CSPI
CSP INC /MA/ · 66 Form 4 · free tier: 48h delay
Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).
For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.
Recent Form 4 trades
Open-market purchases and sales
CSPI · Trade · Sep 15, 2026 · Filed · Sep 15, 2026 · CSP INC /MA/
$3,978
500 sh · 2 tx
CSPI · Trade · Sep 14, 2026 · Filed · Sep 15, 2026 · CSP INC /MA/
$3,950
500 sh
CSPI · Trade · Sep 11, 2026 · Filed · Sep 15, 2026 · filed 4 days after trade · CSP INC /MA/
$28,150
3,600 sh · 3 tx
CSPI · Trade · Jun 10, 2026 · Filed · Jun 10, 2026 · CSP INC /MA/
$1,421
171 sh · 2 tx
CSPI · Trade · Jun 9, 2026 · Filed · Jun 10, 2026 · CSP INC /MA/
$7,685
899 sh · 2 tx
CSPI · Trade · Jun 8, 2026 · Filed · Jun 10, 2026 · filed 2 days after trade · CSP INC /MA/
$19,772
2,300 sh · 3 tx
CSPI · Trade · May 15, 2026 · Filed · May 18, 2026 · filed 3 days after trade · CSP INC /MA/
$23,395
2,500 sh
CSPI · Trade · May 13, 2026 · Filed · May 14, 2026 · CSP INC /MA/
$2,051
218 sh
CSPI · Trade · May 13, 2026 · Filed · May 13, 2026 · CSP INC /MA/
$8,306
900 sh · 2 tx
CSPI · Trade · May 12, 2026 · Filed · May 14, 2026 · filed 2 days after trade · CSP INC /MA/
$21,405
2,282 sh
CSPI · Trade · May 12, 2026 · Filed · May 13, 2026 · CSP INC /MA/
$9,270
1,000 sh · 2 tx
CSPI · Trade · May 12, 2026 · Filed · May 13, 2026 · CSP INC /MA/
$23,700
2,500 sh
CSPI · Trade · May 11, 2026 · Filed · May 13, 2026 · filed 2 days after trade · CSP INC /MA/
$21,625
2,348 sh · 3 tx
CSPI · Trade · Mar 13, 2026 · Filed · Mar 13, 2026 · CSP INC /MA/
$1,718
200 sh
CSPI · Trade · Mar 12, 2026 · Filed · Mar 13, 2026 · CSP INC /MA/
$7,729
907 sh · 2 tx
CSPI · Trade · Mar 11, 2026 · Filed · Mar 13, 2026 · filed 2 days after trade · CSP INC /MA/
$9,327
1,100 sh · 3 tx
CSPI · Trade · Feb 25, 2026 · Filed · Feb 26, 2026 · CSP INC /MA/
$13,268
1,500 sh · 6 tx
CSPI · Trade · Feb 24, 2026 · Filed · Feb 26, 2026 · filed 2 days after trade · CSP INC /MA/
$13,098
1,500 sh · 3 tx
CSPI · Trade · Feb 19, 2026 · Filed · Feb 19, 2026 · CSP INC /MA/
$4,680
512 sh · 2 tx
CSPI · Trade · Feb 18, 2026 · Filed · Feb 19, 2026 · CSP INC /MA/
$37,766
4,100 sh · 4 tx
CSPI · Trade · Feb 17, 2026 · Filed · Feb 19, 2026 · filed 2 days after trade · CSP INC /MA/
$59,079
6,400 sh · 5 tx
CSPI · Trade · Sep 15, 2025 · Filed · Sep 16, 2025 · CSP INC /MA/
$24,656
2,200 sh · 2 tx
CSPI · Trade · Jun 13, 2025 · Filed · Jun 16, 2025 · filed 3 days after trade · CSP INC /MA/
$45,840
3,850 sh · 4 tx
CSPI · Trade · Jun 6, 2025 · Filed · Jun 6, 2025 · CSP INC /MA/
$9,540
700 sh · 4 tx
CSPI · Trade · Jun 5, 2025 · Filed · Jun 6, 2025 · CSP INC /MA/
$2,785
200 sh
CSPI · Trade · Jun 4, 2025 · Filed · Jun 6, 2025 · filed 2 days after trade · CSP INC /MA/
$15,398
1,100 sh · 5 tx