Company Analysis

Arbutus Biopharma Corporation (ABUS)

Nasdaq: ABUS · Pharmaceutical Preparations · Warminster, PA · filing with the SEC since 2008
Grade4.7
◀ Past 5.6● Present 3.9▶ Future 4.9
2 est.

Filings

389 filings since 2017 beside 210 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 41 days after the quarter ended. The proxy statement was last filed Apr 14, 2026.

Filings a yearinsider forms included
6256594248465848
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 9 times in the last 36 months, the newest Jul 16, 2026.SEC letters: 2 in the last 36 months, the newest Dec 2, 2024.
Insider forms 210

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 12, 2026 8-K items 8.01, 9.01 Other event · Current report
Nov 10, 2026 10-Q Quarterly report Sep 30, 2026
Nov 10, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 27, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 22, 2026 8-K items 8.01, 9.01 Other event · Current report Oct 20, 2026
Oct 7, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 5, 2026 SCHEDULE 13D/A Activist holder update, amended
Oct 1, 2026 SC TO-I/A Issuer tender offer, amended
Sep 30, 2026 SC TO-I/A Issuer tender offer, amended
Sep 4, 2026 SCHEDULE 13G Large holder notice
Aug 24, 2026 SC TO-I Issuer tender offer
Aug 21, 2026 SC TO-C Tender offer communication
Aug 21, 2026 8-K items 8.01, 9.01 Other event · Current report
Aug 12, 2026 10-Q Quarterly report Jun 30, 2026
Aug 12, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 12, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 16, 2026 8-K items 1.02, 5.02, 8.01, 9.01 Major agreement ended; Officer or director change; Other event · Current report Jul 15, 2026
Jun 5, 2026 S-8 Employee stock plan registration
May 27, 2026 8-K items 5.02, 5.07, 9.01 Officer or director change; Shareholder vote · Current report May 26, 2026
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 13, 2026 10-Q Quarterly report Mar 31, 2026
May 13, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 28, 2026 SCHEDULE 13D/A Activist holder update, amended
Apr 15, 2026 8-K items 8.01, 9.01 Other event · Current report Apr 14, 2026
Apr 14, 2026 DEFA14A Extra proxy material
Apr 14, 2026 DEF 14A Proxy statement May 26, 2026
Apr 13, 2026 SCHEDULE 13D/A Activist holder update, amended
Mar 23, 2026 10-K Annual report Dec 31, 2025
Mar 23, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 3, 2026 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report
Feb 20, 2026 8-K items 8.01, 9.01 Other event · Current report Feb 17, 2026
Feb 17, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 11, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 6, 2026 8-K items 8.01, 9.01 Other event · Current report Feb 2, 2026
Jan 16, 2026 8-K items 8.01, 9.01 Other event · Current report Jan 15, 2026
Dec 11, 2025 8-K items 8.01, 9.01 Other event · Current report
Nov 13, 2025 10-Q Quarterly report Sep 30, 2025
Nov 13, 2025 8-K items 2.02, 8.01, 9.01 Results released; Other event · Current report
Oct 7, 2025 8-K items 8.01, 9.01 Other event · Current report
Sep 10, 2025 8-K items 8.01, 9.01 Other event · Current report Sep 9, 2025
40 of 389 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ABUS · research, not advice