7 insiders reported 84 Form 4 transactions for CSP INC /MA/ (CSPI) over the past 18 months (most recent 2026-09-15). Recent activity: NERGES JOSEPH R (10% Owner) Buy 1,600 shares, NERGES JOSEPH R (10% Owner) Buy 1,000 shares, NERGES JOSEPH R (10% Owner) Buy 1,000 shares, NERGES JOSEPH R (10% Owner) Buy 500 shares, NERGES JOSEPH R (10% Owner) Buy 28 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-15 | NERGES JOSEPH R | 10% Owner | Buy | 1,600 | $12,400 |
| 2026-09-15 | NERGES JOSEPH R | 10% Owner | Buy | 1,000 | $7,850 |
| 2026-09-15 | NERGES JOSEPH R | 10% Owner | Buy | 1,000 | $7,900 |
| 2026-09-15 | NERGES JOSEPH R | 10% Owner | Buy | 500 | $3,950 |
| 2026-09-15 | NERGES JOSEPH R | 10% Owner | Buy | 28 | $221 |
| 2026-09-15 | NERGES JOSEPH R | 10% Owner | Buy | 472 | $3,757 |
| 2026-08-04 | LEVINE GARY W | CFO and Secretary | Buy | 259 | $1,946 |
| 2026-06-10 | NERGES JOSEPH R | 10% Owner | Buy | 71 | $589 |
| 2026-06-10 | NERGES JOSEPH R | 10% Owner | Buy | 500 | $4,300 |
| 2026-06-10 | NERGES JOSEPH R | 10% Owner | Buy | 800 | $6,720 |
| 2026-06-10 | NERGES JOSEPH R | 10% Owner | Buy | 700 | $6,083 |
| 2026-06-10 | NERGES JOSEPH R | 10% Owner | Buy | 199 | $1,602 |
| 2026-06-10 | NERGES JOSEPH R | 10% Owner | Buy | 1,000 | $8,750 |
| 2026-06-10 | NERGES JOSEPH R | 10% Owner | Buy | 100 | $832 |
| 2026-05-18 | FOLGER ANTHONY | Director | Buy | 2,500 | $23,400 |
| 2026-05-14 | Azeri Ismail | Director | Buy | 2,282 | $21,405 |
| 2026-05-14 | Azeri Ismail | Director | Buy | 218 | $2,051 |
| 2026-05-13 | NERGES JOSEPH R | 10% Owner | Buy | 1,500 | $13,830 |
| 2026-05-13 | NERGES JOSEPH R | 10% Owner | Buy | 348 | $3,195 |
| 2026-05-13 | NERGES JOSEPH R | 10% Owner | Buy | 500 | $4,600 |
| 2026-05-13 | NERGES JOSEPH R | 10% Owner | Buy | 800 | $7,440 |
| 2026-05-13 | NERGES JOSEPH R | 10% Owner | Buy | 200 | $1,830 |
| 2026-05-13 | NERGES JOSEPH R | 10% Owner | Buy | 400 | $3,676 |
| 2026-05-13 | NERGES JOSEPH R | 10% Owner | Buy | 500 | $4,630 |
| 2026-05-13 | Webber Stephen J. | Director | Buy | 2,500 | $23,700 |
Source: SEC Form 4 filings · as of 2026-09-15