Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Rhythm Pharmaceuticals, Inc. (RYTM) since 2017 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Rhythm Pharmaceuticals, Inc.. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1649904.
Total stock buying since 2017: $106,961,710.
Total stock sales since 2017: $126,116,516.
Total stock option exercises since 2017: $12,136,023.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 320,194 | $22,110,479 | 396,198 | $3,952,922 |
| 2024 | 0 | $0 | 469,036 | $23,546,632 | 408,345 | $5,290,133 |
| 2023 | 0 | $0 | 134,498 | $4,541,401 | 156,062 | $999,524 |
| 2022 | 0 | $0 | 26,010 | $406,309 | 52,089 | $256,636 |
| 2021 | 10,000 | $201,710 | 1,000,000 | $25,100,000 | 9,000 | $61,920 |
| 2020 | 0 | $0 | 1,029,686 | $24,276,767 | 96,480 | $580,480 |
| 2019 | 0 | $0 | 807,214 | $18,867,245 | 95,215 | $588,403 |
| 2018 | 0 | $0 | 238,079 | $7,267,683 | 70,534 | $406,005 |
| 2017 | 6,280,000 | $106,760,000 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2024-02-01 | Cramer Pamela J. (Chief Human Resources Officer) | Sale | 946 | 45.06 | 42,626 |
| 2024-02-01 | Cramer Pamela J. (Chief Human Resources Officer) | Option Ex | 2,650 | .00 | 0 |
| 2024-02-01 | Lee Jennifer Kayden (EVP, Head of North America) | Sale | 1,492 | 45.06 | 67,229 |
| 2024-02-01 | Lee Jennifer Kayden (EVP, Head of North America) | Option Ex | 4,513 | .00 | 0 |
| 2024-02-01 | Smith Hunter C (Chief Financial Officer) | Sale | 1,616 | 45.06 | 72,816 |
| 2024-02-01 | Smith Hunter C (Chief Financial Officer) | Option Ex | 4,925 | .00 | 0 |
| 2024-02-01 | Meeker David P (President and CEO) | Sale | 4,361 | 45.06 | 196,506 |
| 2024-02-01 | Meeker David P (President and CEO) | Option Ex | 14,125 | .00 | 0 |
| 2023-12-29 | Smith Hunter C (Chief Financial Officer) | Option Ex | 10,500 | 6.88 | 72,240 |
| 2023-12-28 | Shulman Joseph (Chief Technical Officer) | Sale | 7,926 | 50.00 | 396,315 |
| 2023-12-28 | Shulman Joseph (Chief Technical Officer) | Option Ex | 6,800 | 21.38 | 145,384 |
| 2023-12-27 | Shulman Joseph (Chief Technical Officer) | Sale | 5,015 | 50.01 | 250,795 |
| 2023-12-27 | Shulman Joseph (Chief Technical Officer) | Option Ex | 2,400 | 21.38 | 51,312 |
| 2023-12-06 | Smith Hunter C (Chief Financial Officer) | Sale | 20,000 | 40.00 | 800,000 |
| 2023-12-06 | Smith Hunter C (Chief Financial Officer) | Option Ex | 20,000 | 6.88 | 137,600 |
| 2023-12-05 | Smith Hunter C (Chief Financial Officer) | Sale | 7,026 | 35.06 | 246,359 |
| 2023-12-05 | Smith Hunter C (Chief Financial Officer) | Option Ex | 7,026 | 6.88 | 48,338 |
| 2023-11-24 | Smith Hunter C (Chief Financial Officer) | Sale | 10,974 | 35.02 | 384,331 |
| 2023-11-24 | Smith Hunter C (Chief Financial Officer) | Option Ex | 10,974 | 6.88 | 75,501 |
| 2023-11-14 | Shulman Joseph (Chief Technical Officer) | Sale | 27,890 | 32.07 | 894,320 |
| 2023-11-14 | Shulman Joseph (Chief Technical Officer) | Option Ex | 27,890 | 6.80 | 189,652 |
