Transaction · 0001193125-26-417151

Navratil Tomas

Navratil Tomas, CDO, reported an open-market or private sale at GLAUKOS Corp involving 888.000000 shares for an estimated $145569.84. Reported holdings after the transaction were 69930.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCDO
GKOSGLAUKOS Corp
Filing timeOct 07
Trade dateOct 05, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded1.25%Shares sold ÷ (holdings after + shares sold). Estimated position before: 70,818 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$172.18
Pre-filing
1mo ago +3.1%1w ago -7.9%1d ago -4.9%
Returns since
7d30d90d180d1y

GKOS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
GKOS since 2026-10-07Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001193125-26-417151
Common Stock
Transaction date
Oct 05, 2026
Filed Oct 07, 2026, 11:07 PM · 2d delay
Shares
888 sh
$163.93 per share
Estimated value
-$145k
Computed from shares × price
Holdings after
69.9k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Sale Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CHIEF DEVELOPMENT OFFICER

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2026.

  2. F2

    This transaction was executed in multiple trades at prices ranging from $163.37 to $164.36. The price reported above reflects the weighted average price. The reporting person hereby undertakes to prov…

  3. issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

  4. F3

    Includes 38,817 restricted stock units that have not yet vested or been delivered to the Reporting Person.

  5. F4

    This transaction was executed in multiple trades at prices ranging from $164.40 to $165.29. The price reported above reflects the weighted average price. The reporting person hereby undertakes to prov…

  6. F5

    This transaction was executed in multiple trades at prices ranging from $165.43 to $165.90. The price reported above reflects the weighted average price. The reporting person hereby undertakes to prov…

Original filing · 0001193125-26-417151
Related transactions

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Same reporting owner
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GKOS