ROBERT QUARTERMAIN
CIK 1238270 · CHIEF EXECUTIVE OFFICER · last filed 2026-04-15
ROBERT QUARTERMAIN is a CHIEF EXECUTIVE OFFICER who has filed 29 SEC Form 4 insider transactions across 3 companies since 2007. The most recent filing, for DC, was dated Apr 15, 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 $39.8M 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.
$39.77M
3
29
-$1.21M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| DC | CHIEF EXECUTIVE OFFICER | 8,044,812 | $4.93 | $39.66M | $6.9K | 3 | 2026-04-15 |
| Dakota Gold Corp. (DC.WS) Delisted | CHIEF EXECUTIVE OFFICER | 7,996,675 | $3.88 | $31.03M | -$1.22M | 16 | 2026-03-05 |
| VGZ | Director | 47,424 | $2.34 | $111.0K | $0 | 5 | 2007-08-01 |
Recent Filings
29 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-15 | DC | Mixed | +34,689 | -$75.4K | EDGAR |
| 2026-03-05 | Dakota Gold Corp. (DC.WS) Delisted | Exer (X) | −37,702 | -$238.3K | EDGAR |
| 2026-01-30 | Dakota Gold Corp. (DC.WS) Delisted | Exer (X) | +541,133 | $1.13M | EDGAR |
| 2026-01-23 | Dakota Gold Corp. (DC.WS) Delisted | Sell (S) | −250,000 | -$1.72M | EDGAR |
| 2025-09-03 | Dakota Gold Corp. (DC.WS) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-04-04 | Dakota Gold Corp. (DC.WS) Delisted | Buy (P) | +65,000 | $168.0K | EDGAR |
| 2025-03-05 | Dakota Gold Corp. (DC.WS) Delisted | Mixed | +60,370 | -$67.1K | EDGAR |
| 2024-11-22 | Dakota Gold Corp. (DC.WS) Delisted | Buy (P) | +40,000 | $88.4K | EDGAR |
| 2024-11-19 | Dakota Gold Corp. (DC.WS) Delisted | Buy (P) | +35,000 | $75.7K | EDGAR |
| 2024-11-06 | Dakota Gold Corp. (DC.WS) Delisted | Buy (P) | +40,000 | $95.0K | EDGAR |