Theodore Leonsis
Theodore Leonsis: Director at Tempus AI. What Theodore Leonsis 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.
Tempus AI (TEM)
Theodore Leonsis holds 88,180 Tempus AI shares (0.05% of the company), worth about $6.0M at the last price, according to the Form 4 of May 21, 2026.
- Shares held: 66,756 (0.04%), $4.6M — Held through trusts (By Theodore J. Leonsis Revocable Trust): 66,756 Class A.
- Shares held: 21,424 (0.01%), $1.5M — Held in their own name: 21,424 Class A.
Declarations
- Tempus AI (TEM) — Form 4 of May 21, 2026: grant or award of 5,913; 88,180 shares after 0001452645-26-000004
- Tempus AI (TEM) — Form 4 of Aug 26, 2025: open-market sale of 20,000 at $75.83; 82,267 shares after 0001415889-25-023211
- Tempus AI (TEM) — Form 4/A of Aug 13, 2025: open-market sale of 44,000 at $69.90; 102,267 shares after 0001415889-25-022590
- Tempus AI (TEM) — Form 4 of Aug 13, 2025: open-market sale of 44,000 at $69.90; 102,267 shares after 0001415889-25-022146
- Tempus AI (TEM) — Form 4 of Jun 11, 2025: open-market sale of 184,116 at $67.59; open-market sale of 21,731 at $68.27; 187,316 shares after 0001415889-25-017183
- Tempus AI (TEM) — Form 4 of May 20, 2025: grant or award of 1,997; 393,163 shares after 0001415889-25-014310
- Tempus AI (TEM) — Form 4 of May 9, 2025: open-market sale of 770 at $66.26; 391,166 shares after 0001415889-25-012773
- Tempus AI (TEM) — Form 4 of Dec 11, 2024: option exercise or conversion of 210,000 at $0.85; shares withheld for tax of 4,153 at $43.19; 3.5M shares after 0001415889-24-029363
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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