Thomas David Duda

Thomas David Duda: Director at Cipher Mining. What Thomas David Duda holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

Cipher Mining (CIFR)

Thomas David Duda holds 38,850 Cipher Mining shares (0.01% of the company), worth about $505,632.75 at the last price, according to the Form 4 of Jun 3, 2026.

• Shares held: 25,979 (0.01%), $338,116.69 — Held in their own name.
• Shares held: 12,871 (0.00%), $167,516.07 — Held by a spouse or a family member (By spouse).

Declarations

• Cipher Mining (CIFR) — Form 4 of Jun 3, 2026: grant or award of 8,299; 38,850 shares after 0002111684-26-000006
• Cipher Mining (CIFR) — Form 4 of Feb 25, 2026: grant or award of 3,862; 17,680 shares after 0002111684-26-000004
• Cipher Mining (CIFR) — Form 3 of Feb 11, 2026; 26,689 shares after 0002111684-26-000002

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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