| 2023-11-14 | Lee Jennifer Kayden (EVP, Head of North America) | Sale | 13,677 | 32.01 | 437,814 |
| 2023-11-14 | Lee Jennifer Kayden (EVP, Head of North America) | Option Ex | 12,030 | 6.80 | 81,804 |
| 2023-11-14 | Smith Hunter C (Chief Financial Officer) | Sale | 12,000 | 30.38 | 364,572 |
| 2023-11-14 | Smith Hunter C (Chief Financial Officer) | Option Ex | 12,000 | 6.88 | 82,560 |
| 2023-11-03 | Lee Jennifer Kayden (EVP, Head of North America) | Sale | 80 | 28.00 | 2,240 |
| 2023-11-03 | Lee Jennifer Kayden (EVP, Head of North America) | Option Ex | 80 | 6.80 | 544 |
| 2023-09-05 | Lee Jennifer Kayden (EVP, Head of North America) | Sale | 6,166 | 28.05 | 172,956 |
| 2023-09-05 | Lee Jennifer Kayden (EVP, Head of North America) | Option Ex | 4,519 | 6.80 | 30,729 |
| 2023-08-09 | Lee Jennifer Kayden (EVP, Head of North America) | Sale | 1,718 | 24.66 | 42,365 |
| 2023-08-09 | Lee Jennifer Kayden (EVP, Head of North America) | Option Ex | 1,718 | 6.80 | 11,682 |
| 2023-08-07 | Lee Jennifer Kayden (EVP, Head of North America) | Sale | 11,223 | 24.18 | 271,349 |
| 2023-08-07 | Lee Jennifer Kayden (EVP, Head of North America) | Option Ex | 8,591 | 6.80 | 58,418 |
| 2023-07-26 | Cramer Pamela J. (Chief Human Resources Officer) | Sale | 930 | 17.64 | 16,405 |
| 2023-07-26 | Cramer Pamela J. (Chief Human Resources Officer) | Option Ex | 3,125 | .00 | 0 |
| 2023-06-16 | Smith Hunter C (Chief Financial Officer) | Option Ex | 2,000 | 6.88 | 13,760 |
| 2023-03-29 | Roberts William T. (Chief Accounting Officer) | Sale | 912 | 17.50 | 15,960 |
| 2023-03-29 | Roberts William T. (Chief Accounting Officer) | Option Ex | 2,500 | .00 | 0 |
| 2023-02-14 | Shulman Joseph (Chief Technical Officer) | Sale | 554 | 26.87 | 14,885 |
| 2023-02-14 | Chien Jennifer (EVP, Head of North America) | Sale | 635 | 26.87 | 17,062 |
| 2023-02-14 | Mazabraud Yann (EVP, Head of International) | Sale | 1,177 | 27.03 | 31,814 |
| 2023-02-14 | Smith Hunter C (Chief Financial Officer) | Sale | 702 | 26.87 | 18,862 |
| 2023-02-11 | Shulman Joseph (Chief Technical Officer) | Option Ex | 1,563 | .00 | 0 |
| 2023-02-11 | Chien Jennifer (EVP, Head of North America) | Option Ex | 2,031 | .00 | 0 |
| 2023-02-11 | Mazabraud Yann (EVP, Head of International) | Option Ex | 2,031 | .00 | 0 |
| 2023-02-11 | Smith Hunter C (Chief Financial Officer) | Option Ex | 2,344 | .00 | 0 |
| 2023-02-09 | Shulman Joseph (Chief Technical Officer) | Sale | 921 | 27.66 | 25,474 |
| 2023-02-09 | Shulman Joseph (Chief Technical Officer) | Option Ex | 2,657 | .00 | 0 |
| 2023-02-09 | Cramer Pamela J. (Chief Human Resources Officer) | Sale | 834 | 27.66 | 23,068 |
| 2023-02-09 | Cramer Pamela J. (Chief Human Resources Officer) | Option Ex | 2,344 | .00 | 0 |
| 2023-02-09 | Chien Jennifer (EVP, Head of North America) | Sale | 1,192 | 27.66 | 32,970 |
| 2023-02-09 | Chien Jennifer (EVP, Head of North America) | Option Ex | 3,438 | .00 | 0 |
| 2023-02-09 | Mazabraud Yann (EVP, Head of International) | Sale | 1,548 | 27.66 | 42,817 |
