BAIRD WILLIAM D III

PrivateCIK: 1547658
Location

CAMBRIDGE, MA

BAIRD WILLIAM D III (Treasurer & CFO) reported 2 transactions at 2SEVENTY BIO, INC.

Review the transaction codes below to understand the nature of each event.

InsiderBAIRD WILLIAM D IIICIK 1547658
Issuer2SEVENTY BIO, INC.CIK 1860782
Officer· Treasurer & CFO
Since Oct 2021
-1.48M
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
4
Total transactions
1.48M disposed
Non-Derivative Transactions2

Common Stock

Direct
D · Disposition

Shares

1M

Price / share

Trade value

% of position

89.5%
5/13/2025
1.12M118.21K

Common Stock

Direct
U · U

Shares

118.21K

Price / share

Trade value

% of position

New position
5/13/2025
118.21K0.00
Total

Net shares

1.12M

Net value

$0.00

Derivative Transactions2

Stock Options (Right to buy)

Direct
D · Disposition
Converts to

Common Stock

182K shares

Shares

182K

Strike price

3.97

Held after

0.00

Exercisable

5/13/2025

Stock Options (Right to buy)

Direct
D · Disposition
Converts to

Common Stock

176K shares

Shares

176K

Strike price

2.64

Held after

0.00

Exercisable

5/13/2025
BAIRD WILLIAM D III — Insider Transaction (Form 4) Filed May 15, 2025 | Finecho