Walker Karin L has filed 9 insider transactions across 2 companies since June 2023.
Most recent transaction: a grant/award of 150000 shares of PROTHENA CORP PUBLIC LTD CO ($PRTA) on March 03, 2026.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 3, 2026 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Walker Karin L | Chief Accounting Officer | A | Stock Option (Right to Buy) | 150000 | $0.00 | 150,000.0000 | 53,830,000 | 9999.99% | 0.28% |
| July 28, 2025 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Walker Karin L | Chief Accounting Officer | A | Ordinary Shares, par value $0.01 per share | 25000 | $0.00 | 25,000.0000 | 53,772,000 | 9999.99% | 0.05% |
| March 5, 2025 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Walker Karin L | Chief Accounting Officer | A | Stock Option (Right to Buy) | 70000 | $0.00 | 70,000.0000 | 53,772,000 | 9999.99% | 0.13% |
| Feb. 27, 2024 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Walker Karin L | Chief Accounting Officer | A | Stock Option (Right to Buy) | 54000 | $0.00 | 54,000.0000 | 53,216,000 | 9999.99% | 0.10% |
| Jan. 24, 2024 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Walker Karin L | Chief Accounting Officer | S | Ordinary Shares, par value $0.01 per share | 5000 | $34.00 | 0.0000 | 53,216,000 | 100.00% | 0.01% |
| Jan. 24, 2024 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Walker Karin L | Chief Accounting Officer | M | Ordinary Shares, par value $0.01 per share | 5000 | $13.53 | 5,000.0000 | 53,216,000 | 9999.99% | 0.01% |
| Jan. 24, 2024 | PROTHENA CORP PUBLIC LTD CO | $PRTA | Walker Karin L | Chief Accounting Officer | M | Stock Option (Right to Buy) | 5000 | $0.00 | 15,000.0000 | 53,216,000 | 25.00% | 0.01% |
| June 30, 2023 | Bio Green Med Solution, Inc. | $BGMS | Walker Karin L | Director | A | Common Stock | 21219 | $0.00 | 40,602.0000 | 0 | 109.47% | 0.00% |
| June 30, 2023 | Bio Green Med Solution, Inc. | $BGMS | Walker Karin L | Director | A | Stock Option (right to buy) | 42438 | $0.00 | 42,438.0000 | 0 | 9999.99% | 0.00% |