Director Robert L. Van Nostrand purchased SELLAS Life Sciences Group, Inc. ($SLS) shares once on the open market in the last 365 days for a total of $14,800. His most recent buy occurred on June 12, 2025. Among 4,983 insiders, his purchases rank 4,055th by amount, well below the average of $1.46 million across 3.29 transactions. Van Nostrand reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 7, 2026 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | A | Common Stock | 50000 | $0.00 | 82,900.0000 | 142,442,239 | 151.98% | 0.04% |
| June 12, 2025 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | P | Common Stock | 10000 | $1.48 | 20,400.0000 | 90,846,692 | 96.15% | 0.01% |
| Jan. 10, 2025 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | A | Stock Option (Right to Buy) | 18500 | $0.00 | 18,500.0000 | 0 | 9999.99% | 0.00% |
| Jan. 10, 2025 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | A | Common Stock | 12500 | $0.00 | 22,900.0000 | 0 | 120.19% | 0.00% |
| Jan. 22, 2024 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | A | Common Stock | 6000 | $0.00 | 10,400.0000 | 0 | 136.36% | 0.00% |
| Jan. 22, 2024 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 2, 2023 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | A | Common Stock | 2500 | $0.00 | 4,400.0000 | 0 | 131.58% | 0.00% |
| Feb. 2, 2023 | SELLAS Life Sciences Group, Inc. | $SLS | VAN NOSTRAND ROBERT L | Director | A | Stock Option (Right to Buy) | 9500 | $0.00 | 9,500.0000 | 0 | 9999.99% | 0.00% |