Samir Tabar - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Samir Tabar has filed 2 SEC Form 4 filings across 2 companies in the last 90 days.
Profile

Samir Tabar serves as Chief Executive Officer of Bit Digital, Inc (BTBT). Tabar has also held reporting roles at WhiteFiber, Inc. (WYFI). Tabar has reported 10 insider filings with the SEC since 2025. The most recent filing was in March 2026.
| Role | Chief Executive Officer |
|---|---|
| Notability | 40/100 |
Board memberships
- Bit Digital, Inc
- WhiteFiber, Inc.
Reported roles
- Chief Executive Officer
- Chief Executive Officer
Awards & honors
- CEO of WhiteFiber, Inc.
- Involvement in AI infrastructure solutions
Trading Pattern
InsiderAlpha's records for Samir Tabar go back to 2025: 10 primary Form 4 filings, an average of 5.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Samir Tabar has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Executive Officer at Bit Digital, Inc (BTBT) - 6 filings, 2025 to 2026
- Chief Executive Officer at WhiteFiber, Inc. (WYFI) - 4 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-28 | WYFI | WhiteFiber, Inc. | M - Option exercise | 7.1K | - | |
| 2026-03-28 | BTBT | Bit Digital, Inc | M - Option exercise | 150.0K | - | |
| 2026-03-23 | WYFI | WhiteFiber, Inc. | M - Option exercise | 33.0K | - | |
| 2026-01-28 | BTBT | Bit Digital, Inc | M - Option exercise | 205.0K | $1.89 | $387K |
| 2025-10-15 | WYFI | WhiteFiber, Inc. | M - Option exercise | 88.2K | - | |
| 2025-10-15 | BTBT | Bit Digital, Inc | M - Option exercise | 325.0K | - | |
| 2025-08-08 | WYFI | WhiteFiber, Inc. | A - Grant or award | 58.8K | $17.00 | $1000K |
| 2025-07-25 | BTBT | Bit Digital, Inc | M - Option exercise | 300.0K | - | |
| 2025-07-16 | BTBT | Bit Digital, Inc | M - Option exercise | 255.0K | - |
Companies - Last 90 Days
- Bit Digital, Inc (BTBT) - 1 filing, last 2026-07-28
- WhiteFiber, Inc. (WYFI) - 1 filing, last 2026-07-28
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Samir Tabar has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Erke Huang - $3.20M of BTBT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Nicholas S. Schorsch
- Trygve Seglem
- Lawrence B. Seidman
- Thomas J. Shaw
- Silver Point Capital L.P.
- SilverBay Capital Management LLC
- Michael Simanovsky
- Bob R. Simpson
Frequently Asked Questions
Who is Samir Tabar?
Samir Tabar serves as Chief Executive Officer of Bit Digital, Inc (BTBT). Tabar has also held reporting roles at WhiteFiber, Inc. (WYFI). Tabar has reported 10 insider filings with the SEC since 2025. The most recent filing was in March 2026.…
How many SEC Form 4 filings has Samir Tabar submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of Samir Tabar's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Samir Tabar profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.