$ACMR: ACM Research, Inc. - Class A Common Stock
2025-12-15 ACMR 2025-12-15 00:01:19 0.00 0.00 -2.48% ACMR 2025-12-15 06:01:13 40.00 39.00 0.45% ACMR 2025-12-15 08:01:14 40.00 38.00 0.45% ACMR 2025-12-15 09:01:16 39.78 39.29 1.95% ACMR 2025-12-15 10:01:17 39.78 39.20 1.33% ACMR 2025-12-15 11:01:11 38.12 38.04 -1.88% ACMR 2025-12-15 12:01:10 37.71 37.65 -2.93% ACMR 2025-12-15 13:01:07 38.07 37.97 -2.05% ACMR 2025-12-15 14:01:17 37.90 37.82 -2.33% ACMR 2025-12-15 15:01:20 38.18 38.14 -1.63% ACMR 2025-12-15 16:01:26 37.83 37.79 -2.53% ACMR 2025-12-15 17:01:18 38.48 37.52 -2.70% ACMR 2025-12-15 18:01:15 38.48 37.68 -2.78% ACMR 2025-12-15 20:01:27 38.48 37.68 -2.60% ACMR 2025-12-15 21:01:23 0.00 0.00 -0.49% 2025-12-16 ACMR 2025-12-16 05:01:16 41.00 35.00 -0.49% ACMR 2025-12-16 06:01:15 37.23 35.00 -1.29% ACMR 2025-12-16 07:01:15 37.60 35.00 -2.42% ACMR 2025-12-16 08:01:31 37.60 37.00 -2.42% ACMR 2025-12-16 09:01:17 37.99 37.00 -2.42% ACMR 2025-12-16 11:01:13 37.53 37.43 -0.64% ACMR 2025-12-16 12:01:08 37.44 37.35 -0.77% ACMR 2025-12-16 13:01:08 37.49 37.43 -0.70% ACMR 2025-12-16 14:01:10 37.10 37.00 -1.83% ACMR 2025-12-16 15:01:11 37.03 36.96 -1.91% ACMR 2025-12-16 16:01:11 37.10 37.04 -1.70% ACMR 2025-12-16 17:01:11 37.98 36.85 -1.49% ACMR 2025-12-16 18:01:10 37.33 37.10 -1.09% ACMR 2025-12-16 19:01:16 37.15 36.85 -1.64% ACMR 2025-12-16 21:01:14 0.00 0.00 -1.64% 2025-12-17 ACMR 2025-12-17 05:01:18 37.99 35.00 -1.64% ACMR 2025-12-17 06:01:24 37.99 37.15 -1.64% ACMR 2025-12-17 08:01:20 37.90 37.15 -1.64% ACMR 2025-12-17 09:01:15 37.99 37.61 1.33% ACMR 2025-12-17 10:01:11 38.04 37.81 2.39% ACMR 2025-12-17 11:01:32 38.56 38.43 3.58% ACMR 2025-12-17 12:01:16 38.53 38.47 3.60% ACMR 2025-12-17 13:01:09 38.28 38.11 2.78% ACMR 2025-12-17 14:01:17 38.54 38.47 3.71% ACMR 2025-12-17 15:01:14 38.00 37.97 2.28% ACMR 2025-12-17 16:01:26 37.35 37.29 0.48% ACMR 2025-12-17 17:01:35 38.10 37.15 0.58% ACMR 2025-12-17 18:01:18 37.60 37.40 0.59% ACMR 2025-12-17 19:01:28 37.98 37.40 0.59% ACMR 2025-12-17 21:01:41 0.00 0.00 0.59% 2025-12-18 ACMR 2025-12-18 06:01:16 39.29 36.72 0.59% ACMR 2025-12-18 07:01:12 38.95 33.57 2.80% ACMR 2025-12-18 07:57:20 8-K Sec report https://www.sec.gov/Archives/edgar/data/1013237/000162828025057794/0001628280-25-057794-index.htm 