Insider · CIK 0001612451
Quentin S. Blackford
Files at ATEC (Alphatec Holdings, Inc.), IRTC (iRhythm Technologies, Inc.), FNA (Paragon 28, Inc.). First filing Nov 5, 2024, latest Mar 4, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
IRTC: iRhythm Technologies, 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 |
|---|---|---|---|---|---|
| 48Moderate | IRTCsell iRhythm Technologies, Inc. | $886k 8,145 shares | -4% | - | |
| 50Moderate | IRTCsell iRhythm Technologies, Inc. | $2.5M 22,252 shares | -9% | - | |
| 50Moderate | IRTCsell iRhythm Technologies, Inc. | $1.2M 16,145 shares | -9% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 11, 2025 | ATEC Alphatec Holdings, Inc. | AGrant or award Common Stock | +15,131 | $0.00 | $0 | 568,369 | Jun 13, 2025 |
| May 30, 2025 | IRTC iRhythm Technologies, Inc. | AGrant or award Common Stock | +297 | $71.46 | $21k | 209,038 | Jun 3, 2025 |
| May 5, 2025 | ATEC Alphatec Holdings, Inc. | GGift Common Stock | -21,000 | $0.00 | $0 | 553,238 | May 6, 2025 |
| Apr 21, 2025 | FNA Paragon 28, Inc. | DDisposition to issuer Common Stock | -50,554 | - | - | 0 | Apr 21, 2025 |
| Mar 3, 2025 | IRTC iRhythm Technologies, Inc. | SOpen-market sale Common Stock | -8,145 | $108.77 | $886k | 208,741 | Mar 4, 2025 |
| Feb 25, 2025 | IRTC iRhythm Technologies, Inc. | AGrant or award Common Stock | +40,610 | $0.00 | $0 | 200,539 | Feb 27, 2025 |
| Feb 26, 2025 | IRTC iRhythm Technologies, Inc. | AGrant or award Common Stock | +38,599 | $0.00 | $0 | 239,138 | Feb 27, 2025 |
| Feb 26, 2025 | IRTC iRhythm Technologies, Inc. | SOpen-market sale Common Stock | -22,252 | $112.13 | $2.5M | 216,886 | Feb 27, 2025 |
| Nov 21, 2024 | ATEC Alphatec Holdings, Inc. | GGift Common Stock | -15,114 | $0.00 | $0 | 574,238 | Dec 5, 2024 |
| May 31, 2024 | IRTC iRhythm Technologies, Inc. | AGrant or award Common Stock | +280 | $74.98 | $21k | 176,074 | Nov 5, 2024 |
| Nov 4, 2024 | IRTC iRhythm Technologies, Inc. | SOpen-market sale Common Stock | -16,145 | $77.41 | $1.2M | 159,929 | Nov 5, 2024 |
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.