Office Properties Income Trust SEC Filings http://www.opireit.com/generated by Q4Fri, 15 May 2026 17:21:42 -0400Copyright Q4 Inc. All rights reserved.Office Properties Income Trust - NT 10-Q - Notification that Quarterly Report will be submitted late19455664http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19455664Fri, 15 May 2026 00:00:00 -0400Office Properties Income Trust - S-8 POS - Post-Effective Amendment to an S-8 filing19455500http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19455500Fri, 15 May 2026 00:00:00 -0400Office Properties Income Trust - S-8 POS - Post-Effective Amendment to an S-8 filing19455521http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19455521Fri, 15 May 2026 00:00:00 -0400Office Properties Income Trust - S-8 POS - Post-Effective Amendment to an S-8 filing19455552http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19455552Fri, 15 May 2026 00:00:00 -0400Office Properties Income Trust - POS AM - Post-Effective Amendment to Registration Statement19455411http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19455411Fri, 15 May 2026 00:00:00 -0400Office Properties Income Trust - POS AM - Post-Effective Amendment to Registration Statement19455300http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19455300Fri, 15 May 2026 00:00:00 -0400Office Properties Income Trust - 8-K - Current report filing19417453http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19417453Wed, 06 May 2026 00:00:00 -0400Office Properties Income Trust - 8-K - Current report filing19379823http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19379823Tue, 28 Apr 2026 00:00:00 -0400Office Properties Income Trust - 8-K - Current report filing19311577http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19311577Wed, 01 Apr 2026 00:00:00 -0400Office Properties Income Trust - 8-K - Current report filing19249069http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19249069Fri, 13 Mar 2026 00:00:00 -0400Office Properties Income Trust - 8-K - Current report filing19219100http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19219100Wed, 04 Mar 2026 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing19170027http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19170027Fri, 20 Feb 2026 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing19132690http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19132690Tue, 10 Feb 2026 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing19125281http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19125281Fri, 06 Feb 2026 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing19064931http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19064931Thu, 15 Jan 2026 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing19032334http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19032334Wed, 31 Dec 2025 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing19018998http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19018998Tue, 23 Dec 2025 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing19006371http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=19006371Thu, 18 Dec 2025 00:00:00 -0500Office Properties Income Trust - 8-K - Current report filing18996768http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=18996768Mon, 15 Dec 2025 00:00:00 -0500Office Properties Income Trust - 25-NSE - Notification filed by National Security Exchange to report the removal from listing and registration of matured, redeemed or retired securities Initial Filing Amendments18924259http://www.opireit.com/investors/financial-information/sec-filings/sec-filings-details/default.aspx?FilingId=18924259Fri, 14 Nov 2025 00:00:00 -0500