Transaction · 0001415889-25-001171

Navratil Tomas

Navratil Tomas, CDO, reported a transaction classified as withholding at GLAUKOS Corp involving 1185.000000 shares for an estimated $177370.80. Reported holdings after the transaction were 75853.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCDO
GKOSGLAUKOS Corp
Filing timeJan 09
Trade dateJan 06, 2025
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
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 2025-01-09Filed 602 days ago · 30 days of pre-filing context shaded
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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
withholding
Code F
Identifier
0001415889-25-001171
Common Stock
Transaction date
Jan 06, 2025
Filed Jan 09, 2025, 01:18 AM · 3d delay
Shares
1.18k sh
$14.9k per share
Estimated value
-$17.7M
Computed from shares × price
Holdings after
75.8k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
-16score
Filing-only score

-16

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

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

    Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units prev…

  2. F2

    Includes 45,972 restricted stock units that have not yet vested or been delivered to the Reporting Person.

Original filing · 0001415889-25-001171
Related transactions

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Same reporting owner
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GKOS