David T Howton, the Chief Operating Officer of $SLDB, sold 18,894 shares of the company on 02-04-2026 for an estimated $121,713. We received data on the trade from a recent SEC filing. This was a sale of approximately 16.2% of their shares of this class of stock. Following this trade, they now own 97,859 shares of this class of $SLDB stock.
$SLDB Insider Trading Activity
$SLDB insiders have traded $SLDB stock on the open market 22 times in the past 6 months. Of those trades, 0 have been purchases and 22 have been sales.
Here’s a breakdown of recent trading of $SLDB stock by insiders over the last 6 months:
- ALEXANDER CUMBO (President and CEO) has made 0 purchases and 3 sales selling 139,979 shares for an estimated $886,934.
- DAVID T HOWTON (Chief Operating Officer) has made 0 purchases and 3 sales selling 61,597 shares for an estimated $390,043.
- KEVIN TAN (CFO & Treasurer) has made 0 purchases and 3 sales selling 47,324 shares for an estimated $298,037.
- GABRIEL BROOKS (Chief Medical Officer) has made 0 purchases and 3 sales selling 43,846 shares for an estimated $280,914.
- JESSIE HANRAHAN (Chief Regulatory Officer) has made 0 purchases and 3 sales selling 43,366 shares for an estimated $273,255.
- PAUL HERZICH (Chief Technology Officer) has made 0 purchases and 3 sales selling 39,856 shares for an estimated $253,019.
- ILAN GANOT has made 0 purchases and 4 sales selling 11,727 shares for an estimated $66,895.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$SLDB Hedge Fund Activity
We have seen 65 institutional investors add shares of $SLDB stock to their portfolio, and 50 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ADAGE CAPITAL PARTNERS GP, L.L.C. removed 2,729,484 shares (-40.6%) from their portfolio in Q3 2025, for an estimated $16,840,916
- MONASHEE INVESTMENT MANAGEMENT LLC removed 2,165,000 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $13,358,050
- VESTAL POINT CAPITAL, LP added 1,470,000 shares (+97.7%) to their portfolio in Q3 2025, for an estimated $9,069,900
- BOXER CAPITAL MANAGEMENT, LLC added 600,000 shares (+inf%) to their portfolio in Q3 2025, for an estimated $3,702,000
- ARMISTICE CAPITAL, LLC added 536,000 shares (+134.0%) to their portfolio in Q3 2025, for an estimated $3,307,120
- RENAISSANCE TECHNOLOGIES LLC added 463,700 shares (+inf%) to their portfolio in Q3 2025, for an estimated $2,861,029
- PANAGORA ASSET MANAGEMENT INC added 397,188 shares (+inf%) to their portfolio in Q3 2025, for an estimated $2,450,649
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$SLDB Analyst Ratings
Wall Street analysts have issued reports on $SLDB in the last several months. We have seen 3 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Needham issued a "Buy" rating on 12/04/2025
- JP Morgan issued a "Overweight" rating on 11/05/2025
- Wedbush issued a "Outperform" rating on 08/13/2025
To track analyst ratings and price targets for $SLDB, check out Quiver Quantitative's $SLDB forecast page.
$SLDB Price Targets
Multiple analysts have issued price targets for $SLDB recently. We have seen 6 analysts offer price targets for $SLDB in the last 6 months, with a median target of $14.0.
Here are some recent targets:
- Gil Blum from Needham set a target price of $16.0 on 01/14/2026
- Anupam Rama from JP Morgan set a target price of $11.0 on 11/05/2025
- Yigal Nochomovitz from Citigroup set a target price of $14.0 on 11/05/2025
- Gena Wang from Barclays set a target price of $9.0 on 11/04/2025
- Geulah Livshits from Chardan Capital set a target price of $15.0 on 11/04/2025
- Laura Chico from Wedbush set a target price of $14.0 on 08/13/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
