Skip to main content
Signal8
Ozgen Mustafa profile photo

Mustafa Ozgen

CIK: 0001767033

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (13.0%)

Position reduction

Option Exercises (M)9 (39.1%)

Derivative conversions

Awards (A)2 (8.7%)

Compensation grants

Other (G, F, J, C, D, …)9 (39.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ROKU, INC logo
ROKU

ROKU, INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (23 total)

  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 2, 2026
    Sale(S)
    Direct
    3.4K shares at avg. $155.64$531K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 1, 2026
    Exercise(M)
    Direct
    16.2K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 1, 2026
    Tax Payment(F)
    Direct
    6.4K shares at avg. $155.53$989K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Aug 14, 2026
    Award(A)

    Restricted Stock Unit

    Direct
    32.8K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Jun 12, 2026
    Sale(S)
    Direct
    10.2K shares at avg. $144.00$1.5M
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Jun 1, 2026
    Tax Payment(F)
    Direct
    6.4K shares at avg. $129.03$820K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Jun 1, 2026
    Exercise(M)
    Direct
    16.2K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Mar 2, 2026
    Exercise(M)
    Direct
    16.2K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Mar 2, 2026
    Tax Payment(F)
    Direct
    6.4K shares at avg. $98.09$623K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Nov 17, 2025
    Tax Payment(F)
    Direct
    6.4K shares at avg. $96.89$616K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Nov 17, 2025
    Exercise(M)
    Direct
    16.1K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 9, 2025
    Sale(S)
    Direct
    50.5K shares at avg. $100.00$5.1M
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 2, 2025
    Exercise(M)
    Direct
    11.7K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 2, 2025
    Tax Payment(F)
    Direct
    4.6K shares at avg. $95.86$441K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Aug 15, 2025
    Award(A)

    Restricted Stock Unit

    Direct
    53.4K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Jun 2, 2025
    Tax Payment(F)
    Direct
    6.5K shares at avg. $73.01$473K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Jun 2, 2025
    Exercise(M)
    Direct
    16.5K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Mar 3, 2025
    Exercise(M)
    Direct
    16.5K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Mar 3, 2025
    Tax Payment(F)
    Direct
    8.3K shares at avg. $80.26$670K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Nov 15, 2024
    Exercise(M)
    Direct
    16.5K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Nov 15, 2024
    Tax Payment(F)
    Direct
    8.2K shares at avg. $68.87$562K
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 3, 2024
    Exercise(M)
    Direct
    9.7K shares-
  • ROKU, INC logo
    ROKU

    ROKU, INC

    Sep 3, 2024
    Tax Payment(F)
    Direct
    4.8K shares at avg. $65.22$313K

1-23 of 23

About Ozgen Mustafa

Ozgen Mustafa (SEC CIK 0001767033) files insider reports with the SEC as Pres, Devices, Prod, and Tech of ROKU, INC (ROKU).

Signal8 holds 13 ownership filings by Ozgen Mustafa, all Form 4s, filed between Sep 5, 2024 and Sep 3, 2026. Those filings report 23 transactions, from Sep 3, 2024 to Sep 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ozgen Mustafa's filings is in SAN JOSE, CA.

Recent filings by Ozgen Mustafa

  • Sep 2, 2026: Open-market sale of ROKU shares (Form 4, code S).
  • Sep 1, 2026: Option exercise of ROKU shares (Form 4, code M).
  • Sep 1, 2026: Tax withholding of ROKU shares (Form 4, code F).
  • Aug 14, 2026: Grant or award of ROKU derivative securities (Form 4, code A).
  • Jun 12, 2026: Open-market sale of ROKU shares (Form 4, code S).

Other insiders filing for ROKU, INC (ROKU)

How to read Form 4 transaction codes