COLVIN RICHARD A

PrivateCIK: 1944069
Location

SOMERVILLE, MA

Senior insider sale

Chief Medical Officer at BLUEBIRD BIO, INC. — senior position signals high conviction

$4.1K

3.49K shares

What this filing means

COLVIN RICHARD A plans to sell 3.49K shares of BLUEBIRD BIO, INC. valued at approximately $4.1K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderCOLVIN RICHARD ACIK 1944069
IssuerBLUEBIRD BIO, INC.CIK 1293971
Officer· Chief Medical Officer
Since Aug 2022
3.49K
Shares to sell
$4.1K
Approx. market value
1.56K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months3
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Vested restricted stock units under company equity plan; sale of shares due to withholding taxes

Services rendered

9/30/2024
625.00

Vested restricted stock units under company equity plan; sale of shares due to withholding taxes

Services rendered

3/1/2023
688.00

Vested restricted stock units under company equity plan; sale of shares due to withholding taxes

Services rendered

3/1/2021
251.00
Total acquired1.56K
Planned & Completed Dispositions4
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Completed

Completed

Units to sell

64.00

Market value

$473.12

2/3/2025
Completed

Units to sell

19.00

Market value

$175.56

1/6/2025
Completed

Units to sell

2.82K

Market value

$1.2K

12/10/2024

Planned — Approximate Date

NASDAQPlanned

Units to sell

584.00

Market value

$2.3K

3/3/2025
Total

Units

3.49K

Value

$4.1K

COLVIN RICHARD A — Planned Insider Sale (Form 144) | Finecho