Mackay Martin reported RLYB

Source

Document

SEC Form 4

Publisher

U.S. Securities and Exchange Commission (EDGAR)

Document ID

0001193125-26-450103

Machine-readable

Structured copy

Timestamps

Event (reported)

Nov 4, 2026

Published

Nov 5, 2026

Ingested by INSIDER

Nov 6, 03:18 UTC

Last re-read

Nov 6, 09:18 UTC

Extracted facts

Filer

Mackay Martin

Role

Director

Transaction

Option exerciseAs filed: “M”

Asset

Rallybio Corp

Ticker

RLYB

Shares

3,562

Price per share

$2.38

Value

$8,478

Execution date (reported)

Nov 4, 2026

Owned after transaction

107.0K shares

Days from execution to publication

1

Calculation

What this establishes

Mackay Martin filed this Form 4 reporting a option exercise of RLYB on Nov 4, 2026. It became public on Nov 5, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

Extraction

Method

Form 4 XML

Confidence

1.00

Director

Mackay Martincik:0001414815

Issuer

Rallybio Corpcik:0001739410

Revision history · 0

No field has changed since this record was first ingested.