Sammy Dorf
Executive Chairman at ZeroStack Corp.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 3 years
- Director since
- 2024
3 years of board service in total across 2 boards, counting each seat separately. Longest: ZeroStack Corp., 1 year.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
ZeroStack Corp. June 30, 202590.8%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 15, 2024 | ZeroStack Corp. | Grant or award | +250,000 | — | — |
Questions about Sammy Dorf
What boards is Sammy Dorf on?
Sammy Dorf sits on the boards of Onconetix Inc. and ZeroStack Corp.
How long has Sammy Dorf served on boards?
Our records show at least 3 years of board service across 2 boards, the earliest from 2024.
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