Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Martin Mackay currently holds 18,055 shares of Rallybio Corp (RLYB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Martin Mackay has been a net seller of RLYB stock. They have purchased $103.5K and sold $18.0M worth of shares.
Martin Mackay's most recent insider trade was on Feb 18, 2026, when they sold 18,055 shares at $3.60 per share.
Martin Mackay serves as Executive at Rallybio Corp (RLYB). They have executed 75 insider transactions totaling $18.1M over their tenure at the company.
Martin Mackay holds the position of Executive at Rallybio Corp, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 19 years and currently hold a stake valued at $0.
Martin Mackay has shown a selling trading pattern, with $103.5K in total purchases and $18.0M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Martin Mackay was on Aug 3, 2015, when they sold $3.4M worth of ALXN shares. This transaction involved 17,518 shares at $196.48 per share.
Martin Mackay currently owns 18,055 shares of Rallybio Corp (RLYB), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Martin Mackay's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Martin Mackay has 75 Form 4 filings on record as an insider at Rallybio Corp.
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