Are insiders buying ULBI stock?

Yes — 6 distinct insiders have bought ULBI (ULTRALIFE CORP) on the open market, including 3 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was May 26, 2026.

How much ULBI stock have insiders bought?

Insiders have bought a combined $3.0M of ULBI across 27 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in ULBI?

A cluster buy is two or more distinct ULTRALIFE CORP insiders — officers, directors, or 10% owners — each buying ULBI on the open market within a rolling window. ULBI has 3 detected cluster buys to date.

Where does this ULBI insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

ULBI insider buying

3 cluster buys

ULTRALIFE CORP · Industrials

When two or more insiders at ULTRALIFE CORP buy ULBI on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in ULBI plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$3.0M

Market cap

$101.8M

Detected clusters

Nov 19, 2025 – May 26, 2026
Detected May 26, 2026
High conviction4 insiders
Total bought
$2.3M
Market cap
$101.8M
May 13 – Aug 21, 2025
Detected Aug 21, 2025
High conviction6 insiders
Total bought
$668.2K
Market cap
$101.8M
Nov 12 – Nov 21, 2024
Detected Nov 21, 2024
High conviction2 insiders
Total bought
$30.7K
Market cap
$101.8M

All notable open-market buys in ULBI

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
May 26, 2026	WHITMORE BRADFORD Tcluster Director, 10% Owner	67,302	$6.81	$458.6K	SEC ↗
May 21, 2026	WHITMORE BRADFORD Tcluster Director, 10% Owner	32,876	$6.13	$201.7K	SEC ↗
Mar 16, 2026	WHITMORE BRADFORD Tcluster Director, 10% Owner	53,131	$6.76	$359.2K	SEC ↗
Mar 13, 2026	WHITMORE BRADFORD Tcluster Director, 10% Owner	100,640	$6.32	$636.0K	SEC ↗
Mar 12, 2026	WHITMORE BRADFORD Tcluster Director, 10% Owner	33,741	$5.97	$201.4K	SEC ↗
Mar 12, 2026	Manna Michael Edwardcluster Director, President and CEO	1,800	$6.01	$10.8K	SEC ↗
Mar 12, 2026	Manna Michael Edwardcluster Director, President and CEO	200	$6.03	$1.2K	SEC ↗
Dec 16, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	28,588	$5.70	$163.0K	SEC ↗
Dec 15, 2025	Goddard Janiecluster Director	1,739	$5.75	$10.0K	SEC ↗
Nov 24, 2025	Robert W. Shawcluster Director	1,750	$5.67	$9.9K	SEC ↗
Nov 19, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	53,900	$4.97	$267.9K	SEC ↗
Nov 19, 2025	Manna Michael Edwardcluster Director, President and CEO	1,000	$4.99	$5.0K	SEC ↗
Nov 19, 2025	Manna Michael Edwardcluster Director, President and CEO	1,000	$4.94	$4.9K	SEC ↗
Aug 21, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	29,766	$6.63	$197.3K	SEC ↗
Aug 19, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	15,898	$6.56	$104.3K	SEC ↗
Jun 13, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	10,000	$7.64	$76.4K	SEC ↗
Jun 13, 2025	Goddard Janiecluster Director	1,548	$7.68	$11.9K	SEC ↗
May 23, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	11,980	$5.41	$64.8K	SEC ↗
May 15, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	2,140	$5.72	$12.2K	SEC ↗
May 14, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	16,063	$5.47	$87.9K	SEC ↗
May 14, 2025	Saeli Thomas Louiscluster Director	5,000	$5.44	$27.2K	SEC ↗
May 14, 2025	Robert W. Shawcluster Director	4,000	$5.49	$22.0K	SEC ↗
May 13, 2025	WHITMORE BRADFORD Tcluster Director, 10% Owner	8,957	$5.40	$48.4K	SEC ↗
May 13, 2025	Manna Michael Edwardcluster Director, President and CEO	3,000	$5.29	$15.9K	SEC ↗
Nov 21, 2024	Manna Michael Edwardcluster Director, President and CEO	1,500	$7.25	$10.9K	SEC ↗

2 earlier buys hidden — sign in free to see the full history.

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ULBI insider buying — FAQ

Are insiders buying ULBI stock?: Yes — 6 distinct insiders have bought ULBI (ULTRALIFE CORP) on the open market, including 3 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was May 26, 2026.
How much ULBI stock have insiders bought?: Insiders have bought a combined $3.0M of ULBI across 27 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in ULBI?: A cluster buy is two or more distinct ULTRALIFE CORP insiders — officers, directors, or 10% owners — each buying ULBI on the open market within a rolling window. ULBI has 3 detected cluster buys to date.
Where does this ULBI insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in ULBI

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy ULBI within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding ULBI.