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buyWeak

Joseph R Nerges bought $29k of CSPI

owner at CSP INC /MA/. 3,370 shares at an average of $8.57, traded Jun 8, 2026, filed Jun 10, 2026.

Conviction score
30
Value
$29k
3,370 shares
Holdings after
1,418,900
+0% from before
From 52-week low
+5%
low $7.88, close $8.27
From 52-week high
-44%
high $14.77, as of Jun 8, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $29k at market
    +5
  • Relative to holdings
    Under 1% of holdings (0.2%)
    -5
  • Price context
    5% above the 52-week low; 44% 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.

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 Jun 10, 2026: -12.4%SPY +7.8% · excess -20.1%

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 0001214659-26-007312, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 8, 2026POpen-market purchase
Common Stock
+1,000$8.75$8,7501,416,530Jun 10, 2026
Jun 8, 2026POpen-market purchase
Common Stock
+500$8.60$4,3001,417,030Jun 10, 2026
Jun 8, 2026POpen-market purchase
Common Stock
+800$8.40$6,7221,417,830Jun 10, 2026
Jun 9, 2026POpen-market purchase
Common Stock
+700$8.69$6,0831,418,530Jun 10, 2026
Jun 9, 2026POpen-market purchase
Common Stock
+199$8.05$1,6021,418,729Jun 10, 2026
Jun 10, 2026POpen-market purchase
Common Stock
+71$8.30$5891,418,800Jun 10, 2026
Jun 10, 2026POpen-market purchase
Common Stock
+100$8.32$8321,418,900Jun 10, 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%
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%
25Weak
CSPIbuy
CSP INC /MA/
Joseph R Nerges
owner
$19k
2,207 shares
+0%
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 $29k of CSPI | InsiderTell