JEROME B ZELDIS
CIK 1433982 · Executive VP of Research & Dev · last filed 2026-01-06
JEROME B ZELDIS is an Executive VP of Research & Dev who has filed 77 SEC Form 4 insider transactions across 8 companies since 2014. The most recent filing, for PTCT, was dated Jan 6, 2026. Across all open-market trades the lifetime net is −$1.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.7M 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.
$1.69M
8
77
-$1.48M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| PTCT | Director | 22,500 | $75.14 | $1.69M | -$2.00M | 15 | 2026-01-06 |
| NXGLW | Director | 106,664 | $0.03 | $2.9K | $106.6K | 8 | 2025-06-27 |
| SNGX | Director | — | $0.43 | — | $0 | 4 | 2025-06-20 |
| NEXI | Executive VP of Research & Dev | 5,882 | $0.00 | $1 | $100.0K | 3 | 2022-04-07 |
| SOLIGENIX, INC. (SNGXW) Delisted | Director | 25,917 | $0.01 | $233 | $12.8K | 9 | 2021-09-24 |
| Streamex Corp. (BSGM) Delisted | Director | 107,944 | $6.35 | $685.4K | $10.5K | 5 | 2020-07-15 |
| SRNE | See Remarks | 10,000 | $0.00 | $5 | $51.5K | 4 | 2018-11-27 |
| Alliqua BioMedical, Inc. (ALQA) Delisted | Director | 786,750 | — | — | $240.7K | 8 | 2017-07-03 |
Recent Filings
77 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-01-06 | PTCT | Grant (A) | +4,000 | $0 | EDGAR |
| 2025-06-27 | NXGLW | Grant (A) | — | $0 | EDGAR |
| 2025-06-20 | SNGX | Grant (A) | — | $0 | EDGAR |
| 2025-01-07 | PTCT | Grant (A) | +4,000 | $0 | EDGAR |
| 2024-12-13 | SNGX | Grant (A) | — | $0 | EDGAR |
| 2024-12-04 | PTCT | Mixed | — | -$253.6K | EDGAR |
| 2024-11-22 | NXGLW | Mixed | +3,636 | $10.0K | EDGAR |
| 2024-09-17 | NXGLW | Grant (A) | — | $0 | EDGAR |
| 2024-08-27 | NXGLW | Mixed | +10,000 | $25.0K | EDGAR |
| 2024-05-24 | PTCT | Mixed | — | -$236.4K | EDGAR |