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Insider Sale: CHIEF DEVELOPMENT OFFICER of $GKOS Sells 1,537 Shares

Automated

Tomas Navratil, the CHIEF DEVELOPMENT OFFICER of $GKOS, sold 1,537 shares of the company on 06-16-2026 for an estimated $200,855. We received data on the trade from a recent SEC filing. This was a sale of approximately 1.7% of their shares of this class of stock. Following this trade, they now own 88,833 shares of this class of $GKOS stock.

$GKOS Insider Trading Activity

GKOS Insider Trades

$GKOS insiders have traded $GKOS stock on the open market 32 times in the past 6 months. Of those trades, 0 have been purchases and 32 have been sales.

Here’s a breakdown of recent trading of $GKOS stock by insiders over the last 6 months:

  • THOMAS WILLIAM BURNS (CHAIRMAN & CEO) has made 0 purchases and 2 sales selling 275,000 shares for an estimated $31,625,000.
  • JOSEPH E GILLIAM (PRESIDENT & COO) has made 0 purchases and 6 sales selling 34,573 shares for an estimated $4,711,062.
  • MARC STAPLEY has made 0 purchases and 5 sales selling 15,000 shares for an estimated $1,915,576.
  • ALEX R. THURMAN (SVP & CHIEF FINANCIAL OFFICER) has made 0 purchases and 4 sales selling 14,657 shares for an estimated $1,889,359.
  • AIMEE S WEISNER has made 0 purchases and 4 sales selling 15,000 shares for an estimated $1,760,761.
  • GILBERT H KLIMAN has made 0 purchases and 2 sales selling 10,000 shares for an estimated $1,378,800.
  • TOMAS NAVRATIL (CHIEF DEVELOPMENT OFFICER) has made 0 purchases and 8 sales selling 4,661 shares for an estimated $548,108.
  • LEANA WEN sold 1,700 shares for an estimated $243,695

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.

$GKOS Hedge Fund Activity

We have seen 157 institutional investors add shares of $GKOS stock to their portfolio, and 205 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

  • JANUS HENDERSON GROUP PLC added 1,953,578 shares (+183.4%) to their portfolio in Q4 2025, for an estimated $220,578,491
  • CITADEL ADVISORS LLC added 1,419,970 shares (+5267.7%) to their portfolio in Q1 2026, for an estimated $152,873,970
  • MACQUARIE GROUP LTD removed 600,228 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $67,771,743
  • AMERIPRISE FINANCIAL INC removed 493,520 shares (-23.5%) from their portfolio in Q1 2026, for an estimated $53,132,363
  • DRIEHAUS CAPITAL MANAGEMENT LLC added 487,912 shares (+inf%) to their portfolio in Q1 2026, for an estimated $52,528,605
  • UBS GROUP AG removed 487,542 shares (-55.8%) from their portfolio in Q1 2026, for an estimated $52,488,771
  • JENNISON ASSOCIATES LLC added 487,020 shares (+inf%) to their portfolio in Q1 2026, for an estimated $52,432,573

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.

$GKOS Revenue

GKOS Quarterly Revenue

$GKOS had revenues of $150.6M in Q1 2026. This is an increase of 41.16% from the same period in the prior year.

You can track GKOS financials on Quiver Quantitative's GKOS stock page.

You can access data on GKOS stock through the Quiver Quantitative API.

$GKOS Analyst Ratings

Wall Street analysts have issued reports on $GKOS in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

  • BTIG issued a "Buy" rating on 06/10/2026

To track analyst ratings and price targets for $GKOS, check out Quiver Quantitative's $GKOS forecast page.

$GKOS Price Targets

Multiple analysts have issued price targets for $GKOS recently. We have seen 8 analysts offer price targets for $GKOS in the last 6 months, with a median target of $147.5.

Here are some recent targets:

  • David Saxon from Needham set a target price of $150.0 on 06/17/2026
  • Joanne Wuensch from Citigroup set a target price of $162.0 on 06/11/2026
  • Ryan Zimmerman from BTIG set a target price of $162.0 on 06/10/2026
  • Larry Biegelsen from Wells Fargo set a target price of $138.0 on 04/30/2026
  • Allen Gong from JP Morgan set a target price of $140.0 on 04/30/2026
  • Thomas Stephan from Stifel set a target price of $160.0 on 01/22/2026
  • George Sellers from Stephens & Co. set a target price of $145.0 on 01/02/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information.

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