CSPI Insider Buying — Recent SEC Form 4 Activity
Track insider buying activity for CSP INC /MA/ ($CSPI). See every SEC Form 4 purchase by CEOs, CFOs, directors, and 10% owners over the last 90 days — sourced directly from EDGAR.
In the past 90 days, 3 insiders at CSP INC /MA/ (CSPI) made open-market purchases totaling $58,000.48. The most recent transaction was on 2026-06-10.
Recent Insider Purchases at CSP INC /MA/
| Date | Insider | Shares | Value |
|---|---|---|---|
| 2026-06-10 | NERGES JOSEPH R | 71 | $588.95 |
| 2026-06-10 | NERGES JOSEPH R | 100 | $832.00 |
| 2026-06-10 | NERGES JOSEPH R | 199 | $1,601.75 |
| 2026-06-10 | NERGES JOSEPH R | 700 | $6,083.00 |
| 2026-06-10 | NERGES JOSEPH R | 500 | $4,300.00 |
| 2026-06-10 | NERGES JOSEPH R | 800 | $6,722.40 |
| 2026-06-10 | NERGES JOSEPH R | 1,000 | $8,750.00 |
| 2026-05-18 | FOLGER ANTHONY | 2,500 | $23,395.00 |
| 2026-05-14 | Azeri Ismail | 218 | $2,051.38 |
| 2026-05-13 | NERGES JOSEPH R | 400 | $3,676.00 |
Top Insiders Buying CSPI
- $32,554.108 purchases
- $23,395.001 purchase
- $2,051.381 purchase
Frequently Asked — CSPI Insider Buying
What is CSPI insider buying?
$CSPI insider buying refers to open-market purchases of CSP INC /MA/ stock by corporate insiders — officers, directors, and shareholders owning more than 10% of the company. Every purchase is disclosed to the SEC on Form 4 within two business days and is shown on this page.
Why does CSPI insider activity matter?
Insiders have the best view into CSP INC /MA/'s operations. When they buy their own stock with personal money — rather than selling option grants — it signals conviction. Clusters of insider buying (two or more insiders purchasing within 14 days) have historically preceded above-market returns.
Where does this CSPI insider data come from?
Every transaction on this page is sourced directly from SEC EDGAR Form 4 filings. InsiderAct ingests these filings in near real time and filters for open-market purchases (transaction code P).
How do I get alerts when CSPI insiders buy?
Add $CSPI to your InsiderAct watchlist and enable email alerts. You'll be notified when a new Form 4 purchase is filed — usually within hours of the transaction.
What is a "cluster buy" signal?
InsiderAct flags a cluster buy when two or more independent insiders at the same company buy on the open market within a 14-day window. Cluster buys are the highest-conviction insider signal we track.
Related Insider Activity
Other stocks with recent insider buying on SEC Form 4
Want alerts when CSPI insiders buy?
Add $CSPI to your watchlist and get notified the moment a new Form 4 is filed.
Data sourced from SEC Form 4 filings via EDGAR. Read more: What is SEC Form 4?