Jeffrey M Blackburn
CIK 1374831 · Senior Vice President · last filed 2026-03-19
Jeffrey M Blackburn is a Senior Vice President who has filed 97 SEC Form 4 insider transactions across 4 companies since 2007. The most recent filing, for STUB, was dated Mar 19, 2026. Across all open-market trades the lifetime net is −$154.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $16.7M 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.
$16.68M
4
97
-$154.38M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| STUB | Director | 126,157 | $11.46 | $1.45M | $0 | 2 | 2026-03-19 |
| DASH | Director | 6,116 | $150.58 | $920.9K | $0 | 2 | 2025-06-25 |
| ROKU | Director | 12,193 | $143.66 | $1.75M | $511.7K | 5 | 2025-06-13 |
| AMZN | Senior Vice President | 52,648 | $238.55 | $12.56M | -$154.90M | 88 | 2020-02-19 |
Recent Filings
97 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-19 | STUB | Conv (C) | +110,097 | $0 | EDGAR |
| 2025-09-18 | STUB | Grant (A) | +12,765 | $0 | EDGAR |
| 2025-06-25 | DASH | Grant (A) | +1,164 | $0 | EDGAR |
| 2025-06-13 | ROKU | Grant (A) | — | $0 | EDGAR |
| 2025-06-09 | ROKU | Exer (M) | +2,029 | $0 | EDGAR |
| 2024-06-24 | DASH | Grant (A) | +4,952 | $0 | EDGAR |
| 2024-06-10 | ROKU | Mixed | +2,164 | $0 | EDGAR |
| 2024-03-13 | ROKU | Buy (P) | +8,000 | $511.7K | EDGAR |
| 2023-06-12 | ROKU | Grant (A) | — | $0 | EDGAR |
| 2020-02-19 | AMZN | Mixed | — | -$7.65M | EDGAR |