Gayer Charles K has filed 19 insider transactions across 1 company since December 2023.
Most recent transaction: a tax payment of 11477 shares of BIOCRYST PHARMACEUTICALS INC ($BCRX) on December 19, 2025.
Activity breakdown: 1 open-market purchase and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 19, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | F | Common Stock | 11477 | $7.41 | 878,350.0000 | 219,885,000 | 1.29% | 0.01% |
| Dec. 22, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | M | Emp. Stock Option (Right to Buy) | 50000 | $0.00 | 0.0000 | 219,885,000 | 100.00% | 0.02% |
| Dec. 22, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | M | Emp. Stock Option (Right to Buy) | 10091 | $0.00 | 17,409.0000 | 219,885,000 | 36.69% | 0.00% |
| Dec. 22, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | M | Emp. Stock Option (Right to Buy) | 14142 | $0.00 | 0.0000 | 219,885,000 | 100.00% | 0.01% |
| Dec. 22, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | M | Common Stock | 50000 | $5.51 | 952,583.0000 | 219,885,000 | 5.54% | 0.02% |
| Dec. 22, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | M | Common Stock | 10091 | $5.04 | 902,583.0000 | 219,885,000 | 1.13% | 0.00% |
| Dec. 22, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | M | Common Stock | 14142 | $3.22 | 892,492.0000 | 219,885,000 | 1.61% | 0.01% |
| Dec. 17, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | A | Emp. Stock Option (Right to Buy) | 986950 | $0.00 | 986,950.0000 | 219,885,000 | 9999.99% | 0.45% |
| Dec. 17, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | A | Common Stock | 471000 | $0.00 | 889,827.0000 | 219,885,000 | 112.46% | 0.21% |
| Dec. 12, 2025 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | President and CCO | F | Common Stock | 8181 | $7.57 | 418,827.0000 | 219,885,000 | 1.92% | 0.00% |
| Dec. 19, 2024 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | A | Common Stock | 125950 | $0.00 | 426,007.0000 | 206,905,000 | 41.98% | 0.06% |
| Dec. 19, 2024 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | A | Emp. Stock Option (Right to Buy) | 260950 | $0.00 | 260,950.0000 | 206,905,000 | 9999.99% | 0.13% |
| Dec. 19, 2024 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | F | Common Stock | 2461 | $7.39 | 423,546.0000 | 206,905,000 | 0.58% | 0.00% |
| Dec. 14, 2024 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | F | Common Stock | 8251 | $7.53 | 300,057.0000 | 206,905,000 | 2.68% | 0.00% |
| May 13, 2024 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | P | Common Stock | 30000 | $5.47 | 307,533.0000 | 192,198,000 | 10.81% | 0.02% |
| Dec. 19, 2023 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | F | Common Stock | 2482 | $6.05 | 274,533.0000 | 185,908,000 | 0.90% | 0.00% |
| Dec. 14, 2023 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | A | Common Stock | 34000 | $0.00 | 282,855.0000 | 185,908,000 | 13.66% | 0.02% |
| Dec. 14, 2023 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | A | Emp. Stock Option (Right to Buy) | 158500 | $0.00 | 158,500.0000 | 185,908,000 | 9999.99% | 0.09% |
| Dec. 14, 2023 | BIOCRYST PHARMACEUTICALS INC | $BCRX | Gayer Charles K | Chief Commercial Officer | F | Common Stock | 5840 | $6.43 | 277,015.0000 | 185,908,000 | 2.06% | 0.00% |