SEC Insider Transactions from Guyer William.

Last updated: 2026-03-24 23:02 UTC | Total transactions: 110

Guyer William, Chief Development Officer at Corcept Therapeutics ($CORT), sold common shares on the open market twenty-three times over the last year, totaling $16.2 million. His most recent sale occurred on March 4, 2026. These sales rank 789th among 11,678 individual insiders, surpassing the average sale amount of $8.6 million and average of 6.4 transactions. He made no open market purchases 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
March 20, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 11767 $36.01 2,231.0000 119,981,000 84.06% 0.01%
March 20, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock Option (right to buy) 11767 $0.00 210,000.0000 119,981,000 5.31% 0.01%
March 20, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 11767 $21.65 13,998.0000 119,981,000 527.43% 0.01%
March 4, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock Option (right to buy) 8233 $0.00 221,767.0000 119,981,000 3.58% 0.01%
March 4, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 8233 $21.65 10,464.0000 119,981,000 369.03% 0.01%
March 4, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 8233 $35.99 2,231.0000 119,981,000 78.68% 0.01%
March 2, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 498 $35.97 1,733.0000 119,981,000 40.32% 0.00%
March 2, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 498 $0.00 2,231.0000 119,981,000 28.74% 0.00%
Feb. 27, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Stock Option (right to buy) 140000 $0.00 140,000.0000 119,981,000 9999.99% 0.12%
Feb. 3, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 230,000.0000 119,981,000 8.00% 0.02%
Feb. 3, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $21.65 21,235.0000 119,981,000 1619.43% 0.02%
Feb. 3, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 20000 $40.87 1,235.0000 119,981,000 94.18% 0.02%
Jan. 6, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $21.65 21,235.0000 119,981,000 1619.43% 0.02%
Jan. 6, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 250,000.0000 119,981,000 7.41% 0.02%
Jan. 6, 2026 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 20000 $35.18 1,235.0000 119,981,000 94.18% 0.02%
Nov. 25, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 4500 $80.90 787.0000 119,981,000 85.11% 0.00%
Nov. 17, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer J Common Stock 5287 $0.00 5,287.0000 119,981,000 9999.99% 0.00%
Nov. 17, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer G Common Stock 5287 $0.00 787.0000 119,981,000 87.04% 0.00%
Dec. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 270,000.0000 119,981,000 6.90% 0.02%
Dec. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 640 $80.88 1,235.0000 119,981,000 34.13% 0.00%
Dec. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 19360 $80.05 1,875.0000 119,981,000 91.17% 0.02%
Dec. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $21.65 21,235.0000 119,981,000 1619.43% 0.02%
Dec. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer J Common Stock 787 $0.00 1,235.0000 119,981,000 175.67% 0.00%
Dec. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer G Common Stock 787 $0.00 1,235.0000 119,981,000 38.92% 0.00%
Dec. 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 224 $0.00 448.0000 119,981,000 100.00% 0.00%
Dec. 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 224 $79.78 224.0000 119,981,000 9999.99% 0.00%
Nov. 25, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 4500 $80.90 787.0000 119,981,000 85.11% 0.00%
Nov. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 6536 $74.75 18,751.0000 119,981,000 25.85% 0.01%
Nov. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 290,000.0000 119,981,000 6.45% 0.02%
Nov. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 300 $76.28 5,287.0000 119,981,000 5.37% 0.00%
Nov. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 13164 $75.64 5,587.0000 119,981,000 70.20% 0.01%
Nov. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $21.65 25,287.0000 119,981,000 378.29% 0.02%
Oct. 7, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 20000 $89.94 5,287.0000 119,981,000 79.09% 0.02%
Oct. 7, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 310,000.0000 119,981,000 6.06% 0.02%
Oct. 7, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $21.65 25,287.0000 119,981,000 378.29% 0.02%
Sept. 19, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer G Common Stock 200 $0.00 5,287.0000 113,480,000 3.64% 0.00%
Sept. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 330,000.0000 113,480,000 5.71% 0.02%
Sept. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $21.65 25,487.0000 113,480,000 364.50% 0.02%
Sept. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 15594 $70.39 9,893.0000 113,480,000 61.18% 0.01%
Sept. 2, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 4406 $70.85 5,487.0000 113,480,000 44.54% 0.00%
Aug. 8, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 35007 $71.77 5,487.0000 113,480,000 86.45% 0.03%
Aug. 8, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 35007 $21.65 40,494.0000 113,480,000 638.00% 0.03%
Aug. 8, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 35007 $0.00 350,000.0000 113,480,000 9.09% 0.03%
Aug. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 14 $0.00 385,007.0000 113,480,000 0.00% 0.00%
Aug. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 14 $71.77 5,487.0000 113,480,000 0.25% 0.00%
Aug. 5, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 14 $21.65 5,501.0000 113,480,000 0.26% 0.00%
July 18, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 500 $0.00 385,021.0000 113,480,000 0.13% 0.00%
July 18, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 500 $73.44 5,487.0000 113,480,000 8.35% 0.00%
July 18, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 500 $21.65 5,987.0000 113,480,000 9.11% 0.00%
July 17, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 4379 $73.48 5,487.0000 113,480,000 44.38% 0.00%
July 17, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 4379 $21.65 9,866.0000 113,480,000 79.81% 0.00%
July 17, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 4379 $0.00 385,521.0000 113,480,000 1.12% 0.00%
July 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 100 $73.51 5,487.0000 113,480,000 1.79% 0.00%
July 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 100 $21.65 5,587.0000 113,480,000 1.82% 0.00%
