JOHN K A PRENDERGAST
CIK 1042019 · last filed 2025-12-11
JOHN K A PRENDERGAST is a corporate insider who has filed 46 SEC Form 4 insider transactions across 5 companies since 2007. The most recent filing, for PTN, was dated Dec 11, 2025. Across all open-market trades the lifetime net is −$310.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $205.5K 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.
$205.5K
5
46
-$310.2K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| PTN | Director | 15,102 | $13.61 | $205.5K | $0 | 21 | 2025-12-11 |
| Scorpius Holdings, Inc. (NHWK) Delisted | Director | — | $0.41 | — | $0 | 1 | 2022-12-09 |
| Scorpius Holdings, Inc. (HTBX) Delisted | Director | 203,272 | $2.38 | $483.8K | -$205.3K | 9 | 2022-01-03 |
| MNOV | Director | — | $1.23 | — | $0 | 6 | 2011-07-20 |
| AVIGEN INC \DE (AVGN) Delisted | Director | 40,845 | — | — | -$105.0K | 4 | 2008-08-15 |
Recent Filings
46 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-12-11 | PTN | Grant (A) | +2,600 | $0 | EDGAR |
| 2024-07-16 | PTN | Mixed | +16,000 | $0 | EDGAR |
| 2023-06-22 | PTN | Grant (A) | +13,000 | $0 | EDGAR |
| 2022-12-09 | Scorpius Holdings, Inc. (NHWK) Delisted | Grant (A) | — | $0 | EDGAR |
| 2022-06-24 | PTN | Grant (A) | +99,000 | $0 | EDGAR |
| 2022-01-03 | Scorpius Holdings, Inc. (HTBX) Delisted | Mixed | — | $0 | EDGAR |
| 2021-12-15 | Scorpius Holdings, Inc. (HTBX) Delisted | Grant (A) | — | $0 | EDGAR |
| 2021-06-24 | PTN | Grant (A) | +105,000 | $0 | EDGAR |
| 2021-05-18 | Scorpius Holdings, Inc. (HTBX) Delisted | Sell (S) | −35,000 | -$205.3K | EDGAR |
| 2021-01-06 | Scorpius Holdings, Inc. (HTBX) Delisted | Grant (A) | +138,272 | $0 | EDGAR |