SEC Insider Transactions from CHAO DAVID M.

Last updated: 2026-03-14 11:26 UTC | Total transactions: 20

David Chao, Chief Administrative Officer at Centessa Pharmaceuticals plc ($CNTA), sold shares on the open market twice in the last year, totaling about $120 thousand. His most recent sale occurred on March 17, 2025. These sales rank 9,309th among 11,678 insiders, below the average of $8.6 million per seller and 6.4 transactions. Chao made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 17, 2025 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer M Ordinary Shares 3500 $3.85 232,007.0000 133,184,349 1.53% 0.00%
March 17, 2025 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer S Ordinary Shares 5478 $17.08 226,529.0000 133,184,349 2.36% 0.00%
March 17, 2025 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer S Ordinary Shares 1522 $17.50 225,007.0000 133,184,349 0.67% 0.00%
March 17, 2025 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer M Share Option (right to buy) 3500 $0.00 111,500.0000 133,184,349 3.04% 0.00%
Feb. 1, 2025 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 13324 $16.92 228,507.0000 0 5.51% 0.00%
Dec. 31, 2024 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 10385 $16.35 241,831.0000 0 4.12% 0.00%
Sept. 30, 2024 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 10385 $15.79 252,216.0000 0 3.95% 0.00%
June 30, 2024 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 10385 $9.03 262,601.0000 0 3.80% 0.00%
March 31, 2024 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 10385 $11.30 272,986.0000 0 3.66% 0.00%
Feb. 1, 2024 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer A Ordinary Shares 37500 $0.00 292,874.0000 0 14.68% 0.00%
Feb. 1, 2024 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 9503 $8.19 283,371.0000 0 3.24% 0.00%
Feb. 1, 2024 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer A Share Option (right to buy) 150000 $0.00 150,000.0000 0 9999.99% 0.00%
Dec. 31, 2023 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 10419 $7.96 255,374.0000 0 3.92% 0.00%
Sept. 30, 2023 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 10419 $6.47 265,793.0000 0 3.77% 0.00%
June 30, 2023 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 10419 $5.90 276,212.0000 0 3.63% 0.00%
March 31, 2023 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 6969 $3.90 286,631.0000 0 2.37% 0.00%
Feb. 1, 2023 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer A Ordinary Shares 77200 $0.00 293,600.0000 0 35.67% 0.00%
Feb. 1, 2023 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer A Share Option (right to buy) 115000 $0.00 115,000.0000 0 9999.99% 0.00%
Sept. 30, 2022 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 9211 $4.25 221,289.0000 0 4.00% 0.00%
Dec. 31, 2022 Centessa Pharmaceuticals plc $CNTA CHAO DAVID M Chief Administrative Officer F Ordinary Shares 4889 $3.10 225,611.0000 0 2.12% 0.00%