# Abpro Holdings, Inc.: filings

ABPO · OTC · CIK 1893219 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

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

## Reports and events: 107 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 (8-K 69, 4 19, 425 17, 3 16, 10-Q 14, CORRESP 14, DEFA14A 11, UPLOAD 11, NT 10-Q 8, 424B3 7, DEF 14A 6, EFFECT 6, 10-K 5, PRE 14A 5, S-1/A 5, S-4/A 5, S-1 4, SC 13G 4, SC 13G/A 4, NT 10-K 3, 10-K/A 2, 25-NSE 2, SEC STAFF LETTER 2, 424B4 1, 4/A 1, 8-A12B 1, 8-K/A 1, ARS 1, CERT 1, POS AM 1, POS EX 1, S-1MEF 1, S-4 1, S-8 1, SC 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-01 | 17:56 ET | [8-K](/filings/0001213900-26-095822.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001213900-26-095822 |
| 2026-08-25 | 17:23 ET | [8-K](/filings/0001213900-26-093599.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001213900-26-093599 |
| 2026-08-14 | 16:06 ET | [10-Q](/filings/0001213900-26-090028.md) | Quarterly report, period 2026-06-30 | 0001213900-26-090028 |
| 2026-06-04 | 17:12 ET | [8-K](/filings/0001213900-26-065372.md) | 3.01 Delisting notice | 0001213900-26-065372 |
| 2026-05-20 | 17:21 ET | [10-Q](/filings/0001213900-26-059646.md) | Quarterly report, period 2026-03-31 | 0001213900-26-059646 |
| 2026-05-01 | 18:29 ET | [10-K/A](/filings/0001213900-26-050498.md) | Annual report, amended, period 2025-12-31 | 0001213900-26-050498 |
| 2026-04-15 | 17:27 ET | [10-K](/filings/0001213900-26-044166.md) | Annual report, period 2025-12-31 | 0001213900-26-044166 |
| 2026-02-20 | 16:15 ET | [8-K](/filings/0001213900-26-018819.md) | 3.01 Delisting notice | 0001213900-26-018819 |
| 2026-02-11 | 16:15 ET | [8-K](/filings/0001213900-26-014903.md) | 3.01 Delisting notice; 5.02 Departure or appointment of officers or directors | 0001213900-26-014903 |
| 2026-02-03 | 16:15 ET | [8-K](/filings/0001213900-26-011462.md) | 5.02 Departure or appointment of officers or directors | 0001213900-26-011462 |
| 2026-01-23 | 16:16 ET | [8-K](/filings/0001213900-26-007215.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001213900-26-007215 |
| 2026-01-06 | 07:06 ET | [8-K](/filings/0001213900-26-001570.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-26-001570 |
| 2025-12-15 | 07:16 ET | [8-K](/filings/0001213900-25-121446.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-25-121446 |
| 2025-12-09 | 07:08 ET | [8-K](/filings/0001213900-25-119439.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-25-119439 |
| 2025-11-28 | 14:15 ET | [S-1/A](/filings/0001213900-25-116002.md) | Registration statement, amended | 0001213900-25-116002 |
| 2025-11-14 | 16:47 ET | [10-Q](/filings/0001213900-25-110972.md) | Quarterly report, period 2025-09-30 | 0001213900-25-110972 |
| 2025-11-07 | 07:41 ET | [S-1](/filings/0001213900-25-107374.md) | Registration statement | 0001213900-25-107374 |
| 2025-11-04 | 10:45 ET | [8-K/A](/filings/0001213900-25-105733.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-25-105733 |
| 2025-11-04 | 07:00 ET | [8-K](/filings/0001213900-25-105590.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-25-105590 |
| 2025-11-03 | 07:00 ET | [8-K](/filings/0001213900-25-104887.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-25-104887 |
| 2025-10-22 | 17:00 ET | [8-K](/filings/0001213900-25-101285.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001213900-25-101285 |
| 2025-10-17 | 16:15 ET | [8-K](/filings/0001213900-25-099970.md) | 3.01 Delisting notice | 0001213900-25-099970 |
| 2025-10-14 | 07:03 ET | [8-K](/filings/0001213900-25-098341.md) | 5.07 Shareholder vote results | 0001213900-25-098341 |
