Dennis J. Selkoe
CIK 1582306 · last filed 2026-05-15
Dennis J. Selkoe is a corporate insider who has filed 31 SEC Form 4 insider transactions across 1 company since 2013. The most recent filing, for PRTA, was dated May 15, 2026. Across all open-market trades the lifetime net is −$4.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $76.0K 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.
$76.0K
1
31
-$4.47M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| PRTA | Director | 9,208 | $8.25 | $76.0K | -$4.47M | 31 | 2026-05-15 |
Recent Filings
31 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-15 | PRTA | Grant (A) | — | $0 | EDGAR |
| 2025-05-16 | PRTA | Grant (A) | — | $0 | EDGAR |
| 2024-05-17 | PRTA | Grant (A) | — | $0 | EDGAR |
| 2023-07-03 | PRTA | Mixed | — | -$280.5K | EDGAR |
| 2023-05-19 | PRTA | Grant (A) | — | $0 | EDGAR |
| 2023-05-05 | PRTA | Mixed | — | -$583.9K | EDGAR |
| 2022-05-27 | PRTA | Grant (A) | — | $0 | EDGAR |
| 2022-01-05 | PRTA | Mixed | — | -$191.1K | EDGAR |
| 2021-10-01 | PRTA | Mixed | — | -$293.0K | EDGAR |
| 2021-07-30 | PRTA | Mixed | — | -$176.1K | EDGAR |