SIGA Technologies, Inc. (SIGA)
NASDAQ: SIGA · Real-Time Price · USD
4.590
+0.030 (0.66%)
At close: Apr 28, 2026, 4:00 PM EDT
4.620
+0.030 (0.65%)
After-hours: Apr 28, 2026, 7:57 PM EDT
SIGA Technologies Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 4.56 | 4.61 | 4.54 | 4.59 | 4.59 | 0.66% | 275,908 |
| Apr 27, 2026 | 4.55 | 4.66 | 4.54 | 4.56 | 4.56 | -0.22% | 419,577 |
| Apr 24, 2026 | 4.53 | 4.67 | 4.51 | 4.57 | 4.57 | 0.88% | 378,906 |
| Apr 23, 2026 | 4.51 | 4.55 | 4.45 | 4.53 | 4.53 | 0.44% | 361,790 |
| Apr 22, 2026 | 4.44 | 4.54 | 4.44 | 4.51 | 4.51 | 1.58% | 446,476 |
| Apr 21, 2026 | 4.57 | 4.59 | 4.43 | 4.44 | 4.44 | -2.84% | 389,980 |
| Apr 20, 2026 | 4.72 | 4.72 | 4.57 | 4.57 | 4.57 | -3.99% | 361,687 |
| Apr 17, 2026 | 4.74 | 4.80 | 4.69 | 4.76 | 4.76 | 2.59% | 573,113 |
| Apr 16, 2026 | 4.68 | 4.69 | 4.56 | 4.64 | 4.64 | -1.28% | 474,098 |
| Apr 15, 2026 | 4.57 | 4.70 | 4.52 | 4.70 | 4.70 | 2.62% | 566,310 |
| Apr 14, 2026 | 4.40 | 4.62 | 4.36 | 4.58 | 4.58 | 2.69% | 409,154 |
| Apr 13, 2026 | 4.33 | 4.46 | 4.29 | 4.46 | 4.46 | 2.29% | 805,734 |
| Apr 10, 2026 | 4.47 | 4.47 | 4.33 | 4.36 | 4.36 | -0.91% | 751,870 |
| Apr 9, 2026 | 4.56 | 4.60 | 4.35 | 4.40 | 4.40 | -3.93% | 685,762 |
| Apr 8, 2026 | 4.65 | 4.69 | 4.56 | 4.58 | 4.58 | 1.10% | 1,165,255 |
| Apr 7, 2026 | 4.60 | 4.63 | 4.47 | 4.53 | 4.53 | -12.88% | 973,457 |
| Apr 6, 2026 | 5.25 | 5.31 | 5.07 | 5.20 | 4.60 | -0.76% | 1,025,313 |
| Apr 2, 2026 | 5.10 | 5.25 | 5.10 | 5.24 | 4.64 | 1.35% | 872,456 |
| Apr 1, 2026 | 5.40 | 5.45 | 5.08 | 5.17 | 4.57 | -3.36% | 1,751,124 |
| Mar 31, 2026 | 5.28 | 5.36 | 5.20 | 5.35 | 4.73 | 1.71% | 986,350 |
| Mar 30, 2026 | 5.30 | 5.32 | 5.20 | 5.26 | 4.65 | -0.75% | 623,017 |
| Mar 27, 2026 | 5.33 | 5.44 | 5.19 | 5.30 | 4.69 | 6.85% | 1,341,564 |
| Mar 26, 2026 | 4.93 | 5.04 | 4.89 | 4.96 | 4.39 | -0.60% | 705,315 |
| Mar 25, 2026 | 5.08 | 5.10 | 4.97 | 4.99 | 4.41 | -0.20% | 446,650 |
| Mar 24, 2026 | 4.92 | 5.01 | 4.92 | 5.00 | 4.42 | 0.20% | 813,787 |
| Mar 23, 2026 | 5.06 | 5.06 | 4.86 | 4.99 | 4.41 | 1.01% | 793,100 |
| Mar 20, 2026 | 5.07 | 5.08 | 4.87 | 4.94 | 4.37 | -2.76% | 1,105,044 |
| Mar 19, 2026 | 4.91 | 5.11 | 4.83 | 5.08 | 4.49 | 4.53% | 906,128 |
| Mar 18, 2026 | 5.01 | 5.01 | 4.81 | 4.86 | 4.30 | -3.19% | 1,073,031 |
| Mar 17, 2026 | 5.44 | 5.47 | 5.01 | 5.02 | 4.44 | -8.06% | 1,006,838 |
| Mar 16, 2026 | 5.34 | 5.49 | 5.32 | 5.46 | 4.83 | 3.80% | 616,601 |
| Mar 13, 2026 | 5.46 | 5.52 | 5.12 | 5.26 | 4.65 | -3.84% | 783,284 |
| Mar 12, 2026 | 5.37 | 5.58 | 5.37 | 5.47 | 4.84 | -0.09% | 700,338 |
| Mar 11, 2026 | 5.65 | 5.79 | 5.11 | 5.48 | 4.84 | -3.10% | 766,575 |
| Mar 10, 2026 | 5.60 | 5.67 | 5.44 | 5.65 | 5.00 | 0.89% | 933,688 |
| Mar 9, 2026 | 5.71 | 5.71 | 5.45 | 5.60 | 4.95 | -3.45% | 1,096,570 |
| Mar 6, 2026 | 6.14 | 6.16 | 5.78 | 5.80 | 5.13 | -7.05% | 778,611 |
| Mar 5, 2026 | 6.27 | 6.50 | 6.23 | 6.24 | 5.52 | -2.04% | 734,894 |
| Mar 4, 2026 | 6.28 | 6.37 | 6.22 | 6.37 | 5.64 | 2.41% | 701,903 |
| Mar 3, 2026 | 6.41 | 6.41 | 6.16 | 6.22 | 5.50 | -5.04% | 509,817 |
| Mar 2, 2026 | 6.40 | 6.65 | 6.33 | 6.55 | 5.79 | 1.24% | 464,563 |
| Feb 27, 2026 | 6.55 | 6.58 | 6.37 | 6.47 | 5.72 | -2.56% | 1,317,060 |
| Feb 26, 2026 | 6.85 | 6.85 | 6.59 | 6.64 | 5.87 | -2.35% | 348,614 |
| Feb 25, 2026 | 6.81 | 6.86 | 6.71 | 6.80 | 6.02 | 0.59% | 325,368 |
| Feb 24, 2026 | 6.73 | 6.91 | 6.73 | 6.76 | 5.98 | 0.75% | 311,321 |
| Feb 23, 2026 | 6.75 | 6.86 | 6.56 | 6.71 | 5.94 | -0.59% | 300,312 |
| Feb 20, 2026 | 6.74 | 6.83 | 6.64 | 6.75 | 5.97 | -0.30% | 1,058,752 |
| Feb 19, 2026 | 6.67 | 6.78 | 6.54 | 6.77 | 5.99 | 1.35% | 418,895 |
| Feb 18, 2026 | 6.75 | 6.84 | 6.67 | 6.68 | 5.91 | -1.47% | 312,360 |
| Feb 17, 2026 | 6.79 | 6.90 | 6.68 | 6.78 | 6.00 | -0.15% | 252,633 |
| Feb 13, 2026 | 6.68 | 7.02 | 6.68 | 6.79 | 6.01 | 1.65% | 314,019 |
| Feb 12, 2026 | 6.67 | 6.69 | 6.56 | 6.68 | 5.91 | 0.60% | 312,074 |
| Feb 11, 2026 | 6.70 | 6.76 | 6.51 | 6.64 | 5.87 | -0.75% | 502,288 |
| Feb 10, 2026 | 6.54 | 6.84 | 6.54 | 6.69 | 5.92 | 2.45% | 353,852 |
| Feb 9, 2026 | 6.69 | 6.69 | 6.47 | 6.53 | 5.78 | -2.54% | 237,063 |
| Feb 6, 2026 | 6.55 | 6.77 | 6.55 | 6.70 | 5.93 | 2.92% | 395,862 |
| Feb 5, 2026 | 6.63 | 6.77 | 6.51 | 6.51 | 5.76 | -3.27% | 327,531 |
| Feb 4, 2026 | 7.00 | 7.03 | 6.61 | 6.73 | 5.95 | -3.17% | 405,704 |
| Feb 3, 2026 | 6.95 | 7.11 | 6.87 | 6.95 | 6.15 | - | 356,574 |
| Feb 2, 2026 | 6.68 | 7.00 | 6.63 | 6.95 | 6.15 | 3.73% | 529,852 |
| Jan 30, 2026 | 6.77 | 6.80 | 6.60 | 6.70 | 5.93 | -1.62% | 313,082 |
| Jan 29, 2026 | 6.70 | 6.83 | 6.59 | 6.81 | 6.02 | 2.10% | 279,397 |
| Jan 28, 2026 | 6.85 | 6.85 | 6.66 | 6.67 | 5.90 | -2.20% | 234,281 |
| Jan 27, 2026 | 6.76 | 6.87 | 6.70 | 6.82 | 6.03 | 0.44% | 322,812 |
| Jan 26, 2026 | 6.65 | 6.84 | 6.65 | 6.79 | 6.01 | 2.26% | 388,006 |
