Insider · CIK 0001219023
David W J McGirr
Files at INSM (INSMED Inc), XFOR (X4 Pharmaceuticals, Inc), RYTM (RHYTHM PHARMACEUTICALS, INC.). First filing Jun 4, 2025, latest Jun 5, 2025.
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
RYTM: RHYTHM PHARMACEUTICALS, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
INSM: INSMED Inc
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 40Moderate | RHYTHM PHARMACEUTICALS, INC. | $4.3M 65,431 shares | -96% | +40% from low-2% from high | |
| 27Weak | INSMED Inc | $452k 6,250 shares | -6% | +13% from low-13% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 24, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | AGrant or award Stock Option (right to buy)derivative | +7,037 | $0.00 | $0 | 7,037 | Jun 26, 2025 |
| Jun 24, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | AGrant or award Restricted Stock Unitsderivative | +4,712 | $0.00 | $0 | 4,712 | Jun 26, 2025 |
| Jun 18, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | MOption exercise Common Stock | +4,000 | - | - | 7,000 | Jun 23, 2025 |
| Jun 18, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | MOption exercise Restricted Stock Unitsderivative | -4,000 | $0.00 | $0 | 0 | Jun 23, 2025 |
| Jun 9, 2025 | XFOR X4 Pharmaceuticals, Inc | AGrant or award Common Stock | +1,500 | $0.00 | $0 | 4,722 | Jun 10, 2025 |
| Jun 3, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | MOption exercise Common Stock10b5-1 | +65,431 | $4.59 | $300k | 68,431 | Jun 5, 2025 |
| Jun 3, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | SOpen-market sale Common Stock10b5-1 | -55,558 | $65.15 | $3.6M | 12,873 | Jun 5, 2025 |
| Jun 3, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | SOpen-market sale Common Stock10b5-1 | -9,873 | $65.64 | $648k | 3,000 | Jun 5, 2025 |
| Jun 3, 2025 | RYTM RHYTHM PHARMACEUTICALS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -65,431 | $0.00 | $0 | 0 | Jun 5, 2025 |
| Jun 3, 2025 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -3,250 | $71.30 | $232k | 100,723 | Jun 4, 2025 |
| Jun 4, 2025 | INSM INSMED Inc | SOpen-market sale Common Stock10b5-1 | -3,000 | $73.27 | $220k | 97,723 | Jun 4, 2025 |
| May 15, 2025 | INSM INSMED Inc | AGrant or award Common Stock | +5,058 | - | - | 103,973 | May 19, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.