| 2025-10-03 | 16:15 ET | [8-K](/filings/0001213900-25-096096.md) | 3.01 Delisting notice | 0001213900-25-096096 |
| 2025-10-02 | 16:15 ET | [8-K](/filings/0001213900-25-095408.md) | 5.02 Departure or appointment of officers or directors | 0001213900-25-095408 |
| 2025-09-08 | 16:18 ET | [DEF 14A](/filings/0001213900-25-085529.md) | Proxy statement, period 2025-09-18 | 0001213900-25-085529 |
| 2025-08-13 | 16:16 ET | [10-Q](/filings/0001213900-25-075691.md) | Quarterly report, period 2025-06-30 | 0001213900-25-075691 |
| 2025-07-24 | 16:15 ET | [8-K](/filings/0001213900-25-067345.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001213900-25-067345 |
| 2025-06-17 | 16:15 ET | [8-K](/filings/0001213900-25-055188.md) | 7.01 Regulation FD disclosure | 0001213900-25-055188 |
| 2025-06-06 | 16:16 ET | [S-1/A](/filings/0001213900-25-052118.md) | Registration statement, amended | 0001213900-25-052118 |
| 2025-05-22 | 18:38 ET | [S-1](/filings/0001213900-25-046533.md) | Registration statement | 0001213900-25-046533 |
| 2025-05-15 | 16:49 ET | [10-Q](/filings/0001213900-25-044318.md) | Quarterly report, period 2025-03-31 | 0001213900-25-044318 |
| 2025-04-29 | 16:25 ET | [DEF 14A](/filings/0001213900-25-036819.md) | Proxy statement, period 2025-05-20 | 0001213900-25-036819 |
| 2025-04-28 | 06:30 ET | [8-K](/filings/0001213900-25-035735.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-25-035735 |
| 2025-04-24 | 16:15 ET | [8-K](/filings/0001213900-25-035075.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001213900-25-035075 |
| 2025-04-16 | 16:10 ET | [8-K](/filings/0001213900-25-032584.md) | 3.01 Delisting notice | 0001213900-25-032584 |
| 2025-04-15 | 16:30 ET | [10-K](/filings/0001213900-25-032133.md) | Annual report, period 2024-12-31 | 0001213900-25-032133 |
| 2025-04-15 | 16:10 ET | [8-K](/filings/0001213900-25-032083.md) | 4.02 Non-reliance on financial statements | 0001213900-25-032083 |
| 2025-04-08 | 16:15 ET | [8-K](/filings/0001213900-25-029934.md) | 5.07 Shareholder vote results | 0001213900-25-029934 |
| 2025-04-08 | 16:10 ET | [8-K](/filings/0001213900-25-029927.md) | 3.01 Delisting notice | 0001213900-25-029927 |
| 2025-03-26 | 16:10 ET | [8-K](/filings/0001013762-25-002718.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001013762-25-002718 |
| 2025-03-24 | 16:10 ET | [DEF 14A](/filings/0001013762-25-001596.md) | Proxy statement, period 2025-04-08 | 0001013762-25-001596 |
| 2025-03-07 | 17:00 ET | [8-K](/filings/0001213900-25-021806.md) | 5.02 Departure or appointment of officers or directors | 0001213900-25-021806 |
| 2025-03-06 | 16:15 ET | [8-K](/filings/0001213900-25-021184.md) | 3.03 Change to security holders’ rights; 9.01 Financial statements and exhibits | 0001213900-25-021184 |
| 2025-02-21 | 16:16 ET | [8-K](/filings/0001213900-25-016110.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-25-016110 |
| 2025-02-07 | 17:18 ET | [S-1/A](/filings/0001213900-25-011397.md) | Registration statement, amended | 0001213900-25-011397 |
| 2024-12-23 | 16:27 ET | [S-1](/filings/0001213900-24-111919.md) | Registration statement | 0001213900-24-111919 |
| 2024-12-12 | 16:18 ET | [8-K](/filings/0001213900-24-108370.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-24-108370 |
| 2024-12-10 | 20:10 ET | [8-K](/filings/0001213900-24-107083.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001213900-24-107083 |
| 2024-11-29 | 17:57 ET | [8-K](/filings/0001213900-24-103612.md) | 5.02 Departure or appointment of officers or directors | 0001213900-24-103612 |

Page 1 of 3. [Older](/companies/abpo/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:16 ET. No prices; not investment advice.