As of the latest Form 4 filed Jun 10, 2026.
What CSP Inc insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 39 most recent filings for CSPI.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-10 | 2026-06-10 | NERGES JOSEPH R 10% owner | PPurchase | +100.00 | $8.32 | $832.00 | No | Form 4 ↗ |
| 2026-06-10 | 2026-06-10 | NERGES JOSEPH R, 10% owner | PPurchase | +71.00 | $8.30 | $588.95 | No | Form 4 ↗ |
| 2026-06-10 | 2026-06-09 | NERGES JOSEPH R, 10% owner | PPurchase | +199.00 | $8.05 | $1.60K | No | Form 4 ↗ |
| 2026-06-10 | 2026-06-09 | NERGES JOSEPH R, 10% owner | PPurchase | +700.00 | $8.69 | $6.08K | No | Form 4 ↗ |
| 2026-06-10 | 2026-06-08 | NERGES JOSEPH R, 10% owner | PPurchase | +800.00 | $8.40 | $6.72K | No | Form 4 ↗ |
| 2026-06-10 | 2026-06-08 | NERGES JOSEPH R, 10% owner | PPurchase | +500.00 | $8.60 | $4.30K | No | Form 4 ↗ |
| 2026-06-10 | 2026-06-08 | NERGES JOSEPH R, 10% owner | PPurchase | +1.00K | $8.75 | $8.75K | No | Form 4 ↗ |
| 2026-05-18 | 2026-05-15 | FOLGER ANTHONY Director | PPurchase | +2.50K | $9.36 | $23.4K | No | Form 4 ↗ |
| 2026-05-14 | 2026-05-13 | Azeri Ismail Director | PPurchase | +218.00 | $9.41 | $2.05K | No | Form 4 ↗ |
| 2026-05-14 | 2026-05-12 | Azeri Ismail, Director | PPurchase | +2.28K | $9.38 | $21.4K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-13 | NERGES JOSEPH R 10% owner | PPurchase | +500.00 | $9.26 | $4.63K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-13 | NERGES JOSEPH R, 10% owner | PPurchase | +400.00 | $9.19 | $3.68K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-12 | Webber Stephen J. Director | PPurchase | +2.50K | $9.48 | $23.7K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-12 | NERGES JOSEPH R 10% owner | PPurchase | +200.00 | $9.15 | $1.83K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-12 | NERGES JOSEPH R, 10% owner | PPurchase | +800.00 | $9.30 | $7.44K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | NERGES JOSEPH R, 10% owner | PPurchase | +500.00 | $9.20 | $4.60K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | NERGES JOSEPH R, 10% owner | PPurchase | +348.00 | $9.18 | $3.19K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | NERGES JOSEPH R, 10% owner | PPurchase | +1.50K | $9.22 | $13.8K | No | Form 4 ↗ |
| 2026-04-15 | 2026-03-27 | Azeri Ismail Director | AAward | +5.00K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-01 | 2026-03-27 | Webber Stephen J. Director | AAward | +10.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-01 | 2026-03-27 | FOLGER ANTHONY Director | AAward | +10.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-01 | 2026-03-27 | SOUTHWELL GARY President ARIA Cybersecurity | AAward | +15.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-01 | 2026-03-27 | Dellovo Victor President and CEO | AAward | +35.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-04-01 | 2026-03-27 | LEVINE GARY W CEO and Secretary | AAward | +8.50K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-13 | 2026-03-13 | NERGES JOSEPH R 10% owner | PPurchase | +200.00 | $8.59 | $1.72K | No | Form 4 ↗ |
| 2026-03-13 | 2026-03-12 | NERGES JOSEPH R, 10% owner | PPurchase | +407.00 | $8.45 | $3.44K | No | Form 4 ↗ |
| 2026-03-13 | 2026-03-12 | NERGES JOSEPH R, 10% owner | PPurchase | +500.00 | $8.58 | $4.29K | No | Form 4 ↗ |
| 2026-03-13 | 2026-03-11 | NERGES JOSEPH R, 10% owner | PPurchase | +400.00 | $8.48 | $3.39K | No | Form 4 ↗ |
| 2026-03-13 | 2026-03-11 | NERGES JOSEPH R, 10% owner | PPurchase | +300.00 | $8.45 | $2.54K | No | Form 4 ↗ |
| 2026-03-13 | 2026-03-11 | NERGES JOSEPH R, 10% owner | PPurchase | +400.00 | $8.50 | $3.40K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-25 | NERGES JOSEPH R 10% owner | PPurchase | +100.00 | $8.70 | $870.00 | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-25 | NERGES JOSEPH R, 10% owner | PPurchase | +200.00 | $8.75 | $1.75K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-25 | NERGES JOSEPH R, 10% owner | PPurchase | +500.00 | $8.80 | $4.40K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-25 | NERGES JOSEPH R, 10% owner | PPurchase | +200.00 | $8.95 | $1.79K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-25 | NERGES JOSEPH R, 10% owner | PPurchase | +300.00 | $8.92 | $2.67K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-25 | NERGES JOSEPH R, 10% owner | PPurchase | +200.00 | $8.92 | $1.78K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-24 | NERGES JOSEPH R, 10% owner | PPurchase | +500.00 | $8.79 | $4.39K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-24 | NERGES JOSEPH R, 10% owner | PPurchase | +500.00 | $8.72 | $4.36K | No | Form 4 ↗ |
| 2026-02-26 | 2026-02-24 | NERGES JOSEPH R, 10% owner | PPurchase | +500.00 | $8.69 | $4.34K | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also CSPI’s full analysis or the market-wide insider trading feed. The tabs above jump to CSPI’s other SEC data.
Source: SEC Form 4 filings for CSPI, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.