BUTLER JOHN P.

PrivateCIK: 1591467
Location

CAMBRIDGE, MA

BUTLER JOHN P. (CEO and President) exercised options at AKEBIA THERAPEUTICS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderBUTLER JOHN P.CIK 1591467
IssuerAKEBIA THERAPEUTICS, INC.CIK 1517022
DirectorOfficer· CEO and President
Since Mar 2026
0.00
Net shares
Net seller
$220.5K
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
350K acquired · 350K disposed
Non-Derivative Transactions1

Common Stock

Direct
M · Option Exercise

Shares

+350K

Price / share

$0.63

Trade value

$220.50K

% of position

10.4%
8/6/2026
3.37M3.72M
Total

Net shares

+350K

Net value

$220.50K

Derivative Transactions1

Stock Option (Right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

350K shares

Shares

350K

Strike price

0.63

Held after

525K

Exercisable

8/6/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned159.93K
Total
159.93K indirect159.93K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported