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Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Explore the detailed record of transactions filed by Cloonan Michael. Officer active across 2 companies, notably bluebird bio, Inc.. Aggregated, 8 reports have been published. Split: 0 buy · 2 sells. Total volume traded: €623k. History available since 30 September 2024. The latest transaction was filed on 29 September 2025 (Cession). Regulator: SEC (Form 4). The full history is accessible without signup.
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8 of 8 declarations
Cloonan Michael is linked to Sionna Therapeutics, Inc. as President & CEO and to bluebird bio, Inc. as Director. The record shows 5 filings in total, and across the 5 sampled filings from 2024-10-02 to 2025-09-30, buy volume is EUR 0 and sell volume is EUR 622874, with Levée d'options as the most frequent transaction nature.