RHYTHM PHARMACEUTICALS INC (RYTM) Stock Ownership and Short Interest
USA - NASDAQ:RYTM - US76243J1051 - Common Stock
104.99 USD
-8.75 (-7.69%)
104 USD
-0.99 (-0.94%)
| Shares Outstanding | 66.42M |
| Float | 63.31M |
| Float Short Interest Percentage | 8.8% |
| Owners (insider) | 0.67% |
| Owners (institutional) | 97.8% |
| Owners (insider) change | 0.46% |
| Owners (institutional) change | 0.46% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Oct 30, 2025 | Shulman Joseph | Option Excercise | 9748 | 30.66 | $ 298,873.68 |
| Oct 30, 2025 | Shulman Joseph | Open Market Sale | 9748 | 115.24 | $ 1,123,397.54 |
| Oct 28, 2025 | Shulman Joseph | Option Excercise | 2815 | 28.20 | $ 79,376.76 |
| Oct 28, 2025 | Shulman Joseph | Open Market Sale | 2815 | 115.01 | $ 323,750.05 |
| Oct 16, 2025 | Shulman Joseph | Option Excercise | 14437 | 30.18 | $ 435,710.59 |
| Oct 16, 2025 | Shulman Joseph | Open Market Sale | 14437 | 112.03 | $ 1,617,336.82 |
| Sep 2, 2025 | Shulman Joseph | Option Excercise | 16781 | 30.25 | $ 507,574.32 |
| Sep 2, 2025 | Shulman Joseph | Open Market Sale | 16781 | 105.30 | $ 1,767,005.74 |
| Aug 21, 2025 | Shulman Joseph | Option Excercise | 4188 | 27.35 | $ 114,541.80 |
| Aug 21, 2025 | Shulman Joseph | Open Market Sale | 4188 | 100.07 | $ 419,090.65 |
| Aug 12, 2025 | Smith Hunter C | Option Excercise | 28088 | 6.88 | $ 193,245.44 |
| Aug 12, 2025 | Smith Hunter C | Open Market Sale | 28088 | 96.29 | $ 2,704,623.77 |
| Aug 12, 2025 | German Christopher Paul | Option Excercise | 1500 | 28.39 | $ 42,585.00 |
| Aug 12, 2025 | German Christopher Paul | Open Market Sale | 1500 | 95.00 | $ 142,500.00 |
| Aug 11, 2025 | Shulman Joseph | Option Excercise | 3984 | 6.80 | $ 27,091.20 |
| Aug 11, 2025 | Shulman Joseph | Open Market Sale | 3984 | 90.08 | $ 358,891.47 |
| Jul 29, 2025 | Cramer Pamela J. | Open Market Sale | 1520 | 85.93 | $ 130,613.60 |
| Jul 26, 2025 | Cramer Pamela J. | Option Excercise | 3125 | $ 0.00 | |
| Jul 9, 2025 | German Christopher Paul | Open Market Sale | 3817 | 80.75 | $ 308,217.25 |
| Jul 9, 2025 | Cramer Pamela J. | Option Excercise | 15572 | 13.43 | $ 209,153.35 |
| Jul 9, 2025 | Cramer Pamela J. | Open Market Sale | 15572 | 77.13 | $ 1,201,062.21 |
| Jul 9, 2025 | Smith Hunter C | Option Excercise | 42120 | 6.88 | $ 289,785.60 |
| Jul 9, 2025 | Smith Hunter C | Open Market Sale | 42120 | 80.48 | $ 3,389,756.13 |
| Jul 9, 2025 | Shulman Joseph | Option Excercise | 7969 | 6.80 | $ 54,189.20 |
| Jul 9, 2025 | Shulman Joseph | Open Market Sale | 7969 | 77.78 | $ 619,850.56 |
| Jul 9, 2025 | German Christopher Paul | Option Excercise | 2850 | 27.29 | $ 77,785.50 |
| Jul 7, 2025 | Smith Hunter C | Option Excercise | 6986 | 6.88 | $ 48,063.68 |
| Jul 2, 2025 | Garfield Alastair | Open Market Sale | 1319 | 64.81 | $ 85,483.13 |
