Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001456772-26-000022
Filing Date
2026-05-22
Accepted
2026-05-22 13:08:01
Documents
88
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K opi-20251231.htm   iXBRL 10-K 3191338
2 EX-19.1 opi_123125x10kex191.htm EX-19.1 42753
3 EX-21.1 opi_123125x10kex211.htm EX-21.1 7875
4 EX-31.1 opi_123125x10kex311.htm EX-31.1 10472
5 EX-31.2 opi_123125x10kex312.htm EX-31.2 10512
6 EX-32.1 opi_123125x10kex321.htm EX-32.1 6174
  Complete submission text file 0001456772-26-000022.txt   14281704

Data Files

Seq Description Document Type Size
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT opi-20251231.xsd EX-101.SCH 119092
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT opi-20251231_cal.xml EX-101.CAL 78467
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT opi-20251231_def.xml EX-101.DEF 544663
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT opi-20251231_lab.xml EX-101.LAB 1044600
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT opi-20251231_pre.xml EX-101.PRE 781485
92 EXTRACTED XBRL INSTANCE DOCUMENT opi-20251231_htm.xml XML 2236225
Mailing Address C/O THE RMR GROUP TWO NEWTON PL., 255 WASH. ST., STE. 300 NEWTON MA 02458
Business Address C/O THE RMR GROUP TWO NEWTON PL., 255 WASH. ST., STE. 300 NEWTON MA 02458 (617) 219-1440
OFFICE PROPERTIES INCOME TRUST (Filer) CIK: 0001456772 (see all company filings)

EIN.: 264273474 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-34364 | Film No.: 261012381
SIC: 6500 Real Estate
(CF Office: 05 Real Estate & Construction)