GLAUKOS Corp (GKOS)

Latest Insider Confidence Score

2026Q1

46.6
Bearish

Company insider confidence (by quarter)

2015Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Montreux Equity Partners IV Lp 10% Owner 3,209,812 Feb 26, 2016
Montreux Equity Management IV, LLC 10% Owner 3,209,812 Feb 26, 2016
Montreux IV Associates, LLC 10% Owner 3,209,812 Feb 26, 2016
Bergheim Olav — 352,800 Jun 24, 2015
Vitullo Nicole — 286,983 Jul 1, 2015

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 24, 2026 Feb 26, 2026 Burns Thomas William CEO Sell 45.0 -4,059 -0.23% ✗ $483.7K
Feb 24, 2026 Feb 26, 2026 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 48.8 -396 -0.51% ✗ $47.2K
Feb 24, 2026 Feb 26, 2026 Gilliam Joseph E COO Sell 42.5 -1,057 -1.14% ✗ $126K
Feb 19, 2026 Feb 23, 2026 WEISNER AIMEE S Director Sell 17.5 -15,000 -9.07% ✗ $1.8M
Feb 6, 2026 Feb 10, 2026 Burns Thomas William CEO Neutral 52.5 - 0.00% ✗ -
Jan 22, 2026 Jan 26, 2026 Stapley Marc Director Sell 8.8 -15,000 -28.60% ✓ $1.9M
Jan 22, 2026 Jan 26, 2026 Gilliam Joseph E COO Sell 23.8 -10,498 -10.21% ✓ $1.3M
Jan 21, 2026 Jan 23, 2026 Gilliam Joseph E COO Sell 37.5 -4,502 -4.65% ✓ $561.2K
Jan 8, 2026 Jan 20, 2026 Burns Thomas William CEO Sell 22.5 -275,000 -13.52% ✓ $31.6M
Jan 2, 2026 Jan 7, 2026 Hoffmeister David F Director Neutral 77.5 +753 1.07% ✗ -
Jan 2, 2026 Jan 7, 2026 WEN LEANA Director Neutral 82.5 +623 2.99% ✗ -
Jan 2, 2026 Jan 7, 2026 WEISNER AIMEE S Director Neutral 77.5 +623 1.25% ✗ -
Jan 2, 2026 Jan 7, 2026 Torres Denice Director Neutral 82.5 +623 2.87% ✗ -
Jan 2, 2026 Jan 7, 2026 Kliman Gilbert H Director Neutral 77.5 +623 1.78% ✗ -
Jan 2, 2026 Jan 7, 2026 Foley Mark J Director Neutral 77.5 +1,168 2.04% ✗ -
Jan 2, 2026 Jan 7, 2026 Stapley Marc Director Neutral 77.5 +727 1.98% ✗ -
Dec 30, 2025 Dec 31, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 45.0 -510 -0.65% ✗ $58.3K
Dec 30, 2025 Dec 31, 2025 Burns Thomas William CEO Sell 45.0 -1,098 -0.71% ✗ $125.4K
Dec 11, 2025 Dec 15, 2025 Burns Thomas William CEO Neutral 60.0 +4,168 0.26% ✗ -
Dec 11, 2025 Dec 15, 2025 Gilliam Joseph E COO Neutral 52.5 - 0.00% ✗ -
Dec 11, 2025 Dec 15, 2025 Thurman Alex R. CFO Neutral 52.5 - 0.00% ✗ -
Dec 11, 2025 Dec 15, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Neutral 82.5 +2,054 2.71% ✗ -
Dec 9, 2025 Dec 11, 2025 Kliman Gilbert H Director Sell 20.0 -5,000 -12.53% ✗ $536.4K
Nov 25, 2025 Nov 26, 2025 Thurman Alex R. CFO Sell 51.3 -315 -0.62% ✓ $33.1K
Nov 18, 2025 Nov 20, 2025 Gilliam Joseph E COO Sell 17.5 -19,340 -17.31% ✗ $1.7M
Sep 23, 2025 Sep 24, 2025 Gilliam Joseph E COO Sell 45.0 -1,056 -0.94% ✗ $89.4K
Sep 22, 2025 Sep 24, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 45.0 -1,000 -1.30% ✓ $84.4K
Sep 23, 2025 Sep 24, 2025 Burns Thomas William CEO Sell 45.0 -4,059 -0.25% ✗ $343.8K
Sep 18, 2025 Sep 22, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 78.8 +1,438 1.91% ✗ $42.6K
Sep 18, 2025 Sep 22, 2025 Gilliam Joseph E COO Neutral 82.5 +3,884 3.57% ✗ -
