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Ultralife Corporation (ULBI)

Ultralife Corporation at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Ultralife Corporation (ULBI) is a Electrical Equipment & Parts company based in US with a market capitalization of $121.8M. Revenue grew 16.2% year-over-year and the company generated $7.1M in free cash flow. This page tracks ULBI's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 671 employees · IPO Dec 23, 1992

Valuation

Valuation & price

$6.07 · as of May 17, 2026 · -33.5% vs 52w high

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P/E ratio

Latest-FY diluted EPS

0.94

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$9.13$7.09$5.05Jul 25Dec 25Jul 26Jul 7, 25$8.79Jul 9, 25$8.75Jul 11, 25$8.62Jul 15, 25$8.56Jul 17, 25$8.83Jul 21, 25$9.13Jul 23, 25$9.00Jul 25, 25$8.62Jul 29, 25$8.58Jul 31, 25$7.97Aug 4, 25$8.20Aug 6, 25$8.16Aug 11, 25$6.80Aug 13, 25$6.85Aug 15, 25$6.51Aug 19, 25$6.65Aug 21, 25$6.66Aug 25, 25$6.93Aug 27, 25$6.90Aug 29, 25$6.95Sep 3, 25$6.75Sep 5, 25$7.12Sep 9, 25$6.57Sep 11, 25$6.95Sep 16, 25$6.77Sep 18, 25$7.14Sep 22, 25$7.06Sep 24, 25$7.02Sep 26, 25$6.81Sep 30, 25$6.82Oct 2, 25$6.81Oct 6, 25$7.08Oct 8, 25$6.84Oct 10, 25$6.41Oct 14, 25$7.21Oct 16, 25$6.82Oct 21, 25$6.83Oct 23, 25$6.74Oct 27, 25$6.76Oct 29, 25$6.86Oct 31, 25$7.03Nov 4, 25$6.86Nov 6, 25$6.87Nov 10, 25$6.24Nov 12, 25$5.76Nov 14, 25$5.56Nov 18, 25$5.05Nov 20, 25$5.17Nov 25, 25$5.87Nov 28, 25$5.69Dec 2, 25$5.54Dec 4, 25$5.56Dec 8, 25$5.40Dec 10, 25$5.54Dec 12, 25$5.75Dec 16, 25$5.79Dec 18, 25$5.80Dec 22, 25$5.92Dec 24, 25$5.91Dec 29, 25$5.61Jan 2, 26$5.65Jan 6, 26$5.78Jan 8, 26$6.18Jan 12, 26$6.26Jan 14, 26$6.24Jan 16, 26$6.63Jan 21, 26$6.57Jan 23, 26$6.38Jan 27, 26$6.36Jan 29, 26$6.47Feb 2, 26$6.49Feb 4, 26$6.73Feb 9, 26$6.53Feb 11, 26$6.35Feb 13, 26$6.42Feb 18, 26$6.03Feb 20, 26$5.87Feb 24, 26$5.81Feb 26, 26$5.80Mar 2, 26$5.86Mar 4, 26$5.55Mar 6, 26$5.25Mar 10, 26$5.73Mar 12, 26$6.06Mar 17, 26$6.93Mar 19, 26$6.75Mar 23, 26$6.55Mar 25, 26$6.79Mar 27, 26$6.38Mar 31, 26$6.52Apr 2, 26$6.68Apr 7, 26$6.74Apr 9, 26$6.85Apr 13, 26$7.01Apr 15, 26$7.38Apr 17, 26$7.74Apr 22, 26$7.65Apr 24, 26$7.55Apr 28, 26$7.03Apr 30, 26$6.90May 4, 26$6.62May 6, 26$6.74May 8, 26$5.97May 12, 26$5.91May 14, 26$6.10May 18, 26$6.10May 20, 26$5.99May 22, 26$6.44May 28, 26$7.76Jun 1, 26$7.26Jun 3, 26$6.91Jun 5, 26$6.69Jun 9, 26$6.49Jun 11, 26$6.50Jun 15, 26$6.60Jun 17, 26$6.29Jun 22, 26$6.32Jun 24, 26$6.23Jun 26, 26$6.19Jul 2, 26$6.12
$5.0552-week range$9.13
Loading valuation history…

Fundamentals

Key fundamentals

$121.8M

Market cap

16.2%

Revenue growth (YoY)

23.3%

Gross margin

$7.1M

Free cash flow (USD)

$40.3M

Net debt

0.5%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Industrials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$82.5MFY 2017$85.5MFY 2018$87.2MFY 2019$106.8MFY 2020$107.7MFY 2021$98.3MFY 2022$131.8MFY 2023$158.6MFY 2024$164.5MFY 2025$191.2M
$82.5M$191.2M

Free cash flow by year

2016 → 2025

FY 2016$6.4MFY 2017$5.9MFY 2018$6.7MFY 2019$-9.3MFY 2020$18.6MFY 2021$1.5MFY 2022$-2.9MFY 2023$-623.0KFY 2024$14.7MFY 2025$7.1M
$6.4M$7.1M

Gross margin by year

2021 → 2025

FY 202125.1%FY 202222.3%FY 202324.7%FY 202425.7%FY 202523.3%
25.1%23.3%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

1

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 8, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider buyInsider Buy $715KWHITMORE BRADFORD T · Director, 10% Owner · $715.3KMay 26, 2026Filing
  • 8-K eventEarnings ReleaseMay 8, 2026Filing
  • Quarterly report10-Q FiledMay 8, 2026Filing
  • Annual report10-K FiledApr 29, 2026Filing

Questions

Frequently asked questions

What is Ultralife Corporation's market cap?

Ultralife Corporation (ULBI) has a market capitalization of $121.8M.

What is ULBI's P/E ratio?

A meaningful P/E ratio is not available for ULBI — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is ULBI's price-to-book (P/B) ratio?

ULBI trades at 0.94 times book value per share.

Are insiders buying ULBI stock?

Yes — SEC Form 4 filings show 1 open-market insider buy and 0 sells at Ultralife Corporation in the last 90 days.

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.