R JANET WHITMORE, a director at $SLSN, bought 19,789 shares of the company on 11-14-2025 for an estimated $34,234. 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 1.0%. Following this trade, they now own 2,068,931 shares of this class of $SLSN stock.
$SLSN Insider Trading Activity
$SLSN insiders have traded $SLSN 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 $SLSN stock by insiders over the last 6 months:
- R JANET WHITMORE has made 5 purchases buying 35,056 shares for an estimated $63,273 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$SLSN Hedge Fund Activity
We have seen 23 institutional investors add shares of $SLSN stock to their portfolio, and 10 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- BARCLAYS PLC removed 136,243 shares (-73.6%) from their portfolio in Q3 2025, for an estimated $438,702
- VANGUARD GROUP INC added 101,868 shares (+10.8%) to their portfolio in Q3 2025, for an estimated $328,014
- STATE STREET CORP added 63,861 shares (+62.2%) to their portfolio in Q3 2025, for an estimated $205,632
- SUSQUEHANNA INTERNATIONAL GROUP, LLP removed 22,946 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $73,886
- DEUTSCHE BANK AG\ added 22,943 shares (+inf%) to their portfolio in Q3 2025, for an estimated $73,876
- PATHSTONE HOLDINGS, LLC added 20,000 shares (+inf%) to their portfolio in Q3 2025, for an estimated $64,400
- NORTHERN TRUST CORP removed 19,376 shares (-12.9%) from their portfolio in Q3 2025, for an estimated $62,390
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$SLSN Revenue
$SLSN had revenues of $14.6M in Q3 2025. This is a decrease of -13.45% from the same period in the prior year.
You can track SLSN financials on Quiver Quantitative's SLSN stock page.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