Sep 18, 2025 Sep 22, 2025 Burns Thomas William CEO Sell 72.5 +14,319 0.90% ✗ $91.7K
Sep 11, 2025 Sep 12, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 30.0 -5,142 -6.38% ✓ $453.6K
Jun 11, 2025 Jun 13, 2025 Hoffmeister David F Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2025 Jun 2, 2025 Foley Mark J Director Neutral 82.5 +2,972 3.30% ✗ -
Jan 2, 2025 Jun 2, 2025 Hoffmeister David F Director Neutral 90.0 +2,665 62.66% ✗ -
Jan 2, 2025 Jun 2, 2025 Stapley Marc Director Neutral 85.0 +2,646 7.76% ✗ -
Jan 2, 2025 Jun 2, 2025 WEISNER AIMEE S Director Neutral 85.0 +2,569 5.45% ✗ -
Jan 2, 2025 Jun 2, 2025 Torres Denice Director Neutral 90.0 +2,569 13.42% ✗ -
Jan 2, 2025 Jun 2, 2025 Kliman Gilbert H Director Neutral 85.0 +2,569 7.94% ✗ -
Jan 2, 2025 Jun 2, 2025 WEN LEANA Director Neutral 90.0 +2,569 14.08% ✗ -
May 28, 2025 May 30, 2025 Gilliam Joseph E COO Sell 45.0 -1,057 -0.96% ✗ $102.5K
May 27, 2025 May 28, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 48.8 -483 -0.60% ✗ $46.8K
May 27, 2025 May 28, 2025 Burns Thomas William CEO Sell 40.0 -4,059 -2.81% ✗ $393.6K
May 7, 2025 May 9, 2025 Burns Thomas William CEO Sell 47.5 -1,098 -0.07% ✗ $96.9K
May 7, 2025 May 9, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 48.8 -510 -0.62% ✗ $45K
Apr 21, 2025 Apr 23, 2025 Thurman Alex R. CFO Sell 42.5 -2,484 -4.68% ✗ $241.2K
Apr 21, 2025 Apr 23, 2025 Burns Thomas William CEO Sell 45.0 -7,957 -0.50% ✗ $772.5K
Mar 31, 2025 Apr 2, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 42.5 -994 -1.20% ✗ $97.2K
Apr 1, 2025 Apr 2, 2025 Gilliam Joseph E COO Sell 42.5 -1,922 -1.72% ✗ $186.6K
Mar 31, 2025 Apr 2, 2025 Burns Thomas William CEO Sell 45.0 -5,157 -0.32% ✗ $502.2K
Apr 1, 2025 Apr 2, 2025 Thurman Alex R. CFO Sell 48.8 -311 -0.58% ✗ $30.2K
Mar 25, 2025 Mar 27, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 40.0 -6,942 -7.75% ✗ $726.9K
Mar 25, 2025 Mar 27, 2025 Thurman Alex R. CFO Sell 22.5 -6,364 -10.64% ✓ $666.1K
Mar 25, 2025 Mar 27, 2025 Burns Thomas William CEO Sell 42.5 -9,439 -0.58% ✗ $933.5K
Mar 25, 2025 Mar 27, 2025 Gilliam Joseph E COO Sell 37.5 -16,320 -12.75% ✗ $1.7M
Mar 13, 2025 Mar 17, 2025 Gilliam Joseph E COO Sell 95.0 +26,805 26.49% ✗ $105.1K
Mar 13, 2025 Mar 17, 2025 Burns Thomas William CEO Sell 90.0 +82,297 5.35% ✗ $205.7K
Mar 13, 2025 Mar 17, 2025 Thurman Alex R. CFO Sell 91.3 +7,824 15.05% ✗ $50K
Mar 13, 2025 Mar 17, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 95.0 +17,103 23.61% ✗ $97.9K
Feb 26, 2025 Feb 28, 2025 Foley Mark J Director Sell 17.5 -20,687 -27.61% ✗ $2.5M
Feb 14, 2025 Feb 19, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 35.0 -3,416 -4.50% ✓ $502.6K
Mar 28, 2023 Jan 24, 2025 WEISNER AIMEE S Director Neutral 52.5 - 0.00% ✗ -
Jan 6, 2025 Jan 8, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 42.5 -1,185 -1.54% ✗ $177.4K
Dec 20, 2024 Jan 2, 2025 Burns Thomas William CEO Sell 45.0 -1,538 -0.10% ✗ $806.3K
