$ALTR: Altair Engineering Inc. - Class A Common Stock
2024-11-21 ALTR 2024-11-21 13:00:56 104.40 104.37 0.02% ALTR 2024-11-21 14:00:52 104.53 104.49 0.13% ALTR 2024-11-21 15:00:59 104.46 104.42 0.06% ALTR 2024-11-21 16:01:00 104.54 104.51 0.14% ALTR 2024-11-21 17:01:00 104.46 104.36 0.00% ALTR 2024-11-21 18:01:00 104.77 104.11 -0.02% ALTR 2024-11-21 19:01:01 110.00 104.11 -0.02% 2024-11-22 ALTR 2024-11-22 06:01:03 109.00 103.50 1.57% ALTR 2024-11-22 08:01:02 109.00 104.30 1.57% ALTR 2024-11-22 09:01:00 109.00 104.30 0.00% ALTR 2024-11-22 11:00:58 104.51 104.48 0.12% ALTR 2024-11-22 12:00:54 104.59 104.55 0.23% ALTR 2024-11-22 13:01:01 105.06 105.01 0.65% ALTR 2024-11-22 14:00:59 105.05 105.03 0.65% ALTR 2024-11-22 15:00:59 105.10 105.08 0.71% ALTR 2024-11-22 16:01:01 105.00 104.95 0.61% ALTR 2024-11-22 17:01:07 105.19 105.18 0.82% ALTR 2024-11-22 18:01:01 107.00 104.90 0.81% ALTR 2024-11-22 19:01:01 107.00 104.96 0.81% ALTR 2024-11-22 20:01:04 107.00 104.87 0.81% ALTR 2024-11-22 21:01:06 105.92 104.90 0.81% ALTR 2024-11-22 22:01:13 107.00 104.87 0.81% 2024-11-25 ALTR 2024-11-25 00:01:21 0.00 0.00 0.81% ALTR 2024-11-25 06:01:06 109.00 103.50 0.81% ALTR 2024-11-25 07:01:08 109.00 103.91 0.81% ALTR 2024-11-25 08:01:04 109.00 104.32 0.11% ALTR 2024-11-25 09:01:00 109.00 104.84 0.00% ALTR 2024-11-25 11:00:58 105.26 105.17 0.00% ALTR 2024-11-25 13:01:04 105.34 105.29 0.11% ALTR 2024-11-25 14:01:06 105.43 105.39 0.21% ALTR 2024-11-25 15:01:06 105.52 105.48 0.29% ALTR 2024-11-25 16:01:02 105.46 105.43 0.25% ALTR 2024-11-25 17:00:59 105.77 105.76 0.55% ALTR 2024-11-25 18:00:58 110.00 105.18 0.64% ALTR 2024-11-25 19:00:55 106.00 105.37 0.64% ALTR 2024-11-25 20:00:50 110.00 105.18 0.64% ALTR 2024-11-25 21:00:50 110.00 106.59 0.64% ALTR 2024-11-25 22:01:18 110.00 105.18 0.64% 2024-11-26 ALTR 2024-11-26 06:01:01 120.00 104.01 -0.55% ALTR 2024-11-26 07:01:04 120.00 104.57 -0.55% ALTR 2024-11-26 08:01:01 107.99 104.57 1.54% ALTR 2024-11-26 09:01:04 110.00 104.89 0.92% ALTR 2024-11-26 10:00:58 106.25 104.89 0.92% ALTR 2024-11-26 11:01:05 106.17 106.00 0.10% ALTR 2024-11-26 12:00:59 105.85 105.80 -0.03% ALTR 2024-11-26 13:00:54 105.82 105.74 -0.09% ALTR 2024-11-26 14:00:57 105.81 105.75 -0.09% ALTR 2024-11-26 15:00:56 105.70 105.66 -0.18% ALTR 2024-11-26 16:00:57 105.74 105.69 -0.15% ALTR 2024-11-26 17:00:58 105.49 105.45 -0.38% ALTR 2024-11-26 18:00:58 106.30 104.04 -0.44% ALTR 2024-11-26 20:00:58 106.30 104.03 -0.44% 2024-11-27 ALTR 2024-11-27 06:00:58 110.00 104.00 -0.44% ALTR 2024-11-27 07:01:00 108.00 104.00 1.61% ALTR 2024-11-27 09:01:02 108.00 104.15 0.00% ALTR 2024-11-27 10:00:53 108.00 104.05 0.00% ALTR 2024-11-27 