Ironwood Pharmaceuticals Ownership & Insider Activity

Ironwood Pharmaceuticals (IRWD) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 8.0% of shares outstanding. Institutional investors hold 45.8%.

Shares Outstanding

165.240M

Shares Float

151.268M

Insider Shares Owned

13.261M

Insider % Owned

8.0%

Institutional Shares Held

75.666M

Institutional % Held

45.8%

Ownership Breakdown

Net Insider Activity by Month

Ironwood Pharmaceuticals Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Jul 7, 2026	Ronald Silver	PFO & PAO	SELL	127.890K	$4.52	$578K
Jun 16, 2026	Julie McHugh	—	GRANT	41.910K	$3.73	$80K