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buyWeak

Mark D Klein bought $124k of NSLR

Chairman, CEO and President at SURO CAPITAL CORP.. 14,571 shares at an average of $8.53, traded Aug 11, 2025, filed Aug 12, 2025.

Conviction score
30
Value
$124k
14,571 shares
Holdings after
1,530,590
+1% from before
From 52-week low
+129%
low $3.61, close $8.26
From 52-week high
-3%
high $8.53, as of Aug 11, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $124k at market
    +10
  • Relative to holdings
    Under 1% of holdings (1.0%)
    -5
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

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 +3.0%, 3m +15.1%, 6m +15.6%.

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.

NSLROct 12, 2026 · close 7.06
Since filing Aug 12, 2025: -15.7%SPY +22.7% · excess -38.4%

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 0001641172-25-023261, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 11, 2025POpen-market purchase
Common Stock
+4,571$8.69$40k1,520,590Aug 12, 2025
Aug 12, 2025POpen-market purchase
Common Stock
+10,000$8.45$85k1,530,590Aug 12, 2025

Related signals

Other insiders at SURO CAPITAL CORP. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
26Weak
NSLRbuy
SURO CAPITAL CORP.
Mark D Klein
Chairman, CEO and President
$40k
5,000 shares
+0%
27Weak
NSLRsell
SURO CAPITAL CORP.
Ronald M. Lott
director
$51k
5,085 shares
-24%
49Moderate
NSLRbuy
SURO CAPITAL CORP.
Erik A Falk
director
$511k
50,000 shares
-
46Moderate
NSLRbuy
SURO CAPITAL CORP.
Mark D Klein
Chairman, CEO and President
$250k
26,040 shares
+2%
20Weak
NSLRsell
SURO CAPITAL CORP.
Ronald M. Lott
director
$6,175
500 shares
-14%
46Moderate
NSLRsell
SURO CAPITAL CORP.
Ronald M. Lott
director
$138k
10,669 shares
-50%
28Weak
NSLRbuy
SURO CAPITAL CORP.
Mark D Klein
Chairman, CEO and President
$66k
5,000 shares
+0%
15Weak
NSLRsell
SURO CAPITAL CORP.
Ronald M. Lott
director
$2,919
473 shares
-2%
28Weak
NSLRsell
SURO CAPITAL CORP.
Ronald M. Lott
director
$66k
7,500 shares
-20%
38Weak
NSLRbuy
SURO CAPITAL CORP.
Mark D Klein
Chairman, CEO and President
$87k
16,500 shares
+1%

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.

Mark D Klein bought $124k of NSLR | InsiderTell