James L. L. Tullis is Director at Alphatec Holdings, Inc. (ATEC). They have made 44 open-market trades across 5 companies since 2007, most recently 2026-08-31.
CIK 0001230641
11 open-market purchases totalling $3.7M since 2008, against 33 sales. Across 11 scored buys the stock is up 1.9% at ninety days, and 1.7 points behind the S&P over the same stretch.
11 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 45% | 64% | 64% |
| Avg Move | +0.9% | +15.1% | +1.9% |
| Alpha | +2.6% | +13.5% | -1.7% |
| Scored | 11 | 11 | 11 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 56% | 44% | 11% |
| Avg Move | -2.4% | +3.5% | +11.0% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CR | SELL | 2026-08-31 | 2026-09-02 | $205.38 | $82K | -2.5% | +3.8% | — |
| CR | SELL | 2026-08-13 | 2026-08-14 | $225.00 | $138K | -3.6% | -8.4% | — |
| ATEC | SELL | 2023-09-11 | 2023-09-13 | $14.74 | $1.5M | -10.8% | -19.4% | -9.3% |
| ATEC | SELL | 2023-03-08 | 2023-03-09 | $16.12 | $967K | +1.9% | +1.5% | -2.9% |
| ATEC | SELL | 2022-12-16 | 2022-12-20 | $10.59 | $530K | +12.7% | +28.0% | +45.8% |
| ATEC | BUY | 2022-06-15 | 2022-06-15 | $6.76 | $51K | +1.9% | -0.1% | +32.6% |
| ATEC | SELL | 2022-04-07 | 2022-04-11 | $12.99 | $1.8M | -0.1% | -38.8% | -43.9% |
| ATEC | SELL | 2021-12-09 | 2021-12-13 | $11.68 | $876K | +8.1% | +7.2% | -15.2% |
| CR | SELL | 2021-11-24 | 2021-11-29 | $104.71 | $209K | +3.9% | +3.0% | +2.1% |
| XGN | SELL | 2021-08-05 | 2021-08-06 | $10.72 | $73K | +26.0% | +26.0% | +13.4% |
| XGN | SELL | 2021-08-02 | 2021-08-04 | $11.71 | $96K | +7.5% | +20.2% | +3.9% |
| XGN | SELL | 2021-06-25 | 2021-06-29 | $15.28 | $764K | -5.8% | -17.2% | -4.8% |
| ATEC | SELL | 2021-03-09 | 2021-03-11 | $16.24 | $731K | +6.3% | +1.4% | -14.8% |
| CR | SELL | 2021-02-26 | 2021-03-01 | $84.47 | $188K | +6.1% | +8.6% | +10.6% |
| ATEC | SELL | 2021-02-23 | 2021-02-25 | $16.51 | $5.5M | +5.2% | -4.4% | -5.6% |
| XGN | SELL | 2021-02-05 | 2021-02-08 | $17.00 | $51K | -7.3% | +6.5% | -22.2% |
| XGN | SELL · 10b5-1 | 2021-01-15 | 2021-01-20 | $15.52 | $20K | -4.1% | +10.2% | -3.5% |
| XGN | SELL | 2021-01-13 | 2021-01-15 | $15.63 | $90K | +4.2% | +16.5% | +11.5% |
| XGN | SELL | 2020-12-10 | 2020-12-14 | $13.61 | $238K | -4.1% | +13.1% | +60.2% |
| XGN | SELL · 10b5-1 | 2020-11-09 | 2020-11-12 | $16.21 | $14K | -0.2% | -15.6% | +22.1% |
| XGN | SELL | 2020-10-15 | 2020-10-19 | $15.16 | $166K | -4.2% | -1.5% | +5.8% |
| XGN | SELL | 2020-09-11 | 2020-09-14 | $12.40 | $186K | -15.3% | +16.8% | +1.2% |
| XGN | SELL | 2020-08-14 | 2020-08-18 | $16.76 | $444K | +1.8% | -10.0% | +5.7% |
| ATEC | SELL | 2020-06-16 | 2020-06-18 | $5.15 | $196K | -4.1% | +3.3% | +24.5% |
| XGN | SELL | 2020-06-09 | 2020-06-11 | $12.88 | $150K | +4.2% | -8.6% | +7.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Scored | 9 | 9 | 9 |