Karachun Rita A has filed 17 insider transactions across 2 companies since January 2023.
Most recent transaction: a grant/award of 112000 shares of Coherus Oncology, Inc. ($CHRS) on June 12, 2025.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 12, 2025 | Coherus Oncology, Inc. | $CHRS | Karachun Rita A | Not found | A | Stock Option (Right to Buy) | 112000 | $0.00 | 112,000.0000 | 115,857,780 | 9999.99% | 0.10% |
| June 4, 2024 | Coherus Oncology, Inc. | $CHRS | Karachun Rita A | Not found | A | Stock Option (Right to Buy) | 168000 | $0.00 | 168,000.0000 | 112,749,306 | 9999.99% | 0.15% |
| May 3, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 803 | $117.89 | 45,362.9720 | 2,542,000,000 | 1.80% | 0.00% |
| May 3, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | F | Common Stock | 276 | $117.89 | 45,086.9720 | 2,542,000,000 | 0.61% | 0.00% |
| May 4, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 949 | $118.22 | 46,035.9720 | 2,542,000,000 | 2.10% | 0.00% |
| May 4, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | F | Common Stock | 326 | $118.22 | 45,709.9720 | 2,542,000,000 | 0.71% | 0.00% |
| May 4, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 15875 | $62.07 | 61,584.9720 | 2,542,000,000 | 34.73% | 0.00% |
| May 4, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | S | Common Stock | 15875 | $117.53 | 45,709.9720 | 2,542,000,000 | 25.78% | 0.00% |
| May 3, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Restricted Stock Unit | 803 | $0.00 | 1,608.0000 | 2,542,000,000 | 33.31% | 0.00% |
| May 4, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Restricted Stock Unit | 949 | $0.00 | 951.0000 | 2,542,000,000 | 49.95% | 0.00% |
| May 4, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Stock Option (Right to Buy) | 15875 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| May 2, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | A | Stock Option (Right to Buy) | 9682 | $0.00 | 9,682.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 2, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | A | Restricted Stock Unit | 1781 | $0.00 | 1,781.0000 | 2,542,000,000 | 9999.99% | 0.00% |
| May 1, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Common Stock | 930 | $115.47 | 44,878.9720 | 2,542,000,000 | 2.12% | 0.00% |
| May 1, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | F | Common Stock | 319 | $115.47 | 44,559.9720 | 2,542,000,000 | 0.71% | 0.00% |
| May 1, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | M | Restricted Stock Unit | 930 | $0.00 | 0.0000 | 2,542,000,000 | 100.00% | 0.00% |
| Jan. 23, 2023 | Merck & Co., Inc. | $MRK | Karachun Rita A | Sr. VP Fince-Global Controller | A | Common Stock | 2846 | $109.88 | 43,948.9720 | 2,542,000,000 | 6.92% | 0.00% |