bluebird bio, Inc. (BLUE) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2025-06-02

bluebird bio, Inc. (BLUE) — no SEC Form 4 insider filings recorded in the last 90 days. InsiderAlpha tracks every BLUE SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About bluebird bio, Inc. (BLUE)

SEC CIK	0001293971

Recent BLUE Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2025-06-02	Jones-Burton Charlotte	Insider	D — Derivative transaction	1.2K	—	—	SEC
2025-06-02	Vittiglio Joseph	Chief Business Legal Officer	A — Grant or award	2.5K	—	—	SEC
2025-06-02	Cloonan Michael	Insider	D — Derivative transaction	1.9K	—	—	SEC
2025-06-02	Klima Thomas J	See Remarks	D — Derivative transaction	2.5K	—	—	SEC
2025-06-02	Leschly Nick	Insider	D — Derivative transaction	1.2K	—	—	SEC
2025-06-02	Vittiglio Joseph	Chief Business Legal Officer	D — Derivative transaction	3.1K	—	—	SEC
2025-06-02	Klima Thomas J	See Remarks	A — Grant or award	2.5K	—	—	SEC
2025-06-02	Vachon Mark	Insider	D — Derivative transaction	1.2K	—	—	SEC
2025-06-02	Sterling O. James	Chief Financial Officer	D — Derivative transaction	5.0K	—	—	SEC
2025-06-02	Sterling O. James	Chief Financial Officer	A — Grant or award	2.5K	—	—	SEC
2025-06-02	Sterling O. James	Chief Financial Officer	D — Derivative transaction	2.5K	—	—	SEC
2025-06-02	Klima Thomas J	See Remarks	D — Derivative transaction	4.5K	—	—	SEC
2025-06-02	Agwunobi John O	Insider	D — Derivative transaction	1.2K	—	—	SEC
2025-06-02	Leiderman Elisabeth	Insider	D — Derivative transaction	1.2K	—	—	SEC
2025-06-02	Vittiglio Joseph	Chief Business Legal Officer	D — Derivative transaction	2.5K	—	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for bluebird bio, Inc. (BLUE). Updated in real time as new filings are submitted to the SEC.

Recent Insider Filings

2025-06-02 — Sterling O. James (Chief Financial Officer)
2025-06-02 — Cloonan Michael (Insider)
2025-05-30 — Leiderman Elisabeth (Insider)
2025-05-30 — Vachon Mark (Insider)
2025-05-30 — Klima Thomas J (See Remarks)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BLUE insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

BLUE Insider Trading — FAQ

What is the latest insider trade for BLUE?: bluebird bio, Inc. (BLUE) had 0 insider filings in the last 90 days, with the most recent on 2025-06-02. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying BLUE stock?: 0 insider purchases of BLUE were filed in the last 90 days.
How many insiders are selling BLUE stock?: 0 insider sales of BLUE were filed in the last 90 days.
Where can I see BLUE SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every BLUE SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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