DAVIDSON DAVID

PrivateCIK: 1578696
Location

CAMBRIDGE, MA

DAVIDSON DAVID (Chief Medical Officer) sold 8.9% of their position (3.10K shares) of BLUEBIRD BIO, INC. on the open market

Open‑market sale worth $454.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderDAVIDSON DAVIDCIK 1578696
IssuerBLUEBIRD BIO, INC.CIK 1293971
Officer· Chief Medical Officer
Since Jul 2018
-3.10K
Net shares
Net seller
$454.0K
Total sold
2
Open market trades
0B · 2S
4
Total transactions
3.10K acquired · 6.20K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+3.10K

Price / share

$5.50

Trade value

$17.06K

% of position

9.8%
3/13/2019
31.62K34.72K

Common Stock

Direct
S · Sale

Shares

1.70K

Price / share

$145.96

Trade value

$248.13K

% of position

4.9%
3/13/2019
34.72K33.02K

Common Stock

Direct
S · Sale

Shares

1.40K

Price / share

$146.95

Trade value

$205.87K

% of position

4.2%
3/13/2019
33.02K31.62K
Total

Net shares

+0.00

Net value

-$436.95K

Derivative Transactions1

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

3.10K shares

Shares

3.10K

Strike price

5.5004

Held after

13.05K

Exercisable

3/13/2019
DAVIDSON DAVID — Insider Transaction (Form 4) Filed Mar 15, 2019 | Finecho