Ironwood Pharmaceuticals IRWD Insider Ownership

NASDAQ IRWD
$4.07 -0.10 (-2.40%)
As of: Sep 9, 2026 · 11:52 AM EDT

Insider Holdings by Owner

8.54Mn Shares

Insider Ownership Statistics

as of 31 Dec, 2019
Insider Ownership
0.019%
▲+0.0001% pp QoQ
Shares Held by Insiders
29.71K
filed for Dec 2019
■0.00% QoQ
Shares Outstanding
177.76Mn
177,764,000 shares
Direct Holdings
29.71K
Indirect: 0
Net Shares Traded (QoQ)
0
no net change in Dec 2019
Insiders Holding Shares
18
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 31 Dec, 2019

IRWD's three largest insider shareholders as of September 09, 2026 are Alexander J Denner (Director, 9.19Mn shares), Thomas A Mccourt (Chief Executive Officer, 1.90Mn shares), Michael Shetzline (Svp, Cmo, Head Resdrug, 658.04K shares).

Form 4 Holdings

Insiders Holding IRWD

Insiders 18
Shares held 8.54Mn
Of outstanding 4.81%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Thomas A Mccourt Chief Executive Officer 1,898,838 0 1,898,838 22.2% 12 Mar, 2026
2 Michael Shetzline Svp, Cmo, Head Resdrug 1,179,462 0 1,179,462 13.8% 12 Mar, 2026
3 Ronald Silver Pfo Pao 755,250 0 755,250 8.8% 08 Jul, 2026
4 Mark G Currie Chief Scientific Officer 613,419 0 613,419 7.2% 12 Jun, 2025
5 Minardo John Chief Legal Officer 500,498 0 500,498 5.9% 12 Mar, 2026
6 Julie Mchugh Director 389,122 0 389,122 4.6% 17 Jun, 2026
7 Jason Rickard Svp, Chief Operating Officer 376,316 0 376,316 4.4% 10 Mar, 2023
8 Tammi L Gaskins Chief Commercial Officer 350,350 0 350,350 4.1% 12 Mar, 2026
9 Alexander J Denner Director 323,855 0 323,855 3.8% 17 Jun, 2026
10 Sravan Kumar Emany Svp, Coo And Cfo 309,572 0 309,572 3.6% 20 Nov, 2024
11 Gregory S. Martini Chief Financial Officer 297,213 0 297,213 3.5% 12 Mar, 2026
12 Andrew Davis Svp, Chief Business Officer 284,685 0 284,685 3.3% 20 Nov, 2024
13 Jon R Duane Director 253,820 0 253,820 3.0% 17 Jun, 2026
14 Jay Shepard Director 235,036 0 235,036 2.8% 17 Jun, 2026
15 Marla L Kessler Director 229,364 0 229,364 2.7% 17 Jun, 2026
16 Andrew Dreyfus Director 228,313 0 228,313 2.7% 12 Jun, 2025
17 Catherine Moukheibir Director 181,425 0 181,425 2.1% 17 Jun, 2026
18 Jeffrey Silber Svp, Cmo, Head Resdrug 137,036 0 137,036 1.6% 22 Jul, 2026

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

2,017 Insider Transactions

Source SEC Form 4
Latest quarter Dec 2019
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
20 Jul, 2026 Jeffrey Silber Svp, Cmo, Head Resdrug Acquired A 137,036 $0.00 $0 137,036 Direct
07 Jul, 2026 Ronald Silver Pfo Pao Disposed S 127,890 $4.52 $578.06K 313,680 Direct
16 Jun, 2026 Marla L Kessler Director Acquired A 63,481 $0.00 $0 229,364 Direct
16 Jun, 2026 Julie Mchugh Director Acquired A 63,481 $0.00 $0 272,320 Direct
16 Jun, 2026 Catherine Moukheibir Director Acquired A 63,481 $0.00 $0 181,425 Direct
16 Jun, 2026 Jay Shepard Director Acquired A 63,481 $0.00 $0 235,036 Direct
16 Jun, 2026 Jon R Duane Director Acquired A 63,481 $0.00 $0 253,820 Direct
15 Jun, 2026 Alexander J Denner Director Acquired A 4,065 $0.00 $0 260,374 Direct
16 Jun, 2026 Julie Mchugh Director Disposed S 21,571 $3.73 $80.46K 250,749 Direct
16 Jun, 2026 Alexander J Denner Director Acquired A 63,481 $0.00 $0 323,855 Direct
19 May, 2026 Ronald Silver Pfo Pao Acquired A 25,000 $0.00 $0 441,570 Direct
13 Mar, 2026 Alexander J Denner Director Acquired A 4,451 $0.00 $0 256,309 Direct
17 Mar, 2026 Alexander J Denner Director Disposed S 6,725,000 $3.05 $20.51Mn 9,194,435 Indirect
17 Mar, 2026 Alexander J Denner Director Disposed S 5,800 $3.31 $19.20K 9,188,635 Indirect
10 Mar, 2026 Minardo John Chief Legal Officer Acquired A 136,612 $0.00 $0 500,498 Direct
10 Mar, 2026 Gregory S. Martini Chief Financial Officer Acquired A 136,612 $0.00 $0 297,213 Direct
10 Mar, 2026 Gregory S. Martini Chief Financial Officer Acquired A 136,612 $0.00 $0 297,213 Direct
10 Mar, 2026 Minardo John Chief Legal Officer Acquired A 136,612 $0.00 $0 500,498 Direct
10 Mar, 2026 Michael Shetzline Svp, Cmo, Head Resdrug Acquired A 136,612 $0.00 $0 658,037 Direct
10 Mar, 2026 Michael Shetzline Svp, Cmo, Head Resdrug Acquired A 136,612 $0.00 $0 658,037 Direct