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ULBI - Ultralife Corp

Insider Purchase by Whitmore Bradford T (Dir, 10%)

3 Months
After Trade
Before Trade

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Trade Summary

2 months ago, Whitmore Bradford T, serving as Dir, 10% owner at Ultralife Corp (ULBI), purchased 53,000 shares at $5.68 per share, for a total transaction value of $300,902.00. Following this transaction, Whitmore Bradford T now holds 6,412,445 shares of ULBI.

This purchase represents a 1.00% increase in Whitmore Bradford T's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Friday, December 12, 2025 and publicly disclosed via SEC Form 4 filing on Tuesday, December 16, 2025, 4 days after the trade was made.

Ultralife Corp operates in the INDUSTRIALS sector, specifically within the ELECTRICAL EQUIPMENT & PARTS industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Whitmore Bradford T

Dir, 10%

Bradford T. Whitmore is a seasoned investment professional and corporate director, serving as Chairman of Ultralife Corporation (ULBI) since March 2010 and as a director since June 2007.[[1]](https://www.marketscreener.com/insider/BRADFORD-WHITMORE-A009A0/)[[3]](https://app.boardroomalpha.com/profiles/people/A1000633-BRADFORD_T_WHITMORE) He is also the Director and 10% Owner of ULBI, holding approximately 6.2 million shares valued at over $30 million as of late 2023, with recent purchases including 15,877 shares on December 8, 2023, and multiple buys totaling over 18 transactions in the past five years without any sales.[[2]](https://www.gurufocus.com/insider/39019/bradford-t-whitmore)[[4]](https://www.secform4.com/insider-trading/933430.htm) As Managing Partner and Director at Grace Brothers LP, a hedge fund manager, since 1985, Whitmore has built a substantial investment portfolio, including significant stakes in Clearside Biomedical Inc. (CLSD) and Solesence Inc. (SLSN).[[1]](https://www.marketscreener.com/insider/BRADFORD-WHITMORE-A009A0/)[[2]](https://www.gurufocus.com/insider/39019/bradford-t-whitmore) Whitmore's career highlights include prior directorships at Ladish Co., Inc. (until 2005), Sunterra Corp., Bell Geospace, Inc. (since 2010), and roles at Grace Brothers Management LLC.[[1]](https://www.marketscreener.com/insider/BRADFORD-WHITMORE-A009A0/) He holds an undergraduate degree from Purdue University and a Masters in Business Administration from Kellogg School of Management.[[1]](https://www.marketscreener.com/insider/BRADFORD-WHITMORE-A009A0/) Estimated net worth exceeds $90 million as of 2025.[[1]](https://www.marketscreener.com/insider/BRADFORD-WHITMORE-A009A0/)

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Trade Price

$5.68

Quantity

53,000

Total Value

$300,902.00

Shares Owned

6,412,445

Trade Date

Friday, December 12, 2025

72 days ago

SEC Filing Date

Tuesday, December 16, 2025

Filed 4 days after trade

INDUSTRIALSELECTRICAL EQUIPMENT & PARTS

About Ultralife Corp

Company Overview

No company information available
View news mentioning ULBI

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