David Brent Shafer
CIK 1728374 · Interim CEO and Chair · last filed 2026-05-08
David Brent Shafer is an Interim CEO and Chair who has filed 29 SEC Form 4 insider transactions across 4 companies since 2018. The most recent filing, for TCMD, was dated May 8, 2026. Across all open-market trades the lifetime net is −$13.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $4.2M 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.
$4.20M
4
29
-$13.48M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| TCMD | Director | 55,343 | $26.31 | $1.46M | $0 | 6 | 2026-05-08 |
| BAX | Interim CEO and Chair | 72,804 | $20.86 | $1.52M | $0 | 6 | 2026-05-07 |
| VCYT | Director | 25,828 | $47.33 | $1.22M | $0 | 2 | 2025-06-23 |
| CERNER Corp (CERN) Delisted | Chairman and CEO | 366 | $94.92 | $34.7K | -$13.48M | 15 | 2021-05-11 |
Recent Filings
29 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-08 | TCMD | Grant (A) | +6,521 | $0 | EDGAR |
| 2026-05-07 | BAX | Grant (A) | +12,836 | $0 | EDGAR |
| 2025-08-21 | BAX | Tax (F) | −31,337 | -$762.4K | EDGAR |
| 2025-06-23 | VCYT | Grant (A) | +9,321 | $0 | EDGAR |
| 2025-05-09 | TCMD | Grant (A) | +16,078 | $0 | EDGAR |
| 2025-02-06 | BAX | Grant (A) | +76,289 | $0 | EDGAR |
| 2024-09-04 | VCYT | Grant (A) | +16,507 | $0 | EDGAR |
| 2024-05-10 | TCMD | Grant (A) | +10,469 | $0 | EDGAR |
| 2024-05-09 | BAX | Grant (A) | +5,952 | $0 | EDGAR |
| 2023-05-10 | TCMD | Grant (A) | +7,737 | $0 | EDGAR |