Insider · CIK 0001601572
Rita A Karachun
Files at: CHRS, MRK. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 5, 2026 AForm 4 → | Jun 9, 6:43 pm EDT | Coherus Oncology, Inc.CHRS | 30,000 | — | — | 30,000 | — | |
| Feb 25, 2019 AForm 4 → | Feb 27, 6:55 pm EST | Merck & Co., Inc.MRK | 2,330 | $80.38 | $187,285 | 18,505 | — | plan? |
| Feb 14, 2019 SForm 4 → | Feb 14, 6:02 pm EST | Merck & Co., Inc.MRK | 64,662 | $78.96 | $5,105,951 | 16,175 | −80.0% | plan? |
| Feb 14, 2019 MForm 4 → | Feb 14, 6:02 pm EST | Merck & Co., Inc.MRK | 64,662 | $59.16 | $3,825,551 | 80,837 | — | plan? |
| Aug 2, 2018 SForm 4 → | Aug 2, 5:07 pm EDT | Merck & Co., Inc.MRK | 5,000 | $65.01 | $325,040 | 16,175 | −23.6% | plan? |
| May 1, 2018 FMForm 4 → | May 2, 12:18 pm EDT | Merck & Co., Inc.MRK | 4,037 | $58.87 | $60,636 | 21,175 | — | plan? |
| Feb 27, 2018 AForm 4 → | Mar 1, 7:33 pm EST | Merck & Co., Inc.MRK | 3,090 | $54.72 | $169,085 | 19,198 | — | plan? |
| May 9, 2017 FMForm 4 → | May 9, 4:42 pm EDT | Merck & Co., Inc.MRK | 3,536 | $64.01 | $61,450 | 16,108 | — | plan? |
| Feb 27, 2017 AForm 4 → | Mar 1, 4:46 pm EST | Merck & Co., Inc.MRK | 2,797 | $65.85 | $184,182 | 14,472 | — | plan? |
| Feb 14, 2017 SForm 4 → | Feb 15, 11:30 am EST | Merck & Co., Inc.MRK | 2,954 | $64.73 | $191,227 | 11,675 | −20.2% | plan? |
| May 6, 2016 FMForm 4 → | May 9, 4:21 pm EDT | Merck & Co., Inc.MRK | 2,747 | $54.09 | $40,351 | 14,629 | — | plan? |
| May 2, 2015 FMForm 4 → | May 5, 4:46 pm EDT | Merck & Co., Inc.MRK | 6,464 | $59.86 | $105,054 | 13,374 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 5, 2026 AForm 4 → | Jun 9, 6:43 pm EDT | Coherus Oncology, Inc.CHRS | 60,000 | — | — | 60,000 | — | |
| Feb 14, 2019 MForm 4 → | Feb 14, 6:02 pm EST | Merck & Co., Inc.MRK | 64,662 | — | — | 0 | — | |
| May 4, 2018 AForm 4 → | May 8, 5:32 pm EDT | Merck & Co., Inc.MRK | 29,253 | — | — | 25,617 | — | |
| May 1, 2018 MForm 4 → | May 2, 12:18 pm EDT | Merck & Co., Inc.MRK | 3,007 | $58.87 | $177,022 | 0 | — | |
| May 5, 2017 AMForm 4 → | May 9, 4:42 pm EDT | Merck & Co., Inc.MRK | 35,816 | $64.01 | $164,890 | 0 | — | |
| May 10, 2016 AForm 4 → | May 12, 11:40 am EDT | Merck & Co., Inc.MRK | 44,039 | — | — | 40,747 | — | |
| May 6, 2016 MForm 4 → | May 9, 4:21 pm EDT | Merck & Co., Inc.MRK | 2,001 | $54.09 | $108,234 | 0 | — | |
| May 1, 2015 AMForm 4 → | May 5, 4:46 pm EDT | Merck & Co., Inc.MRK | 44,868 | $59.86 | $281,881 | 0 | — |