We just received data on a new analyst forecast for $CSTL. Mark Massaro from BTIG set a price target of 40.0 for CSTL.
To track analyst ratings and price targets for $CSTL, check out Quiver Quantitative's $CSTL forecast page.
Should you buy $CSTL?
Some analysts are better than others. To view the past performance of BTIG, check out Quiver’s Analyst Ratings dashboard. You can also see Quiver’s Analyst Buys Strategy, which uses a proprietary method to track the companies being recommended by the top Wall Street analysts.
$CSTL Price Targets
Multiple analysts have issued price targets for $CSTL recently. We have seen 5 analysts offer price targets for $CSTL in the last 6 months, with a median target of $43.0.
Here are some recent targets:
- Mark Massaro from BTIG set a target price of $40.0 on 05/13/2026
- Catherine Ramsey from Baird set a target price of $43.0 on 05/07/2026
- Kyle Mikson from Canaccord Genuity set a target price of $40.0 on 04/20/2026
- Subbu Nambi from Guggenheim set a target price of $47.0 on 01/26/2026
- Thomas Flaten from Lake Street set a target price of $52.0 on 01/12/2026
$CSTL Insider Trading Activity
$CSTL insiders have traded $CSTL stock on the open market 61 times in the past 6 months. Of those trades, 0 have been purchases and 61 have been sales.
Here’s a breakdown of recent trading of $CSTL stock by insiders over the last 6 months:
- DEREK J MAETZOLD (Pres. & Chief Exec. Officer) has made 0 purchases and 50 sales selling 174,188 shares for an estimated $5,288,602.
- TOBIN W JUVENAL (Chief Commercial Officer) has made 0 purchases and 4 sales selling 38,956 shares for an estimated $1,195,375.
- KRISTEN M OELSCHLAGER (Chief Operating Officer) sold 14,888 shares for an estimated $585,291
- FRANK STOKES (Chief Financial Officer) has made 0 purchases and 4 sales selling 17,497 shares for an estimated $528,356.
- G BRADLEY COLE has made 0 purchases and 2 sales selling 7,403 shares for an estimated $210,727.
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.
$CSTL Revenue
$CSTL had revenues of $83.7M in Q1 2026. This is a decrease of -4.9% from the same period in the prior year.
You can track CSTL financials on Quiver Quantitative's CSTL stock page.
You can access data on CSTL stock through the Quiver Quantitative API.
$CSTL Hedge Fund Activity
We have seen 98 institutional investors add shares of $CSTL stock to their portfolio, and 92 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- RTW INVESTMENTS, LP added 2,115,237 shares (+inf%) to their portfolio in Q4 2025, for an estimated $82,282,719
- SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC added 658,725 shares (+164.7%) to their portfolio in Q4 2025, for an estimated $25,624,402
- BRAIDWELL LP removed 645,552 shares (-78.5%) from their portfolio in Q4 2025, for an estimated $25,111,972
- PARKMAN HEALTHCARE PARTNERS LLC removed 325,010 shares (-68.3%) from their portfolio in Q4 2025, for an estimated $12,642,889
- EVENTIDE ASSET MANAGEMENT, LLC added 305,000 shares (+inf%) to their portfolio in Q4 2025, for an estimated $11,864,500
- MILLENNIUM MANAGEMENT LLC removed 266,175 shares (-46.3%) from their portfolio in Q4 2025, for an estimated $10,354,207
- SG AMERICAS SECURITIES, LLC added 223,624 shares (+1051.8%) to their portfolio in Q1 2026, for an estimated $5,489,969
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.