| 2023-02-09 | Mazabraud Yann (EVP, Head of International) | Option Ex | 3,438 | .00 | 0 |
| 2023-02-09 | Smith Hunter C (Chief Financial Officer) | Sale | 1,398 | 27.66 | 38,668 |
| 2023-02-09 | Smith Hunter C (Chief Financial Officer) | Option Ex | 4,063 | .00 | 0 |
| 2022-08-19 | Cramer Pamela J. (Chief Human Resources Officer) | Sale | 13,493 | 24.83 | 335,031 |
| 2022-08-19 | Cramer Pamela J. (Chief Human Resources Officer) | Option Ex | 13,493 | 19.02 | 256,636 |
| 2022-07-27 | Cramer Pamela J. (Chief Human Resources Officer) | Sale | 901 | 11.68 | 10,523 |
| 2022-07-26 | Cramer Pamela J. (Chief Human Resources Officer) | Option Ex | 3,125 | .00 | 0 |
| 2022-07-01 | Smith Hunter C (Chief Financial Officer) | Sale | 7,547 | 4.08 | 30,791 |
| 2022-06-30 | Smith Hunter C (Chief Financial Officer) | Option Ex | 25,000 | .00 | 0 |
| 2022-03-29 | Roberts William T. (Chief Accounting Officer) | Sale | 1,023 | 11.13 | 11,385 |
| 2022-03-29 | Roberts William T. (Chief Accounting Officer) | Option Ex | 2,500 | .00 | 0 |
| 2022-02-15 | Shulman Joseph (Chief Technical Officer) | Sale | 557 | 6.10 | 3,397 |
| 2022-02-15 | Chien Jennifer (EVP, Head of North America) | Sale | 722 | 6.10 | 4,404 |
| 2022-02-15 | Mazabraud Yann (EVP, Head of International) | Sale | 934 | 6.10 | 5,697 |
| 2022-02-15 | Smith Hunter C (Chief Financial Officer) | Sale | 833 | 6.10 | 5,081 |
| 2022-02-11 | Shulman Joseph (Chief Technical Officer) | Option Ex | 1,563 | .00 | 0 |
| 2022-02-11 | Chien Jennifer (EVP, Head of North America) | Option Ex | 2,032 | .00 | 0 |
| 2022-02-11 | Mazabraud Yann (EVP, Head of International) | Option Ex | 2,032 | .00 | 0 |
| 2022-02-11 | Smith Hunter C (Chief Financial Officer) | Option Ex | 2,344 | .00 | 0 |
| 2021-04-21 | Smith Hunter C (Chief Financial Officer) | Option Ex | 5,000 | 6.88 | 34,400 |
| 2021-03-30 | Meeker David P (President and CEO) | Buy | 10,000 | 20.17 | 201,710 |
| 2021-03-15 | Foley Todd (Director) | Sale | 1,000,000 | 25.10 | 25,100,000 |
| 2021-01-19 | Smith Hunter C (Chief Financial Officer) | Option Ex | 4,000 | 6.88 | 27,520 |
| 2020-12-03 | Shah Rajeev M. | Sale | 207,604 | 29.51 | 6,126,394 |
| 2020-12-02 | Shah Rajeev M. | Sale | 30,939 | 32.37 | 1,001,340 |
| 2020-08-31 | Desikan Nithya (Chief Commercial Officer) | Sale | 25,000 | 30.00 | 750,000 |
| 2020-08-31 | Desikan Nithya (Chief Commercial Officer) | Option Ex | 25,000 | 6.88 | 172,000 |
| 2020-08-11 | Desikan Nithya (Chief Commercial Officer) | Option Ex | 14,534 | 6.88 | 99,993 |
| 2020-07-02 | Shah Rajeev M. | Sale | 44,153 | 22.04 | 972,955 |
| 2020-07-01 | Shah Rajeev M. | Sale | 25,527 | 21.87 | 558,301 |
| 2020-06-30 | Shah Rajeev M. | Sale | 61,901 | 22.15 | 1,371,230 |
| 2020-06-29 | Shah Rajeev M. | Sale | 52,049 | 22.19 | 1,155,019 |
| 2020-06-26 | Shah Rajeev M. | Sale | 86,706 | 23.31 | 2,020,856 |
| 2020-06-26 | Foley Todd (Director) | Sale | 300 | 25.04 | 7,512 |
| 2020-06-25 | Shah Rajeev M. | Sale | 11,568 | 25.05 | 289,766 |
