SEC Insider Transactions from Graham G. Walmsley.

Last updated: 2026-03-16 13:02 UTC | Total transactions: 35

Graham G. Walmsley bought Akero Therapeutics ($AKRO) shares on the open market three times in the last year, totaling about $8.8 million, with his most recent purchase on March 27, 2025. His purchases rank 124th among roughly 5,000 insiders, well above the average of $1.5 million across 3.3 transactions. He made no open market sales in 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
Dec. 9, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found D Common Stock 93000 $0.00 0.0000 82,316,179 100.00% 0.11%
Dec. 9, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found D Stock Option (Right to Buy) 15000 $0.00 0.0000 82,316,179 100.00% 0.02%
Dec. 9, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found D Common Stock 9398 $0.00 0.0000 82,316,179 100.00% 0.01%
Dec. 9, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found D Common Stock 1200000 $0.00 0.0000 82,316,179 100.00% 1.46%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Common Stock 23832 $19.97 1,293,000.0000 79,620,128 1.88% 0.03%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Stock Option (Right to Buy) 23832 $0.00 0.0000 79,620,128 100.00% 0.03%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Stock Option (Right to Buy) 26000 $0.00 0.0000 79,620,128 100.00% 0.03%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Stock Option (Right to Buy) 13000 $0.00 0.0000 79,620,128 100.00% 0.02%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Stock Option (Right to Buy) 13000 $0.00 0.0000 79,620,128 100.00% 0.02%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Stock Option (Right to Buy) 15000 $0.00 0.0000 79,620,128 100.00% 0.02%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Common Stock 26000 $23.02 1,228,168.0000 79,620,128 2.16% 0.03%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Common Stock 15000 $8.13 1,243,168.0000 79,620,128 1.22% 0.02%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Common Stock 13000 $26.32 1,256,168.0000 79,620,128 1.05% 0.02%
Oct. 8, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found M Common Stock 13000 $25.20 1,269,168.0000 79,620,128 1.03% 0.02%
June 11, 2025 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Not found A Stock Option (right to buy) 24150 $0.00 24,150.0000 58,743,522 9999.99% 0.04%
June 3, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found A Common Stock 9398 $0.00 1,211,566.0000 79,620,128 0.78% 0.01%
March 25, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found P Common Stock 91309 $44.75 1,093,477.0000 79,620,128 9.11% 0.11%
March 27, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found P Common Stock 50000 $43.55 1,202,168.0000 79,620,128 4.34% 0.06%
March 26, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found P Common Stock 58691 $43.01 1,152,168.0000 79,620,128 5.37% 0.07%
Jan. 30, 2025 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found P Common Stock 200000 $48.00 1,002,168.0000 0 24.93% 0.00%
Dec. 13, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director S Common Stock 700761 $6.75 708,114.0000 57,262,803 49.74% 1.22%
Dec. 13, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director P Common Stock 700761 $6.75 1,408,875.0000 57,262,803 98.96% 1.22%
Dec. 17, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director S Common Stock 700761 $6.75 0.0000 57,262,803 100.00% 1.22%
Dec. 17, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director P Common Stock 700761 $6.75 1,408,875.0000 57,262,803 33.22% 1.22%
June 4, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director S Common Stock 475000 $14.85 708,114.0000 45,247,098 40.15% 1.05%
June 4, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director S Common Stock 700000 $14.85 700,761.0000 45,247,098 49.97% 1.55%
June 14, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Not found A Stock Option (right to buy) 23000 $0.00 23,000.0000 45,247,098 9999.99% 0.05%
June 8, 2024 Akero Therapeutics, Inc. $AKRO Graham G. Walmsley Not found A Stock Option (Right to Buy) 26000 $0.00 26,000.0000 0 9999.99% 0.00%
June 4, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director S Common Stock 475000 $14.85 708,114.0000 45,247,098 40.15% 1.05%
June 4, 2024 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director S Common Stock 700000 $14.85 700,761.0000 45,247,098 49.97% 1.55%
Dec. 5, 2023 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director P Common Stock 31870 $14.73 4,283,875.0000 0 0.75% 0.00%
Sept. 12, 2023 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director P Common Stock 508130 $9.84 4,252,005.0000 0 13.57% 0.00%
Dec. 5, 2023 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director P Common Stock 50000 $13.09 4,383,875.0000 0 1.15% 0.00%
Dec. 5, 2023 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Director P Common Stock 50000 $14.95 4,333,875.0000 0 1.17% 0.00%
June 16, 2023 Olema Pharmaceuticals, Inc. $OLMA Graham G. Walmsley Not found A Stock Option (right to buy) 21520 $0.00 21,520.0000 0 9999.99% 0.00%