| Jul 1, 2025 | Garfield Alastair | Option Excercise | 4445 | $ 0.00 | |
| Jun 18, 2025 | JEAN CHRISTOPHE | Option Excercise | 4000 | $ 0.00 | |
| Jun 18, 2025 | GOOD JENNIFER L | Option Excercise | 4000 | $ 0.00 | |
| Jun 18, 2025 | Arbuckle Stuart A | Option Excercise | 4000 | $ 0.00 | |
| Jun 18, 2025 | Bedrosian Camille L | Option Excercise | 4000 | $ 0.00 | |
| Jun 18, 2025 | MCGIRR DAVID W J | Option Excercise | 4000 | $ 0.00 | |
| Jun 18, 2025 | TETRAULT LYNN A. | Option Excercise | 4000 | $ 0.00 | |
| Jun 18, 2025 | Mathers Edward T | Option Excercise | 4000 | $ 0.00 | |
| Jun 10, 2025 | German Christopher Paul | Option Excercise | 1069 | 17.97 | $ 19,209.93 |
| Jun 10, 2025 | German Christopher Paul | Open Market Sale | 2069 | 67.19 | $ 139,016.11 |
| Jun 6, 2025 | Cramer Pamela J. | Option Excercise | 7031 | 6.80 | $ 47,810.80 |
| Jun 6, 2025 | Cramer Pamela J. | Open Market Sale | 7031 | 68.05 | $ 478,434.94 |
| Jun 3, 2025 | MCGIRR DAVID W J | Option Excercise | 65431 | 4.59 | $ 300,328.29 |
| Jun 3, 2025 | MCGIRR DAVID W J | Open Market Sale | 65431 | 65.22 | $ 4,267,494.07 |
| Jun 3, 2025 | Meeker David P | Option Excercise | 43620 | 4.59 | $ 200,215.80 |
| Jun 3, 2025 | Meeker David P | Open Market Sale | 43620 | 65.05 | $ 2,837,333.35 |
| May 30, 2025 | Smith Hunter C | Option Excercise | 23400 | 6.88 | $ 160,992.00 |
| May 30, 2025 | Smith Hunter C | Open Market Sale | 23400 | 61.41 | $ 1,437,010.37 |
| Apr 29, 2025 | Cramer Pamela J. | Option Excercise | 7031 | 6.80 | $ 47,810.80 |
| Apr 29, 2025 | Cramer Pamela J. | Open Market Sale | 7031 | 65.09 | $ 457,663.26 |
| Apr 29, 2025 | Mazabraud Yann | Open Market Sale | 6745 | 65.08 | $ 438,946.39 |
| Apr 14, 2025 | Mazabraud Yann | Option Excercise | 21780 | $ 0.00 | |
| Apr 8, 2025 | Cramer Pamela J. | Option Excercise | 20760 | 13.43 | $ 278,853.00 |
| Apr 8, 2025 | Cramer Pamela J. | Open Market Sale | 20760 | 60.14 | $ 1,248,490.37 |
| Apr 8, 2025 | Mazabraud Yann | Open Market Sale | 17750 | 60.99 | $ 1,082,497.31 |
| Mar 21, 2025 | German Christopher Paul | Open Market Sale | 344 | 54.23 | $ 18,655.12 |
| Mar 20, 2025 | German Christopher Paul | Option Excercise | 1163 | $ 0.00 | |
| Mar 14, 2025 | Mazabraud Yann | Option Excercise | 75000 | 22.28 | $ 1,671,000.00 |
| Mar 14, 2025 | Mazabraud Yann | Open Market Sale | 75000 | 51.48 | $ 3,861,272.37 |
| Feb 19, 2025 | Smith Hunter C | Open Market Sale | 2215 | 57.22 | $ 126,742.30 |
| Feb 19, 2025 | Shulman Joseph | Open Market Sale | 1228 | 57.22 | $ 70,266.16 |
| Feb 19, 2025 | Meeker David P | Open Market Sale | 9896 | 57.22 | $ 566,249.12 |
| Feb 19, 2025 | Chien Jennifer | Open Market Sale | 2035 | 57.22 | $ 116,442.70 |
| Feb 19, 2025 | German Christopher Paul | Open Market Sale | 635 | 57.22 | $ 36,334.70 |