11:00:55 105.55 105.41 0.13% ALTR 2024-11-27 12:01:06 105.60 105.52 0.15% ALTR 2024-11-27 13:01:03 105.62 105.59 0.18% ALTR 2024-11-27 14:01:15 105.48 105.44 0.08% ALTR 2024-11-27 15:00:56 105.50 105.45 0.05% ALTR 2024-11-27 16:01:01 105.54 105.49 0.10% ALTR 2024-11-27 17:01:00 105.44 105.43 0.04% ALTR 2024-11-27 18:00:59 105.95 104.86 -0.46% ALTR 2024-11-27 19:00:55 110.00 104.05 -0.46% ALTR 2024-11-27 21:01:07 110.00 104.51 1.64% ALTR 2024-11-27 22:01:15 110.00 104.11 1.64% 2024-11-28 ALTR 2024-11-28 22:01:03 0.00 0.00 1.64% 2024-11-29 ALTR 2024-11-29 06:01:02 107.00 104.15 -0.46% ALTR 2024-11-29 07:01:09 107.00 104.15 -0.24% ALTR 2024-11-29 09:00:55 107.00 105.01 -0.14% ALTR 2024-11-29 10:01:01 107.00 104.15 -0.14% ALTR 2024-11-29 11:01:05 105.73 105.70 0.29% ALTR 2024-11-29 12:00:55 105.72 105.70 0.27% ALTR 2024-11-29 13:00:55 105.70 105.67 0.26% ALTR 2024-11-29 14:00:56 105.70 105.68 0.26% ALTR 2024-11-29 15:00:52 113.10 104.15 0.18% ALTR 2024-11-29 16:01:00 113.10 105.01 0.18% ALTR 2024-11-29 19:00:57 0.00 0.00 0.18% 2024-12-02 ALTR 2024-12-02 06:01:05 107.00 104.15 0.18% ALTR 2024-12-02 08:01:00 107.00 104.37 -0.40% ALTR 2024-12-02 09:00:57 107.00 104.51 0.00% ALTR 2024-12-02 11:01:05 105.78 105.74 0.13% ALTR 2024-12-02 12:01:05 105.93 105.85 0.23% ALTR 2024-12-02 13:00:57 105.85 105.80 0.19% ALTR 2024-12-02 14:01:01 105.80 105.76 0.18% ALTR 2024-12-02 15:00:56 106.00 105.96 0.36% ALTR 2024-12-02 16:01:01 106.00 105.98 0.36% ALTR 2024-12-02 17:00:55 105.84 105.81 0.20% ALTR 2024-12-02 18:00:59 107.87 104.15 0.21% ALTR 2024-12-02 19:01:00 113.10 104.15 0.21% 2024-12-03 ALTR 2024-12-03 06:01:02 169.32 104.15 0.21% ALTR 2024-12-03 07:00:56 169.32 104.15 -0.70% ALTR 2024-12-03 08:01:01 169.32 104.15 0.47% ALTR 2024-12-03 09:00:58 113.10 106.07 0.46% ALTR 2024-12-03 10:01:00 106.20 105.01 0.24% ALTR 2024-12-03 11:00:55 105.74 105.69 -0.12% ALTR 2024-12-03 12:01:00 105.70 105.67 -0.12% ALTR 2024-12-03 13:00:55 105.55 105.52 -0.28% ALTR 2024-12-03 14:00:57 105.50 105.46 -0.35% ALTR 2024-12-03 15:00:57 105.65 105.64 -0.17% ALTR 2024-12-03 16:01:02 105.61 105.56 -0.26% ALTR 2024-12-03 17:01:01 105.19 105.18 -0.61% ALTR 2024-12-03 18:01:05 105.37 105.01 -0.60% 2024-12-04 ALTR 2024-12-04 06:00:57 109.00 104.15 -0.60% ALTR 2024-12-04 07:00:54 109.00 104.51 0.53% ALTR 2024-12-04 08:00:57 105.76 104.51 0.53% ALTR 2024-12-04 09:00:54 105.85 104.39 0.43% ALTR 2024-12-04 10:00:56 105.85 105.25 0.43% ALTR 2024-12-04 11:01:01 105.59 105.51 0.25% ALTR 2024-12-04 12:01:02 105.49 105.41 0.17% ALTR 2024-12-04 13:01:01 105.60 105.55 0.26% ALTR 2024-12-04 14:01:00 105.72 105.68 0.38% ALTR 2024-12-04 15:00:56 105.74 