ESP — ESPEY MFG & ELECTRONICS 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
Dividends
⚠ Includes an irregular or special distribution — this yield is unlikely to repeat.
Measured signals that fired on ESP
| date | signal | measured base rate |
|---|---|---|
| 2026-06-26 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-06-25 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-05-14 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-04-08 | 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 |
|---|---|---|---|---|---|
| 2026-08-04 | WOOL MICHAEL W Director | Gift | 100 | 8.98 | 898 |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 181 | 63.56 | 11.5K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 130 | 63.91 | 8.3K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 110 | 63.13 | 6.9K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 105 | 63.96 | 6.7K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 95 | 63.39 | 6.0K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 85 | 63.92 | 5.4K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 65 | 63.91 | 4.2K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 35 | 63.94 | 2.2K |
| 2026-06-24 | HELMETAG CARL Director | Open-market sale | 35 | 63.15 | 2.2K |
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 |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 5.7M | 103.2K |
| DIMENSIONAL FUND ADVISORS LP | 5.2M | 93.5K |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.7M | 85.0K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3.4M | 61.9K |
| De Lisle Partners LLP | 3.1M | 56.2K |
| AMERICAN CENTURY COMPANIES INC | 2.9M | 53.1K |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 1.7M | 30.9K |
| MILLENNIUM MANAGEMENT LLC | 1.5M | 27.5K |
| TWO SIGMA INVESTMENTS, LP | 1.4M | 26.1K |
| SEI INVESTMENTS CO | 1.4M | 25.0K |
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 →
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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