Brent Pfeiffenberger, President and CEO of Century Therapeutics ($IPSC), made two open market purchases of company shares in the last year, totaling nearly $48,000, with the most recent on December 12, 2025. This ranks 3,101st among roughly 5,000 insiders, well below the average buy of $1.5 million across 3.3 transactions. He also sold shares four times for about $31,400 total, latest on November 17, 2025, placing 10,776th out of nearly 12,000 sellers versus an average of $8.6 million over 6.4 trades.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 11, 2026 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | F | Common Stock | 55397 | $2.73 | 3,710,958.0000 | 86,464,066 | 1.47% | 0.06% |
| March 6, 2026 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | F | Common Stock | 463 | $2.56 | 3,766,355.0000 | 86,464,066 | 0.01% | 0.00% |
| Feb. 13, 2026 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | F | Common Stock | 31172 | $1.75 | 3,766,818.0000 | 86,464,066 | 0.82% | 0.04% |
| Feb. 2, 2026 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | A | Stock Option (right to buy) | 945000 | $0.00 | 945,000.0000 | 86,464,066 | 9999.99% | 1.09% |
| Feb. 2, 2026 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | A | Common Stock | 475000 | $0.00 | 3,797,990.0000 | 86,464,066 | 14.29% | 0.55% |
| Dec. 12, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | P | Common Stock | 52000 | $0.58 | 3,322,990.0000 | 86,464,066 | 1.59% | 0.06% |
| Dec. 10, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | F | Common Stock | 463 | $0.53 | 3,270,990.0000 | 86,464,066 | 0.01% | 0.00% |
| Nov. 19, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | P | Common Stock | 35000 | $0.50 | 3,271,453.0000 | 86,464,066 | 1.08% | 0.04% |
| Nov. 17, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | S | Common Stock | 32456 | $0.45 | 3,236,453.0000 | 86,464,066 | 0.99% | 0.04% |
| Sept. 8, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | S | Common Stock | 488 | $0.50 | 3,268,909.0000 | 86,238,084 | 0.01% | 0.00% |
| Aug. 14, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | A | Common Stock | 1587614 | $0.00 | 3,269,397.0000 | 86,238,084 | 94.40% | 1.84% |
| June 9, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | S | Common Stock | 475 | $0.62 | 1,681,783.0000 | 86,098,619 | 0.03% | 0.00% |
| May 16, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | S | Common Stock | 29552 | $0.55 | 1,682,258.0000 | 86,098,619 | 1.73% | 0.03% |
| March 11, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | A | Stock Option (right to buy) | 521500 | $0.00 | 521,500.0000 | 78,648,958 | 9999.99% | 0.66% |
| March 11, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | A | Common Stock | 521500 | $0.00 | 1,711,810.0000 | 78,648,958 | 43.81% | 0.66% |
| March 10, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | S | Common Stock | 2235 | $0.62 | 1,190,310.0000 | 78,648,958 | 0.19% | 0.00% |
| Feb. 18, 2025 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | S | Common Stock | 34712 | $0.78 | 1,192,545.0000 | 78,648,958 | 2.83% | 0.04% |
| Dec. 4, 2024 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | F | Common Stock | 243447 | $1.44 | 1,227,257.0000 | 84,704,352 | 16.55% | 0.29% |
| March 7, 2024 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | A | Stock Option (right to buy) | 104550 | $0.00 | 104,550.0000 | 59,314,389 | 9999.99% | 0.18% |
| March 7, 2024 | Century Therapeutics, Inc. | $IPSC | Pfeiffenberger Brent | President and CEO | A | Common Stock | 17425 | $0.00 | 1,470,704.0000 | 59,314,389 | 1.20% | 0.03% |
| March 7, 2024 | Butterfly Network, Inc. | $BFLY | Pfeiffenberger Brent | President and CEO | A | Common Stock | 17425 | $0.00 | 1,470,704.0000 | 205,385,544 | 1.20% | 0.01% |
| March 7, 2024 | Butterfly Network, Inc. | $BFLY | Pfeiffenberger Brent | President and CEO | A | Stock Option (right to buy) | 104550 | $0.00 | 104,550.0000 | 205,385,544 | 9999.99% | 0.05% |