Jason Armstrong
CIK 1958909 · CFO · last filed 2026-03-06
Jason Armstrong is a CFO who has filed 21 SEC Form 4 insider transactions across 1 company since 2023. The most recent filing, for CMCSA, was dated Mar 6, 2026. Across all open-market trades the lifetime net is −$3.0M, 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.
$4.22M
1
21
-$2.96M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CMCSA | CFO | 172,399 | $24.50 | $4.22M | -$2.96M | 21 | 2026-03-06 |
Recent Filings
21 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-06 | CMCSA | Mixed | — | -$247.8K | EDGAR |
| 2026-03-03 | CMCSA | Mixed | +55,648 | -$1.48M | EDGAR |
| 2026-02-26 | CMCSA | Grant (A) | — | $0 | EDGAR |
| 2026-01-22 | CMCSA | Mixed | +4,200 | -$112.3K | EDGAR |
| 2025-06-06 | CMCSA | Mixed | +5,472 | -$138.0K | EDGAR |
| 2025-03-04 | CMCSA | Mixed | +3,430 | -$105.9K | EDGAR |
| 2025-01-15 | CMCSA | Mixed | +4,160 | -$130.2K | EDGAR |
| 2024-11-07 | CMCSA | Mixed | −10,000 | -$1.48M | EDGAR |
| 2024-06-07 | CMCSA | Mixed | +2,052 | -$59.2K | EDGAR |
| 2024-03-19 | CMCSA | Mixed | +3,708 | -$116.8K | EDGAR |