ZELDIS JEROME B has filed 28 insider transactions across 3 companies since January 2023.
Most recent transaction: a grant/award of 4000 shares of PTC THERAPEUTICS, INC. ($PTCT) on January 02, 2026.
Activity breakdown: 2 open-market purchases and 6 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Common Stock | 4000 | $0.00 | 22,500.0000 | 88,311,494 | 21.62% | 0.00% |
| Jan. 2, 2026 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Stock Option (Right to Buy) | 3475 | $0.00 | 3,475.0000 | 88,311,494 | 9999.99% | 0.00% |
| June 25, 2025 | NEXGEL, INC. | $NXGL | ZELDIS JEROME B | Director | A | Stock Option (Right to Buy) | 30000 | $0.00 | 30,000.0000 | 7,654,037 | 9999.99% | 0.39% |
| June 20, 2025 | SOLIGENIX, INC. | $SNGX | ZELDIS JEROME B | Not found | A | Stock Option (Right to Buy) | 17647 | $0.00 | 17,647.0000 | 3,049,625 | 9999.99% | 0.58% |
| Jan. 3, 2025 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Common Stock | 4000 | $0.00 | 18,500.0000 | 76,845,055 | 27.59% | 0.01% |
| Jan. 3, 2025 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Stock Option (Right to Buy) | 8800 | $0.00 | 8,800.0000 | 76,845,055 | 9999.99% | 0.01% |
| Dec. 12, 2024 | SOLIGENIX, INC. | $SNGX | ZELDIS JEROME B | Not found | A | Stock Option (Right to Buy) | 8646 | $0.00 | 8,646.0000 | 2,203,929 | 9999.99% | 0.39% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | S | Common Stock | 3667 | $52.39 | 14,500.0000 | 76,925,523 | 20.18% | 0.00% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | M | Common Stock | 12000 | $51.00 | 26,500.0000 | 76,925,523 | 82.76% | 0.02% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | S | Common Stock | 8813 | $51.44 | 17,687.0000 | 76,925,523 | 33.26% | 0.01% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | S | Common Stock | 3187 | $52.42 | 14,500.0000 | 76,925,523 | 18.02% | 0.00% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | M | Common Stock | 12000 | $30.86 | 26,500.0000 | 76,925,523 | 82.76% | 0.02% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | S | Common Stock | 5699 | $50.52 | 20,801.0000 | 76,925,523 | 21.51% | 0.01% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | S | Common Stock | 2634 | $51.43 | 18,167.0000 | 76,925,523 | 12.66% | 0.00% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | M | Stock Option (Right to Buy) | 12000 | $0.00 | 0.0000 | 76,925,523 | 100.00% | 0.02% |
| Dec. 2, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | M | Stock Option (Right to Buy) | 12000 | $0.00 | 0.0000 | 76,925,523 | 100.00% | 0.02% |
| Nov. 20, 2024 | NEXGEL, INC. | $NXGL | ZELDIS JEROME B | Director | A | Warrant to Purchase Common Stock | 1818 | $0.00 | 1,818.0000 | 0 | 9999.99% | 0.00% |
| Nov. 20, 2024 | NEXGEL, INC. | $NXGL | ZELDIS JEROME B | Director | P | Common Stock | 3636 | $2.75 | 106,664.0000 | 0 | 3.53% | 0.00% |
| Sept. 13, 2024 | NEXGEL, INC. | $NXGL | ZELDIS JEROME B | Director | A | Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| Aug. 23, 2024 | NEXGEL, INC. | $NXGL | ZELDIS JEROME B | Director | P | Common Stock | 10000 | $2.50 | 103,028.0000 | 0 | 10.75% | 0.00% |
| Aug. 23, 2024 | NEXGEL, INC. | $NXGL | ZELDIS JEROME B | Director | A | Warrant to Purchase Common Stock | 5000 | $0.00 | 5,000.0000 | 0 | 9999.99% | 0.00% |
| May 22, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | S | Common Stock | 20000 | $38.24 | 14,500.0000 | 76,496,127 | 57.97% | 0.03% |
| May 22, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | M | Common Stock | 20000 | $26.42 | 34,500.0000 | 76,496,127 | 137.93% | 0.03% |
| May 22, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | M | Stock Option (Right to Buy) | 20000 | $0.00 | 0.0000 | 76,496,127 | 100.00% | 0.03% |
| Feb. 15, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Common Stock | 4000 | $0.00 | 14,500.0000 | 74,838,292 | 38.10% | 0.01% |
| Feb. 15, 2024 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 74,838,292 | 9999.99% | 0.01% |
| Jan. 5, 2023 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Common Stock | 4000 | $0.00 | 10,500.0000 | 71,728,634 | 61.54% | 0.01% |
| Jan. 5, 2023 | PTC THERAPEUTICS, INC. | $PTCT | ZELDIS JEROME B | Not found | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 71,728,634 | 9999.99% | 0.01% |