| 2020-06-25 | Foley Todd (Director) | Sale | 17,947 | 25.41 | 456,033 |
| 2020-06-24 | Foley Todd (Director) | Sale | 97,388 | 25.34 | 2,467,811 |
| 2020-06-05 | Foley Todd (Director) | Sale | 1,896 | 20.00 | 37,920 |
| 2020-06-03 | Foley Todd (Director) | Sale | 18,245 | 20.27 | 369,826 |
| 2020-06-02 | Foley Todd (Director) | Sale | 15,578 | 20.23 | 315,142 |
| 2020-06-01 | Foley Todd (Director) | Sale | 10,535 | 20.08 | 211,542 |
| 2020-05-28 | Foley Todd (Director) | Sale | 19,152 | 20.19 | 386,678 |
| 2020-05-27 | Foley Todd (Director) | Sale | 10,148 | 20.13 | 204,279 |
| 2020-05-26 | Foley Todd (Director) | Sale | 44,421 | 20.47 | 909,297 |
| 2020-05-22 | Foley Todd (Director) | Sale | 26,906 | 20.13 | 541,617 |
| 2020-05-21 | Foley Todd (Director) | Sale | 25,594 | 20.25 | 518,278 |
| 2020-05-20 | Foley Todd (Director) | Sale | 10,527 | 20.01 | 210,645 |
| 2020-05-19 | Foley Todd (Director) | Sale | 2,633 | 20.00 | 52,660 |
| 2020-05-18 | Foley Todd (Director) | Sale | 21,349 | 20.00 | 426,980 |
| 2020-05-13 | Foley Todd (Director) | Sale | 1,837 | 20.04 | 36,813 |
| 2020-05-12 | Foley Todd (Director) | Sale | 24,342 | 20.23 | 492,438 |
| 2020-05-11 | Foley Todd (Director) | Sale | 22,155 | 20.34 | 450,632 |
| 2020-05-08 | Foley Todd (Director) | Sale | 6,633 | 20.05 | 132,991 |
| 2020-05-07 | Foley Todd (Director) | Sale | 200 | 20.01 | 4,002 |
| 2020-05-06 | Foley Todd (Director) | Sale | 1,626 | 20.00 | 32,520 |
| 2020-04-29 | Foley Todd (Director) | Sale | 20,397 | 20.12 | 410,387 |
| 2020-04-28 | Foley Todd (Director) | Sale | 15,826 | 20.07 | 317,627 |
| 2020-04-01 | Foley Todd (Director) | Sale | 15,462 | 15.10 | 233,476 |
| 2020-03-31 | Foley Todd (Director) | Sale | 19,108 | 15.16 | 289,677 |
| 2020-03-30 | Smith Hunter C (CFO and Interim CEO) | Option Ex | 3,900 | 6.88 | 26,832 |
| 2020-03-26 | Foley Todd (Director) | Sale | 2,300 | 15.04 | 34,592 |
| 2020-03-20 | Foley Todd (Director) | Sale | 1,100 | 15.00 | 16,500 |
| 2020-03-19 | Foley Todd (Director) | Sale | 8,200 | 15.07 | 123,574 |
| 2020-03-18 | Foley Todd (Director) | Sale | 12,781 | 15.14 | 193,504 |
| 2020-03-17 | Foley Todd (Director) | Sale | 9,653 | 15.12 | 145,953 |
| 2020-03-13 | Smith Hunter C (Chief Financial Officer) | Option Ex | 3,500 | 6.88 | 24,080 |
| 2020-03-09 | Gottesdiener Keith Michael (CEO & President) | Option Ex | 3,408 | 6.14 | 20,925 |
| 2020-02-10 | Gottesdiener Keith Michael (CEO & President) | Option Ex | 6,816 | 6.14 | 41,850 |
| 2020-01-28 | Smith Hunter C (Chief Financial Officer) | Option Ex | 6,250 | 6.88 | 43,000 |
| 2020-01-08 | Gottesdiener Keith Michael (CEO & President) | Option Ex | 33,072 | 4.59 | 151,800 |
| 2019-12-27 | Desikan Nithya (Chief Commercial Officer) | Sale | 35,181 | 22.79 | 801,774 |
| 2019-12-27 | Desikan Nithya (Chief Commercial Officer) | Option Ex | 35,181 | 6.88 | 242,045 |
| 2019-12-12 | Foley Todd (Director) | Sale | 3,762 | 25.01 | 94,087 |
