Nasdaq · CIK 0000356037
CSPI CSP INC /MA/
Insider trading from SEC Form 4. Last filing 28 d ago. Close $7.36 on Oct 9, 2026, +1% from the 52-week low and -50% from the high.
CSP INC /MA/ (CSPI) has 25 SEC Form 4 filings on file from 7 insiders, the latest filed on Sep 15, 2026. In the last 90 days insiders made 1 open-market buy worth $36k and 0 open-market sells worth $0, net +$36k.
16 open-market trades have been scored at CSPI. The newest: Joseph R Nerges (10% owner) bought $36k of stock on Sep 11, 2026, filed Sep 15, 2026, scored 8 (weak). The largest of the 16 shown: Joseph R Nerges (10% owner) bought $102k on Feb 17, 2026, scored 30 (weak). 4 insiders bought within 14 days of each other around May 15, 2026.
CSPI closed at $7.36 on Oct 9, 2026, 1% above its 52-week low and 50% below its 52-week high.
4 Form 144 notices of planned sales are on file, the latest filed Mar 19, 2025.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at CSP INC /MA/, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 8Weak | Joseph R Nerges owner buy | $36k 4,600 shares | +0% | - | |
| 30Weak | Joseph R Nerges owner buy | $29k 3,370 shares | +0% | +5% from low-44% from high | |
| 44Moderate | Anthony Folger director buy | $23k 2,500 shares | +25% | +17% from low-39% from high | |
| 38Weak | Ismail Azeri director buy | $23k 2,500 shares | +2% | +15% from low-45% from high | |
| 36Weak | Joseph R Nerges owner buy | $39k 4,248 shares | +0% | +14% from low-45% from high | |
| 44Moderate | Stephen J. Webber director buy | $24k 2,500 shares | +25% | +15% from low-45% from high | |
| 25Weak | Joseph R Nerges owner buy | $19k 2,207 shares | +0% | 0% from low-51% from high | |
| 30Weak | Joseph R Nerges owner buy | $26k 3,000 shares | +0% | +1% from low-49% from high | |
| 30Weak | Joseph R Nerges owner buy | $102k 11,012 shares | +1% | 0% from low-51% from high | |
| 10Weak | Joseph R Nerges owner buy | $25k 2,200 shares | +0% | +12% from low-45% from high | |
| 31Weak | Joseph R Nerges owner buy | $46k 3,850 shares | +0% | +0% from low-44% from high | |
| 20Weak | Joseph R Nerges owner buy | $28k 2,000 shares | +0% | +19% from low-33% from high | |
| 11Weak | Joseph R Nerges owner buy | $25k 1,700 shares | +0% | +27% from low-29% from high | |
| 12Weak | Joseph R Nerges owner buy | $31k 2,000 shares | +0% | - | |
| 13Weak | Joseph R Nerges owner buy | $39k 2,454 shares | +0% | - | |
| 9Weak | Joseph R Nerges owner buy | $58k 2,998 shares | +0% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Mar 19, 2025 | JAMES C SHELTON Director | 20,000 0.20% of outstanding | $346k | Mar 19, 2025 | $183k |
| Feb 18, 2025 | Blackmon Raymond Charles JR Retired Director | 60,000 0.61% of outstanding | $1.2M | Feb 18, 2025 | $757k |
| Feb 13, 2025 | JAMES C SHELTON Director | 20,000 0.03% of outstanding | $382k | Feb 13, 2025 | none |
| Feb 12, 2025 | Blackmon Raymond Charles JR Director | 38,500 0.39% of outstanding | $757k | Feb 12, 2025 | none |
Transactions
The newest 50 of 108 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,600 | $7.75 | $12k | 1,420,500 | 28 d ago |
| Sep 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,000 | $7.85 | $7,850 | 1,421,500 | 28 d ago |
| Sep 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,000 | $7.90 | $7,900 | 1,422,500 | 28 d ago |
| Sep 14, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $7.90 | $3,950 | 1,423,000 | 28 d ago |
| Sep 15, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +28 | $7.90 | $221 | 1,423,028 | 28 d ago |
| Sep 15, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +472 | $7.96 | $3,757 | 1,423,500 | 28 d ago |
| Jun 8, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,000 | $8.75 | $8,750 | 1,416,530 | Jun 10, 2026 |
| Jun 8, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $8.60 | $4,300 | 1,417,030 | Jun 10, 2026 |
| Jun 8, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +800 | $8.40 | $6,722 | 1,417,830 | Jun 10, 2026 |
| Jun 9, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +700 | $8.69 | $6,083 | 1,418,530 | Jun 10, 2026 |
| Jun 9, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +199 | $8.05 | $1,602 | 1,418,729 | Jun 10, 2026 |
| Jun 10, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +71 | $8.30 | $589 | 1,418,800 | Jun 10, 2026 |
| Jun 10, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +100 | $8.32 | $832 | 1,418,900 | Jun 10, 2026 |
| May 15, 2026 | Anthony Folger director | POpen-market purchase Common Stock | +2,500 | $9.36 | $23k | 12,500 | May 18, 2026 |
| May 12, 2026 | Ismail Azeri director | POpen-market purchase Common Stock | +2,282 | $9.38 | $21k | 108,272 | May 14, 2026 |
| May 13, 2026 | Ismail Azeri director | POpen-market purchase Common Stock | +218 | $9.41 | $2,051 | 108,490 | May 14, 2026 |
