Company filings profile · CIK 0001828673
HCW Biologics Inc. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for HCW Biologics Inc. (HCWB): 20 filings in the last 90 days vs 30 in the prior 90 (filing-velocity cooling ↓ · 0.67×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Oct 3, 2026. Source-linked, daily-refreshed.
Material 8-K events — HCW Biologics Inc.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 24, 2026 | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Sep 10, 2026 | Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Sep 8, 2026 | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 14, 2026 | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Aug 14, 2026 | Non-Reliance on Prior Financials (restatement) | ↗ |
| Jul 29, 2026 | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Jul 1, 2026 | Other Events | ↗ |
| Jun 30, 2026 | Delisting / Listing-Rule Failure; Financial Statements and Exhibits | ↗ |
| Jun 26, 2026 | Item 3.03; Amendments to Bylaws/Charter; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 16, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 15, 2026 | Item 5.07 | ↗ |
| Jun 1, 2026 | Delisting / Listing-Rule Failure | ↗ |
| May 27, 2026 | Termination of a Material Agreement; Financial Statements and Exhibits | ↗ |
| May 21, 2026 | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| May 14, 2026 | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
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Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Oct 2, 2026 | S-1 | S-1 | ↗ |
| Oct 1, 2026 | DEF 14A | DEF 14A | ↗ |
| Sep 24, 2026 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Sep 10, 2026 | 8-K | Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Sep 9, 2026 | PRER14A | PRER14A | ↗ |
| Sep 8, 2026 | 8-K | Entry into a Material Agreement; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 8, 2026 | PRE 14A | PRE 14A | ↗ |
| Aug 31, 2026 | EFFECT | Item ; Item ; Item | ↗ |
| Aug 28, 2026 | S-1/A | S-1/A | ↗ |
| Aug 20, 2026 | S-1 | S-1 | ↗ |
| Aug 14, 2026 | 10-Q | 10-Q | ↗ |
| Aug 14, 2026 | 8-K | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Aug 14, 2026 | 10-Q/A | 10-Q/A | ↗ |
| Aug 14, 2026 | 8-K | Non-Reliance on Prior Financials (restatement) | ↗ |
| Aug 6, 2026 | D | Item 06b | ↗ |
| Jul 31, 2026 | 4 | 4 | ↗ |
| Jul 31, 2026 | 4 | 4 | ↗ |
| Jul 31, 2026 | 4 | 4 | ↗ |
| Jul 29, 2026 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| Jul 16, 2026 | POS AM | POS AM | ↗ |
| Jul 1, 2026 | 8-K | Other Events | ↗ |
| Jun 30, 2026 | 8-K | Delisting / Listing-Rule Failure; Financial Statements and Exhibits | ↗ |
| Jun 26, 2026 | 8-K | Item 3.03; Amendments to Bylaws/Charter; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 18, 2026 | EFFECT | Item ; Item ; Item | ↗ |
| Jun 18, 2026 | S-1/A | S-1/A | ↗ |
| Jun 16, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 15, 2026 | 8-K | Item 5.07 | ↗ |
| Jun 8, 2026 | D | Item 06b | ↗ |
| Jun 8, 2026 | S-1 | S-1 | ↗ |
| Jun 1, 2026 | 8-K | Delisting / Listing-Rule Failure | ↗ |
| May 27, 2026 | 4 | 4 | ↗ |
| May 27, 2026 | 4 | 4 | ↗ |
| May 27, 2026 | 4 | ↗ | |
| May 27, 2026 | 8-K | Termination of a Material Agreement; Financial Statements and Exhibits | ↗ |
| May 21, 2026 | 8-K | Entry into a Material Agreement; Unregistered Sale of Securities; Regulation FD Disclosure; Other Events; Financial Statements and Exhibits | ↗ |
| May 18, 2026 | POS AM | POS AM | ↗ |
| May 15, 2026 | SCHEDULE 13G/A | ↗ | |
| May 14, 2026 | 10-Q | 10-Q | ↗ |
| May 14, 2026 | 8-K | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| May 13, 2026 | POS AM | POS AM | ↗ |