Dec 20, 2024 Jan 2, 2025 Gilliam Joseph E COO Sell 45.0 -964 -0.94% ✗ $133.9K
Dec 20, 2024 Jan 2, 2025 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 82.5 +806 1.06% ✗ $179.7K
Dec 30, 2024 Jan 2, 2025 Thurman Alex R. CFO Neutral 52.5 - 0.00% ✗ -
Dec 20, 2024 Dec 23, 2024 Gilliam Joseph E COO Sell 35.0 -3,328 -3.15% ✓ $498.7K
Dec 20, 2024 Dec 23, 2024 Kliman Gilbert H Director Sell 10.0 -10,000 -23.62% ✓ $1.5M
Dec 11, 2024 Dec 13, 2024 Kliman Gilbert H Director Sell 20.0 -2,000 -5.82% ✗ $288K
Oct 30, 2024 Nov 1, 2024 Gilliam Joseph E COO Sell 38.8 -2,275 -2.18% ✓ $316.2K
Oct 15, 2024 Oct 16, 2024 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 45.0 -510 -0.66% ✗ $66.3K
Oct 15, 2024 Oct 16, 2024 Burns Thomas William CEO Sell 47.5 -1,098 -0.07% ✗ $142.8K
Sep 19, 2024 Sep 23, 2024 Gilliam Joseph E COO Neutral 52.5 - 0.00% ✗ -
Sep 19, 2024 Sep 23, 2024 Thurman Alex R. CFO Neutral 52.5 - 0.00% ✗ -
Sep 19, 2024 Sep 23, 2024 Navratil Tomas CHIEF DEVELOPMENT OFFICER Neutral 85.0 +4,108 5.66% ✗ -
Sep 19, 2024 Sep 23, 2024 Burns Thomas William CEO Neutral 67.5 +8,336 0.54% ✗ -
Sep 9, 2024 Sep 11, 2024 Kliman Gilbert H Director Sell 20.0 -3,000 -8.49% ✗ $392K
Aug 21, 2024 Aug 23, 2024 Gilliam Joseph E COO Sell 35.0 -5,000 -4.67% ✓ $646.8K
Aug 15, 2024 Aug 19, 2024 Stapley Marc Director Sell 17.5 -6,250 -15.50% ✓ $787.1K
Aug 8, 2024 Aug 12, 2024 WEISNER AIMEE S Director Sell 17.5 -25,000 -34.66% ✗ $3M
Aug 6, 2024 Aug 8, 2024 Burns Thomas William CEO Sell 47.5 -1,057 -0.07% ✗ $127.6K
Aug 6, 2024 Aug 8, 2024 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 45.0 -520 -0.71% ✗ $62.8K
Jul 5, 2024 Jul 9, 2024 Gilliam Joseph E COO Sell 38.8 -2,250 -2.16% ✓ $273.1K
Jun 24, 2024 Jun 26, 2024 Burns Thomas William CEO Sell 47.5 -1,058 -0.07% ✗ $98.5K
Jun 24, 2024 Jun 26, 2024 Navratil Tomas CHIEF DEVELOPMENT OFFICER Sell 48.8 -520 -0.71% ✗ $48.4K
Jun 3, 2024 Jun 5, 2024 Gilliam Joseph E COO Sell 38.8 -2,500 -2.40% ✓ $283.8K
May 30, 2024 Jun 3, 2024 Kliman Gilbert H Director Sell 20.0 -3,284 -9.22% ✗ $560K
May 30, 2024 Jun 3, 2024 WEISNER AIMEE S Director Neutral 82.5 +1,716 3.78% ✗ -
May 30, 2024 Jun 3, 2024 Torres Denice Director Neutral 85.0 +1,716 9.85% ✗ -
May 30, 2024 Jun 3, 2024 WEN LEANA Director Neutral 90.0 +1,716 10.38% ✗ -
May 30, 2024 Jun 3, 2024 Foley Mark J Director Neutral 85.0 +1,716 5.17% ✗ -
May 30, 2024 Jun 3, 2024 Stapley Marc Director Neutral 85.0 +1,716 5.30% ✗ -
May 30, 2024 Jun 3, 2024 Hoffmeister David F Director Neutral 82.5 +1,716 4.21% ✗ -
May 15, 2024 May 16, 2024 Stapley Marc Director Sell 17.5 -6,250 -16.19% ✓ $705K
May 10, 2024 May 14, 2024 Gilliam Joseph E COO Sell 38.8 -2,395 -2.30% ✓ $264.8K
May 10, 2024 May 14, 2024 Thurman Alex R. CFO Sell 51.3 -353 -0.68% ✓ $39K
May 6, 2024 May 8, 2024 Gilliam Joseph E COO Sell 53.8 -105 -0.10% ✓ $11.6K
May 6, 2024 May 8, 2024 Thurman Alex R. CFO Sell 55.0 -90 -0.17% ✓ $9.9K
May 2, 2024 May 6, 2024 Thurman Alex R. CFO Sell 51.3 -442 -0.84% ✓ $46.7K