WALSH CHRISTOPHER T PHD
Insider
First SEC filing: Feb. 2, 2010 · Latest: Feb. 2, 2010
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 15, 2017 | IRWD | A | 142 | · | · | 71,499 Direct | +0.20% | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2016 | IRWD | A | 161 | · | · | 71,357 Direct | +0.23% | Acquired | (price as of 2026-10-05) |
| Sept. 15, 2016 | IRWD | A | 166 | · | · | 71,196 Direct | +0.23% | Acquired | (price as of 2026-10-05) |
| June 15, 2016 | IRWD | A | 196 | · | · | 71,030 Direct | +0.28% | Acquired | (price as of 2026-10-05) |
| June 1, 2016 | IRWD | A | 23,674 | · | · | 70,834 Direct | +50.20% | Acquired | (price as of 2026-10-05) |
| March 15, 2016 | IRWD | A | 239 | · | · | 47,160 Direct | +0.51% | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2015 | IRWD | A | 227 | · | · | 46,921 Direct | +0.49% | Acquired | (price as of 2026-10-05) |
| Sept. 15, 2015 | IRWD | A | 217 | · | · | 46,694 Direct | +0.47% | Acquired | (price as of 2026-10-05) |
| June 15, 2015 | IRWD | A | 207 | · | · | 46,477 Direct | +0.45% | Acquired | (price as of 2026-10-05) |
| June 3, 2015 | IRWD | A | 16,556 | · | · | 46,270 Direct | +55.72% | Acquired | (price as of 2026-10-05) |
| March 13, 2015 | IRWD | A | 165 | · | · | 29,714 Direct | +0.56% | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2014 | IRWD | A | 182 | · | · | 29,549 Direct | +0.62% | Acquired | (price as of 2026-10-05) |
| Sept. 15, 2014 | IRWD | A | 198 | · | · | 29,367 Direct | +0.68% | Acquired | (price as of 2026-10-05) |
| June 13, 2014 | IRWD | A | 52 | · | · | 29,169 Direct | +0.18% | Acquired | (price as of 2026-10-05) |
| June 3, 2014 | IRWD | A | 19,778 | · | · | 29,117 Direct | +211.78% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2014 | IRWD | A | 9,339 | · | · | 9,339 Direct | · | Acquired | (price as of 2026-10-05) |
| May 7, 2013 | IRWD | G | 55,000 | · | · | 303,026 Direct | -15.36% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | $4.89 | $48,900 | 358,026 Direct | +2.87% | Acquired | -10.9% (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | $4.33 | $43,300 | 348,026 Direct | +2.96% | Acquired | 0.6% (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | $3.76 | $37,600 | 338,026 Direct | +3.05% | Acquired | 15.9% (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | $1.56 | $15,600 | 328,026 Direct | +3.14% | Acquired | 179.4% (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | $0.60 | $6,000 | 318,026 Direct | +3.25% | Acquired | 626.4% (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | $0.60 | $6,000 | 308,026 Direct | +3.36% | Acquired | 626.4% (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 15,000 | $0.60 | $9,000 | 298,026 Direct | +5.30% | Acquired | 626.4% (price as of 2026-10-05) |
| Nov. 7, 2012 | IRWD | M | 10,000 | $0.60 | $6,000 | 283,026 Direct | +3.66% | Acquired | 626.4% (price as of 2026-10-05) |
| Jan. 13, 2012 | IRWD | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 13, 2012 | IRWD | M | 6,000 | $0.31 | $1,860 | 273,026 Direct | +2.25% | Acquired | 1305.8% (price as of 2026-10-05) |
| Feb. 9, 2011 | IRWD | M | 6,000 | $0.31 | $1,860 | 267,026 Direct | +2.30% | Acquired | 1305.8% (price as of 2026-10-05) |
| Feb. 9, 2011 | IRWD | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 2, 2010 | IRWD | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $4.89 | Feb. 11, 2019 | 10,000 | Disposed |
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $4.33 | April 29, 2018 | 10,000 | Disposed |
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $3.76 | Jan. 31, 2018 | 10,000 | Disposed |
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $1.56 | July 24, 2016 | 10,000 | Disposed |
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $0.60 | July 22, 2014 | 10,000 | Disposed |
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $0.60 | July 22, 2014 | 10,000 | Disposed |
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $0.60 | July 15, 2013 | 15,000 | Disposed |
| Nov. 7, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $0.60 | July 15, 2013 | 10,000 | Disposed |
| Jan. 13, 2012 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $0.31 | Feb. 11, 2012 | 6,000 | Disposed |
| Feb. 9, 2011 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $0.31 | Feb. 12, 2011 | 6,000 | Disposed |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | Class B Common Stock | $0.10 | May 2, 2010 | 6,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 2, 2010 | IRWD | Class B Common Stock | 261,026 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 6,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 6,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 6,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 10,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 15,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 10,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 10,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 10,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 10,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 10,000 | Direct |
| Feb. 2, 2010 | IRWD | Employee Stock Option (Right to Buy) | 10,000 | Direct |