IRONWOOD PHARMACEUTICALS INC
Total Trades
70
Buys
1
Sells
61
Largest Trade
N/A
Insiders
13
Institutional Funds
153
Inst. Value
$1M+
Activist Filings
34
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| John Minardo | Chief Legal Officer | SELL | $100K–$500K | 36K | $3.73 | Feb 25, 2026 |
| Shetzline Michael | SVP | SELL | $100K–$500K | 33K | $3.73 | Feb 25, 2026 |
| Gaskins Tammi L | Chief Commercial O… | SELL | $50K–$100K | 22K | $3.73 | Feb 25, 2026 |
| MCCOURT Thomas A | CEO | SELL | $500K+ | 198K | $3.73 | Feb 25, 2026 |
| Martini Gregory S. | CFO | SELL | $50K–$100K | 22K | $3.73 | Feb 25, 2026 |
| Silver Ronald | Principal Accounti… | SELL | $50K–$100K | 24K | $3.73 | Feb 25, 2026 |
| Silver Ronald | Principal Accounti… | SELL | $100K–$500K | 35K | $4.60 | Jan 7, 2026 |
| Gaskins Tammi L | Chief Commercial O… | SELL | $15K–$50K | 6K | $3.32 | Nov 19, 2025 |
| MCCOURT Thomas A | CEO | GRANT | N/A | 540K | — | May 20, 2025 |
| MCCOURT Thomas A | CEO | SELL | $1K–$15K | 13K | $0.58 | May 20, 2025 |
| Gaskins Tammi L | Chief Commercial O… | SELL | $1K–$15K | 3K | $0.58 | May 20, 2025 |
| Davis Andrew | SVP | SELL | $15K–$50K | 5K | $4.08 | Nov 20, 2024 |
| Emany Sravan Kumar | SVP, COO and CFO | SELL | $15K–$50K | 11K | $4.08 | Nov 20, 2024 |
| McHugh Julie | Director | SELL | $100K–$500K | 23K | $6.29 | Jun 12, 2024 |
| Moukheibir Catherine | Director | SELL | $500K+ | 80K | $6.47 | Jun 10, 2024 |
| John Minardo | Chief Legal Officer | GRANT | N/A | 54K | — | Feb 15, 2024 |
| John Minardo | Chief Legal Officer | SELL | $500K+ | 47K | $15.24 | Feb 15, 2024 |
| Shetzline Michael | CMO | SELL | $500K+ | 39K | $15.24 | Feb 15, 2024 |
| Shetzline Michael | CMO | GRANT | N/A | 54K | — | Feb 15, 2024 |
| Silver Ronald | Principal Accounti… | SELL | $100K–$500K | 8K | $15.24 | Feb 15, 2024 |
| Silver Ronald | Principal Accounti… | GRANT | N/A | 27K | — | Feb 15, 2024 |
| Davis Andrew | SVP | GRANT | N/A | 65K | — | Feb 15, 2024 |
| Davis Andrew | SVP | SELL | $100K–$500K | 10K | $15.24 | Feb 15, 2024 |
| MCCOURT Thomas A | CEO | SELL | $1M+ | 177K | $15.24 | Feb 15, 2024 |
| Davis Andrew | SVP | SELL | $15K–$50K | 3K | $9.69 | Nov 22, 2023 |
| Emany Sravan Kumar | CFO | BUY | $100K–$500K | 36K | $8.32 | Sep 18, 2023 |
| Silver Ronald | Principal Accounti… | SELL | $15K–$50K | 2K | $10.04 | Aug 16, 2023 |
| John Minardo | Chief Legal Officer | SELL | $50K–$100K | 7K | $10.04 | Aug 16, 2023 |
| MCCOURT Thomas A | CEO | SELL | $100K–$500K | 27K | $10.70 | Jun 1, 2023 |
| Shetzline Michael | CMO | SELL | $100K–$500K | 10K | $10.12 | May 24, 2023 |
| Davis Andrew | SVP | SELL | $50K–$100K | 6K | $10.12 | May 24, 2023 |
| MCCOURT Thomas A | CEO | SELL | $100K–$500K | 36K | $10.12 | May 24, 2023 |
| MCCOURT Thomas A | CEO | SELL | $100K–$500K | 21K | $10.62 | May 10, 2023 |
| MCCOURT Thomas A | CEO | SELL | $100K–$500K | 46K | $10.67 | Mar 29, 2023 |
| MCCOURT Thomas A | CEO | SELL | $100K–$500K | 34K | $11.22 | Mar 7, 2023 |
| Silver Ronald | Principal Accounti… | SELL | $50K–$100K | 6K | $11.36 | Mar 1, 2023 |
| Rickard Jason | COO | SELL | $100K–$500K | 34K | $11.36 | Mar 1, 2023 |
| MCCOURT Thomas A | CEO | SELL | $500K+ | 61K | $11.36 | Mar 1, 2023 |
| Shetzline Michael | CMO | SELL | $100K–$500K | 19K | $11.36 | Mar 1, 2023 |
| John Minardo | Chief Legal Officer | SELL | $50K–$100K | 7K | $11.36 | Mar 1, 2023 |
| Davis Andrew | SVP | SELL | $15K–$50K | 4K | $11.36 | Mar 1, 2023 |
| MCCOURT Thomas A | CEO | EXERCISE | $1M+ | 111K | $11.65 | Jan 9, 2023 |
