Mary S Chan
CIK 1641154 · Chief Operating Officer · last filed 2026-05-27
Mary S Chan is a Chief Operating Officer who has filed 42 SEC Form 4 insider transactions across 4 companies since 2015. The most recent filing, for SBAC, was dated May 27, 2026. Across all open-market trades the lifetime net is −$4.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.3M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.32M
4
42
-$4.92M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| SBAC | Director | 6,421 | $204.79 | $1.32M | -$4.90M | 32 | 2026-05-27 |
| Nikola Corp (NKLA) Delisted | Chief Operating Officer | 66,757 | $0.18 | $12.2K | -$21.2K | 4 | 2024-09-06 |
| Vistance Networks, Inc. (COMM) Delisted | Director | 93,259 | $19.65 | $1.83M | $0 | 5 | 2023-05-15 |
| Nikola Corp (VTIQW) Delisted | Chief Operating Officer | 11,448 | $0.00 | $29 | $0 | 1 | 2018-10-04 |
Recent Filings
42 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-27 | SBAC | Grant (A) | — | $0 | EDGAR |
| 2026-05-05 | SBAC | Mixed | +555 | -$72.1K | EDGAR |
| 2026-04-14 | SBAC | Mixed | +48 | -$6.4K | EDGAR |
| 2025-05-28 | SBAC | Grant (A) | — | $0 | EDGAR |
| 2025-05-05 | SBAC | Mixed | +456 | -$65.3K | EDGAR |
| 2025-03-04 | SBAC | Mixed | — | -$85.5K | EDGAR |
| 2024-09-06 | Nikola Corp (NKLA) Delisted | Sell (S) | −717 | -$4.4K | EDGAR |
| 2024-05-28 | SBAC | Grant (A) | — | $0 | EDGAR |
| 2024-05-03 | SBAC | Mixed | +396 | -$43.3K | EDGAR |
| 2024-04-29 | Nikola Corp (NKLA) Delisted | Grant (A) | +1,478,000 | $0 | EDGAR |