David Dieter, the EVP & General Counsel of $COLL, sold 13,976 shares of the company on 03-18-2026 for an estimated $488,099. We received data on the trade from a recent SEC filing. This was a sale of approximately 15.4% of their shares of this class of stock. Following this trade, they now own 77,071 shares of this class of $COLL stock.
$COLL Insider Trading Activity
$COLL insiders have traded $COLL stock on the open market 8 times in the past 6 months. Of those trades, 0 have been purchases and 8 have been sales.
Here’s a breakdown of recent trading of $COLL stock by insiders over the last 6 months:
- JOHN A. FALLON sold 34,853 shares for an estimated $1,645,535
- COLLEEN TUPPER (EVP & Chief Financial Officer) has made 0 purchases and 2 sales selling 30,000 shares for an estimated $1,215,753.
- SCOTT DREYER (EVP & Chief Commercial Officer) has made 0 purchases and 2 sales selling 17,600 shares for an estimated $847,855.
- DAVID DIETER (EVP & General Counsel) has made 0 purchases and 2 sales selling 20,200 shares for an estimated $716,208.
- RITA J. BALICE-GORDON sold 3,650 shares for an estimated $171,673
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$COLL Hedge Fund Activity
We have seen 134 institutional investors add shares of $COLL stock to their portfolio, and 139 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- RUBRIC CAPITAL MANAGEMENT LP removed 1,330,062 shares (-47.1%) from their portfolio in Q4 2025, for an estimated $61,581,870
- JANUS HENDERSON GROUP PLC added 538,337 shares (+59.1%) to their portfolio in Q4 2025, for an estimated $24,925,003
- MASSACHUSETTS FINANCIAL SERVICES CO /MA/ added 518,721 shares (+65.3%) to their portfolio in Q4 2025, for an estimated $24,016,782
- EVENTIDE ASSET MANAGEMENT, LLC removed 514,673 shares (-21.5%) from their portfolio in Q4 2025, for an estimated $23,829,359
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 510,060 shares (+1512.9%) to their portfolio in Q4 2025, for an estimated $23,615,778
- ASSENAGON ASSET MANAGEMENT S.A. added 316,109 shares (+161.6%) to their portfolio in Q4 2025, for an estimated $14,635,846
- D. E. SHAW & CO., INC. added 264,099 shares (+67.8%) to their portfolio in Q4 2025, for an estimated $12,227,783
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$COLL Revenue
$COLL had revenues of $205.4M in Q4 2025. This is an increase of 12.92% from the same period in the prior year.
You can track COLL financials on Quiver Quantitative's COLL stock page.
$COLL Analyst Ratings
Wall Street analysts have issued reports on $COLL 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:
- HC Wainwright & Co. issued a "Buy" rating on 01/09/2026
- Needham issued a "Buy" rating on 01/08/2026
- Truist Securities issued a "Buy" rating on 11/07/2025
To track analyst ratings and price targets for $COLL, check out Quiver Quantitative's $COLL forecast page.
$COLL Price Targets
Multiple analysts have issued price targets for $COLL recently. We have seen 4 analysts offer price targets for $COLL in the last 6 months, with a median target of $56.0.
Here are some recent targets:
- Brandon Folkes from HC Wainwright & Co. set a target price of $60.0 on 03/20/2026
- Serge Belanger from Needham set a target price of $56.0 on 03/19/2026
- Glen Santangelo from Barclays set a target price of $56.0 on 01/09/2026
- Les Sulewski from Truist Securities set a target price of $48.0 on 11/07/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