| 2019-12-11 | Foley Todd (Director) | Sale | 13,600 | 25.14 | 341,904 |
| 2019-12-10 | Foley Todd (Director) | Sale | 41,839 | 25.36 | 1,061,037 |
| 2019-12-09 | Foley Todd (Director) | Sale | 22,195 | 25.04 | 555,762 |
| 2019-12-03 | Foley Todd (Director) | Sale | 16,777 | 22.33 | 374,630 |
| 2019-12-02 | Foley Todd (Director) | Sale | 25,366 | 22.03 | 558,812 |
| 2019-11-29 | Foley Todd (Director) | Sale | 18,359 | 22.67 | 416,198 |
| 2019-11-27 | Foley Todd (Director) | Sale | 34,960 | 22.91 | 800,933 |
| 2019-11-26 | Foley Todd (Director) | Sale | 74,225 | 23.31 | 1,730,184 |
| 2019-11-25 | Foley Todd (Director) | Sale | 121,343 | 23.19 | 2,813,944 |
| 2019-11-22 | Foley Todd (Director) | Sale | 102,682 | 21.91 | 2,249,762 |
| 2019-11-21 | Foley Todd (Director) | Sale | 64,923 | 20.80 | 1,350,073 |
| 2019-11-20 | Foley Todd (Director) | Sale | 141,365 | 22.02 | 3,112,857 |
| 2019-08-12 | Desikan Nithya (Chief Commercial Officer) | Option Ex | 14,534 | 6.88 | 99,993 |
| 2019-07-16 | Gottesdiener Keith Michael (CEO and President) | Option Ex | 7,500 | 4.59 | 34,425 |
| 2019-07-11 | Smith Hunter C (Chief Financial Officer) | Option Ex | 10,000 | 6.88 | 68,800 |
| 2019-05-31 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Sale | 5,000 | 25.10 | 125,500 |
| 2019-05-31 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Option Ex | 5,000 | 4.59 | 22,950 |
| 2019-05-30 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Sale | 5,000 | 25.31 | 126,550 |
| 2019-05-30 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Option Ex | 5,000 | 4.59 | 22,950 |
| 2019-05-29 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Sale | 5,000 | 25.51 | 127,550 |
| 2019-05-29 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Option Ex | 5,000 | 4.59 | 22,950 |
| 2019-05-28 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Sale | 10,000 | 25.38 | 253,800 |
| 2019-05-28 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Option Ex | 10,000 | 5.37 | 53,650 |
| 2019-03-18 | Gottesdiener Keith Michael (CEO & President) | Sale | 2,329 | 30.27 | 70,498 |
| 2019-03-15 | Gottesdiener Keith Michael (CEO & President) | Sale | 7,961 | 30.04 | 239,148 |
| 2019-03-14 | Gottesdiener Keith Michael (CEO & President) | Sale | 1,506 | 30.05 | 45,255 |
| 2019-03-13 | Gottesdiener Keith Michael (CEO & President) | Sale | 7,782 | 30.06 | 233,926 |
| 2019-02-27 | Gottesdiener Keith Michael (CEO and President) | Sale | 1,814 | 30.01 | 54,438 |
| 2019-02-26 | Gottesdiener Keith Michael (CEO and President) | Sale | 635 | 30.13 | 19,132 |
| 2019-02-19 | Gottesdiener Keith Michael (CEO and President) | Sale | 918 | 30.05 | 27,585 |
| 2019-02-15 | Gottesdiener Keith Michael (CEO and President) | Sale | 12,002 | 30.02 | 360,300 |
| 2019-02-13 | Gottesdiener Keith Michael (CEO and President) | Sale | 3,934 | 30.00 | 118,020 |
| 2019-01-31 | Smith Hunter C (Chief Financial Officer) | Option Ex | 3,000 | 6.88 | 20,640 |
| 2019-01-23 | Gottesdiener Keith Michael (CEO and President) | Sale | 105 | 30.21 | 3,172 |
