Company: HCWB
Filing Date: 2025-04-28
Form Type: DRS
Source: 0000950123-25-003769
Chunk: 52

Company: HCW Biologics Inc.
Filing Date: 2025-04-28
Form: DRS
Chunk 52
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 sell and distribute any products for which we obtain marketing approval. Restrictions under applicable federal and state healthcare laws and regulations that may be applicable to our business include the following:

| • |     | the federal Anti-Kickback Statute prohibits, among other things, persons and entities from knowingly and                                                                                                                                                
 willfully soliciting, offering, receiving or providing remuneration, directly or indirectly, in cash or in kind, to induce or reward, or in return for, either the referral of an individual for, or the purchase, order or recommendation of, any good 
 or service, for which payment may be made under a federal healthcare program such as Medicare and Medicaid;                                                                                                                                             |

| • |     | the federal civil false claims laws, including the False Claims Act, which can be enforced by civil whistleblower                                                                                                                                    
 or qui tam actions on behalf of the government, and criminal false claims laws and the civil monetary penalties law, prohibit individuals or entities from, among other things, knowingly presenting, or causing to be presented false or fraudulent 
 claims for payment by a federal government program, or making a false statement or record material to payment of a false claim or avoiding, decreasing or concealing an obligation to pay money to the federal government;                           |

| • |     | HIPAA, as amended by HITECH, and their implementing regulations, impose requirements on certain covered 
 healthcare providers, health plans, and healthcare clearinghouses as well as their respective           |

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Confidential Treatment Requested by HCW Biologics Inc. Pursuant to 17 C.F.R. Section 200.83

| business associates and their subcontractors that perform services for them that involve the use, or disclosure of, individually identifiable health information, relating to the privacy, 
 security, and transmission of such individually identifiable health information;                                                                                                           |

| • |     | Analogous state laws and regulations such as state anti-kickback and false claims laws and analogous non-U.S.                                                                                                                                             
 fraud and abuse laws and regulations, may apply to sales or marketing arrangements and including private insurers. Some state laws require pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and      
 the relevant compliance regulations promulgated by the federal government and may require drug manufacturers to report information related to payments and other transfers of value to physicians and other healthcare providers, marketing expenditures, 
 or drug pricing, including price increases. State and local laws require the registration of pharmaceutical sales representatives.                                                                                                                        |

Efforts to ensure that our internal business processes and business arrangements with third parties