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SIROLLY DAVID

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to SIROLLY DAVID. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

CBSTF
Company Title Type Shares Price Value Date
CBSTF Chief Legal Officer/GC Tax Withholding 962 $0.07 $67 Sep 30, 2025
CBSTF Chief Legal Officer/GC Option Exercise 18,087 May 1, 2025
CBSTF Chief Legal Officer/GC Tax Withholding 250,824 $0.04 $10,033 Apr 25, 2025
CBSTF Chief Legal Officer/GC Option Exercise 409,091 Apr 5, 2025
CBSTF Chief Legal Officer/GC Option Exercise 35,091 Mar 31, 2025
CBSTF Chief Legal Officer/GC Option Exercise 187,850 Mar 20, 2025
CBSTF Chief Legal Officer/GC Tax Withholding 314,809 $0.28 $88,147 May 16, 2024
CBSTF Chief Legal Officer/GC Option Exercise 18,086 May 1, 2024
CBSTF Chief Legal Officer/GC Award / Grant 37,535 Apr 23, 2024
CBSTF Chief Legal Officer/GC Option Exercise 545,454 Apr 5, 2024
CBSTF Chief Legal Officer/GC Option Exercise 284,261 Mar 31, 2024
CBSTF Chief Legal Officer/GC Purchase 14,265 $0.35 $4,993 Mar 27, 2024
CBSTF Chief Legal Officer/GC Option Exercise 18,087 Jul 5, 2023
CBSTF Chief Legal Officer/GC Option Exercise 35,091 May 3, 2023
CBSTF Chief Legal/General Counsel Tax Withholding 6,667 $1.39 $9,267 Oct 18, 2022
CBSTF Chief Legal/General Counsel Option Exercise 18,086 Jun 30, 2022