Timothy A. Springer is Director & 10% Owner at Cartesian Therapeutics, Inc. (RNAC). They have made 37 open-market trades across 5 companies since 2017, most recently 2026-01-02.
CIK 0001055624
37 open-market purchases totalling $309.1M since 2017, never a sale. Across 37 scored buys the stock is up 1.5% at ninety days, and 3.4 points behind the S&P over the same stretch.
37 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 57% | 57% | 51% |
| Avg Move | +2.9% | +4.0% | +1.5% |
| Alpha | +2.3% | +2.6% | -3.4% |
| Scored | 37 | 37 | 37 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TECX | BUY | 2025-04-09 | 2025-04-11 | $16.22 | $4.5M | +27.7% | +18.1% | +23.9% |
| RNAC | BUY | 2025-04-09 | 2025-04-11 | $10.20 | $3.0M | +5.8% | -8.3% | +18.9% |
| TECX | BUY | 2025-04-07 | 2025-04-09 | $17.10 | $17.1M | +11.6% | +13.1% | +18.0% |
| RNAC | BUY | 2025-03-18 | 2025-03-20 | $15.26 | $2.7M | -23.7% | -36.8% | -38.9% |
| TECX | BUY | 2025-02-05 | 2025-02-07 | $51.17 | $47.0M | -22.9% | -46.7% | -47.4% |
| RNAC | BUY | 2025-01-13 | 2025-01-15 | $17.42 | $660K | -0.6% | -2.2% | -40.5% |
| RNAC | BUY | 2024-12-19 | 2024-12-23 | $18.33 | $1.4M | -12.2% | -5.0% | -20.6% |
| RNAC | BUY | 2024-11-14 | 2024-11-18 | $17.07 | $14.7M | -5.1% | -14.8% | -1.7% |
| TECX | BUY | 2024-10-22 | 2024-10-24 | $33.59 | $20.2M | +12.9% | +26.1% | +10.2% |
| RNAC | BUY | 2024-10-02 | 2024-10-04 | $20.67 | $7.5M | -12.1% | -23.2% | -32.0% |
| TECX | BUY | 2024-09-26 | 2024-09-26 | $28.71 | $2.7M | +6.4% | +31.4% | +70.6% |
| RNAC | BUY | 2024-08-12 | 2024-08-14 | $12.72 | $204K | -0.8% | +18.6% | +19.9% |
| RNAC | BUY | 2024-03-18 | 2024-03-20 | $0.60 | $11K | -30.3% | -21.4% | -4.6% |
| RNAC | BUY | 2024-03-14 | 2024-03-18 | $0.55 | $1.0M | -3.2% | -8.2% | +15.7% |
| RNAC | BUY | 2024-01-17 | 2024-03-28 | $0.62 | $11K | -16.3% | +12.8% | +26.9% |
| MORF | BUY | 2023-05-03 | 2023-05-04 | $45.00 | $47.3M | +3.1% | +7.4% | +9.4% |
| SELB | BUY | 2021-12-15 | 2021-12-17 | $2.99 | $1.3M | +3.7% | -20.5% | -51.6% |
| SELB | BUY | 2021-12-09 | 2021-12-13 | $3.06 | $11.9M | +6.6% | -16.4% | -56.1% |
| MORF | BUY | 2021-08-18 | 2021-08-20 | $56.23 | $8.4M | +4.7% | +5.7% | -11.6% |
| SELB | BUY | 2021-05-24 | 2021-05-26 | $3.69 | $8.4M | +10.6% | +8.5% | -5.2% |
| MORF | BUY | 2021-05-24 | 2021-05-26 | $46.25 | $11.7M | +17.8% | +20.7% | +26.0% |
| SELB | BUY | 2021-05-21 | 2021-05-25 | $3.19 | $17.7M | +16.2% | +15.7% | +2.0% |
| MORF | BUY | 2021-05-21 | 2021-05-25 | $45.50 | $21.1M | +18.2% | +26.3% | +28.8% |
| MORF | BUY | 2021-03-05 | 2021-03-08 | $70.00 | $7.0M | -2.4% | -7.9% | -15.4% |
| SELB | BUY | 2020-10-21 | 2020-10-23 | $2.64 | $16.9M | +6.1% | +2.6% | +8.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.