PM
464Insider Transaction0001193125-26-214565May 8, 2026 8:00 PM
474Insider Transaction0001193125-26-214564May 8, 2026 8:00 PM
484Insider Transaction0001193125-26-214564May 8, 2026 8:00 PM
494Insider Transaction0001193125-26-214562May 8, 2026 8:00 PM
504Insider Transaction0001193125-26-214562May 8, 2026 8:00 PM
...

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