James Karrels
CIK 1587477 · SVP and CFO · last filed 2026-02-17
James Karrels is a SVP and CFO who has filed 35 SEC Form 4 insider transactions across 1 company since 2013. The most recent filing, for MGNX, was dated Feb 17, 2026. Across all open-market trades the lifetime net is −$1.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.2M 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.
$1.21M
1
35
-$1.17M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MGNX | SVP and CFO | 306,368 | $3.96 | $1.21M | -$1.17M | 35 | 2026-02-17 |
Recent Filings
35 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-17 | MGNX | Mixed | +9,209 | -$9.9K | EDGAR |
| 2026-02-10 | MGNX | Mixed | +10,027 | -$11.4K | EDGAR |
| 2025-02-19 | MGNX | Mixed | +9,208 | -$14.8K | EDGAR |
| 2025-02-11 | MGNX | Mixed | +6,141 | -$10.0K | EDGAR |
| 2024-03-06 | MGNX | Sell (S) | −30,000 | -$615.0K | EDGAR |
| 2024-02-20 | MGNX | Mixed | +9,676 | -$92.7K | EDGAR |
| 2024-02-12 | MGNX | Grant (A) | — | $0 | EDGAR |
| 2023-02-17 | MGNX | Grant (A) | — | $0 | EDGAR |
| 2022-06-17 | MGNX | Buy (P) | +40,000 | $98.8K | EDGAR |
| 2022-03-28 | MGNX | Exer (M) | +8,316 | $12.6K | EDGAR |