CSPI
insider transactionsCSP INC /MA/ — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Cluster buy signal: Multiple insiders at the same company buying around the same time — often a stronger signal than a single buy. 4 different insiders made open-market purchases in the last 365 days, totalling $285.3K.
Net shares · 365d
+31.3K
31.3K buy · 0 sell
Net value · 365d
$285.3K
$285.3K in · $0 out
Sentiment · 365d
Net buying
100% buying · 0% selling
Open-market trades · 365d
44
31.3K buy · 0 sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Buy·P
10% Owner
$832
100 sh · $8.32
Own +0%
-
Buy·P
10% Owner
$589
71 sh · $8.30
Own +0%
-
Buy·P
10% Owner
$1.6K
199 sh · $8.05
Own +0%
-
Buy·P
10% Owner
$6.1K
700 sh · $8.69
Own +0%
-
Buy·P
10% Owner
$6.7K
800 sh · $8.40
Own +0%
-
Buy·P
10% Owner
$4.3K
500 sh · $8.60
Own +0%
-
Buy·P
10% Owner
$8.8K
1.0K sh · $8.75
Own +0%
-
Buy·P
Director
$23.4K
2.5K sh · $9.36
Own +25%
-
Buy·P
10% Owner
$4.6K
500 sh · $9.26
Own +0%
-
Buy·P
10% Owner
$3.7K
400 sh · $9.19
Own +0%
-
Buy·P
Director
$2.1K
218 sh · $9.41
Own +0%
-
Buy·P
Director
$23.7K
2.5K sh · $9.48
Own +25%
-
Buy·P
10% Owner
$1.8K
200 sh · $9.15
Own +0%
-
Buy·P
10% Owner
$7.4K
800 sh · $9.30
Own +0%
-
Buy·P
Director
$21.4K
2.3K sh · $9.38
Own +2%
-
Buy·P
10% Owner
$4.6K
500 sh · $9.20
Own +0%
-
Buy·P
10% Owner
$3.2K
348 sh · $9.18
Own +0%
-
Buy·P
10% Owner
$13.8K
1.5K sh · $9.22
Own +0%
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Director
$0
10.0K sh
Own New
-
Grant·A
Gary Southwell KEY
President ARIA Cybersecurity
$0
15.0K sh
Own +12%
-
Grant·A
Victor Dellovo KEY
President and CEO
$0
35.0K sh
Own +4%
-
Grant·A
Gary W Levine KEY
CEO and Secretary
$0
8.5K sh
Own +4%
-
Grant·A
Director
$0
5.0K sh
Own +5%
-
Buy·P
10% Owner
$1.7K
200 sh · $8.59
Own +0%
-
Buy·P
10% Owner
$3.4K
407 sh · $8.45
Own +0%
-
Buy·P
10% Owner
$4.3K
500 sh · $8.58
Own +0%
-
Buy·P
10% Owner
$3.4K
400 sh · $8.48
Own +0%
-
Buy·P
10% Owner
$2.5K
300 sh · $8.45
Own +0%
-
Buy·P
10% Owner
$3.4K
400 sh · $8.50
Own +0%
-
Buy·P
10% Owner
$870
100 sh · $8.70
Own +0%
-
Buy·P
10% Owner
$1.8K
200 sh · $8.75
Own +0%
-
Buy·P
10% Owner
$4.4K
500 sh · $8.80
Own +0%
-
Buy·P
10% Owner
$1.8K
200 sh · $8.95
Own +0%
-
Buy·P
10% Owner
$2.7K
300 sh · $8.92
Own +0%
-
Buy·P
10% Owner
$1.8K
200 sh · $8.92
Own +0%
-
Buy·P
10% Owner
$4.4K
500 sh · $8.79
Own +0%
-
Buy·P
10% Owner
$4.4K
500 sh · $8.72
Own +0%
-
Buy·P
10% Owner
$4.3K
500 sh · $8.69
Own +0%
-
Buy·P
10% Owner
$3.7K
400 sh · $9.13
Own +0%
-
Buy·P
10% Owner
$1.0K
112 sh · $9.18
Own +0%
-
Buy·P
10% Owner
$7.3K
800 sh · $9.12
Own +0%
-
Buy·P
10% Owner
$9.2K
1.0K sh · $9.21
Own +0%
-
Buy·P
10% Owner
$12.0K
1.3K sh · $9.20
Own +0%
-
Buy·P
10% Owner
$9.3K
1.0K sh · $9.30
Own +0%
-
Buy·P
10% Owner
$8.2K
900 sh · $9.15
Own +0%
-
Buy·P
10% Owner
$16.6K
1.8K sh · $9.21
Own +0%
-
Buy·P
10% Owner
$9.3K
1.0K sh · $9.27
Own +0%
-
Buy·P
10% Owner
$11.0K
1.2K sh · $9.18
Own +0%
-
Buy·P
10% Owner
$14.0K
1.5K sh · $9.32