July 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 100 $0.00 389,900.0000 113,480,000 0.03% 0.00%
June 10, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 3082 $72.75 5,487.0000 113,480,000 35.97% 0.00%
June 10, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $21.65 25,487.0000 113,480,000 364.50% 0.02%
June 10, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 16918 $72.36 8,569.0000 113,480,000 66.38% 0.01%
June 10, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 390,000.0000 113,480,000 4.88% 0.02%
May 16, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 32262 $74.17 5,487.0000 113,480,000 85.46% 0.03%
May 16, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 32262 $21.65 37,749.0000 113,480,000 587.97% 0.03%
May 16, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 32262 $0.00 410,000.0000 113,480,000 7.29% 0.03%
May 6, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 7060 $74.31 5,487.0000 113,480,000 56.27% 0.01%
May 6, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 7060 $21.65 12,547.0000 113,480,000 128.67% 0.01%
May 6, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 7060 $0.00 442,262.0000 113,480,000 1.57% 0.01%
April 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 678 $114.51 5,487.0000 113,480,000 11.00% 0.00%
April 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 678 $21.65 6,165.0000 113,480,000 12.36% 0.00%
April 1, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 678 $0.00 449,322.0000 113,480,000 0.15% 0.00%
March 4, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 20000 $0.00 30,000.0000 113,480,000 40.00% 0.02%
March 4, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 20000 $19.26 25,487.0000 113,480,000 364.50% 0.02%
March 4, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 20000 $59.07 5,487.0000 113,480,000 78.47% 0.02%
Feb. 28, 2025 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Stock option (right to buy) 140000 $0.00 140,000.0000 113,480,000 9999.99% 0.12%
Dec. 2, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer F Common Stock 309 $57.68 5,487.0000 113,723,000 5.33% 0.00%
Nov. 4, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 3394 $0.00 450,000.0000 113,723,000 0.75% 0.00%
Nov. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 6606 $0.00 453,394.0000 113,723,000 1.44% 0.01%
Nov. 4, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 3394 $48.97 5,796.0000 113,723,000 36.93% 0.00%
Nov. 4, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 3394 $21.65 9,190.0000 113,723,000 58.56% 0.00%
Nov. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 6606 $48.97 5,796.0000 113,723,000 53.27% 0.01%
Nov. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 6606 $21.65 12,402.0000 113,723,000 113.98% 0.01%
Oct. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 10000 $46.28 5,796.0000 113,723,000 63.31% 0.01%
Oct. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 10000 $21.65 15,796.0000 113,723,000 172.53% 0.01%
Oct. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 10000 $0.00 460,000.0000 113,723,000 2.13% 0.01%
Sept. 3, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 10000 $35.30 6,039.0000 111,742,000 62.35% 0.01%
Sept. 3, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 10000 $21.65 16,039.0000 111,742,000 165.59% 0.01%
Sept. 3, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 10000 $0.00 470,000.0000 111,742,000 2.08% 0.01%
Sept. 3, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer F Common Stock 243 $35.30 5,796.0000 111,742,000 4.02% 0.00%
Aug. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 10000 $38.67 6,039.0000 111,742,000 62.35% 0.01%
Aug. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 10000 $21.65 16,039.0000 111,742,000 165.59% 0.01%
Aug. 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 10000 $0.00 480,000.0000 111,742,000 2.04% 0.01%
July 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 10000 $21.65 16,039.0000 111,742,000 165.59% 0.01%
July 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 10000 $0.00 490,000.0000 111,742,000 2.00% 0.01%
July 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 10000 $32.49 6,039.0000 111,742,000 62.35% 0.01%
June 3, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 10000 $19.26 16,039.0000 111,742,000 165.59% 0.01%
June 3, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 10000 $0.00 50,000.0000 111,742,000 16.67% 0.01%
June 3, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 10000 $32.00 6,039.0000 111,742,000 62.35% 0.01%
May 28, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 30000 $19.26 36,039.0000 111,742,000 496.77% 0.03%
May 28, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock option (right to buy) 30000 $0.00 60,000.0000 111,742,000 33.33% 0.03%
May 28, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 30000 $32.00 6,039.0000 111,742,000 83.24% 0.03%
March 1, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer F Common Stock 604 $24.06 6,039.0000 111,742,000 9.09% 0.00%
Feb. 9, 2024 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Stock option (right to buy) 200000 $0.00 200,000.0000 111,742,000 9999.99% 0.18%
Dec. 22, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer S Common Stock 10000 $32.00 6,643.0000 115,966,000 60.09% 0.01%
Dec. 22, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Common Stock 10000 $19.26 16,643.0000 115,966,000 150.53% 0.01%
Dec. 22, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer M Stock Option (right to buy) 10000 $0.00 90,000.0000 115,966,000 10.00% 0.01%
Dec. 1, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 609 $0.00 6,643.0000 115,966,000 10.09% 0.00%
Dec. 1, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 609 $25.97 6,034.0000 115,966,000 11.23% 0.00%
Sept. 1, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 478 $33.10 5,266.0000 115,966,000 9.98% 0.00%
Sept. 1, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 478 $0.00 5,744.0000 115,966,000 9.08% 0.00%
March 1, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 1472 $19.86 3,316.0000 115,966,000 79.83% 0.00%
March 1, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Common Stock 1472 $0.00 4,788.0000 115,966,000 44.39% 0.00%
Feb. 13, 2023 CORCEPT THERAPEUTICS INC $CORT Guyer William Chief Development Officer A Stock option (right to buy) 200000 $0.00 200,000.0000 115,966,000 9999.99% 0.17%