Kirk E. Kleiser, a director at $CLST, bought 1,000 shares of the company on 06-10-2026 for an estimated $16,109. 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 32.3%. Following this trade, they now own 4,100 shares of this class of $CLST stock.
$CLST Insider Trading Activity
$CLST insiders have traded $CLST stock on the open market 5 times in the past 6 months. Of those trades, 3 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $CLST stock by insiders over the last 6 months:
- KIRK E. KLEISER has made 3 purchases buying 6,200 shares for an estimated $99,893 and 2 sales selling 6,000 shares for an estimated $96,210.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$CLST Hedge Fund Activity
We have seen 7 institutional investors add shares of $CLST stock to their portfolio, and 8 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- MURCHINSON LTD. removed 259,067 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $4,290,149
- ALLIANCEBERNSTEIN L.P. added 31,630 shares (+inf%) to their portfolio in Q1 2026, for an estimated $523,792
- STILWELL VALUE LLC added 27,737 shares (+10.9%) to their portfolio in Q1 2026, for an estimated $459,324
- KESTRA ADVISORY SERVICES, LLC added 25,000 shares (+inf%) to their portfolio in Q1 2026, for an estimated $413,999
- CITADEL ADVISORS LLC added 13,001 shares (+inf%) to their portfolio in Q1 2026, for an estimated $215,296
- SUSQUEHANNA INTERNATIONAL GROUP, LLP added 10,825 shares (+inf%) to their portfolio in Q1 2026, for an estimated $179,262
- VANGUARD GROUP INC removed 4,206 shares (-1.9%) from their portfolio in Q4 2025, for an estimated $66,244
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.