Latest filing published 03 Jun 2025 for bluebird bio, Inc.. Read the official filing
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Thomas J. Klima (senior executive) discloses dealings in bluebird bio, Inc. to SEC (Form 4). We count 16 filings; the first trade dates from 1 June 2021 and the latest from 30 May 2025.
Every open-market trade on record is a sale: 8 sales worth €42k. Outside the open market, there are 6 share grants. 2025 to date brings no purchases and 2 sales.
Most recently, on 3 June 2025, the filings show a transaction in bluebird bio, Inc. The median gap between a trade and its publication by SEC (Form 4) is 2 days. Section 16 rules allow two business days to file each Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
16 of 16 declarations