Arkolith/Insider Trading/CSPI/Form 4

Nerges Joseph R

10% OwnerCSP INC /MA/ (CSPI) · full profile →Form 4 · filed Feb 26, 2026
Net Buying
Open-Market Buys
$26K
Open-Market Sells
$0
Net Open-Market Flow
$26K
Transactions
9
9 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 25, 2026Buy(P)200$8.75$2K1.4M
Feb 25, 2026Buy(P)200$8.95$2K1.4M
Feb 25, 2026Buy(P)300$8.92$3K1.4M
Feb 25, 2026Buy(P)200$8.92$2K1.4M
Feb 25, 2026Buy(P)100$8.70$8701.4M
Feb 25, 2026Buy(P)500$8.80$4K1.4M
Feb 24, 2026Buy(P)500$8.69$4K1.4M
Feb 24, 2026Buy(P)500$8.72$4K1.4M
Feb 24, 2026Buy(P)500$8.79$4K1.4M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001214659-26-002537) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML