Insider · CIK 0001557290
Stuart A Arbuckle
cooofficerdirector
Files at VRTX (VERTEX PHARMACEUTICALS INC / MA), RYTM (RHYTHM PHARMACEUTICALS, INC.). First filing -, latest -.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold
Signals
This insider’s open-market buys and sells, scored.
No scored open-market trades yet.
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | FTax withholding Common Stock | -37,243 | $450.23 | $17M | 63,368 | Jul 2, 2025 |
| 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 |
| May 13, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | AGrant or award Common Stock | +37,622 | $0.00 | $0 | 100,611 | May 15, 2025 |
| Feb 26, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | FTax withholding Common Stock | -7,071 | $479.61 | $3.4M | 62,935 | Feb 28, 2025 |
| Feb 24, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | FTax withholding Common Stock | -4,716 | $483.28 | $2.3M | 70,006 | Feb 26, 2025 |
| Feb 14, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | FTax withholding Common Stock | -2,724 | $463.46 | $1.3M | 74,722 | Feb 19, 2025 |
| Feb 12, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | AGrant or award Common Stock | +7,903 | $0.00 | $0 | 77,446 | Feb 14, 2025 |
| Feb 10, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | FTax withholding Common Stock | -3,220 | $467.98 | $1.5M | 69,543 | Feb 12, 2025 |
| Feb 4, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | AGrant or award Common Stock | +14,624 | $0.00 | $0 | 64,315 | Feb 6, 2025 |
| Feb 4, 2025 | VRTX VERTEX PHARMACEUTICALS INC / MA | AGrant or award Common Stock | +8,448 | $0.00 | $0 | 72,763 | Feb 6, 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.