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Company Analysis

RYTM Insider Trading

RHYTHM PHARMACEUTICALS, INC. | Pharmaceutical Preparations

Comprehensive Trading Performance Summary

The investment history of corporate insiders at RHYTHM PHARMACEUTICALS, INC. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Pharmaceutical Preparations sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2026-03-07 00:51 2026-03-04 German Christopher Paul Officer - Corporate Controller & CAO OPT+S $89.56 5,614 $502,790 160 0.0%
2026-02-20 05:02 2026-02-17 Smith Hunter C Officer - Chief Financial Officer SELL $101.31 7,954 $805,813 110,512 -6.7%
2026-02-13 04:56 2026-02-10 Smith Hunter C Officer - Chief Financial Officer SELL $100.21 7,071 $708,576 118,466 -5.6%
2026-02-07 02:38 2026-02-04 Smith Hunter C Officer - Chief Financial Officer SELL $106.03 6,628 $702,744 125,537 -5.0%
2025-12-16 00:30 2025-12-11 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $111.00 3,350 $371,850 20,814 0.0%
2025-11-25 00:15 2025-11-20 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $105.00 3,350 $351,750 20,814 0.0%
2025-11-13 00:30 2025-11-07 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $99.00 22,866 $2,263,825 20,814 0.0%
2025-11-04 00:30 2025-10-30 Shulman Joseph Officer - Chief Technical Officer OPT+S $115.24 9,748 $1,123,398 8,509 0.0%
2025-10-30 23:44 2025-10-28 Shulman Joseph Officer - Chief Technical Officer OPT+S $115.01 2,815 $323,750 8,509 0.0%
2025-10-20 23:30 2025-10-16 Shulman Joseph Officer - Chief Technical Officer OPT+S $112.03 14,437 $1,617,337 8,509 0.0%
2025-09-04 23:30 2025-09-02 Shulman Joseph Officer - Chief Technical Officer OPT+S $105.30 16,781 $1,767,006 8,509 0.0%
2025-08-26 03:59 2025-08-21 Shulman Joseph Officer - Chief Technical Officer OPT+S $100.07 4,188 $419,091 8,509 0.0%
2025-08-15 01:48 2025-08-12 Smith Hunter C Officer - Chief Financial Officer OPT+S $96.29 28,088 $2,704,624 116,915 0.0%
2025-08-15 01:47 2025-08-12 German Christopher Paul Officer - Corporate Controller & CAO OPT+S $95.00 1,500 $142,500 922 0.0%
2025-08-14 01:32 2025-08-11 Shulman Joseph Officer - Chief Technical Officer OPT+S $90.08 3,984 $358,891 8,509 0.0%
2025-07-30 01:56 2025-07-29 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $85.93 1,520 $130,614 20,814 0.0%
2025-07-11 23:30 2025-07-09 Shulman Joseph Officer - Chief Technical Officer OPT+S $77.78 7,969 $619,850 8,509 0.0%
2025-07-11 23:30 2025-07-09 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $77.13 15,572 $1,201,062 19,209 0.0%
2025-07-11 23:31 2025-07-09 Smith Hunter C Officer - Chief Financial Officer OPT+S $80.48 42,120 $3,389,754 116,915 0.0%
2025-07-11 23:30 2025-07-09 German Christopher Paul Officer - Corporate Controller & CAO OPT+S $80.75 3,817 $308,217 922 0.0%
2025-07-04 00:12 2025-07-02 Garfield Alastair Officer - Chief Scientific Officer OPT+S $64.81 1,319 $85,483 3,126 0.0%
2025-06-12 23:50 2025-06-10 German Christopher Paul Officer - Corporate Controller & CAO OPT+S $67.19 2,069 $139,016 1,889 0.0%
2025-06-10 23:45 2025-06-06 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $68.05 7,031 $478,435 19,209 0.0%
2025-06-05 23:16 2025-06-03 Meeker David P Director, Officer - President and CEO OPT+S $65.05 43,620 $2,837,333 201,825 0.0%
2025-06-05 23:16 2025-06-03 MCGIRR DAVID W J Director OPT+S $65.22 65,431 $4,267,495 3,000 0.0%
2025-06-03 23:15 2025-05-30 Smith Hunter C Officer - Chief Financial Officer OPT+S $61.41 23,400 $1,437,010 109,929 0.0%
2025-05-01 23:53 2025-04-29 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $65.09 7,031 $457,663 19,209 0.0%
2025-05-01 23:52 2025-04-29 Mazabraud Yann Officer - EVP, Head of International SELL $65.08 6,745 $438,946 37,655 -15.2%
