Mary S. Chan
Mary S. Chan: Director at SBA Communications. What Mary S. Chan 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.
SBA Communications (SBAC)
Mary S. Chan holds 6,422 SBA Communications shares (0.01% of the company), worth about $1.2M at the last price, according to the Form 4 of May 22, 2026.
- Shares held: 6,422 (0.01%), $1.2M — Held in their own name: 6,422 Class A.
- Share units: 663 (0.00%), $119,724.54 — SBA Communications promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- SBA Communications (SBAC) — Form 4 of May 22, 2026; 6,422 shares after 0001641154-26-000006
- SBA Communications (SBAC) — Form 4 of May 1, 2026: option exercise or conversion of 248; option exercise or conversion of 302; 6,422 shares after 0001641154-26-000004
- SBA Communications (SBAC) — Form 4 of Apr 13, 2026: option exercise or conversion of 1,501 at $212.31; shares withheld for tax of 1,453 at $223.75; 5,867 shares after 0001641154-26-000002
- SBA Communications (SBAC) — Form 4 of May 23, 2025; 5,685 shares after 0001415889-25-014757
- SBA Communications (SBAC) — Form 4 of May 1, 2025: option exercise or conversion of 175; option exercise or conversion of 248; 5,685 shares after 0001415889-25-012022
- SBA Communications (SBAC) — Form 4 of Feb 28, 2025: option exercise or conversion of 1,411 at $157.51; open-market sale of 1,411 at $218.07; 5,131 shares after 0001415889-25-006687
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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