BRIAN F MAXTED
CIK 1240698 · Chief Exploration Officer · last filed 2026-05-20
BRIAN F MAXTED is a Chief Exploration Officer who has filed 27 SEC Form 4 insider transactions across 2 companies since 2011. The most recent filing, for GPRK, was dated May 20, 2026. Across all open-market trades the lifetime net is −$16.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $23.5M 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.
$23.47M
2
27
-$16.67M
Holdings By Company
Recent Filings
27 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-20 | GPRK | Grant (A) | +2,812 | $0 | EDGAR |
| 2019-06-07 | KOS | Grant (A) | +25,090 | $0 | EDGAR |
| 2019-01-18 | KOS | Mixed | +37,805 | -$168.6K | EDGAR |
| 2019-01-18 | KOS | Tax (F) | −42,379 | -$174.6K | EDGAR |
| 2019-01-08 | KOS | Mixed | +37,805 | -$168.6K | EDGAR |
| 2019-01-04 | KOS | Tax (F) | −36,781 | -$151.5K | EDGAR |
| 2018-06-05 | KOS | Mixed | +89,011 | -$806.6K | EDGAR |
| 2018-02-02 | KOS | Grant (A) | +89,500 | $0 | EDGAR |
| 2018-01-04 | KOS | Mixed | +261,719 | -$2.18M | EDGAR |
| 2017-06-07 | KOS | Tax (F) | −11,275 | -$69.0K | EDGAR |