LANDSITTEL MICHAEL

PrivateCIK: 1651036
Location

CAMBRIDGE, MA

LANDSITTEL MICHAEL (Chief Financial Officer) received a stock award from BLUEPRINT MEDICINES CORP

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderLANDSITTEL MICHAELCIK 1651036
IssuerBLUEPRINT MEDICINES CORPCIK 1597264
Officer· Chief Financial Officer
Since Mar 2019
-276.55K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
12
Total transactions
21.35K acquired · 297.90K disposed
Non-Derivative Transactions3

Common Stock

Direct
A · Award

Shares

+21.35K

Price / share

Trade value

% of position

29.3%
7/17/2025
72.92K94.28K

Common Stock

Direct
D · Disposition

Shares

51.10K

Price / share

Trade value

% of position

54.2%
7/17/2025
94.28K43.17K

Common Stock

Direct
U · U

Shares

43.17K

Price / share

Trade value

% of position

New position
7/17/2025
43.17K0.00
Total

Net shares

72.92K

Net value

$0.00

Derivative Transactions9

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

10K shares

Shares

10K

Strike price

15.01

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

26K shares

Shares

26K

Strike price

81.44

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

19.50K shares

Shares

19.50K

Strike price

86.6

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

25K shares

Shares

25K

Strike price

54.13

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

26.13K shares

Shares

26.13K

Strike price

100.13

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

25K shares

Shares

25K

Strike price

61.31

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

25K shares

Shares

25K

Strike price

43.15

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

25K shares

Shares

25K

Strike price

95.12

Held after

0.00

Exercisable

7/17/2025

Stock Option (Right to Buy)

Direct
D · Disposition
Converts to

Common Stock

22K shares

Shares

22K

Strike price

96.57

Held after

0.00

Exercisable

7/17/2025
LANDSITTEL MICHAEL — Insider Transaction (Form 4) Filed Jul 21, 2025 | Finecho