InsiderFlow

GKOS

Glaukos Corporation$119.28-2.79 (-2.29%)
Prev Close$122.07·MCap$7.07B·P/E·Vol313.2K·Yield

Buys (12M)

0

$0.00

Sells (12M)

15

$30.72M

Net Activity

Net Seller

$30.72M

Active Insiders

7

last 12 mo

Over the past 12 months, insider activity at Glaukos Corporation (GKOS) has been exclusively selling, with 0 insider purchases totaling $0.00 and 15 insider sales totaling $30.72M. The most recent insider transaction was by Navratil Tomas (officer: CHIEF DEVELOPMENT OFFICER), who sold $246.2K worth of shares on Apr 14, 2026. Glaukos Corporation operates in the Healthcare sector, within the Medical - Devices industry, with a market cap of $7.07B.

GKOS Insider Trading Activity

DateInsiderTypeValue
Apr 14, 2026 Navratil TomasSell$246.2K
Mar 27, 2026 Thurman Alex R.Sell$267.3K
Mar 25, 2026 Thurman Alex R.Sell$160.1K
Mar 19, 2026 Thurman Alex R.Sell$62.0K
Mar 19, 2026 Navratil TomasSell$101.1K
Feb 19, 2026 WEISNER AIMEE SSell$1.76M
Jan 26, 2026 Gilliam Joseph ESell$1.34M
Jan 26, 2026 Stapley MarcSell$1.92M
Jan 23, 2026 Gilliam Joseph ESell$561.2K
Jan 20, 2026 Burns Thomas WilliamSell$21.50M
Dec 11, 2025 Kliman Gilbert HSell$536.4K
Nov 26, 2025 Thurman Alex R.Sell$33.1K
Nov 20, 2025 Gilliam Joseph ESell$1.74M
Sep 24, 2025 Navratil TomasSell$43.5K
Sep 12, 2025 Navratil TomasSell$453.6K
Mar 27, 2025 Thurman Alex R.Sell$162.4K
Feb 28, 2025 Foley Mark JSell$2.50M
Feb 19, 2025 Navratil TomasSell$502.6K
Dec 23, 2024 Gilliam Joseph ESell$498.7K
Dec 23, 2024 Kliman Gilbert HSell$1.50M
Dec 13, 2024 Kliman Gilbert HSell$288.0K
Nov 1, 2024 Gilliam Joseph ESell$316.2K
Sep 11, 2024 Kliman Gilbert HSell$392.0K
Aug 23, 2024 Gilliam Joseph ESell$646.8K
Aug 19, 2024 Stapley MarcSell$787.1K
Aug 12, 2024 WEISNER AIMEE SSell$3.00M
Jul 9, 2024 Gilliam Joseph ESell$273.1K
Jun 5, 2024 Gilliam Joseph ESell$283.8K
Jun 3, 2024 Kliman Gilbert HSell$560.0K
May 16, 2024 Stapley MarcSell$705.0K
May 14, 2024 Gilliam Joseph ESell$264.8K
May 14, 2024 Thurman Alex R.Sell$39.0K
May 8, 2024 Gilliam Joseph ESell$11.6K
May 8, 2024 Thurman Alex R.Sell$9.9K
May 6, 2024 Gilliam Joseph ESell$217.3K
May 6, 2024 Thurman Alex R.Sell$46.7K
Apr 10, 2024 Gilliam Joseph ESell$6.01M
Apr 9, 2024 Gilliam Joseph ESell$237.9K
Apr 9, 2024 Thurman Alex R.Sell$163.3K
Apr 5, 2024 Gilliam Joseph ESell$38.6K
Apr 5, 2024 Thurman Alex R.Sell$71.3K
Apr 3, 2024 Thurman Alex R.Sell$42.8K
Mar 8, 2024 Kliman Gilbert HSell$1.15M
Mar 4, 2024 Stapley MarcSell$563.1K
Feb 29, 2024 Kliman Gilbert HSell$736.0K
Feb 27, 2024 Gilliam Joseph ESell$12.92M
Feb 26, 2024 Foley Mark JSell$423.5K
Feb 14, 2024 Gilliam Joseph ESell$146.4K
Feb 12, 2024 Gilliam Joseph ESell$541.4K
Feb 9, 2024 Thurman Alex R.Sell$55.8K
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GKOS Insider Buying Activity

The following table shows recent insider purchases of Glaukos Corporation (GKOS) stock reported via SEC Form 4 filings.

No insider buying activity found for GKOS in the last 12 months.

