JEFFREY W DUNN
CIK 1035986 · Chairman, President & CEO · last filed 2026-06-08
JEFFREY W DUNN is a Chairman, President & CEO who has filed 83 SEC Form 4 insider transactions across 1 company since 2019. The most recent filing, for SIBN, was dated Jun 8, 2026. Across all open-market trades the lifetime net is −$28.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.6M 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.
$1.56M
1
83
-$28.88M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| SIBN | Director | 101,187 | $15.42 | $1.56M | -$28.88M | 83 | 2026-06-08 |
Recent Filings
83 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-08 | SIBN | Mixed | +7,382 | -$54.5K | EDGAR |
| 2026-05-05 | SIBN | Sell (S) | −337 | -$4.4K | EDGAR |
| 2026-02-04 | SIBN | Sell (S) | −337 | -$5.5K | EDGAR |
| 2026-01-12 | SIBN | Sell (S) | −20,000 | -$425.5K | EDGAR |
| 2025-12-11 | SIBN | Mixed | −18,759 | -$381.2K | EDGAR |
| 2025-11-13 | SIBN | Mixed | — | -$1.17M | EDGAR |
| 2025-11-04 | SIBN | Sell (S) | −293 | -$4.3K | EDGAR |
| 2025-08-06 | SIBN | Sell (S) | −293 | -$5.1K | EDGAR |
| 2025-06-06 | SIBN | Mixed | +5,298 | -$64.3K | EDGAR |
| 2025-05-02 | SIBN | Sell (S) | −336 | -$4.6K | EDGAR |