Home / Stocks / CSPI

CSPI insider trading

CSP INC /MA/ — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
15
Bought · 24 mo
$537k
Buys · last 90 days
1 · $29k
Most recent buy
2026-06-10

Cluster buy detected

4 insiders bought CSPI within a short window (2026-05-11→2026-06-08), $139k in total — cluster score 64/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-06-10NERGES JOSEPH Rcluster
10% owner
Bought3,370$8.57$29k
2026-05-18FOLGER ANTHONYcluster
Director
Bought2,500$9.36$23k
2026-05-14Azeri Ismailcluster
Director
Bought2,500$9.38$23k
2026-05-13NERGES JOSEPH Rcluster
10% owner
Bought4,248$9.23$39k
2026-05-13Webber Stephen J.cluster
Director
Bought2,500$9.48$24k
2026-03-13NERGES JOSEPH R
10% owner
Bought2,207$8.51$19k
2026-02-26NERGES JOSEPH R
10% owner
Bought3,000$8.79$26k
2026-02-19NERGES JOSEPH R
10% owner
Bought11,012$9.22$102k
2025-09-16NERGES JOSEPH R
10% owner
Bought2,200$11.21$25k
2025-06-16NERGES JOSEPH R
10% owner
Bought3,850$11.91$46k
2025-06-06NERGES JOSEPH R
10% owner
Bought2,000$13.86$28k
2025-05-29NERGES JOSEPH R
10% owner
Bought1,700$14.65$25k
2025-03-11NERGES JOSEPH R
10% owner
Bought2,000$15.52$31k
2025-02-26NERGES JOSEPH R
10% owner
Bought2,454$15.90$39k
2025-02-14NERGES JOSEPH R
10% owner
Bought2,998$19.37$58k

Most active insider buyers

InsiderRoleBuysTotal bought
NERGES JOSEPH R10% owner12$466k
Webber Stephen J.Director1$24k
Azeri IsmailDirector1$23k
FOLGER ANTHONYDirector1$23k

See CSPI on the chart

Every insider buy and sell for CSPI plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

Open the browserFree sample
Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.