| Jan 23, 2026 | 6.72 | 6.76 | 6.62 | 6.64 | 5.87 | -1.34% | 274,334 |
| Jan 22, 2026 | 6.68 | 6.81 | 6.63 | 6.73 | 5.95 | 1.05% | 351,448 |
| Jan 21, 2026 | 6.54 | 6.67 | 6.42 | 6.66 | 5.89 | 1.83% | 234,037 |
| Jan 20, 2026 | 6.50 | 6.61 | 6.41 | 6.54 | 5.79 | -0.61% | 433,399 |
| Jan 16, 2026 | 6.61 | 6.77 | 6.57 | 6.58 | 5.82 | -0.45% | 313,260 |
| Jan 15, 2026 | 6.72 | 6.72 | 6.54 | 6.61 | 5.85 | -1.64% | 329,084 |
| Jan 14, 2026 | 6.61 | 6.77 | 6.52 | 6.72 | 5.94 | 1.82% | 249,991 |
| Jan 13, 2026 | 6.60 | 6.63 | 6.45 | 6.60 | 5.84 | 0.15% | 253,515 |
| Jan 12, 2026 | 6.65 | 6.79 | 6.56 | 6.59 | 5.83 | -0.30% | 450,510 |
| Jan 9, 2026 | 6.78 | 6.82 | 6.60 | 6.61 | 5.85 | -2.36% | 280,975 |
| Jan 8, 2026 | 6.80 | 6.85 | 6.67 | 6.77 | 5.99 | -1.17% | 304,425 |
| Jan 7, 2026 | 6.75 | 6.88 | 6.68 | 6.85 | 6.06 | 2.85% | 454,936 |
| Jan 6, 2026 | 6.39 | 6.71 | 6.28 | 6.66 | 5.89 | 4.23% | 463,718 |
| Jan 5, 2026 | 6.29 | 6.51 | 6.28 | 6.39 | 5.65 | 1.91% | 539,994 |
| Jan 2, 2026 | 6.17 | 6.33 | 6.11 | 6.27 | 5.55 | 2.62% | 388,123 |
| Dec 31, 2025 | 6.16 | 6.21 | 6.08 | 6.11 | 5.41 | -0.97% | 312,755 |
| Dec 30, 2025 | 6.25 | 6.30 | 6.14 | 6.17 | 5.46 | -1.28% | 314,831 |
| Dec 29, 2025 | 6.25 | 6.33 | 6.21 | 6.25 | 5.53 | -0.32% | 271,331 |
| Dec 26, 2025 | 6.27 | 6.33 | 6.21 | 6.27 | 5.55 | - | 318,507 |
| Dec 24, 2025 | 6.21 | 6.32 | 6.20 | 6.27 | 5.55 | 0.64% | 182,528 |
| Dec 23, 2025 | 6.23 | 6.34 | 6.21 | 6.23 | 5.51 | -0.32% | 461,926 |
| Dec 22, 2025 | 6.26 | 6.34 | 6.20 | 6.25 | 5.53 | -0.32% | 295,852 |
| Dec 19, 2025 | 6.28 | 6.41 | 6.25 | 6.27 | 5.55 | -0.63% | 529,905 |
| Dec 18, 2025 | 6.36 | 6.45 | 6.29 | 6.31 | 5.58 | -1.10% | 344,290 |
| Dec 17, 2025 | 6.29 | 6.39 | 6.27 | 6.38 | 5.64 | 1.59% | 219,639 |
| Dec 16, 2025 | 6.28 | 6.33 | 6.22 | 6.28 | 5.56 | -0.63% | 274,417 |
| Dec 15, 2025 | 6.47 | 6.54 | 6.28 | 6.32 | 5.59 | -2.17% | 348,537 |
| Dec 12, 2025 | 6.51 | 6.52 | 6.39 | 6.46 | 5.71 | -0.92% | 296,176 |
| Dec 11, 2025 | 6.30 | 6.55 | 6.25 | 6.52 | 5.77 | 4.32% | 462,103 |
| Dec 10, 2025 | 6.25 | 6.36 | 6.20 | 6.25 | 5.53 | - | 640,350 |
| Dec 9, 2025 | 6.15 | 6.37 | 6.15 | 6.25 | 5.53 | 1.63% | 364,472 |
| Dec 8, 2025 | 6.24 | 6.29 | 6.13 | 6.15 | 5.44 | -0.81% | 252,992 |
| Dec 5, 2025 | 6.34 | 6.35 | 6.17 | 6.20 | 5.48 | -2.21% | 236,540 |
| Dec 4, 2025 | 6.29 | 6.35 | 6.15 | 6.34 | 5.61 | 1.60% | 304,732 |
| Dec 3, 2025 | 5.93 | 6.26 | 5.93 | 6.24 | 5.52 | 5.23% | 322,389 |