BUTLER JOHN P.

PrivateCIK: 1591467
Location

CAMBRIDGE, MA

BUTLER JOHN P. (CEO and President) sold 9.4% of their position (341.31K shares) of AKEBIA THERAPEUTICS, INC. on the open market

Open‑market sale worth $474.4K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderBUTLER JOHN P.CIK 1591467
IssuerAKEBIA THERAPEUTICS, INC.CIK 1517022
DirectorOfficer· CEO and President
Since Mar 2026
-166.06K
Net shares
Net seller
$474.4K
Total sold
4
Open market trades
0B · 4S
5
Total transactions
175.25K acquired · 341.31K disposed
Non-Derivative Transactions5

Common Stock

Direct
S · Sale

Shares

46.66K

Price / share

$1.39

Trade value

$64.86K

% of position

1.3%
2/2/2026
3.46M3.42M

Common Stock

Direct
S · Sale

Shares

96.06K

Price / share

$1.39

Trade value

$133.53K

% of position

2.8%
2/2/2026
3.42M3.32M

Common Stock

Direct
S · Sale

Shares

114.89K

Price / share

$1.39

Trade value

$159.70K

% of position

3.5%
2/2/2026
3.32M3.21M

Common Stock

Direct
A · Award

Shares

+175.25K

Price / share

$1.41

Trade value

$247.10K

% of position

5.5%
2/2/2026
3.21M3.38M

Common Stock

Direct
S · Sale

Shares

83.69K

Price / share

$1.39

Trade value

$116.33K

% of position

2.5%
2/2/2026
3.38M3.30M
Total

Net shares

166.06K

Net value

-$227.31K

Derivative Transactions0
No derivative transactions reported
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