| 2019-01-22 | Gottesdiener Keith Michael (CEO and President) | Sale | 15,674 | 30.05 | 471,003 |
| 2019-01-18 | Gottesdiener Keith Michael (CEO & President) | Sale | 10,115 | 30.01 | 303,551 |
| 2019-01-16 | Gottesdiener Keith Michael (CEO & President) | Sale | 662 | 30.00 | 19,860 |
| 2019-01-16 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Sale | 200 | 30.00 | 6,000 |
| 2018-12-03 | Gottesdiener Keith Michael (CEO and President) | Sale | 563 | 30.00 | 16,890 |
| 2018-11-02 | Gottesdiener Keith Michael (CEO and President) | Sale | 16,500 | 30.08 | 496,320 |
| 2018-11-02 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Sale | 38,000 | 30.09 | 1,143,420 |
| 2018-11-02 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Option Ex | 28,200 | 6.08 | 171,540 |
| 2018-09-25 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Sale | 31,800 | 29.72 | 945,096 |
| 2018-09-25 | Van Der Ploeg Leonardus H.t. (Chief Scientific Officer) | Option Ex | 21,800 | 4.59 | 100,062 |
| 2018-09-05 | Smith Hunter C (Chief Financial Officer) | Option Ex | 3,000 | 6.88 | 20,640 |
| 2018-08-10 | Desikan Nithya (Chief Commercial Officer) | Option Ex | 14,534 | 6.88 | 99,993 |
| 2018-05-22 | Orbimed Capital Gp V Llc | Sale | 19,580 | 30.67 | 600,518 |
| 2018-05-21 | Orbimed Capital Gp V Llc | Sale | 62,500 | 31.01 | 1,938,125 |
| 2018-05-18 | Orbimed Capital Gp V Llc | Sale | 69,136 | 30.77 | 2,127,314 |
| 2018-05-09 | Gottesdiener Keith Michael (C.E.O. and President) | Option Ex | 3,000 | 4.59 | 13,770 |
| 2017-10-10 | Deerfield Private Design Fund Iii, L.p. | Buy | 355,000 | 17.00 | 6,035,000 |
| 2017-10-10 | Mpm Bioventures V Llc (10% Owner) | Buy | 100,000 | 17.00 | 1,700,000 |
| 2017-10-10 | Viswanathan Ravi (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Foley Todd (Director) | Buy | 100,000 | 17.00 | 1,700,000 |
| 2017-10-10 | Nea 13 Gp, Ltd (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Meeker David P (Director) | Buy | 25,000 | 17.00 | 425,000 |
| 2017-10-10 | Ipsen, S.a. (10% Owner) | Buy | 20,000 | 17.00 | 340,000 |
| 2017-10-10 | Baskett Forest (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Sandell Scott D (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Kerins Patrick J (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Mott David M (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Barrett M James (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Isaly Samuel D (10% Owner) | Buy | 355,000 | 17.00 | 6,035,000 |
| 2017-10-10 | Barris Peter J (10% Owner) | Buy | 550,000 | 17.00 | 9,350,000 |
| 2017-10-10 | Pfizer Inc (10% Owner) | Buy | 40,000 | 17.00 | 680,000 |
| 2017-10-05 | Baker Julian (Other) | Buy | 885,000 | 17.00 | 15,045,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of RYTM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Rhythm Pharmaceuticals, Inc. (symbol RYTM, CIK number 1649904) see the Securities and Exchange Commission (SEC) website.