Paul Stuka, a director at $NSPR, bought 13,431 shares of the company on 11-12-2025 for an estimated $21,758. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately 3.7%. Following this trade, they now own 373,715 shares of this class of $NSPR stock.
$NSPR Insider Trading Activity
$NSPR insiders have traded $NSPR stock on the open market 5 times in the past 6 months. Of those trades, 5 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $NSPR stock by insiders over the last 6 months:
- GARY S ROUBIN purchased 41,322 shares for an estimated $99,999
- THOMAS J KESTER purchased 30,991 shares for an estimated $74,998
- PAUL STUKA has made 2 purchases buying 34,092 shares for an estimated $71,757 and 0 sales.
- MARVIN SLOSMAN (CEO and President) purchased 10,330 shares for an estimated $24,998
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$NSPR Hedge Fund Activity
We have seen 24 institutional investors add shares of $NSPR stock to their portfolio, and 8 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ABERDEEN GROUP PLC added 2,481,117 shares (+inf%) to their portfolio in Q3 2025, for an estimated $5,979,491
- ROSALIND ADVISORS, INC. added 1,616,644 shares (+70.6%) to their portfolio in Q3 2025, for an estimated $3,896,112
- SOLEUS CAPITAL MANAGEMENT, L.P. added 940,831 shares (+99.5%) to their portfolio in Q2 2025, for an estimated $2,135,686
- INGALLS & SNYDER LLC added 225,002 shares (+inf%) to their portfolio in Q3 2025, for an estimated $542,254
- HUNTLEIGH ADVISORS, INC. added 139,776 shares (+112.5%) to their portfolio in Q3 2025, for an estimated $336,860
- UBS GROUP AG removed 124,638 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $300,377
- ESSEX INVESTMENT MANAGEMENT CO LLC removed 72,565 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $164,722
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