GKOS Insider Selling Activity

The following table shows recent insider sales of Glaukos Corporation (GKOS) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Apr 14, 2026 Navratil TomasSell$246.2K
Mar 27, 2026 Thurman Alex R.Sell$267.3K
Mar 25, 2026 Thurman Alex R.Sell$160.1K
Mar 19, 2026 Thurman Alex R.Sell$62.0K
Mar 19, 2026 Navratil TomasSell$101.1K
Feb 19, 2026 WEISNER AIMEE SSell$1.76M
Jan 26, 2026 Gilliam Joseph ESell$1.34M
Jan 26, 2026 Stapley MarcSell$1.92M
Jan 23, 2026 Gilliam Joseph ESell$561.2K
Jan 20, 2026 Burns Thomas WilliamSell$21.50M
Dec 11, 2025 Kliman Gilbert HSell$536.4K
Nov 26, 2025 Thurman Alex R.Sell$33.1K
Nov 20, 2025 Gilliam Joseph ESell$1.74M
Sep 24, 2025 Navratil TomasSell$43.5K
Sep 12, 2025 Navratil TomasSell$453.6K
Mar 27, 2025 Thurman Alex R.Sell$162.4K
Feb 28, 2025 Foley Mark JSell$2.50M
Feb 19, 2025 Navratil TomasSell$502.6K
Dec 23, 2024 Gilliam Joseph ESell$498.7K
Dec 23, 2024 Kliman Gilbert HSell$1.50M
Dec 13, 2024 Kliman Gilbert HSell$288.0K
Nov 1, 2024 Gilliam Joseph ESell$316.2K
Sep 11, 2024 Kliman Gilbert HSell$392.0K
Aug 23, 2024 Gilliam Joseph ESell$646.8K
Aug 19, 2024 Stapley MarcSell$787.1K
Aug 12, 2024 WEISNER AIMEE SSell$3.00M
Jul 9, 2024 Gilliam Joseph ESell$273.1K
Jun 5, 2024 Gilliam Joseph ESell$283.8K
Jun 3, 2024 Kliman Gilbert HSell$560.0K
May 16, 2024 Stapley MarcSell$705.0K
May 14, 2024 Gilliam Joseph ESell$264.8K
May 14, 2024 Thurman Alex R.Sell$39.0K
May 8, 2024 Gilliam Joseph ESell$11.6K
May 8, 2024 Thurman Alex R.Sell$9.9K
May 6, 2024 Gilliam Joseph ESell$217.3K
May 6, 2024 Thurman Alex R.Sell$46.7K
Apr 10, 2024 Gilliam Joseph ESell$6.01M
Apr 9, 2024 Gilliam Joseph ESell$237.9K
Apr 9, 2024 Thurman Alex R.Sell$163.3K
Apr 5, 2024 Gilliam Joseph ESell$38.6K
Apr 5, 2024 Thurman Alex R.Sell$71.3K
Apr 3, 2024 Thurman Alex R.Sell$42.8K
Mar 8, 2024 Kliman Gilbert HSell$1.15M
Mar 4, 2024 Stapley MarcSell$563.1K
Feb 29, 2024 Kliman Gilbert HSell$736.0K
Feb 27, 2024 Gilliam Joseph ESell$12.92M
Feb 26, 2024 Foley Mark JSell$423.5K
Feb 14, 2024 Gilliam Joseph ESell$146.4K
Feb 12, 2024 Gilliam Joseph ESell$541.4K
Feb 9, 2024 Thurman Alex R.Sell$55.8K

GKOS Insiders

Navratil Tomas

officer: CHIEF DEVELOPMENT OFFICER

Sold $1.35M
5 tradesLast: Apr 14, 2026
Thurman Alex R.

SVP & CHIEF FINANCIAL OFFICER

Sold $1.32M
15 tradesLast: Mar 27, 2026
WEISNER AIMEE S

Director

Sold $4.76M
2 tradesLast: Feb 19, 2026
Stapley Marc

director

Sold $5.20M
5 tradesLast: Jan 26, 2026
Gilliam Joseph E

PRESIDENT & COO

Sold $35.77M
27 tradesLast: Jan 26, 2026
Burns Thomas William

director, officer: CHAIRMAN & CEO

Sold $61.43M
17 tradesLast: Jan 20, 2026
Kliman Gilbert H

Director

Sold $6.09M
9 tradesLast: Dec 11, 2025
Foley Mark J

Sold $2.92M
2 tradesLast: Feb 28, 2025