Or Yat Sun, Chief Scientific Officer of Enanta Pharmaceuticals Inc. ($ENTA), made one open market sale of common shares in the last 365 days, totaling $34,010. His most recent ENTA insider sale occurred on December 5, 2025. Among 11,678 insiders with sales, his amount ranks 10,715th, well below the average of $8.6 million across 6.4 transactions. Or Yat Sun reported no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 12, 2026 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | F | Common Stock | 3413 | $14.25 | 374,854.0000 | 29,019,344 | 0.90% | 0.01% |
| Feb. 12, 2026 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | A | Common Stock | 5225 | $0.00 | 378,267.0000 | 29,019,344 | 1.40% | 0.02% |
| Feb. 12, 2026 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | A | Common Stock | 1650 | $0.00 | 373,042.0000 | 29,019,344 | 0.44% | 0.01% |
| Dec. 5, 2025 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | S | Common Stock | 2390 | $14.23 | 371,392.0000 | 28,862,601 | 0.64% | 0.01% |
| Dec. 1, 2025 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | F | Common Stock | 753 | $14.12 | 373,782.0000 | 28,862,601 | 0.20% | 0.00% |
| Nov. 25, 2025 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | A | Stock Option (right to buy) | 110000 | $0.00 | 110,000.0000 | 28,862,601 | 9999.99% | 0.38% |
| Feb. 12, 2025 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | A | Common Stock | 9750 | $0.00 | 378,859.0000 | 0 | 2.64% | 0.00% |
| Feb. 12, 2025 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | F | Common Stock | 4324 | $5.59 | 374,535.0000 | 0 | 1.14% | 0.00% |
| Dec. 6, 2024 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | S | Common Stock | 2591 | $8.06 | 369,109.0000 | 0 | 0.70% | 0.00% |
| Dec. 1, 2024 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | F | Common Stock | 1595 | $8.60 | 371,700.0000 | 0 | 0.43% | 0.00% |
| Nov. 27, 2024 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | A | Stock Option (right to buy) | 87000 | $0.00 | 87,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 12, 2024 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | F | Common Stock | 1080 | $12.41 | 373,295.0000 | 0 | 0.29% | 0.00% |
| Feb. 12, 2024 | ENANTA PHARMACEUTICALS INC | $ENTA | Or Yat Sun | Chief Scientific Officer | A | Common Stock | 3680 | $0.00 | 374,375.0000 | 0 | 0.99% | 0.00% |