Own +0%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 10, 2026 | Joseph R Nerges | Buy P | 100 | $832 |
| Jun 10, 2026 | Joseph R Nerges | Buy P | 71 | $589 |
| Jun 9, 2026 | Joseph R Nerges | Buy P | 199 | $1.6K |
| Jun 9, 2026 | Joseph R Nerges | Buy P | 700 | $6.1K |
| Jun 8, 2026 | Joseph R Nerges | Buy P | 800 | $6.7K |
| Jun 8, 2026 | Joseph R Nerges | Buy P | 500 | $4.3K |
| Jun 8, 2026 | Joseph R Nerges | Buy P | 1.0K | $8.8K |
| May 15, 2026 | Anthony Folger | Buy P | 2.5K | $23.4K |
| May 13, 2026 | Joseph R Nerges | Buy P | 500 | $4.6K |
| May 13, 2026 | Joseph R Nerges | Buy P | 400 | $3.7K |
| May 13, 2026 | Ismail Azeri | Buy P | 218 | $2.1K |
| May 12, 2026 | Stephen J. Webber | Buy P | 2.5K | $23.7K |
| May 12, 2026 | Joseph R Nerges | Buy P | 200 | $1.8K |
| May 12, 2026 | Joseph R Nerges | Buy P | 800 | $7.4K |
| May 12, 2026 | Ismail Azeri | Buy P | 2.3K | $21.4K |
| May 11, 2026 | Joseph R Nerges | Buy P | 500 | $4.6K |
| May 11, 2026 | Joseph R Nerges | Buy P | 348 | $3.2K |
| May 11, 2026 | Joseph R Nerges | Buy P | 1.5K | $13.8K |
| Mar 27, 2026 | Stephen J. Webber | Grant A | 10.0K | $0 |
| Mar 27, 2026 | Anthony Folger | Grant A | 10.0K | $0 |
| Mar 27, 2026 | Gary Southwell KEY | Grant A | 15.0K | $0 |
| Mar 27, 2026 | Victor Dellovo KEY | Grant A | 35.0K | $0 |
| Mar 27, 2026 | Gary W Levine KEY | Grant A | 8.5K | $0 |
| Mar 27, 2026 | Ismail Azeri | Grant A | 5.0K | $0 |
| Mar 13, 2026 | Joseph R Nerges | Buy P | 200 | $1.7K |
| Mar 12, 2026 | Joseph R Nerges | Buy P | 407 | $3.4K |
| Mar 12, 2026 | Joseph R Nerges | Buy P | 500 | $4.3K |
| Mar 11, 2026 | Joseph R Nerges | Buy P | 400 | $3.4K |
| Mar 11, 2026 | Joseph R Nerges | Buy P | 300 | $2.5K |
| Mar 11, 2026 | Joseph R Nerges | Buy P | 400 | $3.4K |
| Feb 25, 2026 | Joseph R Nerges | Buy P | 100 | $870 |
| Feb 25, 2026 | Joseph R Nerges | Buy P | 200 | $1.8K |
| Feb 25, 2026 | Joseph R Nerges | Buy P | 500 | $4.4K |
| Feb 25, 2026 | Joseph R Nerges | Buy P | 200 | $1.8K |
| Feb 25, 2026 | Joseph R Nerges | Buy P | 300 | $2.7K |
| Feb 25, 2026 | Joseph R Nerges | Buy P | 200 | $1.8K |
| Feb 24, 2026 | Joseph R Nerges | Buy P | 500 | $4.4K |
| Feb 24, 2026 | Joseph R Nerges | Buy P | 500 | $4.4K |
| Feb 24, 2026 | Joseph R Nerges | Buy P | 500 | $4.3K |
| Feb 19, 2026 | Joseph R Nerges | Buy P | 400 | $3.7K |
| Feb 19, 2026 | Joseph R Nerges | Buy P | 112 | $1.0K |
| Feb 18, 2026 | Joseph R Nerges | Buy P | 800 | $7.3K |
| Feb 18, 2026 | Joseph R Nerges | Buy P | 1.0K | $9.2K |
| Feb 18, 2026 | Joseph R Nerges | Buy P | 1.3K | $12.0K |
| Feb 18, 2026 | Joseph R Nerges | Buy P | 1.0K | $9.3K |
| Feb 17, 2026 | Joseph R Nerges | Buy P | 900 | $8.2K |
| Feb 17, 2026 | Joseph R Nerges | Buy P | 1.8K | $16.6K |
| Feb 17, 2026 | Joseph R Nerges | Buy P | 1.0K | $9.3K |
| Feb 17, 2026 | Joseph R Nerges | Buy P | 1.2K | $11.0K |
| Feb 17, 2026 | Joseph R Nerges | Buy P | 1.5K | $14.0K |
About CSPI insider trading
This page tracks insider transactions for CSP INC /MA/ (CSPI) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.