| May 12, 2026 | Stephen J. Webber director | POpen-market purchase Common Stock | +2,500 | $9.48 | $24k | 12,500 | May 13, 2026 |
| May 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,500 | $9.22 | $14k | 1,412,782 | May 13, 2026 |
| May 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +348 | $9.18 | $3,195 | 1,413,130 | May 13, 2026 |
| May 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $9.20 | $4,600 | 1,413,630 | May 13, 2026 |
| May 12, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +800 | $9.30 | $7,440 | 1,414,430 | May 13, 2026 |
| May 12, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +200 | $9.15 | $1,830 | 1,414,630 | May 13, 2026 |
| May 13, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +400 | $9.19 | $3,676 | 1,415,030 | May 13, 2026 |
| May 13, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $9.26 | $4,630 | 1,415,530 | May 13, 2026 |
| Mar 27, 2026 | Ismail Azeri director | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 105,990 | Apr 15, 2026 |
| Mar 27, 2026 | Gary W Levine CEO and Secretary | AGrant or award Common Stock | +8,500 | $0.00 | $0 | 216,360 | Apr 1, 2026 |
| Mar 27, 2026 | Victor Dellovo President and CEO | AGrant or award Common Stock | +35,000 | $0.00 | $0 | 866,860 | Apr 1, 2026 |
| Mar 27, 2026 | Gary Southwell President ARIA Cybersecurity | AGrant or award Common Stock | +15,000 | $0.00 | $0 | 135,222 | Apr 1, 2026 |
| Mar 27, 2026 | Anthony Folger director | AGrant or award Common Stock | +10,000 | $0.00 | $0 | 10,000 | Apr 1, 2026 |
| Mar 27, 2026 | Stephen J. Webber director | AGrant or award Common Stock | +10,000 | $0.00 | $0 | 10,000 | Apr 1, 2026 |
| Mar 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +400 | $8.50 | $3,400 | 1,409,475 | Mar 13, 2026 |
| Mar 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +300 | $8.45 | $2,535 | 1,409,775 | Mar 13, 2026 |
| Mar 11, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +400 | $8.48 | $3,392 | 1,410,175 | Mar 13, 2026 |
| Mar 12, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $8.58 | $4,290 | 1,410,675 | Mar 13, 2026 |
| Mar 12, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +407 | $8.45 | $3,439 | 1,411,082 | Mar 13, 2026 |
| Mar 13, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +200 | $8.59 | $1,718 | 1,411,282 | Mar 13, 2026 |
| Feb 24, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $8.69 | $4,345 | 1,406,575 | Feb 26, 2026 |
| Feb 24, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $8.72 | $4,358 | 1,407,075 | Feb 26, 2026 |
| Feb 24, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $8.79 | $4,395 | 1,407,575 | Feb 26, 2026 |
| Feb 25, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +200 | $8.92 | $1,783 | 1,407,775 | Feb 26, 2026 |
| Feb 25, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +300 | $8.92 | $2,675 | 1,408,075 | Feb 26, 2026 |
| Feb 25, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +200 | $8.95 | $1,791 | 1,408,275 | Feb 26, 2026 |
| Feb 25, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +500 | $8.80 | $4,400 | 1,408,775 | Feb 26, 2026 |
| Feb 25, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +200 | $8.75 | $1,750 | 1,408,975 | Feb 26, 2026 |
| Feb 25, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +100 | $8.70 | $870 | 1,409,075 | Feb 26, 2026 |
| Feb 17, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,500 | $9.32 | $14k | 1,396,563 | Feb 19, 2026 |
| Feb 17, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,200 | $9.18 | $11k | 1,397,763 | Feb 19, 2026 |
| Feb 17, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,000 | $9.27 | $9,270 | 1,398,763 | Feb 19, 2026 |
| Feb 17, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +1,800 | $9.21 | $17k | 1,400,563 | Feb 19, 2026 |
| Feb 17, 2026 | Joseph R Nerges owner | POpen-market purchase Common Stock | +900 | $9.15 | $8,235 | 1,401,463 | Feb 19, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Ismail Azeridirector
- Victor DellovoPresident and CEO
- Anthony Folgercfo, officer, director
- Gary W LevineCEO and Secretary
- Joseph R Nergesowner
- Gary SouthwellPresident ARIA Cybersecurity
- Stephen J. Webberdirector
Questions about CSPI
Answered from the filings on this page, as of the latest one.
Are insiders buying CSPI?
As of Sep 15, 2026, SEC Form 4 filings show 1 open-market buy worth $36k by 1 insider and 0 open-market sells worth $0 by 0 insiders at CSP INC /MA/ in the last 90 days, net +$36k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade CSPI on the open market?
Joseph R Nerges (10% owner) bought $36k of CSPI on Sep 11, 2026 and filed the Form 4 on Sep 15, 2026. InsiderTell scored 8 (weak).
How many insiders file Form 4 at CSP INC /MA/?
7 people have filed a Form 4 at CSP INC /MA/, among them Ismail Azeri (director), Victor Dellovo (President and CEO), Anthony Folger (CFO and director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.