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National Storage Affiliates Trust (NSA) 10K Form and Latest SEC Filings 2026

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Latest National Storage Affiliates Trust SEC Filings & Recent Activity

National Storage Affiliates Trust (NYSE:NSA) has submitted 286+ documents to the U.S. Securities and Exchange Commission (SEC) since 2017. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in National Storage Affiliates Trust's financial statements. The most recent filing was a Form SCHEDULE 13G submitted on April 29, 2026.

Form 4
National Storage Affiliates Trust Reports Ownership Change on Mar. 3, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

8-K
National Storage Affiliates Trust Files Current Report on Mar. 17, 2026

An 8-K is filed when a material corporate event occurs, such as an acquisition, leadership change, or financial update.

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10-K
National Storage Affiliates Trust Files Annual Report on Apr. 22, 2026

The 10-K contains National Storage Affiliates Trust's audited financial statements, revenue, earnings, and risk factors for the prior fiscal year.

View earnings history

National Storage Affiliates Trust SEC Filing History

Browse National Storage Affiliates Trust's complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

DateFilerForm TypeView
04/29/2026 1:05 PM
National Storage Affiliates Trust (1618563) Subject
VANGUARD PORTFOLIO MANAGEMENT LLC (2100121) Filed by
Form SCHEDULE 13G
04/27/2026 3:01 PM
National Storage Affiliates Trust (1618563) Subject
Public Storage (1393311) Filed by
Form 425
04/22/2026 3:29 PM
National Storage Affiliates Trust (1618563) Filer
Form 10-K/A
03/20/2026 5:05 AM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/18/2026 5:54 PM
National Storage Affiliates Trust (1618563) Subject
Nordhagen Arlen Dale (1639326) Filed by
Form SCHEDULE 13D/A
03/17/2026 8:10 AM
National Storage Affiliates Trust (1618563) Subject
Public Storage (1393311) Filed by
Form 425
03/17/2026 8:15 AM
National Storage Affiliates Trust (1618563) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/17/2026 8:16 AM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:30 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:30 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:29 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:29 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:25 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:26 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:26 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:27 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:27 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:28 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:28 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:29 PM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 4:04 PM
National Storage Affiliates Trust (1618563) Subject
Public Storage (1393311) Filed by
Form 425
03/16/2026 4:07 PM
National Storage Affiliates Trust (1618563) Subject
Public Storage (1393311) Filed by
Form 425
03/16/2026 4:08 PM
National Storage Affiliates Trust (1618563) Subject
Public Storage (1393311) Filed by
Form 425
03/16/2026 6:13 AM
National Storage Affiliates Trust (1618563) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/16/2026 6:15 AM
National Storage Affiliates Trust (1618563) Subject
Form 425
03/16/2026 6:09 AM
National Storage Affiliates Trust (1618563) Subject
Public Storage (1393311) Filed by
Form 425
03/03/2026 3:09 PM
Kenyon Tiffany S. (1960573) Reporting
National Storage Affiliates Trust (1618563) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 3:09 PM
Esbenshade John (2051437) Reporting
National Storage Affiliates Trust (1618563) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/14/2025 10:33 AM
Long Pond Capital, LP (1499066) Filed by
National Storage Affiliates Trust (1618563) Subject
Form SCHEDULE 13G
11/12/2025 2:04 PM
National Storage Affiliates Trust (1618563) Subject
WASATCH ADVISORS LP (814133) Filed by
Form SCHEDULE 13G/A
11/07/2025 12:48 PM
National Storage Affiliates Trust (1618563) Subject
PRUDENTIAL FINANCIAL INC (1137774) Filed by
Form SCHEDULE 13G
11/04/2025 3:07 PM
National Storage Affiliates Trust (1618563) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/13/2025 4:29 PM
National Storage Affiliates Trust (1618563) Subject
WASATCH ADVISORS LP (814133) Filed by
Form SCHEDULE 13G/A
05/19/2025 5:09 PM
Meisinger Chad LeRoy (1639578) Reporting
National Storage Affiliates Trust (1618563) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025 5:09 PM
National Storage Affiliates Trust (1618563) Issuer
OSGOOD STEVEN G (1306273) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025 5:09 PM
National Storage Affiliates Trust (1618563) Issuer
Palazzo Dominic M (1639295) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025 5:10 PM
National Storage Affiliates Trust (1618563) Issuer
SCHALL MICHAEL J (1198212) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025 5:10 PM
COHN LISA R (1420211) Reporting
National Storage Affiliates Trust (1618563) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025 5:10 PM
Hylbert Paul William Jr (1639342) Reporting
National Storage Affiliates Trust (1618563) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025 5:10 PM
National Storage Affiliates Trust (1618563) Issuer
Wu Charles F (1848449) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2025 5:11 PM
Allan Warren (2032378) Reporting
National Storage Affiliates Trust (1618563) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/15/2025 3:06 PM
National Storage Affiliates Trust (1618563) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)

National Storage Affiliates Trust SEC Filings - Frequently Asked Questions

National Storage Affiliates Trust (NSA) has submitted 286+ filings to the SEC since 2017. You can browse the complete history or filter by form type using the tools above.

National Storage Affiliates Trust's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. Key financial data from these reports is available on National Storage Affiliates Trust's financial statements page.

The most recent filing was a Form SCHEDULE 13G submitted on April 29, 2026. View the full filing using the link above.

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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This page (NYSE:NSA) was last updated on 5/5/2026 by MarketBeat.com Staff.
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