According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Delcath Systems are Director Steven A J Salamon (4.53Mn shares), Director Gil Aharon (4.48Mn shares), Director Advisors, Inc. Rosalind (3.41Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Steven A J Salamon | 4,534,493 | 20 Mar, 2024 | |
| Gil Aharon | 4,483,178 | 20 Mar, 2024 | |
| Advisors, Inc. Rosalind | 3,413,468 | 09 May, 2025 | |
| Gerard J Michel | Chief Executive Officer | 330,834 | 13 Nov, 2025 |
| Vojo Vukovic | Chief Medical Officer | 168,882 | 13 Jun, 2025 |
| David L. Hoffman | Gen'L Counsel And Cco & Secy | 74,330 | 19 Mar, 2024 |
| Sandra Pennell | Svp Of Finance And Pfo And Pao | 61,052 | 19 Mar, 2024 |
| John Purpura | Chief Operating Officer | 41,526 | 17 Oct, 2023 |
| Kevin Muir | Gm Interventional Oncology | 18,582 | 19 Mar, 2024 |
| John Richard Sylvester | 14,936 | 25 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 21 Nov, 2025 | John Richard Sylvester | Common Stock | A | 4,386 | $8.89 | 14,936 | D | P |
| 11 Nov, 2025 | Gerard J Michel | Common Stock | A | 11,500 | $8.53 | 330,834 | D | P |
| 12 Jun, 2025 | Vojo Vukovic | - | - | 168,882 | D | |||
| 12 Jun, 2025 | Vojo Vukovic | Common Stock | A | 42,000 | $4.78 | 168,882 | D | M |
| 05 May, 2025 | Advisors, Inc. Rosalind | - | - | 3,413,468 | I | |||
| 05 May, 2025 | Advisors, Inc. Rosalind | Common shares | A | 400,000 | $10.00 | 3,413,468 | I | X |
| 05 May, 2025 | Steven A J Salamon | Common shares | A | 400,000 | $10.00 | 3,413,468 | I | X |
| 05 May, 2025 | Gil Aharon | Common shares | A | 400,000 | $10.00 | 3,413,468 | I | X |
| 24 Dec, 2024 | Advisors, Inc. Rosalind | Common shares | A | 250,000 | $10.00 | 3,013,468 | I | C |
| 24 Dec, 2024 | Steven A J Salamon | Common shares | A | 250,000 | $10.00 | 3,013,468 | I | C |
| 24 Dec, 2024 | Gil Aharon | Common shares | A | 250,000 | $10.00 | 3,013,468 | I | C |
| 22 Oct, 2024 | Gerard J Michel | - | - | 319,334 | D | |||
| 22 Oct, 2024 | Gerard J Michel | Common Stock | A | 16,666 | $6.00 | 319,334 | D | M |
| 18 Apr, 2024 | Advisors, Inc. Rosalind | Common Shares | A | 619,946 | $6,199.46 | 2,763,468 | I | X |
| 18 Apr, 2024 | Advisors, Inc. Rosalind | Common Shares | A | 991,615 | $0.00 | 2,763,468 | I | C |
| 18 Apr, 2024 | Advisors, Inc. Rosalind | Common Shares | A | 991,615 | $0.00 | 2,763,468 | I | C |
| 18 Apr, 2024 | Advisors, Inc. Rosalind | Common Shares | A | 619,946 | $0.01 | 2,763,468 | I | X |
| 18 Apr, 2024 | Steven A J Salamon | Common Shares | A | 991,615 | $0.00 | 2,732,586 | I | C |
| 18 Apr, 2024 | Steven A J Salamon | Common Shares | A | 619,946 | $6,199.46 | 2,732,586 | I | X |
| 18 Apr, 2024 | Steven A J Salamon | Common Shares | A | 991,615 | $0.00 | 2,732,586 | I | C |