Ironwood Pharmaceuticals Inc (IRWD) Insider Ownership

Historic Insider Ownership Trends

Ironwood Pharmaceuticals's top three insider shareholders as of March 23, 2026 are Thomas A Mccourt (Chief Executive Officer, 1.49Mn shares), Mark G Currie (Director, 613.42K shares), Michael Shetzline (Svp, Cmo, Head Resdrug, 521.42K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Alexander J Denner 256,309 9,188,635 17 Mar, 2026
Thomas A Mccourt Chief Executive Officer 1,898,838 0 12 Mar, 2026
Michael Shetzline Svp, Cmo, Head Resdrug 658,037 0 12 Mar, 2026
Minardo John Chief Legal Officer 500,498 0 12 Mar, 2026
Ronald Silver Principal Accounting Officer 416,570 0 12 Mar, 2026
Jason Rickard Svp, Chief Operating Officer 376,316 0 10 Mar, 2023
Tammi L Gaskins Chief Commercial Officer 350,350 0 12 Mar, 2026
Gregory S. Martini Chief Financial Officer 297,213 0 12 Mar, 2026
Edward P Owens 241,720 0 04 Jun, 2021
Julie Mchugh 208,839 0 12 Jun, 2025
Jay Shepard 171,555 0 12 Jun, 2025
Marla L Kessler 165,883 0 12 Jun, 2025
Catherine Moukheibir 117,944 0 12 Jun, 2025
Lawrence S Olanoff 91,395 0 04 Jun, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Mar, 2026 Alexander J Denner Class A Common Stock A 4,451 $0.00 256,309 D A
17 Mar, 2026 Alexander J Denner Class A Common Stock D 6,725,000 $3.05 9,194,435 I S
17 Mar, 2026 Alexander J Denner Class A Common Stock D 5,800 $3.31 9,188,635 I S
10 Mar, 2026 Tammi L Gaskins Class A Common Stock A 136,612 $0.00 350,350 D A
10 Mar, 2026 Gregory S. Martini Class A Common Stock A 136,612 $0.00 297,213 D A
10 Mar, 2026 Minardo John Class A Common Stock A 136,612 $0.00 500,498 D A
10 Mar, 2026 Ronald Silver Class A Common Stock A 163,934 $0.00 416,570 D A
10 Mar, 2026 Michael Shetzline Class A Common Stock A 136,612 $0.00 658,037 D A
10 Mar, 2026 Thomas A Mccourt Class A Common Stock A 409,836 $0.00 1,898,838 D A
23 Feb, 2026 Tammi L Gaskins Class A Common Stock D 10,287 $3.81 224,977 D S
23 Feb, 2026 Thomas A Mccourt Class A Common Stock D 94,757 $3.81 1,592,528 D S
23 Feb, 2026 Ronald Silver Class A Common Stock D 11,552 $3.81 265,257 D S
23 Feb, 2026 Minardo John Class A Common Stock D 17,439 $3.81 382,939 D S
23 Feb, 2026 Gregory S. Martini Class A Common Stock D 10,487 $3.81 172,058 D S
23 Feb, 2026 Michael Shetzline Class A Common Stock D 15,570 $3.81 538,437 D S
24 Feb, 2026 Tammi L Gaskins Class A Common Stock D 11,239 $3.66 213,738 D S
24 Feb, 2026 Michael Shetzline Common Stock A 17,012 $3.66 521,425 D S
24 Feb, 2026 Thomas A Mccourt Class A Common Stock D 103,526 $3.66 1,489,002 D S
24 Feb, 2026 Minardo John Class A Common Stock D 19,053 $3.66 363,886 D S
24 Feb, 2026 Ronald Silver Class A Common Stock D 12,621 $3.66 252,636 D S