105.72 0.42% ALTR 2024-12-04 17:00:57 105.82 105.80 0.48% ALTR 2024-12-04 18:00:58 106.00 105.21 0.66% ALTR 2024-12-04 19:00:57 106.00 105.01 0.66% 2024-12-05 ALTR 2024-12-05 06:00:59 168.23 104.80 -0.57% ALTR 2024-12-05 08:01:01 105.80 105.31 -0.17% ALTR 2024-12-05 09:00:57 105.80 105.31 0.00% ALTR 2024-12-05 10:00:59 105.80 105.60 0.00% ALTR 2024-12-05 11:00:57 105.62 105.58 -0.21% ALTR 2024-12-05 12:00:58 105.63 105.58 -0.20% ALTR 2024-12-05 13:01:28 105.63 105.59 -0.20% ALTR 2024-12-05 14:00:57 105.52 105.50 -0.29% ALTR 2024-12-05 15:01:04 105.59 105.56 -0.24% ALTR 2024-12-05 16:00:59 105.68 105.65 -0.13% ALTR 2024-12-05 17:00:59 105.69 105.67 -0.12% ALTR 2024-12-05 18:01:01 106.00 105.01 -0.07% 2024-12-06 ALTR 2024-12-06 06:00:56 168.12 104.80 -0.56% ALTR 2024-12-06 08:01:03 168.12 105.02 -0.56% ALTR 2024-12-06 09:00:59 113.10 105.15 -0.50% ALTR 2024-12-06 10:01:01 111.00 105.15 -0.42% ALTR 2024-12-06 11:00:58 105.78 105.70 0.01% ALTR 2024-12-06 12:00:56 105.79 105.73 0.04% ALTR 2024-12-06 13:01:00 105.76 105.72 0.01% ALTR 2024-12-06 14:00:55 105.64 105.59 -0.11% ALTR 2024-12-06 15:00:56 105.63 105.60 -0.13% ALTR 2024-12-06 16:01:05 105.80 105.77 0.06% ALTR 2024-12-06 17:01:02 106.12 106.11 0.35% ALTR 2024-12-06 18:01:06 108.22 105.01 0.41% ALTR 2024-12-06 19:00:57 106.65 105.56 0.41% ALTR 2024-12-06 21:01:09 106.61 105.52 0.41% ALTR 2024-12-06 22:01:29 106.65 105.56 0.41% 2024-12-09 ALTR 2024-12-09 00:01:25 0.00 0.00 0.41% ALTR 2024-12-09 06:01:03 108.95 105.51 2.11% ALTR 2024-12-09 07:00:59 108.95 107.29 2.11% ALTR 2024-12-09 08:01:30 106.66 105.57 1.06% ALTR 2024-12-09 09:01:00 106.68 106.12 0.00% ALTR 2024-12-09 10:01:00 107.29 106.12 0.00% ALTR 2024-12-09 12:01:00 105.91 105.88 -0.26% ALTR 2024-12-09 13:00:55 106.39 106.30 0.15% ALTR 2024-12-09 14:01:05 106.35 106.28 0.14% ALTR 2024-12-09 15:01:04 106.42 106.35 0.16% ALTR 2024-12-09 16:01:07 106.37 106.34 0.18% ALTR 2024-12-09 17:01:01 106.81 106.80 0.61% ALTR 2024-12-09 18:01:03 108.90 106.15 0.62% ALTR 2024-12-09 19:01:07 107.14 106.28 0.62% ALTR 2024-12-09 20:01:06 107.09 106.23 0.62% 2024-12-10 ALTR 2024-12-10 06:00:53 124.00 104.80 0.62% ALTR 2024-12-10 07:01:00 108.00 106.11 0.93% ALTR 2024-12-10 08:00:53 107.46 106.37 0.93% ALTR 2024-12-10 09:01:02 107.45 106.36 0.00% ALTR 2024-12-10 10:01:02 107.27 106.80 -0.46% ALTR 2024-12-10 11:01:02 106.62 106.53 -0.27% ALTR 2024-12-10 12:01:03 106.19 106.17 -0.60% ALTR 2024-12-10 13:01:04 106.25 106.10 -0.68% ALTR 2024-12-10 14:00:58 106.13 106.10 -0.68% ALTR 2024-12-10 15:00:59 106.13 106.10 -0.69% ALTR 2024-12-10 16:01:05 106.10 106.05 -0.73% ALTR 2024-12-10 17:01:04 106.18 106.13 -0.61% ALTR 