| MCCOURT Thomas A | CEO | SELL | $1M+ | 111K | $12.07 | Jan 9, 2023 |
| Rickard Jason | COO | SELL | $100K–$500K | 27K | $12.39 | Dec 16, 2022 |
| Emany Sravan Kumar | CFO | SELL | $50K–$100K | 7K | $11.56 | Nov 23, 2022 |
| Silver Ronald | Principal Accounti… | SELL | $1K–$15K | 682 | $11.56 | Nov 23, 2022 |
| Davis Andrew | SVP | SELL | $15K–$50K | 3K | $11.56 | Nov 23, 2022 |
| MCCOURT Thomas A | CEO | SELL | $100K–$500K | 19K | $10.41 | Oct 5, 2022 |
| MCCOURT Thomas A | CEO | SELL | $100K–$500K | 26K | $10.65 | Sep 6, 2022 |
| Silver Ronald | Principal Accounti… | SELL | $15K–$50K | 2K | $11.77 | Aug 17, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 153 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Sarissa Capital Management LP | 15.9M | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 8.2M | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 6.5M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 5.0M | $1M+ | SH |
| STATE STREET CORP | 4.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 3.2M | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 2.8M | $1M+ | SH |
| JANE STREET GROUP, LLC | 2.4M | $1M+ | SH |
| Connor, Clark & Lunn Investment Management Ltd. | 2.0M | $1M+ | SH |
| Hillsdale Investment Management Inc. | 1.2M | $1M+ | SH |
| LAZARD ASSET MANAGEMENT LLC | 1.0M | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 665K | $1M+ | SH |
| MARSHALL WACE, LLP | 653K | $1M+ | SH |
| Exome Asset Management LLC | 649K | $1M+ | SH |
| IEQ CAPITAL, LLC | 633K | $1M+ | SH |
| GSA CAPITAL PARTNERS LLP | 572K | $1M+ | SH |
| Walleye Capital LLC | 528K | $1M+ | SH |
| Range Financial Group LLC | 426K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 412K | $1M+ | SH |
| BARCLAYS PLC | 393K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 18, 2026
9.8%
16.0M shares
SC 13G · Nov 14, 2025
7.4%
12.0M shares
SC 13G/A · Nov 12, 2025
1.9%
3.2M shares
SC 13G · Aug 12, 2025
6.9%
11.1M shares
SC 13G/A · Jul 7, 2025
10.0%
16.2M shares
SC 13G/A · May 15, 2025
8.5%
13.7M shares
SC 13G · May 13, 2025
2.2%
3.5M shares
Pacer US Small Cap Cash Cows ETF
SC 13G/A · May 2, 2025
1.1%
1.8M shares
Pacer US Small Cap Cash Cows ETF
SC 13G · May 2, 2025
7.3%
11.7M shares
SC 13G/A · Apr 30, 2025
9.8%
15.7M shares
SC 13G/A · Mar 7, 2025
7.1%
11.3M shares
SC 13G/A · Feb 14, 2025
5.9%
9.5M shares
SC 13G · Feb 5, 2025
5.2%
8.3M shares
SC 13G/A · Jan 31, 2025
12.2%
19.5M shares
SC 13G · Nov 14, 2024
5.1%
8.2M shares
SC 13G · Nov 13, 2024
5.4%
8.6M shares
SC 13G/A · Nov 12, 2024
13.8%
22.0M shares
SC 13G/A · Nov 8, 2024
14.3%
22.9M shares
SC 13G/A · Nov 4, 2024
13.8%
22.0M shares
SC 13G/A · Oct 23, 2024
14.3%
22.9M shares
STATE STREET CORPORATION 04-2456637
SC 13G/A · Oct 16, 2024
6.2%
9.9M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 25, 2024
7.4%
0 shares
SC 13G/A · Jan 22, 2024
16.6%
26.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jan 10, 2024
10.3%
16.0M shares
Westfield Capital Management Company, LP 80-0175963
SC 13G/A · Jul 5, 2023
0.0%
0 shares
Wellington Management Group LLP
SC 13G/A · May 10, 2023
0.0%
0 shares
SC 13G/A · Feb 14, 2023
2.6%
4.0M shares
LSV Asset Management 23-2772200
SC 13G · Feb 10, 2023
5.2%
7.9M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G · Feb 2, 2023
7.3%
0 shares
SC 13G/A · Jan 26, 2023
16.8%
25.8M shares
SC 13G/A · Jan 20, 2023
16.8%
25.8M shares
SC 13G · Jul 8, 2022
17.5%
26.9M shares
SC 13G/A · Feb 14, 2022
9.9%
16.3M shares
Westfield Capital Management Company, LP 80-0175963
SC 13G/A · Feb 1, 2022
5.0%
8.1M shares