Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001210708-26-000038
Filing Date
2026-03-20
Accepted
2026-03-20 16:36:06
Documents
160
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K strr-20251231.htm   iXBRL 10-K 2287208
2 EX-4.1 descriptionofsecurities.htm EX-4.1 31479
3 EX-10.34 promissorynote.htm EX-10.34 33877
4 EX-10.37 leaseagreementadt.htm EX-10.37 130261
5 EX-14.1 ethicspolicy.htm EX-14.1 32359
6 EX-19 insidertradingpolicy.htm EX-19 37428
7 EX-21 strr-20251231xexx21.htm EX-21 58695
8 EX-23.1 strr-20251231xexx231.htm EX-23.1 2847
9 EX-31.1 strr-20251231xexx311.htm EX-31.1 10851
10 EX-31.2 strr-20251231xexx312.htm EX-31.2 10605
11 EX-32.1 strr-20251231exx321.htm EX-32.1 4356
12 EX-32.2 strr-20251231xexx322.htm EX-32.2 4547
13 EX-97.1 clawbackpolicy.htm EX-97.1 9995
19 GRAPHIC clawbackpolicy001.jpg GRAPHIC 739360
20 GRAPHIC descriptionofsecurities001.jpg GRAPHIC 1230152
21 GRAPHIC descriptionofsecurities002.jpg GRAPHIC 569531
22 GRAPHIC ethicspolicy001.jpg GRAPHIC 784696
23 GRAPHIC ethicspolicy002.jpg GRAPHIC 984506
24 GRAPHIC ethicspolicy003.jpg GRAPHIC 817718
25 GRAPHIC insidertradingpolicy001.jpg GRAPHIC 1117209
26 GRAPHIC insidertradingpolicy002.jpg GRAPHIC 932553
27 GRAPHIC insidertradingpolicy003.jpg GRAPHIC 773763
28 GRAPHIC leaseagreementadt001.jpg GRAPHIC 424862
29 GRAPHIC leaseagreementadt002.jpg GRAPHIC 1133615
30 GRAPHIC leaseagreementadt003.jpg GRAPHIC 1255180
31 GRAPHIC leaseagreementadt004.jpg GRAPHIC 1177644
32 GRAPHIC leaseagreementadt005.jpg GRAPHIC 1170439
33 GRAPHIC leaseagreementadt006.jpg GRAPHIC 1252046
34 GRAPHIC leaseagreementadt007.jpg GRAPHIC 1283174
35 GRAPHIC leaseagreementadt008.jpg GRAPHIC 1234993
36 GRAPHIC leaseagreementadt009.jpg GRAPHIC 813071
37 GRAPHIC leaseagreementadt010.jpg GRAPHIC 1032903
38 GRAPHIC leaseagreementadt011.jpg GRAPHIC 49635
39 GRAPHIC promissorynote001.jpg GRAPHIC 1284428
40 GRAPHIC promissorynote002.jpg GRAPHIC 1079394
41 GRAPHIC promissorynote003.jpg GRAPHIC 85635
  Complete submission text file 0001210708-26-000038.txt   44125786

Data Files

Seq Description Document Type Size
14 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT strr-20251231.xsd EX-101.SCH 104641
15 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT strr-20251231_cal.xml EX-101.CAL 154523
16 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT strr-20251231_def.xml EX-101.DEF 526411
17 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT strr-20251231_lab.xml EX-101.LAB 1155397
18 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT strr-20251231_pre.xml EX-101.PRE 855656
164 EXTRACTED XBRL INSTANCE DOCUMENT strr-20251231_htm.xml XML 2374398
Mailing Address 53 FOREST AVENUE OLD GREENWICH CT 06870
Business Address 53 FOREST AVENUE OLD GREENWICH CT 06870 2034095628
Star Equity Holdings, Inc. (Filer) CIK: 0001210708 (see all company filings)

EIN.: 593547281 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38704 | Film No.: 26778713
SIC: 7363 Services-Help Supply Services
(CF Office: 07 Trade & Services)