DAVIDSON DAVID

PrivateCIK: 1578696
Location

CAMBRIDGE, MA

DAVIDSON DAVID (Chief Medical Officer) sold 13.8% of their position (5.06K shares) of BLUEBIRD BIO, INC. on the open market

Open‑market sale worth $587.4K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderDAVIDSON DAVIDCIK 1578696
IssuerBLUEBIRD BIO, INC.CIK 1293971
Officer· Chief Medical Officer
Since Jul 2018
-5.06K
Net shares
Net seller
$587.4K
Total sold
4
Open market trades
0B · 4S
6
Total transactions
5.06K acquired · 10.12K disposed
Non-Derivative Transactions5

Common Stock

Direct
M · Option Exercise

Shares

+5.06K

Price / share

$50.51

Trade value

$255.58K

% of position

16.0%
8/6/2019
31.62K36.68K

Common Stock

Direct
S · Sale

Shares

2.96K

Price / share

$115.25

Trade value

$341.13K

% of position

8.1%
8/6/2019
36.68K33.72K

Common Stock

Direct
S · Sale

Shares

800.00

Price / share

$116.11

Trade value

$92.89K

% of position

2.4%
8/6/2019
33.72K32.92K

Common Stock

Direct
S · Sale

Shares

900.00

Price / share

$117.77

Trade value

$105.99K

% of position

2.7%
8/6/2019
32.92K32.02K

Common Stock

Direct
S · Sale

Shares

400.00

Price / share

$118.44

Trade value

$47.38K

% of position

1.2%
8/6/2019
32.02K31.62K
Total

Net shares

+0.00

Net value

-$331.81K

Derivative Transactions1

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

5.06K shares

Shares

5.06K

Strike price

50.51

Held after

14.69K

Exercisable

8/6/2019
DAVIDSON DAVID — Insider Transaction (Form 4) Filed Aug 8, 2019 | Finecho