X4 Pharmaceuticals, Inc. (XFOR)
NASDAQ: XFOR · Real-Time Price · USD
4.310
+0.170 (4.11%)
At close: May 29, 2026, 4:00 PM EDT
4.400
+0.090 (2.09%)
After-hours: May 29, 2026, 5:22 PM EDT
X4 Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | 4.12 | 4.36 | 4.05 | 4.31 | 4.31 | 4.11% | 877,423 |
| May 28, 2026 | 4.01 | 4.18 | 3.99 | 4.14 | 4.14 | 2.73% | 296,336 |
| May 27, 2026 | 3.98 | 4.16 | 3.98 | 4.03 | 4.03 | 0.75% | 213,385 |
| May 26, 2026 | 4.07 | 4.15 | 3.97 | 4.00 | 4.00 | -0.99% | 287,673 |
| May 22, 2026 | 4.05 | 4.20 | 4.00 | 4.04 | 4.04 | - | 177,818 |
| May 21, 2026 | 3.71 | 4.07 | 3.71 | 4.04 | 4.04 | 7.16% | 254,693 |
| May 20, 2026 | 3.65 | 3.85 | 3.58 | 3.77 | 3.77 | 3.57% | 271,658 |
| May 19, 2026 | 3.67 | 3.68 | 3.56 | 3.64 | 3.64 | -1.09% | 446,911 |
| May 18, 2026 | 3.99 | 3.99 | 3.58 | 3.68 | 3.68 | -6.60% | 493,599 |
| May 15, 2026 | 3.97 | 4.06 | 3.86 | 3.94 | 3.94 | -1.50% | 263,889 |
| May 14, 2026 | 4.20 | 4.21 | 3.97 | 4.00 | 4.00 | -5.44% | 264,582 |
| May 13, 2026 | 4.32 | 4.37 | 4.21 | 4.23 | 4.23 | -2.53% | 245,393 |
| May 12, 2026 | 4.48 | 4.50 | 4.20 | 4.34 | 4.34 | -3.56% | 401,007 |
| May 11, 2026 | 4.37 | 4.60 | 4.37 | 4.50 | 4.50 | 1.58% | 449,869 |
| May 8, 2026 | 4.35 | 4.56 | 4.30 | 4.43 | 4.43 | 3.26% | 427,931 |
| May 7, 2026 | 4.22 | 4.38 | 4.19 | 4.29 | 4.29 | -2.05% | 329,911 |
| May 6, 2026 | 4.21 | 4.50 | 4.13 | 4.38 | 4.38 | 4.29% | 651,689 |
| May 5, 2026 | 4.23 | 4.33 | 4.11 | 4.20 | 4.20 | -0.24% | 278,145 |
| May 4, 2026 | 4.15 | 4.31 | 4.13 | 4.21 | 4.21 | 0.48% | 305,700 |
| May 1, 2026 | 4.05 | 4.24 | 4.05 | 4.19 | 4.19 | 2.95% | 246,343 |
| Apr 30, 2026 | 4.13 | 4.16 | 4.00 | 4.07 | 4.07 | -0.73% | 287,472 |
| Apr 29, 2026 | 4.20 | 4.21 | 3.97 | 4.10 | 4.10 | -0.49% | 327,008 |
| Apr 28, 2026 | 4.16 | 4.28 | 4.03 | 4.12 | 4.12 | -2.14% | 244,664 |
| Apr 27, 2026 | 4.08 | 4.33 | 4.08 | 4.21 | 4.21 | 2.43% | 369,854 |
| Apr 24, 2026 | 4.20 | 4.28 | 4.04 | 4.11 | 4.11 | -3.97% | 527,042 |
| Apr 23, 2026 | 4.40 | 4.66 | 4.24 | 4.28 | 4.28 | -3.17% | 635,203 |
| Apr 22, 2026 | 4.20 | 4.45 | 4.12 | 4.42 | 4.42 | 6.00% | 681,065 |
| Apr 21, 2026 | 4.23 | 4.26 | 4.12 | 4.17 | 4.17 | -0.48% | 232,469 |
| Apr 20, 2026 | 4.23 | 4.31 | 4.15 | 4.19 | 4.19 | -2.33% | 215,561 |
| Apr 17, 2026 | 4.19 | 4.38 | 4.19 | 4.29 | 4.29 | 3.62% | 301,247 |
| Apr 16, 2026 | 4.30 | 4.35 | 4.06 | 4.14 | 4.14 | -4.39% | 332,173 |
| Apr 15, 2026 | 4.18 | 4.35 | 4.18 | 4.33 | 4.33 | 3.10% | 436,705 |
| Apr 14, 2026 | 4.14 | 4.34 | 4.14 | 4.20 | 4.20 | 1.69% | 227,151 |
| Apr 13, 2026 | 4.10 | 4.23 | 4.05 | 4.13 | 4.13 | 0.73% | 228,931 |
| Apr 10, 2026 | 4.06 | 4.13 | 3.99 | 4.10 | 4.10 | 0.74% | 235,122 |
| Apr 9, 2026 | 4.02 | 4.16 | 3.99 | 4.07 | 4.07 | 0.49% | 418,756 |
| Apr 8, 2026 | 3.85 | 4.13 | 3.79 | 4.05 | 4.05 | 8.58% | 1,073,810 |
| Apr 7, 2026 | 4.01 | 4.07 | 3.70 | 3.73 | 3.73 | -8.35% | 686,955 |
| Apr 6, 2026 | 4.24 | 4.34 | 4.07 | 4.07 | 4.07 | -4.01% | 231,992 |
| Apr 2, 2026 | 4.23 | 4.44 | 4.17 | 4.24 | 4.24 | -2.53% | 206,099 |
| Apr 1, 2026 | 4.13 | 4.47 | 4.13 | 4.35 | 4.35 | 5.33% | 446,622 |
| Mar 31, 2026 | 3.97 | 4.24 | 3.97 | 4.13 | 4.13 | 3.51% | 375,778 |
| Mar 30, 2026 | 3.98 | 4.27 | 3.89 | 3.99 | 3.99 | -1.24% | 358,556 |
| Mar 27, 2026 | 4.31 | 4.35 | 4.03 | 4.04 | 4.04 | -6.26% | 320,161 |
| Mar 26, 2026 | 4.08 | 4.51 | 3.99 | 4.31 | 4.31 | 5.38% | 655,078 |
| Mar 25, 2026 | 3.85 | 4.17 | 3.85 | 4.09 | 4.09 | 7.07% | 402,518 |
| Mar 24, 2026 | 4.07 | 4.07 | 3.81 | 3.82 | 3.82 | -6.14% | 284,849 |
| Mar 23, 2026 | 4.34 | 4.36 | 4.00 | 4.07 | 4.07 | -4.91% | 361,899 |
| Mar 20, 2026 | 4.14 | 4.50 | 4.10 | 4.28 | 4.28 | 2.64% | 684,979 |
| Mar 19, 2026 | 4.01 | 4.18 | 3.92 | 4.17 | 4.17 | 2.96% | 260,409 |