Kim Helen Susan bought Aktis Oncology ($AKTS) shares on the open market twice in the last year, for a total of 15 million dollars. Her most recent purchase was on January 12, 2026. These buys rank her 74th among nearly 5,000 insiders for highest purchase amounts, well above the average of 1.5 million dollars across about 3.3 transactions per insider. She 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. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | C | Series B Redeemable Convertible Preferred Stock | 101250 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Jan. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | C | Series A Redeemable Convertible Preferred Stock | 411750 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Jan. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | C | Series B Redeemable Convertible Preferred Stock | 3648750 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Jan. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | C | Common Stock | 4859370 | $0.00 | 4,859,370.0000 | 0 | 9999.99% | 0.00% |
| Jan. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | P | Common Stock | 812455 | $18.00 | 5,671,825.0000 | 0 | 16.72% | 0.00% |
| Jan. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | C | Common Stock | 134842 | $0.00 | 134,842.0000 | 0 | 9999.99% | 0.00% |
| Jan. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | P | Common Stock | 22545 | $18.00 | 157,387.0000 | 0 | 16.72% | 0.00% |
| Jan. 12, 2026 | Aktis Oncology, Inc. | $AKTS | Kim Helen Susan | Not found | C | Series A Redeemable Convertible Preferred Stock | 14838250 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| May 14, 2025 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Kim Helen Susan | Not found | A | Stock Option (Right to Buy) | 20183 | $0.00 | 20,183.0000 | 53,772,000 | 9999.99% | 0.04% |
| May 15, 2024 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Kim Helen Susan | Not found | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 53,216,000 | 9999.99% | 0.03% |