Form4insider filings, from the source

Company · CIK 0000356037 · SIC 7373 — Services-Computer Integrated Systems Design · Nasdaq

CSP INC /MA/ · CSPI

Insider activity reported against this company. All insider holders · Files at: CSPI. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market activity at this companybuys $65k · 2sales $0 · 0net $65k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 PForm 4 →Sep 15, 3:45 pm EDTJoseph R Nerges10% Owner4,600$7.84$36,0781,423,500+0.32%
Jul 31, 2026 AForm 4 →Aug 4, 4:06 pm EDTGary W LevineCFO and Secretary259$7.52$1,946216,619—
Jun 8, 2026 PForm 4 →Jun 10, 3:38 pm EDTJoseph R Nerges10% Owner3,370$8.57$28,8781,418,900+0.24%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.

Filed by this entity as an insider elsewhere — common stock

No reported common-stock activity in this period.

Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.