ALSN

SEC EDGAR filings — 10-K/Q, 8-K, Form 4 insider transactions, offerings, ownership reports.

80 filings

SCHEDULE 13G/A
SCHEDULE 13G/A
xslSCHEDULE_13G_X02/primary_doc.xml
2026-03-26
20d ago
7 KB ↗
ARS
ARS
ny20058865x3_ars.pdf
2026-03-25
21d ago
6.3 MB ↗
DEFA14A
DEFA14A
ny20058865x2_defa14a.htm
2026-03-25
21d ago
1.6 MB ↗
DEF 14A
DEF 14A
ny20058865x1_def14a.htm
2026-03-25
21d ago
19.1 MB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
6 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
5 KB ↗
4
4
xslF345X06/ownership.xml
2026-03-24
22d ago
6 KB ↗
8-K/A
8-K/A
d114759d8ka.htm· Items: 9.01
2026-03-16
1mo ago
1.5 MB ↗
4
4
xslF345X05/ownership.xml
2026-03-10
1mo ago
4 KB ↗
144
144
xsl144X01/primary_doc.xml
2026-03-09
1mo ago
5 KB ↗
144
144
xsl144X01/primary_doc.xml
2026-03-05
1mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2026-03-03
1mo ago
8 KB ↗
4
4
xslF345X05/ownership.xml
2026-03-03
1mo ago
8 KB ↗
4
4
xslF345X05/ownership.xml
2026-03-03
1mo ago
9 KB ↗
144
144
xsl144X01/primary_doc.xml
2026-03-02
1mo ago
6 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-27
1mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-27
1mo ago
6 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-27
1mo ago
6 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-27
1mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-27
1mo ago
5 KB ↗
144/A
144/A
xsl144X01/primary_doc.xml
2026-02-26
1mo ago
8 KB ↗
144
144
xsl144X01/primary_doc.xml
2026-02-26
1mo ago
8 KB ↗
144
144
xsl144X01/primary_doc.xml
2026-02-25
1mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-24
1mo ago
20 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-24
1mo ago
21 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-24
1mo ago
19 KB ↗
10-K
10-K
alsn-20251231.htm
2026-02-24
1mo ago
23.2 MB ↗
8-K
8-K
d105532d8k.htm· Items: 2.02,9.01
2026-02-23
1mo ago
2.1 MB ↗
4
4
xslF345X05/ownership.xml
2026-02-23
1mo ago
12 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-23
1mo ago
12 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-23
1mo ago
13 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-17
1mo ago
13 KB ↗
144
144
xsl144X01/primary_doc.xml
2026-02-13
2mo ago
4 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-13
2mo ago
6 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-13
2mo ago
6 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-13
2mo ago
6 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-10
2mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2026-02-10
2mo ago
5 KB ↗
144
144
xsl144X01/primary_doc.xml
2026-01-15
3mo ago
4 KB ↗
4
4
xslF345X05/ownership.xml
2026-01-05
3mo ago
5 KB ↗
3
3
xslF345X02/ownership.xml
2026-01-05
3mo ago
21 KB ↗
4
4
xslF345X05/ownership.xml
2026-01-02
3mo ago
5 KB ↗
8-K
8-K
d97247d8k.htm· Items: 1.01,2.01,2.03,5.02,7.01,9.01
2026-01-02
3mo ago
2.0 MB ↗
144
144
xsl144X01/primary_doc.xml
2025-12-31
3mo ago
4 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-12-09
4mo ago
5 KB ↗
8-K
8-K
d938264d8k.htm· Items: 1.01,2.03,9.01
2025-11-24
4mo ago
1.1 MB ↗
4
4
xslF345X05/ownership.xml
2025-11-12
5mo ago
5 KB ↗
4
4
xslF345X05/ownership.xml
2025-11-12
5mo ago
5 KB ↗
8-K
8-K
d88094d8k.htm· Items: 8.01,9.01
2025-11-07
5mo ago
163 KB ↗
8-K
8-K
d54630d8k.htm· Items: 7.01,9.01
2025-11-04
5mo ago
850 KB ↗
8-K
8-K
d908401d8k.htm· Items: 7.01,9.01
2025-10-31
5mo ago
1.3 MB ↗
10-Q
10-Q
alsn-20250930.htm
2025-10-30
5mo ago
12.4 MB ↗
8-K
8-K
d20681d8k.htm· Items: 2.02,9.01
2025-10-29
5mo ago
4.0 MB ↗
4
4
xslF345X05/ownership.xml
2025-10-01
6mo ago
5 KB ↗

Filings sourced directly from SEC EDGAR. Click any row to open the original document on sec.gov.

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