2024-12-10 19:00:59 106.79 105.71 -0.65% ALTR 2024-12-10 20:01:04 106.78 105.70 -0.65% ALTR 2024-12-10 21:01:01 107.09 106.23 0.00% ALTR 2024-12-10 22:01:16 0.00 0.00 -0.65% 2024-12-11 ALTR 2024-12-11 06:01:14 106.49 104.80 1.69% ALTR 2024-12-11 07:00:59 108.95 105.51 1.67% ALTR 2024-12-11 09:01:02 108.95 105.56 0.96% ALTR 2024-12-11 10:01:05 108.95 105.54 0.96% ALTR 2024-12-11 11:00:57 106.35 106.24 0.18% ALTR 2024-12-11 12:00:59 106.17 106.14 0.00% ALTR 2024-12-11 13:00:59 106.05 105.97 -0.16% ALTR 2024-12-11 14:01:00 105.97 105.90 -0.19% ALTR 2024-12-11 15:00:55 105.96 105.89 -0.25% ALTR 2024-12-11 16:01:00 105.95 105.93 -0.21% ALTR 2024-12-11 17:00:58 105.80 105.79 -0.34% ALTR 2024-12-11 17:30:11 8-K Sec report https://www.sec.gov/Archives/edgar/data/1766368/000155837024016155/0001558370-24-016155-index.htm 8-K - Mayville Engineering Company, Inc. (0001766368) (Filer) ALTR 2024-12-11 18:00:56 107.84 105.51 -0.34% ALTR 2024-12-11 19:01:00 108.95 105.51 -0.34% 2024-12-12 ALTR 2024-12-12 06:03:47 109.00 104.80 1.13% ALTR 2024-12-12 07:00:54 109.00 104.80 0.93% ALTR 2024-12-12 08:01:05 109.00 104.80 1.12% ALTR 2024-12-12 09:01:11 109.00 104.85 0.00% ALTR 2024-12-12 10:00:56 109.00 104.80 0.00% ALTR 2024-12-12 11:01:01 106.05 105.95 0.19% ALTR 2024-12-12 12:00:54 106.00 105.95 0.19% ALTR 2024-12-12 13:00:58 106.10 106.05 0.24% ALTR 2024-12-12 14:01:03 106.25 106.15 0.36% ALTR 2024-12-12 15:01:01 106.32 106.28 0.47% ALTR 2024-12-12 16:00:59 106.27 106.25 0.44% ALTR 2024-12-12 17:00:52 106.16 106.15 0.34% ALTR 2024-12-12 18:01:09 113.10 105.80 0.33% ALTR 2024-12-12 20:01:06 108.20 105.80 0.95% ALTR 2024-12-12 21:00:59 108.20 105.80 0.00% ALTR 2024-12-12 22:01:22 0.00 0.00 0.00% 2024-12-13 ALTR 2024-12-13 06:01:10 106.41 105.80 0.01% ALTR 2024-12-13 07:00:57 109.00 105.80 0.93% ALTR 2024-12-13 08:00:56 109.00 105.80 0.47% ALTR 2024-12-13 09:01:02 106.50 105.80 -0.23% ALTR 2024-12-13 11:00:59 106.25 106.18 0.09% ALTR 2024-12-13 12:01:00 106.13 106.09 -0.06% ALTR 2024-12-13 13:00:56 106.14 106.07 -0.08% ALTR 2024-12-13 14:00:57 106.09 106.06 -0.08% ALTR 2024-12-13 15:01:00 106.10 106.06 -0.05% ALTR 2024-12-13 16:01:01 106.19 106.14 0.02% ALTR 2024-12-13 17:00:54 106.73 106.69 0.54% ALTR 2024-12-13 18:00:55 106.97 106.03 0.47% ALTR 2024-12-13 19:00:55 106.97 106.07 0.47% ALTR 2024-12-13 21:00:55 106.97 106.02 0.47% ALTR 2024-12-13 22:01:17 106.97 106.07 0.47% 2024-12-16 ALTR 2024-12-16 00:01:30 0.00 0.00 0.47% ALTR 2024-12-16 06:01:02 109.00 105.80 -0.60% ALTR 2024-12-16 07:01:00 109.00 105.80 -0.55% ALTR 2024-12-16 08:00:54 107.39 106.31 -0.55% ALTR 2024-12-16 09:00:57 109.00 105.80 0.00% ALTR 2024-12-16 11:01:11 