Byam Rebecca 4
4 · HCW Biologics Inc. · Filed May 27, 2026
Research Summary
AI-generated summary of this filing
HCW Biologics CFO Rebecca Byam Buys 14,235 Shares
What Happened
- Rebecca Byam, Chief Financial Officer of HCW Biologics (HCWB), reported purchases on 2026-05-22. The filing shows a cash purchase of 14,235 shares at $1.41 each (total ~$20,000). The Form 4 also lists a second entry of 14,235 shares at $0.00 under the same purchase code (a derivative-style entry).
Key Details
- Transaction date: 2026-05-22.
- Cash purchase: 14,235 shares at $1.41 per share = $20,000 total.
- Additional entry: 14,235 shares at $0.00 (reported as a derivative/related purchase).
- Footnote: The reporting person purchased these shares directly from the issuer in a private placement, exempt from Section 16(b) under Rule 16b-3(d).
- Shares owned after transaction: not specified in the provided filing details.
- Filing date: 2026-05-27 for a 2026-05-22 transaction — Form 4s are normally due within 2 business days, so this appears to have been filed after that window.
Context
- The primary transaction code is P = Purchase, which is a direct buy (often seen as a more informative signal than routine sales). The $0.00 entry represents a derivative or related issuance; the footnote clarifies the shares were acquired in a private placement directly from the issuer and are exempt under Rule 16b-3(d). No evidence in the provided data indicates an immediate sale, tax-withholding, or 10b5-1 plan.
Insider Transaction Report
Form 4
Byam Rebecca
Chief Financial Officer
Transactions
- Purchase
Common Stock
2026-05-22$1.41/sh+14,235$20,000→ 57,245 total - Purchase
Common Stock Purchase Warrant
[F1]2026-05-22+14,235→ 18,466 totalExercise: $1.28From: 2026-05-22Exp: 2031-11-22→ Common Stock (14,235 underlying)
Footnotes (1)
- [F1]The reporting person purchased these shares directly from the issuer in a private placement, which purchase is exempt from Section 16(b) in accordance with Rule 16b-3(d) promulgated under the Securities Exchange Act of 1934, as amended.
Signature
/s/ Nicole Valdivieso, as Attorney-in-Fact for Rebecca A. Byam|2026-05-27