ATMU

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

80 filings

4
FORM 4
xslF345X06/wk-form4_1775158421.xml
2026-04-02
13d ago
5 KB ↗
4
FORM 4
xslF345X06/wk-form4_1775158305.xml
2026-04-02
13d ago
5 KB ↗
4
FORM 4
xslF345X06/wk-form4_1775158203.xml
2026-04-02
13d ago
5 KB ↗
4
FORM 4
xslF345X06/wk-form4_1775158127.xml
2026-04-02
13d ago
5 KB ↗
4
FORM 4
xslF345X06/wk-form4_1775158032.xml
2026-04-02
13d ago
5 KB ↗
ARS
ARS
atmu202510-kdoc21.pdf
2026-03-30
16d ago
12.1 MB ↗
DEFA14A
DEFA14A
proxycard-defa14a1.htm
2026-03-30
16d ago
1.2 MB ↗
DEF 14A
DEF 14A
atmu-20260330.htm
2026-03-30
16d ago
13.4 MB ↗
SCHEDULE 13G/A
SCHEDULE 13G/A
xslSCHEDULE_13G_X02/primary_doc.xml
2026-03-26
20d ago
7 KB ↗
4
FORM 4
xslF345X05/wk-form4_1772564933.xml
2026-03-03
1mo ago
6 KB ↗
4
FORM 4
xslF345X05/wk-form4_1772564801.xml
2026-03-03
1mo ago
6 KB ↗
4
FORM 4
xslF345X05/wk-form4_1772564698.xml
2026-03-03
1mo ago
6 KB ↗
4
FORM 4
xslF345X05/wk-form4_1772564564.xml
2026-03-03
1mo ago
7 KB ↗
SCHEDULE 13G/A
SCHEDULE 13G/A
xslSCHEDULE_13G_X01/primary_doc.xml
2026-02-17
1mo ago
11 KB ↗
SCHEDULE 13G
SCHEDULE 13G
xslSCHEDULE_13G_X01/primary_doc.xml
2026-02-17
1mo ago
8 KB ↗
4
FORM 4
xslF345X05/wk-form4_1771339396.xml
2026-02-17
1mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1771339197.xml
2026-02-17
1mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1771339089.xml
2026-02-17
1mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1771338904.xml
2026-02-17
1mo ago
5 KB ↗
10-K
10-K
atmu-20251231.htm
2026-02-13
2mo ago
16.3 MB ↗
8-K
8-K
atmu-20260213.htm· Items: 2.02,9.01
2026-02-13
2mo ago
492 KB ↗
4
FORM 4
xslF345X05/wk-form4_1770657118.xml
2026-02-09
2mo ago
5 KB ↗
8-K
8-K
atmu-20260209.htm· Items: 7.01,9.01
2026-02-09
2mo ago
181 KB ↗
3
FORM 3
xslF345X02/wk-form3_1770395700.xml
2026-02-06
2mo ago
4 KB ↗
8-K
8-K
atmu-20260205.htm· Items: 5.02
2026-02-06
2mo ago
183 KB ↗
SCHEDULE 13G
SCHEDULE 13G
xslSCHEDULE_13G_X01/primary_doc.xml
2026-02-05
2mo ago
12 KB ↗
8-K
8-K
atmu-20260107.htm· Items: 1.01,2.03,7.01,9.01
2026-01-07
3mo ago
69.0 MB ↗
8-K
CURRENT REPORT
ea0266850-8k_atmus.htm· Items: 1.01,2.03,7.01,9.01
2025-11-24
4mo ago
1.0 MB ↗
4
FORM 4
xslF345X05/wk-form4_1763577305.xml
2025-11-19
4mo ago
11 KB ↗
8-K
8-K
atmu-20251112.htm· Items: 7.01,9.01
2025-11-12
5mo ago
181 KB ↗
10-Q
10-Q
atmu-20250930.htm
2025-11-07
5mo ago
4.9 MB ↗
8-K
8-K
atmu-20251107.htm· Items: 2.02,9.01
2025-11-07
5mo ago
394 KB ↗
4
FORM 4
xslF345X05/wk-form4_1759843941.xml
2025-10-07
6mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1759843674.xml
2025-10-07
6mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1755279082.xml
2025-08-15
8mo ago
5 KB ↗
8-K
8-K
atmu-20250813.htm· Items: 7.01,9.01
2025-08-13
8mo ago
181 KB ↗
10-Q
10-Q
atmu-20250630.htm
2025-08-08
8mo ago
4.9 MB ↗
8-K
8-K
atmu-20250808.htm· Items: 2.02,9.01
2025-08-08
8mo ago
392 KB ↗
SD
SD
atmu-conflictmineralsrepor.htm
2025-05-30
10mo ago
387 KB ↗
8-K
8-K
atmu-20250520.htm· Items: 5.03,5.07
2025-05-27
10mo ago
451 KB ↗
4
FORM 4
xslF345X05/wk-form4_1747862448.xml
