| BCAB | 
          BioAtla, Inc. | 
          Aug 31, 2025 | 
          1 | 
          -$2.89K | 
          4 | 
          Sep 2, 2025 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          May 31, 2025 | 
          1 | 
          -$2.6K | 
          4 | 
          Jun 3, 2025 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Mar 12, 2025 | 
          1 | 
          $0 | 
          4 | 
          Mar 13, 2025 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Feb 16, 2025 | 
          1 | 
          -$14.2K | 
          4 | 
          Feb 24, 2025 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Feb 16, 2024 | 
          1 | 
          $0 | 
          4 | 
          Feb 20, 2024 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Dec 20, 2023 | 
          1 | 
          $107K | 
          4 | 
          Dec 20, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Oct 31, 2023 | 
          1 | 
          -$4.25K | 
          4 | 
          Nov 2, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Sep 30, 2023 | 
          1 | 
          -$4.91K | 
          4 | 
          Oct 2, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Aug 31, 2023 | 
          1 | 
          -$7.25K | 
          4 | 
          Sep 1, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jul 31, 2023 | 
          1 | 
          -$8.64K | 
          4 | 
          Aug 1, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jun 30, 2023 | 
          1 | 
          -$8.66K | 
          4 | 
          Jul 3, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          May 31, 2023 | 
          1 | 
          -$9.1K | 
          4 | 
          Jun 1, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Apr 30, 2023 | 
          1 | 
          -$9.73K | 
          4 | 
          May 2, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Mar 31, 2023 | 
          1 | 
          -$7.74K | 
          4 | 
          Apr 3, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Mar 29, 2023 | 
          1 | 
          $101K | 
          4 | 
          Mar 30, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Feb 10, 2023 | 
          2 | 
          -$8.35K | 
          4 | 
          Mar 1, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jan 31, 2023 | 
          1 | 
          -$13.3K | 
          4 | 
          Feb 2, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Dec 31, 2022 | 
          1 | 
          -$38.5K | 
          4 | 
          Jan 3, 2023 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Nov 30, 2022 | 
          1 | 
          -$51.4K | 
          4 | 
          Dec 1, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Oct 31, 2022 | 
          1 | 
          -$23.8K | 
          4 | 
          Nov 1, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Sep 30, 2022 | 
          1 | 
          -$22.2K | 
          4 | 
          Oct 4, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Aug 31, 2022 | 
          1 | 
          -$25.2K | 
          4 | 
          Sep 1, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Aug 12, 2022 | 
          1 | 
          $207K | 
          4 | 
          Aug 15, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jul 31, 2022 | 
          1 | 
          -$9.82K | 
          4 | 
          Aug 1, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jun 30, 2022 | 
          1 | 
          -$8.23K | 
          4 | 
          Jul 1, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jun 21, 2022 | 
          2 | 
          $198K | 
          4 | 
          Jun 23, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Apr 30, 2022 | 
          1 | 
          -$10.1K | 
          4 | 
          May 6, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Mar 31, 2022 | 
          1 | 
          -$14.4K | 
          4 | 
          Apr 4, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Feb 28, 2022 | 
          1 | 
          -$18.7K | 
          4 | 
          Mar 4, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Feb 22, 2022 | 
          1 | 
          $0 | 
          4 | 
          Feb 24, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jan 31, 2022 | 
          1 | 
          -$32.3K | 
          4 | 
          Feb 2, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Dec 31, 2021 | 
          1 | 
          -$91.6K | 
          4 | 
          Jan 5, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Nov 30, 2021 | 
          8 | 
          -$1.12M | 
          4 | 
          Dec 7, 2021 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Nov 29, 2021 | 
          1 | 
          -$369K | 
          4 | 
          Dec 6, 2021 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Nov 22, 2021 | 
          6 | 
          -$1.46M | 
          4 | 
          Nov 30, 2021 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Aug 24, 2021 | 
          3 | 
          -$49.1K | 
          4 | 
          Aug 26, 2021 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jul 7, 2021 | 
          2 | 
          -$6.96K | 
          4 | 
          Jun 3, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jun 17, 2021 | 
          4 | 
          -$2.91M | 
          4 | 
          Jun 22, 2021 | 
          Chief Executive Officer, Director, 10%+ Owner | 
        
        
          | BCAB | 
          BioAtla, Inc. | 
          Jun 14, 2021 | 
          0 | 
          $0 | 
          4/A | 
          Jun 3, 2022 | 
          Chief Executive Officer, Director, 10%+ Owner |