analyzeportfolio
Nasdaq · Technology

ULTRALIFE CORP (ULBI)

As-reported financials and SEC filings for ULTRALIFE CORP. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

About ULTRALIFE CORP

Ultralife Corp designs and manufactures batteries and communication systems. It serves government defense and commercial customers with its battery energy products and communication system solutions. The company operates through two main segments: Battery Energy Products and Communications Systems.

Snapshot

Revenue
$191.2M
Revenue growth (YoY)
16.2%
Net income
$-5.9M
Diluted EPS
$-35.00
Gross margin
24.1%
Operating margin
-3.1%
Net margin
-3.1%
FCF margin
3.7%
ROE
-4.5%
net income / fiscal-year-end equity
P/E
trailing when available, otherwise FY EPS
Market cap
$107.8M
Long-term debt / equity
0.35×
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Ultralife

  • Revenue grew 16.2% to $191M in FY2025, faster than the 3.7% the year before.
  • Operating margin is now a 3.1% loss in FY2025, from 0.0% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $48M, down 1.3% from Q2 FY2025.
  • Free cash flow was $7M in FY2025, 3.7% of revenue.
  • Net income turned to a $6M loss in FY2025, from a $6M profit in FY2024.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Ultralife’s fundamentals sit among the 625 Technology companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin24.1%
17th percentile of 509
Operating margin-3.1%
36th percentile of 563
Net margin-3.1%
35th percentile of 577
FCF margin3.7%
33rd percentile of 544
Revenue growth (YoY)+16.2%
65th percentile of 616
ROE-4.5%
34th percentile of 540
Long-term debt / equity0.35×
49th percentile of 278
Short interest1.45d
20th percentile of 622

No reported insider transactions (codes P/S) in the last 90 days. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among sector peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 3 quant / multi-strat books among the superinvestors we track; no conviction manager currently reports a position.

Conviction investors
0
+3 quant / multi-strat
Initiated / added
0
0 new, 0 added
Reduced / exited
3
3 trimmed, 0 exited
Combined position
$1.6M
reported long value
InvestorAs ofPosition valueSharesChange
Renaissance TechnologiesquantQ2 2026$1.1M171.8KReduced
Two Sigma InvestmentsquantQ2 2026$322,99051.1KReduced
Citadel AdvisorsquantQ2 2026$159,78925.3KReduced

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Recent insider activity

Non-derivative buys and sells (codes P/S) reported by officers, directors and 10% owners on SEC Form 4.

Buys (90d)
0
code P
Bought (90d)
code P value
Sells (90d)
0
Reported activity
Quiet
by $ value, 90d
Trade dateInsiderTypeSharesPriceValue
2026-05-26
WHITMORE BRADFORD TDirectorBuy67.3K$6.81$459K
2026-05-22
filed 2026-05-26
WHITMORE BRADFORD TDirectorBuy8.7K$6.33$55K
2026-05-21
filed 2026-05-26
WHITMORE BRADFORD TDirectorBuy32.9K$6.13$202K
2026-05-18
Manna Michael EdwardPresident and CEOBuy2.0K$6.47$13K

Reported non-derivative purchases and sales (codes P/S) — which may be open-market or private; excludes option exercises, grants, and shares withheld for taxes. Dates shown are the trade date; a Form 4 can be filed days to years later. A sale can be routine (e.g. a pre-set 10b5-1 plan), so read individual transactions in context. From SEC Form 4. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
92.5K
settled 2026-08-14
Change vs prior
+44.4%
vs previous settlement
Days to cover
1.45
at avg daily volume
Avg daily volume
63.7K
FINRA reported
SettlementShares shortChangeDays to cover
2026-08-1492.5K+44.4%1.45
2026-07-3164.1K-7.8%2.26
2026-07-1569.5K-1.4%2.49
2026-06-3070.4K+6.8%3.29
2026-06-1566.0K-25.6%2.24
2026-05-2988.6K+1.2%1.00
2026-05-1587.5K+10.2%1.69
2026-04-3079.4K-0.7%3.44

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$191.2M$164.5M$158.6M$131.8M$98.3M
Gross profit$46.0M$42.3M$39.2M$29.4M$24.6M
Operating income$-5.9M$10.0M$9.5M$129,000$35,000
Net income$-5.9M$6.3M$7.2M$-119,000$-234,000
Diluted EPS$-35.00$38.00$0.44$0.05$0.05

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Balance sheet (as reported)

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$11.0M$16.6M$1.9M$-1.3M$4.3M
Capital expenditure$3.9M$1.9M$2.6M$1.7M$2.8M
Free cash flow$7.1M$14.7M$-623,000$-2.9M$1.5M

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$47.9M-1.3%$2.5M
Q1 FY2026$47.4M-6.5%$-451,000
Q4 FY2025$48.5M10.6%$-7.4M$-0.45
Q3 FY2025$43.4M21.5%$-1.2M$-0.07
Q2 FY2025$48.6M13.0%$879,000
Q1 FY2025$50.7M21.0%$1.9M
Q4 FY2024$43.9M-1.6%$194,000$0.01
Q3 FY2024$35.7M-9.6%$258,000$0.02

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNasdaq
SectorTechnology
SIC industryMiscellaneous Electrical Machinery, Equipment & Supplies
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 30, 2026)
Oldest indexed filing2006
SEC CIK875657

Selected SEC filings

10-K/A2026-04-29
View on EDGAR →
10-K2026-03-23
View on EDGAR →
10-Q2026-08-07
View on EDGAR →
10-Q2026-05-08
View on EDGAR →
10-Q2025-11-17
View on EDGAR →
10-Q2025-08-07
View on EDGAR →
8-K2026-08-07
View on EDGAR →
8-K2026-07-23
View on EDGAR →

Largest Technology peers

All Technology companies →

Monitor ULBI

Get an alert when Ultralife files something material, see which superinvestors own it, and ask its filings a question with cited answers.

Monitor ULBI free

Includes one free filing-grounded research answer. Or check your whole portfolio, no account needed.

Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.