CSPI insider buying
CSP INC /MA/
Every qualifying open-market purchase of CSPI reported to the SEC on Form 4, parsed directly from the filings and linked back to the source on EDGAR. No buying cluster — two or more distinct insiders inside a rolling window — has been detected in CSPI yet; if one forms, it appears here (and hits our alert subscribers in real time).
All notable open-market buys in CSPI
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Mar 13, 2026 | 10% Owner | 200 | $8.59 | $1.7K | SEC ↗ |
| Mar 12, 2026 | 10% Owner | 500 | $8.58 | $4.3K | SEC ↗ |
| Mar 12, 2026 | 10% Owner | 407 | $8.45 | $3.4K | SEC ↗ |
| Mar 11, 2026 | 10% Owner | 400 | $8.50 | $3.4K | SEC ↗ |
| Mar 11, 2026 | 10% Owner | 400 | $8.48 | $3.4K | SEC ↗ |
| Mar 11, 2026 | 10% Owner | 300 | $8.45 | $2.5K | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 500 | $8.80 | $4.4K | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 300 | $8.92 | $2.7K | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 200 | $8.95 | $1.8K | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 200 | $8.92 | $1.8K | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 200 | $8.75 | $1.8K | SEC ↗ |
| Feb 25, 2026 | 10% Owner | 100 | $8.70 | $870.0 | SEC ↗ |
| Feb 24, 2026 | 10% Owner | 500 | $8.79 | $4.4K | SEC ↗ |
| Feb 24, 2026 | 10% Owner | 500 | $8.72 | $4.4K | SEC ↗ |
| Feb 24, 2026 | 10% Owner | 500 | $8.69 | $4.3K | SEC ↗ |
| Feb 19, 2026 | 10% Owner | 400 | $9.13 | $3.7K | SEC ↗ |
| Feb 19, 2026 | 10% Owner | 112 | $9.18 | $1.0K | SEC ↗ |
| Feb 18, 2026 | 10% Owner | 1,300 | $9.20 | $12.0K | SEC ↗ |
| Feb 18, 2026 | 10% Owner | 1,000 | $9.30 | $9.3K | SEC ↗ |
| Feb 18, 2026 | 10% Owner | 1,000 | $9.21 | $9.2K | SEC ↗ |
| Feb 18, 2026 | 10% Owner | 800 | $9.12 | $7.3K | SEC ↗ |
| Feb 17, 2026 | 10% Owner | 1,800 | $9.21 | $16.6K | SEC ↗ |
| Feb 17, 2026 | 10% Owner | 1,500 | $9.32 | $14.0K | SEC ↗ |
| Feb 17, 2026 | 10% Owner | 1,200 | $9.18 | $11.0K | SEC ↗ |
| Feb 17, 2026 | 10% Owner | 1,000 | $9.27 | $9.3K | SEC ↗ |
CSPI insider buying — FAQ
- Are insiders buying CSPI stock?
- 1 insider has bought CSPI (CSP INC /MA/) on the open market, most recently on Mar 13, 2026. No cluster buy — two or more distinct insiders within a rolling window — has been detected yet.
- How much CSPI stock have insiders bought?
- Insiders have bought a combined $959.3K of CSPI across 209 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in CSPI?
- A cluster buy is two or more distinct CSP INC /MA/ insiders — officers, directors, or 10% owners — each buying CSPI on the open market within a rolling window. None has been detected in CSPI yet.
- Where does this CSPI insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in CSPI
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy CSPI within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding CSPI.