DAVIDSON DAVID

PrivateCIK: 1578696
Location

CAMBRIDGE, MA

DAVIDSON DAVID (Chief Medical Officer) sold 8.4% of their position (2.04K shares) of BLUEBIRD BIO, INC. on the open market

Open‑market sale worth $264.6K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderDAVIDSON DAVIDCIK 1578696
IssuerBLUEBIRD BIO, INC.CIK 1293971
Officer· Chief Medical Officer
Since Jul 2018
-2.04K
Net shares
Net seller
$264.6K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
2.04K acquired · 4.07K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+2.04K

Price / share

$24.47

Trade value

$49.80K

% of position

9.1%
1/18/2019
22.24K24.28K

Common Stock

Direct
S · Sale

Shares

2.04K

Price / share

$130.05

Trade value

$264.64K

% of position

8.4%
1/18/2019
24.28K22.24K
Total

Net shares

+0.00

Net value

-$214.85K

Derivative Transactions1

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

2.04K shares

Shares

2.04K

Strike price

24.47

Held after

7.17K

Exercisable

1/18/2019
DAVIDSON DAVID — Insider Transaction (Form 4) Filed Jan 23, 2019 | Finecho