1 unchanged sentence
Insider Adoption or Termination of Trading Arrangements
−Removed: During the fiscal quarter ended June 30, 2025, none of our directors or officers informed us of the adoption , modification or termination of a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Regulation S-K, Item 408.
+Added: During the fiscal quarter ended September 30, 2025, none of our directors or officers informed us of the adoption , modification or termination of a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Regulation S-K, Item 408.
The exhibits filed or furnished as part of this Quarterly Report on Form 10-Q are set forth on the Exhibit Index, which Exhibit Index is incorporated herein by reference.
9 unchanged sentences
Form of Securities Purchase Agreement, dated May 13, 2025, between the Company and Purchaser
−Removed: Form of Pre-Funded Warrant Purchase Agreement, dated May 13, 2025, between Company and Holder
−Removed: Form of Common Stock Warrant Purchase Agreement, dated May 13, 2025, between Company and Holder
+Added: Form of Pre-Funded Warrant Purchase Warrant
+Added: Form of Common Stock Purchase Warrant
Form of Common Stock Warrant, original issue date November 20, 2024, between Company and Holder, as amended
6 unchanged sentences
Exclusive License Agreement 12-month Suspension, dated May 29, 2025, between the Company and Wugen, Inc.
+Added: First Amendment to the Equity Purchase Agreement, dated August 14, 2025, between the Company and Square Gate Master Fund – Series 4.
Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
4 unchanged sentences
Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
−Removed: The following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, formatted in Inline XBRL (eXtensible Business Reporting Language):
−Removed: (i) the Condensed Balance Sheets as of December 31, 2024 and June 30, 2025 (unaudited);
−Removed: (ii) the Condensed Statements of Operations for the three and six months ended June 30, 2024 (unaudited) and June 30, 2025 (unaudited);
−Removed: (iv) the Condensed Statements of Changes in Stockholders’ Equity for the three and six months ended June 30, 2024 (unaudited) and June 30, 2025 (unaudited);
−Removed: (v) the Condensed Statements of Cash Flows for the six months ended June 30, 2024 (unaudited) and June 30, 2025 (unaudited);
+Added: The following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL (eXtensible Business Reporting Language):
+Added: (i) the Condensed Balance Sheets as of December 31, 2024 and September 30, 2025 (unaudited);
+Added: (ii) the Condensed Statements of Operations for the three and nine months ended September 30, 2024 (unaudited) and September 30, 2025 (unaudited);
+Added: (iv) the Condensed Statements of Changes in Stockholders’ Equity for the three and nine months ended September 30, 2024 (unaudited) and September 30, 2025 (unaudited);
+Added: (v) the Condensed Statements of Cash Flows for the nine months ended September 30, 2024 (unaudited) and September 30, 2025 (unaudited);
and (vi) the notes to the Condensed Financial Statements (unaudited).
3 unchanged sentences
HCW Biologics Inc.
−Removed: August 18, 2025
+Added: November 14, 2025
Founder and Chief Executive Officer
(Principal Executive Officer)
−Removed: August 18, 2025
+Added: November 14, 2025
/s/ Rebecca Byam
2 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.