8-K - FACTSET RESEARCH SYSTEMS INC (0001013237) (Filer) ACMR 2025-12-18 08:01:17 38.49 37.67 2.80% ACMR 2025-12-18 09:01:10 38.72 37.67 2.80% ACMR 2025-12-18 10:01:11 41.79 38.03 2.80% ACMR 2025-12-18 11:01:15 38.73 38.60 3.39% ACMR 2025-12-18 12:01:10 38.42 38.36 2.77% ACMR 2025-12-18 13:01:07 38.35 38.28 2.58% ACMR 2025-12-18 14:01:12 38.22 38.14 2.13% ACMR 2025-12-18 15:01:18 38.14 38.09 2.02% ACMR 2025-12-18 16:01:21 37.81 37.75 1.21% ACMR 2025-12-18 17:01:14 38.04 37.52 1.24% ACMR 2025-12-18 18:01:16 38.04 37.74 1.63% ACMR 2025-12-18 19:01:14 38.04 37.81 1.63% ACMR 2025-12-18 20:01:13 38.04 38.00 1.74% ACMR 2025-12-18 21:01:25 0.00 0.00 1.74% 2025-12-19 ACMR 2025-12-19 05:01:21 40.00 38.00 1.74% ACMR 2025-12-19 06:01:15 40.00 38.10 1.95% ACMR 2025-12-19 08:01:11 40.00 37.57 1.95% ACMR 2025-12-19 09:01:06 39.10 37.57 1.95% ACMR 2025-12-19 10:01:14 38.43 37.57 1.34% ACMR 2025-12-19 11:01:07 40.70 40.42 7.47% ACMR 2025-12-19 12:01:34 39.87 39.81 5.46% ACMR 2025-12-19 13:01:15 39.71 39.63 4.98% ACMR 2025-12-19 14:01:36 39.72 39.65 5.09% ACMR 2025-12-19 15:01:29 39.86 39.78 5.41% ACMR 2025-12-19 16:01:20 39.54 39.50 4.60% ACMR 2025-12-19 17:02:33 40.13 39.79 5.38% ACMR 2025-12-19 18:01:18 40.13 38.07 5.29% ACMR 2025-12-19 19:01:17 40.13 38.07 6.11% ACMR 2025-12-19 21:01:27 0.00 0.00 6.11% 2025-12-22 ACMR 2025-12-22 05:01:18 40.60 39.72 6.11% ACMR 2025-12-22 06:01:20 40.97 39.72 2.80% ACMR 2025-12-22 09:01:15 40.97 40.40 2.59% ACMR 2025-12-22 10:01:11 40.74 40.50 1.75% ACMR 2025-12-22 11:01:10 40.25 40.17 1.16% ACMR 2025-12-22 12:01:14 41.05 41.00 3.33% ACMR 2025-12-22 13:01:15 41.63 41.59 5.03% ACMR 2025-12-22 14:01:30 41.38 41.32 4.13% ACMR 2025-12-22 15:01:18 41.52 41.45 4.60% ACMR 2025-12-22 16:01:25 41.18 41.12 3.65% ACMR 2025-12-22 17:01:20 41.60 40.07 2.75% ACMR 2025-12-22 18:01:24 41.60 40.07 2.62% ACMR 2025-12-22 18:09:13 8-K Sec report https://www.sec.gov/Archives/edgar/data/1013237/000162828025058577/0001628280-25-058577-index.htm 8-K - FACTSET RESEARCH SYSTEMS INC (0001013237) (Filer) ACMR 2025-12-22 19:01:16 41.22 40.56 2.62% ACMR 2025-12-22 20:01:15 41.23 40.42 2.62% ACMR 2025-12-22 21:01:20 0.00 0.00 2.62% 2025-12-23 ACMR 2025-12-23 06:01:08 45.15 37.13 2.62% ACMR 2025-12-23 07:01:13 45.15 40.00 2.62% ACMR 2025-12-23 