2025-04-11 00:17 2025-04-08 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $60.14 20,760 $1,248,490 19,209 0.0%
2025-04-11 00:16 2025-04-08 Mazabraud Yann Officer - EVP, Head of International SELL $60.99 17,750 $1,082,498 22,620 -44.0%
2025-03-25 00:47 2025-03-21 German Christopher Paul Officer - Corporate Controller & CAO OPT+S $54.23 344 $18,655 2,889 0.0%
2025-03-19 04:16 2025-03-14 Mazabraud Yann Officer - EVP, Head of International OPT+S $51.48 75,000 $3,861,270 40,370 0.0%
2025-02-20 05:49 2025-02-19 Shulman Joseph Officer - Chief Technical Officer OPT+S $57.22 1,228 $70,266 8,509 0.0%
2025-02-20 05:46 2025-02-19 Lee Jennifer Kayden Officer - EVP, Head of North America OPT+S $57.22 2,035 $116,443 5,858 0.0%
2025-02-20 05:43 2025-02-19 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $57.22 982 $56,190 19,209 0.0%
2025-02-20 05:50 2025-02-19 Smith Hunter C Officer - Chief Financial Officer OPT+S $57.22 2,215 $126,742 109,929 0.0%
2025-02-20 05:48 2025-02-19 Meeker David P Director, Officer - President and CEO OPT+S $57.22 9,896 $566,249 201,281 0.0%
2025-02-20 05:45 2025-02-19 German Christopher Paul Officer - Corporate Controller & CAO OPT+S $57.22 635 $36,335 2,070 0.0%
2025-02-15 00:57 2025-02-12 Shulman Joseph Officer - Chief Technical Officer SELL $56.40 469 $26,452 5,612 -7.7%
2025-02-15 00:55 2025-02-12 Lee Jennifer Kayden Officer - EVP, Head of North America SELL $57.03 3,020 $172,238 2,393 -55.8%
2025-02-15 00:59 2025-02-12 Smith Hunter C Officer - Chief Financial Officer SELL $56.39 751 $42,347 105,544 -0.7%
2025-02-12 05:47 2025-02-11 Shulman Joseph Officer - Chief Technical Officer OPT+S $57.51 794 $45,663 6 0.0%
2025-02-12 05:46 2025-02-10 Lee Jennifer Kayden Officer - EVP, Head of North America OPT+S $58.64 5,216 $305,846 5,413 0.0%
2025-02-12 05:45 2025-02-11 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $57.51 701 $40,315 16,891 0.0%
2025-02-12 05:44 2025-02-11 Smith Hunter C Officer - Chief Financial Officer OPT+S $57.51 1,296 $74,533 106,295 0.0%
2025-02-08 01:05 2025-02-05 Lee Jennifer Kayden Officer - EVP, Head of North America SELL $60.55 3,066 $185,640 972 -75.9%
2025-02-05 05:26 2025-02-04 Shulman Joseph Officer - Chief Technical Officer OPT+S $59.43 1,281 $76,130 2,657 0.0%
2025-02-05 05:23 2025-02-04 Lee Jennifer Kayden Officer - EVP, Head of North America OPT+S $59.43 1,447 $85,995 4,038 0.0%
2025-02-05 05:22 2025-02-04 Cramer Pamela J. Officer - Chief Human Resources Officer OPT+S $59.43 902 $53,606 15,248 0.0%
2025-02-05 05:27 2025-02-04 Smith Hunter C Officer - Chief Financial Officer OPT+S $59.43 1,678 $99,724 101,186 0.0%
SHOW ENTRIES

How to Interpret $RYTM Trades

Not every insider transaction in RHYTHM PHARMACEUTICALS, INC. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $RYTM shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.

Data Source & Accuracy for RYTM

Insider activity data for RHYTHM PHARMACEUTICALS, INC. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $RYTM, allowing you to follow the capital of those with the most intimate knowledge of the company.

UNDERSTANDING THE DATA

FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.

TRADE DATE: The actual day the insider executed the purchase or sale in the market.

INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.

OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.

CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.

TRADE TYPES DEFINITIONS

BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.

SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.

OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.