Director David W. J. McGirr made two open market sales of Rhythm Pharmaceuticals ($RYTM) shares in the last year, totaling $4.3 million, with the most recent on June 3, 2025; these rank 2,162nd among insiders in our database of 11,678 individuals. He also sold Insmed ($INSM) shares twice for $452 thousand, latest on June 4, 2025, ranking 6,692nd. Average insider sales total $8.6 million over 6.4 transactions. No open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 9, 2026 | INSMED Inc | $INSM | MCGIRR DAVID W J | Director | G | Common Stock | 53400 | $0.00 | 97,723.0000 | 213,273,469 | 120.48% | 0.03% |
| Feb. 9, 2026 | INSMED Inc | $INSM | MCGIRR DAVID W J | Director | G | Common Stock | 53400 | $0.00 | 97,723.0000 | 213,273,469 | 35.34% | 0.03% |
| June 24, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | A | Stock Option (right to buy) | 7037 | $0.00 | 7,037.0000 | 63,059,165 | 9999.99% | 0.01% |
| June 24, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | A | Restricted Stock Units | 4712 | $0.00 | 4,712.0000 | 63,059,165 | 9999.99% | 0.01% |
| June 18, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | M | Restricted Stock Units | 4000 | $0.00 | 0.0000 | 63,059,165 | 100.00% | 0.01% |
| June 18, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | M | Common Stock | 4000 | $0.00 | 7,000.0000 | 63,059,165 | 133.33% | 0.01% |
| June 9, 2025 | X4 Pharmaceuticals, Inc | $XFOR | MCGIRR DAVID W J | Director | A | Common Stock | 1500 | $0.00 | 4,722.0000 | 201,062,211 | 46.55% | 0.00% |
| June 3, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | S | Common Stock | 55558 | $65.15 | 12,873.0000 | 63,059,165 | 81.19% | 0.09% |
| June 3, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | S | Common Stock | 9873 | $65.64 | 3,000.0000 | 63,059,165 | 76.70% | 0.02% |
| June 3, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | M | Stock Option (Right to Buy) | 65431 | $0.00 | 0.0000 | 63,059,165 | 100.00% | 0.10% |
| June 3, 2025 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | M | Common Stock | 65431 | $4.59 | 68,431.0000 | 63,059,165 | 2181.03% | 0.10% |
| June 3, 2025 | INSMED Inc | $INSM | MCGIRR DAVID W J | Director | S | Common Stock | 3250 | $71.30 | 100,723.0000 | 180,999,350 | 3.13% | 0.00% |
| June 4, 2025 | INSMED Inc | $INSM | MCGIRR DAVID W J | Director | S | Common Stock | 3000 | $73.27 | 97,723.0000 | 180,999,350 | 2.98% | 0.00% |
| May 15, 2025 | INSMED Inc | $INSM | MCGIRR DAVID W J | Director | A | Common Stock | 5058 | $0.00 | 103,973.0000 | 180,999,350 | 5.11% | 0.00% |
| June 21, 2024 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | M | Common Stock | 3000 | $0.00 | 3,000.0000 | 60,143,558 | 9999.99% | 0.00% |
| June 21, 2024 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | M | Restricted Stock Units | 3000 | $0.00 | 0.0000 | 60,143,558 | 100.00% | 0.00% |
| June 18, 2024 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | A | Stock Option (right to buy) | 14000 | $0.00 | 14,000.0000 | 60,143,558 | 9999.99% | 0.02% |
| June 18, 2024 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | A | Restricted Stock Units | 4000 | $0.00 | 4,000.0000 | 60,143,558 | 9999.99% | 0.01% |
| June 10, 2024 | X4 Pharmaceuticals, Inc | $XFOR | MCGIRR DAVID W J | Director | A | Common Stock | 45000 | $0.00 | 96,667.0000 | 177,812,480 | 87.10% | 0.03% |
| May 13, 2024 | INSMED Inc | $INSM | MCGIRR DAVID W J | Director | A | Common Stock | 13162 | $0.00 | 98,915.0000 | 0 | 15.35% | 0.00% |
| June 21, 2023 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | A | Restricted Stock Units | 3000 | $0.00 | 3,000.0000 | 56,708,975 | 9999.99% | 0.01% |
| June 21, 2023 | RHYTHM PHARMACEUTICALS, INC. | $RYTM | MCGIRR DAVID W J | Director | A | Stock Option (right to buy) | 14000 | $0.00 | 14,000.0000 | 56,708,975 | 9999.99% | 0.02% |
| June 13, 2023 | X4 Pharmaceuticals, Inc | $XFOR | MCGIRR DAVID W J | Director | A | Common Stock | 45000 | $0.00 | 51,667.0000 | 63,525,845 | 674.97% | 0.07% |