| Feb 19, 2025 | Cramer Pamela J. | Open Market Sale | 982 | 57.22 | $ 56,190.04 |
| Feb 16, 2025 | Smith Hunter C | Option Excercise | 6600 | $ 0.00 | |
| Feb 16, 2025 | Shulman Joseph | Option Excercise | 4125 | $ 0.00 | |
| Feb 16, 2025 | Meeker David P | Option Excercise | 21250 | $ 0.00 | |
| Feb 16, 2025 | Mazabraud Yann | Option Excercise | 5500 | $ 0.00 | |
| Feb 16, 2025 | Chien Jennifer | Option Excercise | 5500 | $ 0.00 | |
| Feb 16, 2025 | German Christopher Paul | Option Excercise | 1807 | $ 0.00 | |
| Feb 16, 2025 | Cramer Pamela J. | Option Excercise | 3300 | $ 0.00 | |
| Feb 12, 2025 | Smith Hunter C | Open Market Sale | 751 | 56.39 | $ 42,346.85 |
| Feb 12, 2025 | Shulman Joseph | Open Market Sale | 469 | 56.40 | $ 26,451.81 |
| Feb 12, 2025 | Chien Jennifer | Open Market Sale | 3020 | 57.03 | $ 172,238.05 |
| Feb 11, 2025 | Cramer Pamela J. | Open Market Sale | 701 | 57.51 | $ 40,314.60 |
| Feb 11, 2025 | Smith Hunter C | Open Market Sale | 1296 | 57.51 | $ 74,533.06 |
| Feb 11, 2025 | Shulman Joseph | Open Market Sale | 794 | 57.51 | $ 45,663.03 |
| Feb 10, 2025 | Chien Jennifer | Open Market Sale | 5216 | 58.64 | $ 305,845.83 |
| Feb 9, 2025 | Cramer Pamela J. | Option Excercise | 2344 | $ 0.00 | |
| Feb 9, 2025 | Smith Hunter C | Option Excercise | 6405 | $ 0.00 | |
| Feb 9, 2025 | Shulman Joseph | Option Excercise | 4218 | $ 0.00 | |
| Feb 9, 2025 | Chien Jennifer | Option Excercise | 9657 | 2.95 | $ 28,485.20 |
| Feb 5, 2025 | Chien Jennifer | Open Market Sale | 3066 | 60.55 | $ 185,640.20 |
| Feb 4, 2025 | Meeker David P | Open Market Sale | 4278 | 59.43 | $ 254,241.54 |
| Feb 4, 2025 | Chien Jennifer | Open Market Sale | 1447 | 59.43 | $ 85,995.21 |
| Feb 4, 2025 | Cramer Pamela J. | Open Market Sale | 902 | 59.43 | $ 53,605.86 |
| Feb 4, 2025 | Smith Hunter C | Open Market Sale | 1678 | 59.43 | $ 99,723.54 |
| Feb 4, 2025 | Shulman Joseph | Open Market Sale | 1281 | 59.43 | $ 76,129.83 |
| Feb 1, 2025 | Smith Hunter C | Option Excercise | 4925 | $ 0.00 | |
| Feb 1, 2025 | Shulman Joseph | Option Excercise | 3938 | $ 0.00 | |
| Feb 1, 2025 | Meeker David P | Option Excercise | 14125 | $ 0.00 | |
| Feb 1, 2025 | Chien Jennifer | Option Excercise | 4513 | $ 0.00 | |
| Feb 1, 2025 | Cramer Pamela J. | Option Excercise | 2650 | $ 0.00 | |
| Nov 11, 2024 | Chien Jennifer | Option Excercise | 60981 | 19.59 | $ 1,194,709.25 |
| Nov 11, 2024 | Chien Jennifer | Open Market Sale | 66861 | 66.33 | $ 4,434,882.42 |
| Nov 11, 2024 | Shulman Joseph | Option Excercise | 13281 | 12.63 | $ 167,759.76 |
| Nov 11, 2024 | Shulman Joseph | Open Market Sale | 13281 | 66.44 | $ 882,340.74 |
| Nov 6, 2024 | Cramer Pamela J. | Option Excercise | 9375 | 19.02 | $ 178,312.50 |
| Nov 6, 2024 | Cramer Pamela J. | Open Market Sale | 9375 | 62.50 | $ 585,940.00 |