Milton C Blackmore, a director at $IOSP, sold 652 shares of the company on 02-21-2025 for an estimated $67,352. We received data on the trade from a recent SEC filing. This was a sale of approximately 7.2% of their shares of this class of stock. Following this trade, they now own 8,376 shares of this class of $IOSP stock.
$IOSP Insider Trading Activity
$IOSP insiders have traded $IOSP stock on the open market 5 times in the past 6 months. Of those trades, 0 have been purchases and 5 have been sales.
Here’s a breakdown of recent trading of $IOSP stock by insiders over the last 6 months:
- MILTON C BLACKMORE has made 0 purchases and 2 sales selling 1,687 shares for an estimated $194,574.
- CORBIN BARNES (SVP, Corporate Dev and IR) sold 307 shares for an estimated $36,078
- CLAUDIA POCCIA sold 300 shares for an estimated $35,964
- HARDY LOUIS III GRIFFIN (SVP, HUMAN RESOURCES) sold 161 shares for an estimated $18,920
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$IOSP Hedge Fund Activity
We have seen 119 institutional investors add shares of $IOSP stock to their portfolio, and 152 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- PACER ADVISORS, INC. added 485,706 shares (+inf%) to their portfolio in Q4 2024, for an estimated $53,456,802
- WASATCH ADVISORS LP removed 225,431 shares (-12.5%) from their portfolio in Q4 2024, for an estimated $24,810,935
- CHAMPLAIN INVESTMENT PARTNERS, LLC removed 223,393 shares (-100.0%) from their portfolio in Q3 2024, for an estimated $25,263,514
- ASSENAGON ASSET MANAGEMENT S.A. removed 110,534 shares (-81.7%) from their portfolio in Q4 2024, for an estimated $12,165,372
- OSTERWEIS CAPITAL MANAGEMENT INC removed 94,595 shares (-100.0%) from their portfolio in Q3 2024, for an estimated $10,697,748
- WEISS ASSET MANAGEMENT LP added 69,735 shares (+inf%) to their portfolio in Q4 2024, for an estimated $7,675,034
- UBS GROUP AG added 68,129 shares (+411.8%) to their portfolio in Q4 2024, for an estimated $7,498,277
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.