09:01:22 40.79 40.00 2.62% ACMR 2025-12-23 10:01:21 40.60 40.06 -0.53% ACMR 2025-12-23 11:01:14 39.54 39.46 -3.32% ACMR 2025-12-23 12:01:21 40.01 39.90 -2.14% ACMR 2025-12-23 13:01:11 39.94 39.84 -2.31% ACMR 2025-12-23 14:01:11 39.82 39.79 -2.49% ACMR 2025-12-23 15:01:17 40.04 39.96 -2.11% ACMR 2025-12-23 16:01:18 39.96 39.92 -2.21% ACMR 2025-12-23 17:01:14 40.03 39.60 -2.31% ACMR 2025-12-23 18:01:30 40.03 39.60 -1.91% ACMR 2025-12-23 19:01:10 40.03 39.61 -1.91% ACMR 2025-12-23 21:01:11 0.00 0.00 -1.91% 2025-12-24 ACMR 2025-12-24 05:01:11 0.00 35.00 -1.91% ACMR 2025-12-24 06:01:14 40.69 39.21 0.37% ACMR 2025-12-24 08:01:12 40.99 39.21 0.37% ACMR 2025-12-24 10:01:12 40.48 39.61 0.37% ACMR 2025-12-24 11:01:21 40.23 39.86 0.20% ACMR 2025-12-24 12:01:08 40.32 40.27 0.98% ACMR 2025-12-24 13:01:11 40.07 39.99 0.29% ACMR 2025-12-24 14:01:11 41.20 39.20 0.54% ACMR 2025-12-24 15:01:14 40.49 39.67 0.55% ACMR 2025-12-24 18:01:07 0.00 0.00 0.55% 2025-12-26 ACMR 2025-12-26 05:01:53 40.35 0.00 0.55% ACMR 2025-12-26 06:01:33 40.35 40.11 0.55% ACMR 2025-12-26 07:01:34 40.35 40.11 0.63% ACMR 2025-12-26 08:01:31 40.35 39.60 0.63% ACMR 2025-12-26 09:01:19 40.35 40.11 0.63% ACMR 2025-12-26 11:01:12 40.24 40.07 0.38% ACMR 2025-12-26 12:01:24 40.40 40.31 0.65% ACMR 2025-12-26 13:01:56 40.43 40.40 0.80% ACMR 2025-12-26 14:01:58 40.43 40.36 0.83% ACMR 2025-12-26 15:01:37 40.70 40.64 1.45% ACMR 2025-12-26 16:03:24 40.69 40.67 1.53% ACMR 2025-12-26 17:09:49 40.94 39.68 1.35% ACMR 2025-12-26 18:01:04 40.94 40.54 1.10% ACMR 2025-12-26 21:01:17 0.00 0.00 1.10% ACMR 2025-12-26 22:01:22 40.94 40.54 1.10% 2025-12-29 ACMR 2025-12-29 00:01:21 0.00 0.00 1.10% ACMR 2025-12-29 06:01:07 40.60 39.31 1.10% ACMR 2025-12-29 08:01:22 41.30 37.50 -0.07% ACMR 2025-12-29 09:01:07 40.49 39.61 -0.50% ACMR 2025-12-29 10:01:05 40.29 37.50 -0.50% ACMR 2025-12-29 11:01:04 40.31 40.18 -0.90% ACMR 2025-12-29 12:01:03 39.60 39.50 -2.62% ACMR 2025-12-29 13:01:23 39.78 39.65 -2.24% ACMR 2025-12-29 14:02:11 39.58 39.52 -2.64% ACMR 2025-12-29 15:01:12 39.72 39.68 -2.22% ACMR 2025-12-29 16:01:12 39.91 39.84 -1.77% ACMR 2025-12-29 17:01:12 40.20 39.00 -1.60% ACMR 2025-12-29 18:01:06 39.97 39.53 -2.66% ACMR 2025-12-29 19:01:11 39.97 39.00 -2.66% ACMR 2025-12-29 21:01:10 0.00 0.00 -2.66% 2025-12-30 