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buyWeak

Joseph R Nerges bought $19k of CSPI

owner at CSP INC /MA/. 2,207 shares at an average of $8.51, traded Mar 11, 2026, filed Mar 13, 2026.

Conviction score
25
Value
$19k
2,207 shares
Holdings after
1,411,282
+0% from before
From 52-week low
0%
low $8.56, close $8.56
From 52-week high
-51%
high $17.54, as of Mar 11, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $19k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.2%)
    -5
  • Price context
    0% above the 52-week low; 51% below the 52-week high
    +18
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    3 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -5

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -1.1%, 3m +4.0%, 6m -12.5%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

CSPIOct 12, 2026 · close 7.50
Since filing Mar 13, 2026: -15.4%SPY +18.4% · excess -33.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001214659-26-003249, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 11, 2026POpen-market purchase
Common Stock
+400$8.50$3,4001,409,475Mar 13, 2026
Mar 11, 2026POpen-market purchase
Common Stock
+300$8.45$2,5351,409,775Mar 13, 2026
Mar 11, 2026POpen-market purchase
Common Stock
+400$8.48$3,3921,410,175Mar 13, 2026
Mar 12, 2026POpen-market purchase
Common Stock
+500$8.58$4,2901,410,675Mar 13, 2026
Mar 12, 2026POpen-market purchase
Common Stock
+407$8.45$3,4391,411,082Mar 13, 2026
Mar 13, 2026POpen-market purchase
Common Stock
+200$8.59$1,7181,411,282Mar 13, 2026

Related signals

Other insiders at CSP INC /MA/ and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
8Weak
CSPIbuy
CSP INC /MA/
Joseph R Nerges
owner
$36k
4,600 shares
+0%
30Weak
CSPIbuy
CSP INC /MA/
Joseph R Nerges
owner
$29k
3,370 shares
+0%
44Moderate
CSPIbuy 4
CSP INC /MA/
Anthony Folger
director
$23k
2,500 shares
+25%
38Weak
CSPIbuy 4
CSP INC /MA/
Ismail Azeri
director
$23k
2,500 shares
+2%
36Weak
CSPIbuy 4
CSP INC /MA/
Joseph R Nerges
owner
$39k
4,248 shares
+0%
44Moderate
CSPIbuy 4
CSP INC /MA/
Stephen J. Webber
director
$24k
2,500 shares
+25%
30Weak
CSPIbuy
CSP INC /MA/
Joseph R Nerges
owner
$26k
3,000 shares
+0%
30Weak
CSPIbuy
CSP INC /MA/
Joseph R Nerges
owner
$102k
11,012 shares
+1%
10Weak
CSPIbuy
CSP INC /MA/
Joseph R Nerges
owner
$25k
2,200 shares
+0%
31Weak
CSPIbuy
CSP INC /MA/
Joseph R Nerges
owner
$46k
3,850 shares
+0%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Joseph R Nerges bought $19k of CSPI | InsiderTell