2025-05-21
10mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1747862219.xml
2025-05-21
10mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1747862032.xml
2025-05-21
10mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1747861868.xml
2025-05-21
10mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1747861746.xml
2025-05-21
10mo ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1747861616.xml
2025-05-21
10mo ago
5 KB ↗
8-K
8-K
atmu-20250521.htm· Items: 7.01,9.01
2025-05-21
10mo ago
181 KB ↗
SCHEDULE 13G/A
SCHEDULE 13G/A
xslSCHEDULE_13G_X01/primary_doc.xml
2025-05-15
11mo ago
11 KB ↗
SCHEDULE 13G/A
SCHEDULE 13G/A
xslSCHEDULE_13G_X01/primary_doc.xml
2025-05-14
11mo ago
8 KB ↗
4
FORM 4
xslF345X05/wk-form4_1747166248.xml
2025-05-13
11mo ago
5 KB ↗
3
FORM 3
xslF345X02/wk-form3_1747157377.xml
2025-05-13
11mo ago
3 KB ↗
8-K
8-K
atmu-20250508.htm· Items: 5.02,9.01
2025-05-13
11mo ago
188 KB ↗
10-Q
10-Q
atmu-20250331.htm
2025-05-02
11mo ago
4.3 MB ↗
8-K
8-K
atmu-20250502.htm· Items: 2.02,9.01
2025-05-02
11mo ago
399 KB ↗
4
FORM 4
xslF345X05/wk-form4_1743698388.xml
2025-04-03
1y ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1743698069.xml
2025-04-03
1y ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1743697563.xml
2025-04-03
1y ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1743696414.xml
2025-04-03
1y ago
5 KB ↗
DEF 14A
DEF 14A
atmu-20250401.htm
2025-04-02
1y ago
21.1 MB ↗
DEFA14A
DEFA14A
proxycard-defa14a.htm
2025-04-02
1y ago
1.2 MB ↗
ARS
ARS
atmu-arsfy24x2025x04x01x12.pdf
2025-04-02
1y ago
12.0 MB ↗
PRE 14A
PRE 14A
atmu-20250318.htm
2025-03-19
1y ago
21.2 MB ↗
DEFA14A
DEFA14A
atmu-proxycardxdefa14a.htm
2025-03-17
1y ago
1.2 MB ↗
DEF 14A
DEF 14A
atmu-20250317.htm
2025-03-17
1y ago
19.4 MB ↗
4
FORM 4
xslF345X05/wk-form4_1741220601.xml
2025-03-05
1y ago
6 KB ↗
4
FORM 4
xslF345X05/wk-form4_1741220436.xml
2025-03-05
1y ago
6 KB ↗
4
FORM 4
xslF345X05/wk-form4_1741220224.xml
2025-03-05
1y ago
6 KB ↗
10-K
10-K
atmu-20241231.htm
2025-02-21
1y ago
12.2 MB ↗
8-K
8-K
atmu-20250221.htm· Items: 2.02,9.01
2025-02-21
1y ago
485 KB ↗
4
FORM 4
xslF345X05/wk-form4_1740008802.xml
2025-02-19
1y ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1740007918.xml
2025-02-19
1y ago
5 KB ↗
4
FORM 4
xslF345X05/wk-form4_1740007669.xml
2025-02-19
1y ago
5 KB ↗
8-K
8-K
atmu-20250219.htm· Items: 7.01,9.01
2025-02-19
1y ago
189 KB ↗
SCHEDULE 13G
SCHEDULE 13G
xslSCHEDULE_13G_X01/primary_doc.xml
2025-02-14
1y ago
14 KB ↗
SCHEDULE 13G
SCHEDULE 13G
xslSCHEDULE_13G_X01/primary_doc.xml
2025-02-14
1y ago
8 KB ↗
SCHEDULE 13G/A
SCHEDULE 13G/A
xslSCHEDULE_13G_X01/primary_doc.xml
2025-02-12
1y ago
12 KB ↗
4/A
FORM 4/A
xslF345X05/wk-form4a_1737654434.xml
2025-01-23
1y ago
5 KB ↗
4/A
FORM 4/A
xslF345X05/wk-form4a_1737073754.xml
2025-01-16
1y ago
4 KB ↗
SC 13G
5%+ ownership (passive)
filing.txt
2024-11-12
1y ago
8 KB ↗
10-Q
10-Q
atmu-20240930.htm
2024-11-08
1y ago
4.8 MB ↗

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

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