John W Cummings
CIK 1952404 · Chief Administrative Officer · last filed 2026-02-17
John W Cummings is a Chief Administrative Officer who has filed 15 SEC Form 4 insider transactions across 1 company since 2023. The most recent filing, for TCBIO, was dated Feb 17, 2026. Across all open-market trades the lifetime net is +$49.5K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $279.8K 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.
$279.8K
1
15
$49.5K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| TCBIO | Chief Administrative Officer | 13,709 | $20.41 | $279.8K | $49.5K | 15 | 2026-02-17 |
Recent Filings
15 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-17 | TCBIO | Mixed | +891 | -$59.9K | EDGAR |
| 2026-02-10 | TCBIO | Mixed | +3,361 | -$113.2K | EDGAR |
| 2026-01-30 | TCBIO | Mixed | +1,057 | -$43.7K | EDGAR |
| 2025-02-18 | TCBIO | Mixed | +1,111 | -$29.0K | EDGAR |
| 2025-02-11 | TCBIO | Mixed | +989 | -$26.3K | EDGAR |
| 2025-02-04 | TCBIO | Mixed | +1,213 | -$39.5K | EDGAR |
| 2025-01-30 | TCBIO | Grant (A) | — | $0 | EDGAR |
| 2024-07-31 | TCBIO | Grant (A) | — | $0 | EDGAR |
| 2024-02-22 | TCBIO | Grant (A) | — | $0 | EDGAR |
| 2024-02-21 | TCBIO | Grant (A) | — | $0 | EDGAR |