# Compass Therapeutics, Inc.: filings

CMPX · Nasdaq · CIK 1738021 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/cmpx.md) · [Financials](/companies/cmpx/financials.md) · [Filings](/companies/cmpx/filings.md) · [Insiders](/companies/cmpx/insiders.md)

## Reports and events: 112 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 114, 8-K 56, 10-Q 25, 3 23, SCHEDULE 13G/A 12, SC 13G/A 10, SC 13G 9, 10-K 8, CORRESP 8, 424B5 7, UPLOAD 7, DEF 14A 6, DEFA14A 6, EFFECT 6, 424B3 5, 4/A 5, SCHEDULE 13G 5, ARS 4, S-3 4, SC 13D 4, SC 13D/A 4, S-8 3, SCHEDULE 13D/A 3, 144 2, 8-A12B 2, 8-K/A 2, CERT 2, D 2, S-1 2, S-1/A 2, 10-12G 1, DEL AM 1, DRS 1, POS AM 1, RW 1, SC 14F1 1, SC 14F1/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-22 | 12:30 ET | [8-K](/filings/0001171843-26-006162.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-26-006162 |
| 2026-08-06 | 12:00 ET | [10-Q](/filings/0001171843-26-005295.md) | Quarterly report, period 2026-06-30 | 0001171843-26-005295 |
| 2026-08-06 | 11:30 ET | [8-K](/filings/0001171843-26-005292.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-26-005292 |
| 2026-07-01 | 21:00 ET | [8-K](/filings/0001171843-26-004428.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-26-004428 |
| 2026-06-23 | 21:45 ET | [8-K](/filings/0001171843-26-004224.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001171843-26-004224 |
| 2026-06-11 | 20:00 ET | [8-K](/filings/0001171843-26-004068.md) | 5.07 Shareholder vote results | 0001171843-26-004068 |
| 2026-05-05 | 12:01 ET | [10-Q](/filings/0001171843-26-003006.md) | Quarterly report, period 2026-03-31 | 0001171843-26-003006 |
| 2026-05-05 | 11:30 ET | [8-K](/filings/0001171843-26-003005.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-26-003005 |
| 2026-04-29 | 12:08 ET | [DEF 14A](/filings/0001140361-26-017649.md) | Proxy statement, period 2026-06-10 | 0001140361-26-017649 |
| 2026-04-27 | 11:30 ET | [8-K](/filings/0001171843-26-002720.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-26-002720 |
| 2026-03-05 | 12:30 ET | [10-K](/filings/0001171843-26-001337.md) | Annual report, period 2025-12-31 | 0001171843-26-001337 |
| 2026-03-05 | 12:30 ET | [8-K](/filings/0001171843-26-001336.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-26-001336 |
| 2026-01-06 | 13:00 ET | [8-K](/filings/0001171843-26-000083.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-26-000083 |
| 2025-11-05 | 12:30 ET | [10-Q](/filings/0001171843-25-007005.md) | Quarterly report, period 2025-09-30 | 0001171843-25-007005 |
| 2025-11-05 | 12:30 ET | [8-K](/filings/0001171843-25-007004.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-25-007004 |
| 2025-08-18 | 22:35 ET | [SCHEDULE 13D/A](/filings/0000950170-25-109869.md) | Ownership report, active investor, amended | 0000950170-25-109869 |
| 2025-08-15 | 21:28 ET | [SCHEDULE 13D/A](/filings/0000947871-25-000785.md) | Ownership report, active investor, amended | 0000947871-25-000785 |
| 2025-08-13 | 21:05 ET | [8-K](/filings/0001193125-25-179958.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-179958 |
| 2025-08-11 | 11:01 ET | [10-Q](/filings/0001171843-25-005261.md) | Quarterly report, period 2025-06-30 | 0001171843-25-005261 |
| 2025-08-11 | 11:00 ET | [8-K](/filings/0001171843-25-005260.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-25-005260 |
| 2025-06-12 | 20:45 ET | [8-K](/filings/0001171843-25-003868.md) | 5.07 Shareholder vote results | 0001171843-25-003868 |
| 2025-05-08 | 12:01 ET | [10-Q](/filings/0001171843-25-002953.md) | Quarterly report, period 2025-03-31 | 0001171843-25-002953 |
| 2025-05-08 | 12:00 ET | [8-K](/filings/0001171843-25-002952.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-25-002952 |
| 2025-04-29 | 12:30 ET | [DEF 14A](/filings/0001171843-25-002573.md) | Proxy statement, period 2025-06-11 | 0001171843-25-002573 |
| 2025-04-11 | 23:21 ET | [SCHEDULE 13D/A](/filings/0000947871-25-000383.md) | Ownership report, active investor, amended | 0000947871-25-000383 |
| 2025-04-01 | 11:00 ET | [8-K](/filings/0001171843-25-001900.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-25-001900 |
| 2025-02-27 | 13:30 ET | [10-K](/filings/0001171843-25-001106.md) | Annual report, period 2024-12-31 | 0001171843-25-001106 |
| 2025-02-27 | 13:00 ET | [8-K](/filings/0001171843-25-001105.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-25-001105 |
| 2025-01-08 | 13:00 ET | [8-K](/filings/0001171843-25-000116.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001171843-25-000116 |
| 2024-12-10 | 13:00 ET | [8-K](/filings/0001171843-24-006847.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-24-006847 |
| 2024-11-12 | 13:01 ET | [10-Q](/filings/0001171843-24-006248.md) | Quarterly report, period 2024-09-30 | 0001171843-24-006248 |
| 2024-11-12 | 13:01 ET | [8-K](/filings/0001171843-24-006247.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-24-006247 |
| 2024-08-12 | 12:00 ET | [10-Q](/filings/0001171843-24-004670.md) | Quarterly report, period 2024-06-30 | 0001171843-24-004670 |
| 2024-08-12 | 12:00 ET | [8-K](/filings/0001171843-24-004669.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-24-004669 |
| 2024-06-17 | 12:32 ET | [8-K](/filings/0001171843-24-003463.md) | 5.07 Shareholder vote results | 0001171843-24-003463 |
| 2024-05-28 | 20:09 ET | [8-K](/filings/0001171843-24-003129.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-24-003129 |
| 2024-05-13 | 12:01 ET | [10-Q](/filings/0001171843-24-002785.md) | Quarterly report, period 2024-03-31 | 0001171843-24-002785 |
| 2024-05-13 | 12:00 ET | [8-K](/filings/0001171843-24-002784.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-24-002784 |
| 2024-04-29 | 12:00 ET | [DEF 14A](/filings/0001140361-24-022700.md) | Proxy statement, period 2024-06-13 | 0001140361-24-022700 |
| 2024-04-25 | 12:00 ET | [8-K](/filings/0001171843-24-002220.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-24-002220 |
| 2024-03-22 | 20:59 ET | [SC 13D/A](/filings/0000947871-24-000303.md) | Ownership report, active investor, amended | 0000947871-24-000303 |
| 2024-03-21 | 13:00 ET | [10-K](/filings/0001171843-24-001516.md) | Annual report, period 2023-12-31 | 0001171843-24-001516 |
| 2024-03-21 | 13:00 ET | [8-K](/filings/0001171843-24-001515.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-24-001515 |
| 2024-01-09 | 22:30 ET | [8-K](/filings/0001171843-24-000164.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events | 0001171843-24-000164 |
| 2024-01-05 | 13:00 ET | [8-K](/filings/0001171843-24-000082.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001171843-24-000082 |
| 2023-11-09 | 12:30 ET | [10-Q](/filings/0001171843-23-006912.md) | Quarterly report, period 2023-09-30 | 0001171843-23-006912 |
| 2023-11-09 | 12:30 ET | [8-K](/filings/0001171843-23-006911.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-23-006911 |
| 2023-08-03 | 12:01 ET | [10-Q](/filings/0001171843-23-004947.md) | Quarterly report, period 2023-06-30 | 0001171843-23-004947 |
| 2023-08-03 | 12:00 ET | [8-K](/filings/0001171843-23-004946.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001171843-23-004946 |
| 2023-06-15 | 15:15 ET | [8-K](/filings/0001171843-23-003943.md) | 5.07 Shareholder vote results | 0001171843-23-003943 |

Page 1 of 3. [Older](/companies/cmpx/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:07 ET. No prices; not investment advice.