ACMR 2025-12-30 06:01:03 41.02 40.00 1.94% ACMR 2025-12-30 07:01:10 41.64 40.75 2.44% ACMR 2025-12-30 08:01:10 44.00 41.00 2.68% ACMR 2025-12-30 09:01:10 41.09 40.75 2.56% ACMR 2025-12-30 10:01:08 41.04 40.79 2.09% ACMR 2025-12-30 11:01:08 42.41 42.20 5.91% ACMR 2025-12-30 12:01:04 42.06 41.93 5.12% ACMR 2025-12-30 13:01:06 41.32 41.28 3.27% ACMR 2025-12-30 14:01:09 41.17 41.07 2.98% ACMR 2025-12-30 15:01:09 40.86 40.79 2.12% ACMR 2025-12-30 16:01:15 40.21 40.18 0.54% ACMR 2025-12-30 17:01:09 42.00 39.93 0.59% ACMR 2025-12-30 18:01:09 40.61 39.96 0.60% ACMR 2025-12-30 19:01:09 42.00 39.93 1.35% ACMR 2025-12-30 21:01:11 0.00 0.00 1.35% 2025-12-31 ACMR 2025-12-31 05:01:09 0.00 38.88 1.35% ACMR 2025-12-31 06:01:07 41.99 39.99 1.35% ACMR 2025-12-31 09:01:07 40.88 39.99 1.35% ACMR 2025-12-31 10:01:08 44.11 40.00 0.03% ACMR 2025-12-31 11:01:04 39.79 39.57 -1.30% ACMR 2025-12-31 12:01:06 39.81 39.74 -1.05% ACMR 2025-12-31 13:01:07 39.92 39.84 -0.75% ACMR 2025-12-31 14:01:05 39.67 39.65 -1.33% ACMR 2025-12-31 15:01:07 39.93 39.88 -0.78% ACMR 2025-12-31 16:01:06 39.76 39.72 -1.15% ACMR 2025-12-31 17:01:10 41.00 39.29 -1.88% ACMR 2025-12-31 18:01:09 39.86 39.29 -1.87% ACMR 2025-12-31 19:01:10 39.90 39.45 -1.87% ACMR 2025-12-31 21:01:19 0.00 0.00 -1.87% 2026-01-01 ACMR 2026-01-01 19:01:12 39.90 39.45 -1.87% ACMR 2026-01-01 22:01:19 0.00 0.00 -1.87% 2026-01-02 ACMR 2026-01-02 05:01:04 45.66 40.00 -1.87% ACMR 2026-01-02 06:01:08 40.78 40.00 -1.87% ACMR 2026-01-02 07:01:04 40.78 40.21 -1.87% ACMR 2026-01-02 08:01:05 40.78 40.50 2.61% ACMR 2026-01-02 09:01:03 41.00 40.40 2.99% ACMR 2026-01-02 10:01:04 41.00 40.60 2.69% ACMR 2026-01-02 11:01:04 43.49 43.20 9.78% ACMR 2026-01-02 12:01:08 43.50 43.32 9.70% ACMR 2026-01-02 13:01:17 43.36 43.26 9.63% ACMR 2026-01-02 14:01:14 43.61 43.51 10.22% ACMR 2026-01-02 15:01:12 43.42 43.36 9.78% ACMR 2026-01-02 16:01:10 44.34 44.29 12.11% ACMR 2026-01-02 17:01:12 44.99 43.73 12.31% ACMR 2026-01-02 18:01:17 44.85 43.73 13.69% ACMR 2026-01-02 19:01:13 45.00 44.60 13.71% ACMR 2026-01-02 20:01:16 44.99 44.60 14.07% ACMR 2026-01-02 21:01:22 0.00 0.00 14.07% 2026-01-05 ACMR 2026-01-05 00:01:19 0.00 0.00 13.59% ACMR 2026-01-05 05:01:15 46.32 44.60 13.59% ACMR 2026-01-05 06:01:10 46.00 45.51 1.67% ACMR 2026-01-05 07:01:13 