Bertrand William C JR, Chief Operating Officer of Adaptimmune Therapeutics PLC (ADAPY), made one open market sale of ADAPY shares in the last year, totaling $2,091. His most recent sale occurred on August 28, 2025. This activity ranks 11,497th among 11,678 insiders in our database, well below the average sale amount of $8.6 million across about 6.4 transactions. He reported no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug. 28, 2025 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | Ordinary Shares with a nominal value of GBP0.001 per share | 207000 | $0.01 | 986,352.0000 | 1,584,522,868 | 17.35% | 0.01% |
| June 18, 2025 | ARDELYX, INC. | $ARDX | Bertrand William C JR | Director | A | Common Stock | 41551 | $0.00 | 290,707.0000 | 238,356,222 | 16.68% | 0.02% |
| June 18, 2025 | ARDELYX, INC. | $ARDX | Bertrand William C JR | Director | A | Common Stock | 19390 | $0.00 | 249,156.0000 | 238,356,222 | 8.44% | 0.01% |
| June 18, 2025 | ARDELYX, INC. | $ARDX | Bertrand William C JR | Director | A | Stock Option (Right to Buy) | 54059 | $0.00 | 54,059.0000 | 238,356,222 | 9999.99% | 0.02% |
| Feb. 20, 2025 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | A | Option to purchase Ordinary Shares | 1612032 | $0.00 | 1,612,032.0000 | 1,513,810,852 | 9999.99% | 0.11% |
| Feb. 20, 2025 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | A | Option to purchase Ordinary Shares | 1074696 | $0.00 | 1,074,696.0000 | 1,513,810,852 | 9999.99% | 0.07% |
| Jan. 17, 2025 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 5584 | $0.58 | 7,510.0000 | 1,513,810,852 | 42.65% | 0.00% |
| Jan. 15, 2025 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 9803 | $0.57 | 13,756.0000 | 1,513,810,852 | 41.61% | 0.00% |
| Jan. 13, 2025 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 5471 | $0.59 | 7,623.0000 | 1,513,810,852 | 41.78% | 0.00% |
| Jan. 13, 2025 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 4268 | $0.59 | 5,845.0000 | 1,513,810,852 | 42.20% | 0.00% |
| June 14, 2024 | ARDELYX, INC. | $ARDX | Bertrand William C JR | Director | A | Stock Option (Right to Buy) | 40243 | $0.00 | 40,243.0000 | 0 | 9999.99% | 0.00% |
| June 14, 2024 | ARDELYX, INC. | $ARDX | Bertrand William C JR | Director | A | Common Stock | 11023 | $0.00 | 229,766.0000 | 0 | 5.04% | 0.00% |
| Jan. 16, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 4681 | $0.79 | 7,023.0000 | 1,206,440,978 | 39.99% | 0.00% |
| Jan. 17, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 5309 | $0.67 | 7,785.0000 | 1,206,440,978 | 40.55% | 0.00% |
| Jan. 17, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 13599 | $0.67 | 20,201.0000 | 1,206,440,978 | 40.23% | 0.00% |
| Jan. 15, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | A | Option to purchase Ordinary Shares | 2544432 | $0.00 | 2,544,432.0000 | 1,206,440,978 | 9999.99% | 0.21% |
| Jan. 15, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | A | Option to purchase Ordinary Shares | 565416 | $0.00 | 565,416.0000 | 1,206,440,978 | 9999.99% | 0.05% |
| Jan. 12, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 5220 | $0.85 | 7,874.0000 | 1,206,440,978 | 39.87% | 0.00% |
| Jan. 11, 2024 | Adaptimmune Therapeutics PLC | $ADAPY | Bertrand William C JR | Chief Operating Officer | S | American Depositary Shares representing Ordinary Shares | 4009 | $0.84 | 6,104.0000 | 1,206,440,978 | 39.64% | 0.00% |