106.58 106.25 -0.23% ALTR 2024-12-16 12:00:55 106.73 106.69 0.06% ALTR 2024-12-16 13:00:54 106.53 106.45 -0.14% ALTR 2024-12-16 14:01:01 106.58 106.48 -0.11% ALTR 2024-12-16 15:00:57 106.53 106.49 -0.14% ALTR 2024-12-16 16:01:05 106.84 106.83 0.17% ALTR 2024-12-16 17:01:08 106.73 106.72 0.07% ALTR 2024-12-16 18:01:12 108.84 105.80 0.22% ALTR 2024-12-16 19:00:51 108.95 105.80 0.22% 2024-12-17 ALTR 2024-12-17 06:01:30 169.78 105.80 0.22% ALTR 2024-12-17 07:04:34 169.78 105.80 -0.19% ALTR 2024-12-17 08:00:55 169.78 105.80 -0.31% ALTR 2024-12-17 09:01:13 112.00 105.81 0.00% ALTR 2024-12-17 11:00:57 106.88 106.57 -0.02% ALTR 2024-12-17 16:00:52 106.95 106.91 0.14% ALTR 2024-12-17 17:00:54 106.86 106.82 0.06% ALTR 2024-12-17 18:00:50 107.20 106.78 0.07% ALTR 2024-12-17 19:00:53 113.10 106.78 0.07% ALTR 2024-12-17 21:00:57 113.10 106.76 0.07% ALTR 2024-12-17 22:00:58 113.10 106.78 0.07% 2024-12-18 ALTR 2024-12-18 06:01:04 169.89 105.80 -0.49% ALTR 2024-12-18 08:02:27 170.96 105.80 -0.49% ALTR 2024-12-18 09:00:57 113.10 106.00 -0.41% ALTR 2024-12-18 10:01:02 113.10 106.00 -0.32% ALTR 2024-12-18 11:00:56 106.93 106.80 0.02% ALTR 2024-12-18 12:00:54 107.00 106.95 0.13% ALTR 2024-12-18 13:00:47 106.90 106.84 0.00% ALTR 2024-12-18 14:00:51 106.78 106.73 -0.09% ALTR 2024-12-18 15:00:59 106.70 106.59 -0.20% ALTR 2024-12-18 16:01:08 106.46 106.35 -0.44% ALTR 2024-12-18 17:01:05 105.90 105.84 -0.97% ALTR 2024-12-18 18:00:54 106.99 106.50 -0.09% ALTR 2024-12-18 19:00:58 113.10 106.27 1.54% ALTR 2024-12-18 20:00:58 108.50 106.27 1.54% 2024-12-19 ALTR 2024-12-19 06:00:59 108.49 105.61 1.54% ALTR 2024-12-19 07:01:18 108.49 105.41 1.54% ALTR 2024-12-19 09:01:04 106.99 106.00 1.23% ALTR 2024-12-19 10:00:59 107.99 106.21 1.23% ALTR 2024-12-19 11:00:57 107.32 107.25 1.49% ALTR 2024-12-19 12:00:52 107.51 107.38 1.63% ALTR 2024-12-19 13:00:59 107.64 107.60 1.85% ALTR 2024-12-19 14:00:57 108.20 108.07 2.28% ALTR 2024-12-19 15:00:56 108.24 108.17 2.35% ALTR 2024-12-19 16:00:50 108.02 108.00 2.19% ALTR 2024-12-19 17:00:58 108.05 108.00 2.20% ALTR 2024-12-19 18:00:56 107.81 107.76 2.03% ALTR 2024-12-19 21:00:57 107.81 107.66 1.99% ALTR 2024-12-19 22:00:59 107.81 107.76 2.03% 2024-12-20 ALTR 2024-12-20 06:00:54 108.49 106.51 -0.71% ALTR 2024-12-20 09:01:11 107.42 107.01 -0.62% ALTR 2024-12-20 11:00:58 108.18 108.10 0.48% ALTR 2024-12-20 12:01:36 108.47 108.38 0.68% ALTR 2024-12-20 13:01:12 108.69 108.63 0.94% ALTR 2024-12-20 14:00:48 108.56 108.49 0.79% ALTR 2024-12-20 15:00:57 108.65 108.62 0.92% ALTR 2024-12-20 16:00:59 108.95 108.89 1.17% ALTR 2024-12-20 17:00:54 109.00 108.99 1.33% ALTR 2024-12-20 18:00:55 109.07 108.92 1.24%