CSPI — CSP INC /MA/
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
Measured signals that fired on CSPI
| date | signal | measured base rate |
|---|---|---|
| 2026-05-14 | Cluster buy: three or more insiders insider | +0.63% over 21 days · t = 1.84 · n = 3,050 not 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 |
|---|---|---|---|---|---|
| 2026-07-31 | LEVINE GARY W CFO and Secretary | Grant or award | 259 | 7.51 | 1.9K |
| 2026-06-10 | NERGES JOSEPH R 10% owner | Open-market purchase | 100 | 8.32 | 832 |
| 2026-06-10 | NERGES JOSEPH R 10% owner | Open-market purchase | 71 | 8.29 | 589 |
| 2026-06-09 | NERGES JOSEPH R 10% owner | Open-market purchase | 700 | 8.69 | 6.1K |
| 2026-06-09 | NERGES JOSEPH R 10% owner | Open-market purchase | 199 | 8.05 | 1.6K |
| 2026-06-08 | NERGES JOSEPH R 10% owner | Open-market purchase | 1.0K | 8.75 | 8.8K |
| 2026-06-08 | NERGES JOSEPH R 10% owner | Open-market purchase | 800 | 8.40 | 6.7K |
| 2026-06-08 | NERGES JOSEPH R 10% owner | Open-market purchase | 500 | 8.60 | 4.3K |
| 2026-05-15 | FOLGER ANTHONY Director | Open-market purchase | 2.5K | 9.36 | 23.4K |
| 2026-05-13 | NERGES JOSEPH R 10% owner | Open-market purchase | 500 | 9.26 | 4.6K |
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 | 6.8M | 784.8K |
| BlackRock, Inc. | 3.2M | 369.2K |
| DIMENSIONAL FUND ADVISORS LP | 3.1M | 360.1K |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.1M | 354.4K |
| RENAISSANCE TECHNOLOGIES LLC | 2.4M | 277.4K |
| GEODE CAPITAL MANAGEMENT, LLC | 1.5M | 176.0K |
| Farther Finance Advisors, LLC | 822.4K | 101.3K |
| STATE STREET CORP | 642.6K | 74.3K |
| NORTHERN TRUST CORP | 583.5K | 67.5K |
| Bank of New York Mellon Corp | 501.6K | 58.0K |
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 →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 8-K | 2026-08-14 | 2026-08-14 | on EDGAR ↗ |
| 10-Q | 2026-08-14 | 2026-06-30 | on EDGAR ↗ |
| 4 | 2026-08-04 | 2026-07-31 | on EDGAR ↗ |
| 4 | 2026-06-10 | 2026-06-08 | on EDGAR ↗ |
| 3 | 2026-06-09 | 2026-06-05 | on EDGAR ↗ |
| 8-K | 2026-06-09 | 2026-06-05 | on EDGAR ↗ |
| SD | 2026-05-19 | — | on EDGAR ↗ |
| 4 | 2026-05-18 | 2026-05-15 | 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 →
Recent headlines
- CSP Inc /ma/ (CSPI) filed form 8-K · 2026-08-14 · SEC EDGAR
- CSP INC /MA/ (CSPI) filed form 8-K · 2026-08-14 · SEC EDGAR
- CSP INC /MA/ (CSPI) filed form 10-Q · 2026-08-14 · SEC EDGAR
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