Chan William 4

What Happened William Chan, Waystar's Chief Product & AI Officer, received a grant of 82,271 restricted stock units (RSUs) on March 9, 2026. The RSUs were awarded at $0.00 per share (transaction code A), meaning no cash was exchanged; each RSU represents a contingent right to one share of common stock upon settlement. This is an equity award (not an open‑market purchase or sale).

Key Details

• Transaction date: March 9, 2026; Form 4 filed March 11, 2026 (filing appears timely).
• Award: 82,271 RSUs granted at $0.00 per RSU (total cash value at grant = $0).
• Vesting: Per footnote F1, the RSUs vest in four equal annual installments from the grant date through March 1, 2030.
• Additional notes: Footnote F2 references RSUs issued to Chan on Oct 2, 2025 in connection with Waystar’s acquisition of Iodine Software; those RSUs are subject to a six‑month post‑closing lock‑up. Footnote F3 indicates the reported amount includes unvested RSUs.
• Shares owned after transaction: not specified in the information provided on the Form 4.

Context This filing documents an equity award to an executive (a common form of long‑term compensation). Grants are not direct purchases or sales and do not necessarily indicate immediate bullish or bearish trading by the insider. The RSUs will convert to shares only as they vest and any lock‑up or withholding provisions apply.