Form4insider filings, from the source

Insider · CIK 0000925974

Joseph R Nerges

Files at: CSPI, WULF. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $65k · 2sales $0 · 0net $65k
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 28Aug 28Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 PForm 4 →Sep 15, 3:45 pm EDTCSP INC /MA/CSPI4,600$7.84$36,0781,423,500+0.32%
Jun 8, 2026 PForm 4 →Jun 10, 3:38 pm EDTCSP INC /MA/CSPI3,370$8.57$28,8781,418,900+0.24%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.