National Storage Affiliates Trust (NSA) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-22

National Storage Affiliates Trust (NSA) has filed 16 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-22. 4 Form 8-K material event filings were reported by NSA in the last 90 days. InsiderAlpha tracks every NSA SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About National Storage Affiliates Trust (NSA)

SEC CIK	0001618563

90-Day SEC Filing Activity

Form 4 filings (90d)	16
Form 8-K filings (90d)	4
Latest Form 4 filing	2026-06-22

Recent NSA Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-05-15	Allan Warren	Director	A — Grant or award	4.8K	$42.53	$203K	SEC
2026-05-15	Meisinger Chad LeRoy	Director	A — Grant or award	4.7K	$42.53	$200K	SEC
2026-05-15	COHN LISA R	Director	A — Grant or award	4.7K	$42.53	$200K	SEC
2026-05-15	Hylbert Paul William Jr	Director	A — Grant or award	5.1K	$42.53	$215K	SEC
2026-05-15	Wu Charles F	Director	A — Grant or award	4.7K	$42.53	$200K	SEC
2026-05-15	Palazzo Dominic M	Director	A — Grant or award	5.1K	$42.53	$215K	SEC
2026-05-15	OSGOOD STEVEN G	Director	A — Grant or award	5.2K	$42.53	$223K	SEC
2026-05-15	SCHALL MICHAEL J	Director	A — Grant or award	5.3K	$42.53	$225K	SEC
2024-12-06	Nordhagen Arlen Dale	Vice Chairperson	G — Bona-fide gift	120.0K	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for National Storage Affiliates Trust (NSA). Updated in real time as new filings are submitted to the SEC.

Most-Active NSA Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Cowan William S. Jr.	4	—
OSGOOD STEVEN G	3	$223K
Allan Warren	3	$203K
SCHALL MICHAEL J	3	$225K
Meisinger Chad LeRoy	3	$200K

Recent NSA Form 8-K Material Events

2026-07-14 — Item 5.07, 8.01, 9.01 [SEC]
2026-07-10 — Item 8.01, 9.01 [SEC]
2026-07-08 — Item 8.01 [SEC]
2026-05-05 — Item 2.02, 9.01 [SEC]
2026-03-17 — Item 1.01, 5.02, 9.01 · Acquisition · neutral [SEC]
National Storage Affiliates Trust entered into a definitive merger agreement on March 16, 2026, whereby it will be acquired by Public Storage. The transaction involves the merger of NSA with a Public Storage subsidiary, with the partnership subsequently merging into a Public Stor

Recent Insider Filings

2026-06-22 — Cowan William S. Jr. (Chief Strategy Officer)
2026-05-21 — FISCHER TAMARA D (Executive Chairperson)
2026-05-21 — Nordhagen Arlen Dale (Vice Chairperson)
2026-05-21 — Cowan William S. Jr. (Chief Strategy Officer)
2026-05-21 — Kenyon Tiffany S. (Chief Legal Officer)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NSA insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

NSA Insider Trading — FAQ

What is the latest insider trade for NSA?: National Storage Affiliates Trust (NSA) had 16 insider filings in the last 90 days, with the most recent on 2026-06-22. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying NSA stock?: 0 insider purchases of NSA were filed in the last 90 days.
How many insiders are selling NSA stock?: 0 insider sales of NSA were filed in the last 90 days.
Where can I see NSA SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every NSA SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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