Jennifer Kayden Lee - SEC Form 4 Insider Trading Activity
EVP, Head of North America
Summary
Updated Aug 16, 2026
Jennifer Kayden Lee has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $13.34M.
Profile
Jennifer Kayden Lee holds the role of EVP, Head of North America at RHYTHM PHARMACEUTICALS, INC. (RYTM). Lee has reported 3 insider filings with the SEC since 2024. The most recent filing was in February 2026.
- Role
- EVP, Head of North America
Board memberships
- RHYTHM PHARMACEUTICALS, INC.
Trading Pattern
InsiderAlpha's records for Jennifer Kayden Lee go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. 15 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Jennifer Kayden Lee has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- EVP, Head of North America at RHYTHM PHARMACEUTICALS, INC. (RYTM) - 4 filings, 2024 to 2026
Recent Transactions
12| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| RYTM | RHYTHM PHARMACEUTICALS, INC. | S - Open-market sale 10b5-1 | 75.8K | $117.38 | $8.90M | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | M - Option exercise 10b5-1 | 21.6K | $6.80 | $147K | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | M - Option exercise 10b5-1 | 35.0K | $24.29 | $850K | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | F - Tax withholding / forfeiture | 9.2K | $108.99 | $1.01M | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | M - Option exercise | 22.6K | - | - | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | S - Open-market sale 10b5-1 | 200 | $68.43 | $14K | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | S - Open-market sale 10b5-1 | 11.1K | $67.56 | $748K | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | S - Open-market sale 10b5-1 | 17.5K | $66.95 | $1.17M | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | S - Open-market sale 10b5-1 | 38.1K | $65.68 | $2.50M | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | M - Option exercise 10b5-1 | 11.6K | $30.66 | $357K | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | M - Option exercise 10b5-1 | 28.7K | $24.29 | $698K | |
| RYTM | RHYTHM PHARMACEUTICALS, INC. | M - Option exercise 10b5-1 | 20.6K | $6.80 | $140K |
Companies - Last 90 Days
1- RHYTHM PHARMACEUTICALS, INC. (RYTM) - 1 filing, last 2026-08-14
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Jennifer Kayden Lee has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Yann Mazabraud - $6.62M of RYTM open-market activity in the last 12 months
- Joseph Shulman - $5.25M of RYTM open-market activity in the last 12 months
- Lynn A. Tetrault - $3.71M of RYTM open-market activity in the last 12 months
- Pamela J. Cramer - $2.62M of RYTM open-market activity in the last 12 months
- Hunter C. Smith - $2.22M of RYTM open-market activity in the last 12 months
- Christopher Paul German - $931K of RYTM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jennifer Kayden Lee?
Jennifer Kayden Lee holds the role of EVP, Head of North America at RHYTHM PHARMACEUTICALS, INC. (RYTM). Lee has reported 3 insider filings with the SEC since 2024. The most recent filing was in February 2026.…
How many SEC Form 4 filings has Jennifer Kayden Lee submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jennifer Kayden Lee been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($13.34M) across all tracked filings.
Where can I see all of Jennifer Kayden Lee's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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