SEC Insider Transactions from Newton Charles W..

Last updated: 2026-03-14 11:57 UTC | Total transactions: 25

Newton Charles W., CFO of Lyell Immunopharma ($LYEL), bought shares once on the open market in the last year, totaling about $112 thousand, with the latest purchase on March 17, 2025. This ranks him 2,045th among 4,983 insiders by purchase value, well below the average of $1.5 million across 3.3 transactions. He sold shares three times for about $18 thousand total, most recently on August 21, 2025, ranking 11,082nd out of 11,678 insiders, far under the average $8.6 million across 6.4 transactions.

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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 9, 2026 Keros Therapeutics, Inc. $KROS Newton Charles W. Not found A Common Stock 13215 $0.00 13,215.0000 41,202,371 9999.99% 0.03%
March 9, 2026 Keros Therapeutics, Inc. $KROS Newton Charles W. Not found A Stock Option (Right to Buy) 14788 $0.00 14,788.0000 41,202,371 9999.99% 0.04%
Aug. 20, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Common Stock 8000 $0.00 26,759.0000 295,228,868 42.65% 0.00%
Aug. 21, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer S Common Stock 1453 $10.54 25,306.0000 295,228,868 5.43% 0.00%
Aug. 12, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer S Common Stock 136 $10.34 18,759.0000 295,228,868 0.72% 0.00%
Aug. 11, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer S Common Stock 131 $10.53 18,895.0000 295,228,868 0.69% 0.00%
June 12, 2025 Coherus Oncology, Inc. $CHRS Newton Charles W. Not found A Stock Option (Right to Buy) 112000 $0.00 112,000.0000 115,857,780 9999.99% 0.10%
April 25, 2025 NOVAVAX INC $NVAX Newton Charles W. Director A Restricted Stock Units 28560 $0.00 28,560.0000 152,190,000 9999.99% 0.02%
April 25, 2025 NOVAVAX INC $NVAX Newton Charles W. Director A Stock Option (Right to buy) 42840 $0.00 42,840.0000 152,190,000 9999.99% 0.03%
March 17, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer P Common Stock 200000 $0.56 372,725.0000 295,228,868 115.79% 0.07%
Feb. 10, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Option (right to buy) 56250 $0.00 56,250.0000 0 9999.99% 0.00%
Feb. 10, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Common Stock 112500 $0.00 172,725.0000 0 186.80% 0.00%
Feb. 10, 2025 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Option (right to buy) 450000 $0.00 450,000.0000 0 9999.99% 0.00%
June 3, 2024 Coherus Oncology, Inc. $CHRS Newton Charles W. Not found A Stock Option (Right to Buy) 112000 $0.00 112,000.0000 112,749,306 9999.99% 0.10%
Feb. 9, 2024 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Common Stock 40000 $0.00 48,729.0000 0 458.24% 0.00%
Feb. 9, 2024 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Stock Option (right to buy) 400000 $0.00 400,000.0000 0 9999.99% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer D Stock Option (right to buy) 3612000 $0.00 0.0000 0 100.00% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer D Stock Option (right to buy) 190000 $0.00 0.0000 0 100.00% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Stock Option (right to buy) 516000 $0.00 516,000.0000 0 9999.99% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer D Stock Option (right to buy) 516000 $0.00 0.0000 0 100.00% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Stock Option (right to buy) 500000 $0.00 500,000.0000 0 9999.99% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer D Stock Option (right to buy) 500000 $0.00 0.0000 0 100.00% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Stock Option (right to buy) 190000 $0.00 190,000.0000 0 9999.99% 0.00%
Nov. 16, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Stock Option (right to buy) 3612000 $0.00 3,612,000.0000 0 9999.99% 0.00%
Feb. 24, 2023 Lyell Immunopharma, Inc. $LYEL Newton Charles W. Chief Financial Officer A Option (right to buy) 700000 $0.00 700,000.0000 0 9999.99% 0.00%