45.97 45.60 2.05% ACMR 2026-01-05 08:01:34 45.69 43.80 1.42% ACMR 2026-01-05 08:30:51 10-Q Sec report https://www.sec.gov/Archives/edgar/data/1013237/000162828026000223/0001628280-26-000223-index.htm 10-Q - FACTSET RESEARCH SYSTEMS INC (0001013237) (Filer) ACMR 2026-01-05 09:01:12 46.00 45.70 2.53% ACMR 2026-01-05 10:01:12 45.91 45.50 1.39% ACMR 2026-01-05 11:01:10 44.58 44.41 -0.99% ACMR 2026-01-05 12:01:10 44.97 44.83 0.13% ACMR 2026-01-05 13:01:17 44.82 44.63 -0.43% ACMR 2026-01-05 14:01:13 44.98 44.94 0.23% ACMR 2026-01-05 15:01:13 44.98 44.90 0.15% ACMR 2026-01-05 16:01:11 44.99 44.88 0.23% ACMR 2026-01-05 17:01:12 46.12 45.03 0.30% ACMR 2026-01-05 18:01:09 46.12 45.05 0.49% ACMR 2026-01-05 19:01:17 46.12 45.05 1.80% ACMR 2026-01-05 20:01:06 46.12 45.05 1.36% 2026-01-06 ACMR 2026-01-06 06:01:12 46.07 41.20 2.21% ACMR 2026-01-06 07:01:10 45.60 45.23 1.20% ACMR 2026-01-06 09:01:09 45.99 45.60 2.14% ACMR 2026-01-06 10:01:09 45.93 45.06 1.54% ACMR 2026-01-06 11:01:07 47.26 47.06 5.10% ACMR 2026-01-06 12:01:03 47.59 47.51 5.64% ACMR 2026-01-06 13:01:05 47.40 47.32 5.26% ACMR 2026-01-06 14:01:07 47.20 47.08 4.86% ACMR 2026-01-06 15:01:07 47.34 47.24 5.10% ACMR 2026-01-06 16:01:09 47.09 46.98 4.48% ACMR 2026-01-06 17:01:08 47.64 46.00 4.23% ACMR 2026-01-06 18:01:14 47.64 46.00 4.36% ACMR 2026-01-06 19:01:10 47.79 46.00 4.36% ACMR 2026-01-06 20:01:14 47.79 46.25 4.36% ACMR 2026-01-06 21:01:12 0.00 0.00 4.36% 2026-01-07 ACMR 2026-01-07 06:01:07 47.03 42.90 0.89% ACMR 2026-01-07 07:01:16 46.53 42.39 -0.71% ACMR 2026-01-07 08:01:05 47.29 45.51 -0.20% ACMR 2026-01-07 09:01:07 46.99 45.63 -0.20% ACMR 2026-01-07 10:01:05 46.50 46.09 -0.89% ACMR 2026-01-07 11:01:04 46.33 46.07 -1.27% ACMR 2026-01-07 12:01:03 47.09 47.02 0.36% ACMR 2026-01-07 13:01:05 47.25 47.15 0.62% ACMR 2026-01-07 14:01:07 47.13 47.05 0.40% ACMR 2026-01-07 15:01:06 47.38 47.34 1.04% ACMR 2026-01-07 16:01:09 47.29 47.23 0.87% ACMR 2026-01-07 17:01:13 47.80 47.51 1.42% ACMR 2026-01-07 18:01:10 47.80 47.20 1.54% ACMR 2026-01-07 19:01:10 47.80 47.20 1.30% ACMR 2026-01-07 21:01:19 0.00 0.00 1.30% 2026-01-08 ACMR 2026-01-08 06:01:04 48.07 46.47 -1.26% ACMR 2026-01-08 07:01:06 48.07 47.01 -1.26% ACMR 2026-01-08 08:01:27 51.77 46.80 -1.26% ACMR 2026-01-08 09:01:05 50.00 47.06 -1.26% ACMR 2026-01-08 10:01:04 47.74 47.06 -1.26% ACMR 2026-01-08 11:01:06 47.13 46.94 -1.36% ACMR 2026-01-08 12:01:03 47.61 47.52 0.00% ACMR 2026-01-08 13:01:08 47.82 47.79 0.45% ACMR 2026-01-08 14:01:10 47.91 47.85 0.55% ACMR 2026-01-08 15:01:11 48.34 48.23 1.54% ACMR 2026-01-08 16:01:13 48.45 48.39 1.77% ACMR 2026-01-08 17:01:11 49.29 48.00 3.58% ACMR 2026-01-08 18:01:12 49.29 49.15 3.38% ACMR 2026-01-08 19:01:15 49.48 49.25 3.55% ACMR 2026-01-08 20:01:11 49.85 49.25 3.49% ACMR 2026-01-08 21:01:15 0.00 0.00 3.49% 2026-01-09 ACMR 2026-01-09 05:00:59 50.00 0.00 3.49% ACMR 2026-01-09 06:00:58 50.00 49.20 0.19% ACMR 2026-01-09 07:00:54 49.50 49.20 0.19% ACMR 2026-01-09 08:00:54 50.00 49.20 0.67% ACMR 2026-01-09 09:00:52 50.00 49.24 0.40% ACMR 2026-01-09 10:00:53 50.00 49.30 1.09% ACMR 2026-01-09 11:00:50 51.25 51.01 4.08% ACMR 2026-01-09 12:00:53 51.95 51.84 5.78% ACMR 2026-01-09 13:00:58 53.18 53.08 8.32% ACMR 2026-01-09 14:00:55 52.55 52.41 6.83% ACMR 2026-01-09 15:00:56 53.33 53.30 8.70% ACMR 2026-01-09 16:00:56 53.50 53.45 9.03% ACMR 2026-01-09 17:00:54 53.52 52.90 8.49% ACMR 2026-01-09 18:00:52 54.00 52.90 8.68% ACMR 2026-01-09 19:00:57 54.00 52.90 9.60% ACMR 2026-01-09 20:00:58 53.90 52.90 9.60% ACMR 2026-01-09 21:00:58 0.00 0.00 9.60% 2026-01-12 ACMR 2026-01-12 05:01:10 0.00 52.50 9.60% ACMR 2026-01-12 06:00:54 52.79 52.00 -0.87% ACMR 2026-01-12 07:00:51 53.00 52.00 -0.83% ACMR 2026-01-12 08:00:56 53.10 52.00 -0.89% ACMR 2026-01-12 09:00:55 53.09 52.06 -0.28% ACMR 2026-01-12 10:00:55 52.99 52.80 -0.83% ACMR 2026-01-12 11:01:01 54.14 53.88 1.20% ACMR 2026-01-12 12:00:56 53.49 53.27 0.35% ACMR 2026-01-12 13:00:56 54.45 54.28 2.48% ACMR 2026-01-12 14:00:54 54.20 54.11 1.95% ACMR 2026-01-12 15:01:03 53.48 53.42 0.51% ACMR 2026-01-12 16:01:04 54.20 54.10 1.89% ACMR 2026-01-12 17:01:00 54.75 52.46 0.30% ACMR 2026-01-12 18:01:05 54.75 52.30 0.28% ACMR 2026-01-12 19:01:01 53.99 53.37 0.88% ACMR 2026-01-12 21:01:01 0.00 0.00 0.30% 2026-01-13 ACMR 2026-01-13 05:00:59 55.00 53.00 0.30% ACMR 2026-01-13 06:01:00 53.59 53.00 0.13% ACMR 2026-01-13 07:01:00 53.60 53.00 0.11% ACMR 2026-01-13 08:00:57 53.24 53.00 -0.13% ACMR 2026-01-13 09:01:00 53.34 53.00 -0.15% ACMR 2026-01-13 10:00:53 53.99 53.49 1.15% ACMR 2026-01-13 11:00:54 49.96 49.81 -6.60%