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GKOS

Glaukos Corporation

NYSE · Healthcare · Medical - Devices · US

$177.47
−1.60%
Ask drillr
0
Insider buys (3m)
13
Insider sells (3m)
-$22.4M
Net value (3m)
+41.0%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 1, 2026Navratil Tomas · officer: CHIEF DEVELOPMENT OFFICERSale6,091$181
Sep 1, 2026Navratil Tomas · officer: CHIEF DEVELOPMENT OFFICERSale7,643$180
Sep 1, 2026Navratil Tomas · officer: CHIEF DEVELOPMENT OFFICERSale10$183
Aug 20, 2026Kliman Gilbert H · directorM-Exempt2,500$26
Aug 20, 2026Kliman Gilbert H · directorSale2,500$190
Aug 13, 2026Gilliam Joseph E · officer: PRESIDENT & COOM-Exempt10,000$48
Aug 13, 2026Gilliam Joseph E · officer: PRESIDENT & COOM-Exempt20,000$55
Aug 13, 2026Gilliam Joseph E · officer: PRESIDENT & COOSale27,963$179
Aug 13, 2026Gilliam Joseph E · officer: PRESIDENT & COOSale32,037$180
Aug 11, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERM-Exempt20,000$34
Aug 11, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERSale20,000$180
Aug 3, 2026WEN LEANA · directorSale525$168
Jul 21, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERSale10,000$160
Jul 21, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERM-Exempt10,000$39
Jul 13, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERSale10,000$155
Jul 13, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERM-Exempt10,000$39
Jul 8, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERSale10,000$150
Jul 8, 2026Thurman Alex R. · officer: SVP & CHIEF FINANCIAL OFFICERM-Exempt10,000$39
Jul 8, 2026Navratil Tomas · officer: CHIEF DEVELOPMENT OFFICERSale716$139
Jun 29, 2026Burns Thomas William · director, officer: CHAIRMAN & CEOF-InKind4,059$143
Jun 29, 2026Gilliam Joseph E · officer: PRESIDENT & COOF-InKind1,056$143
Jun 29, 2026Navratil Tomas · officer: CHIEF DEVELOPMENT OFFICERF-InKind483$143
Jun 23, 2026WEISNER AIMEE S · directorA-Award2,987$107
Jun 23, 2026Hoffmeister David F · directorA-Award2,987$107
Jun 23, 2026Foley Mark J · directorA-Award2,987$107
Jun 23, 2026WEN LEANA · directorA-Award2,987$107
Jun 23, 2026Stapley Marc · directorA-Award2,987$107
Jun 23, 2026Kliman Gilbert H · directorA-Award2,987$107
Jun 23, 2026Torres Denice · directorA-Award2,987$107
Jun 18, 2026Navratil Tomas · officer: CHIEF DEVELOPMENT OFFICERSale1,537$131
Institutional positioning

13F filings over the trailing two quarters

New 121Increased 258Reduced 239Sold out 40
FilerActionSharesFiled
BlackRock, Inc.Increased9,540,056Aug 7, 2026
BLACKROCK, INC.Reduced9,090,029May 13, 2026
JANUS HENDERSON GROUP PLCIncreased5,348,395May 18, 2026
Jupiter Topco LLCNew Position4,862,894Aug 14, 2026
PRIMECAP MANAGEMENT CO/CA/Reduced3,370,628May 11, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCIncreased3,321,839Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position3,208,363May 8, 2026
PRIMECAP MANAGEMENT CO/CA/Reduced3,040,705Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased2,551,132Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2,508,771May 15, 2026
STATE STREET CORPIncreased2,315,568Aug 7, 2026
STATE STREET CORPIncreased2,182,617May 15, 2026
MILLENNIUM MANAGEMENT LLCIncreased1,611,016Aug 14, 2026
AMERIPRISE FINANCIAL INCReduced1,610,774Jul 17, 2026
Holocene Advisors, LPIncreased1,514,931Aug 14, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 1, 2026