According to recent filings covering the 90 days ending December 12, 2025, the three most significant insider holders at Arcturus Therapeutics Holdings are President And CEO Joseph E Payne (1.48Mn shares), Chief Scientific Officer & COO Pad Chivukula (435.33K shares), Chief Financial Officer Andy Sassine (221.76K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Joseph E Payne | President And CEO | 1,480,097 | 28 Nov, 2022 |
| Pharmaceutical Inc. Ultragenyx | 1,400,000 | 12 Aug, 2021 | |
| Pad Chivukula | Chief Scientific Officer & COO | 435,334 | 16 Oct, 2024 |
| Andy Sassine | Chief Financial Officer | 221,764 | 20 Aug, 2025 |
| Peter C Farrell | 55,741 | 18 Jun, 2024 | |
| Magda Marquet | 28,073 | 18 Jun, 2024 | |
| James F Barlow | 13,131 | 18 Jun, 2024 | |
| Edward W Holmes | 3,131 | 18 Jun, 2024 | |
| John Markels | 3,131 | 18 Jun, 2024 | |
| Jing L. Marantz | 3,131 | 18 Jun, 2024 | |
| Keith C Kummerfeld | 950 | 18 Jul, 2023 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Aug, 2025 | Andy Sassine | Common Stock | D | 1,238 | $16.56 | 221,764 | D | P |
| 15 Aug, 2025 | Andy Sassine | Common Stock | A | 1,238 | $16.56 | 221,764 | D | P |
| 15 Oct, 2024 | Pad Chivukula | Common Stock | D | 12,000 | $20.76 | 435,334 | D | S |
| 15 Oct, 2024 | Pad Chivukula | - | - | 435,334 | D | |||
| 14 Jun, 2024 | Jing L. Marantz | - | - | 3,131 | D | |||
| 14 Jun, 2024 | John Markels | Common Stock | A | 3,131 | $0.00 | 3,131 | D | M |
| 14 Jun, 2024 | James F Barlow | Common Stock | A | 3,131 | $0.00 | 13,131 | D | M |
| 14 Jun, 2024 | Magda Marquet | Common Stock | A | 3,131 | $0.00 | 3,131 | D | M |
| 14 Jun, 2024 | Jing L. Marantz | Common Stock | A | 3,131 | $0.00 | 3,131 | D | M |
| 14 Jun, 2024 | Peter C Farrell | Common Stock | A | 3,131 | $0.00 | 55,741 | D | M |
| 14 Jun, 2024 | Edward W Holmes | Common Stock | A | 3,131 | $0.00 | 3,131 | D | M |
| 12 Jun, 2024 | Andy Sassine | - | - | 220,526 | D | |||
| 12 Jun, 2024 | Andy Sassine | Common Stock | D | 50,000 | $32.03 | 220,526 | D | S |
| 05 Jun, 2024 | Pad Chivukula | Common Stock | D | 114 | $45.00 | 447,334 | D | S |
| 03 Jun, 2024 | Pad Chivukula | Common Stock | D | 26,000 | $40.01 | 447,448 | D | S |
| 25 Mar, 2024 | Pad Chivukula | Common Stock | D | 17,435 | $35.02 | 473,448 | D | S |
| 19 Mar, 2024 | Pad Chivukula | Common Stock | D | 8,565 | $35.01 | 490,883 | D | S |
| 01 Nov, 2023 | Pad Chivukula | Common Stock | D | 5,000 | $18.72 | 499,448 | D | S |
| 02 Oct, 2023 | Pad Chivukula | Common Stock | D | 5,000 | $25.61 | 504,448 | D | S |
| 01 Sep, 2023 | Pad Chivukula | Common Stock | D | 5,000 | $31.45 | 509,448 | D | S |