ULBI — ULTRALIFE CORP
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
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Measured signals that fired on ULBI
| date | signal | measured base rate |
|---|---|---|
| 2026-03-03 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-05-26 | WHITMORE BRADFORD T Director | Open-market purchase | 67.3K | 6.81 | 458.6K |
| 2026-05-22 | WHITMORE BRADFORD T Director | Open-market purchase | 8.7K | 6.33 | 55.1K |
| 2026-05-21 | WHITMORE BRADFORD T Director | Open-market purchase | 32.9K | 6.13 | 201.7K |
| 2026-05-18 | Manna Michael Edward President and CEO | Open-market purchase | 2.0K | 6.47 | 12.9K |
| 2026-03-16 | WHITMORE BRADFORD T Director | Open-market purchase | 53.1K | 6.76 | 359.2K |
| 2026-03-13 | WHITMORE BRADFORD T Director | Open-market purchase | 100.6K | 6.32 | 636.0K |
| 2026-03-12 | WHITMORE BRADFORD T Director | Open-market purchase | 33.7K | 5.97 | 201.4K |
| 2026-03-12 | Manna Michael Edward President and CEO | Open-market purchase | 1.8K | 6.01 | 10.8K |
| 2026-03-12 | Manna Michael Edward President and CEO | Open-market purchase | 200 | 6.03 | 1.2K |
| 2025-12-16 | WHITMORE BRADFORD T Director | Open-market purchase | 28.6K | 5.70 | 163.0K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Visionary Wealth Advisors | 7.2M | 1.1M |
| DIMENSIONAL FUND ADVISORS LP | 6.5M | 994.8K |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | 457.8K |
| Truffle Hound Capital, LLC | 1.6M | 250.0K |
| RBF Capital, LLC | 1.4M | 218.7K |
| RENAISSANCE TECHNOLOGIES LLC | 1.3M | 198.1K |
| Connor, Clark & Lunn Investment Management Ltd. | 1.0M | 155.0K |
| BlackRock, Inc. | 953.7K | 146.3K |
| RAYMOND JAMES FINANCIAL INC | 908.5K | 139.3K |
| GEODE CAPITAL MANAGEMENT, LLC | 830.8K | 127.3K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 8-K | 2026-08-07 | 2026-08-07 | on EDGAR ↗ |
| 10-Q | 2026-08-07 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-23 | 2026-07-23 | on EDGAR ↗ |
| DEFA14A | 2026-06-02 | — | on EDGAR ↗ |
| DEF 14A | 2026-06-02 | 2026-07-22 | on EDGAR ↗ |
| SD | 2026-06-01 | — | on EDGAR ↗ |
| 4 | 2026-05-26 | 2026-05-21 | on EDGAR ↗ |
| 4 | 2026-05-18 | 2026-05-18 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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