SEC Insider Transactions from GORDON CARL L.

Last updated: 2026-03-14 11:43 UTC | Total transactions: 57

Carl L. Gordon, a director at Compass Therapeutics ($CMPX), sold shares worth $5.7 million on the open market once in the past year. His most recent sale occurred on April 9, 2025. This activity ranks him 1,767th among 11,678 insiders by sales value, below the average of $8.6 million across about 6.4 transactions. He reported no open market purchases in the last 365 days.

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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
Jan. 2, 2026 Compass Therapeutics, Inc. $CMPX GORDON CARL L Director A Stock Option (Right to Buy) 90000 $0.00 90,000.0000 177,862,102 9999.99% 0.05%
Nov. 21, 2025 Keros Therapeutics, Inc. $KROS GORDON CARL L Director D Common Stock 140057 $17.75 759,155.0000 41,202,371 15.58% 0.34%
Nov. 21, 2025 Keros Therapeutics, Inc. $KROS GORDON CARL L Director D Common Stock 74465 $17.75 45,057.0000 41,202,371 62.30% 0.18%
June 4, 2025 Keros Therapeutics, Inc. $KROS GORDON CARL L Not found A Common Stock 5250 $0.00 1,023,984.0000 37,437,652 0.52% 0.01%
June 4, 2025 Keros Therapeutics, Inc. $KROS GORDON CARL L Not found A Stock Option (right to buy) 10500 $0.00 10,500.0000 37,437,652 9999.99% 0.03%
April 9, 2025 Compass Therapeutics, Inc. $CMPX GORDON CARL L Director S Common Stock 3571428 $1.59 15,219,994.0000 138,282,498 19.01% 2.58%
Feb. 14, 2025 MBX Biosciences, Inc. $MBX GORDON CARL L Director P Common Stock 17962 $9.90 3,176,390.0000 0 0.57% 0.00%
Feb. 18, 2025 MBX Biosciences, Inc. $MBX GORDON CARL L Director P Common Stock 94100 $10.84 747,887.0000 0 14.39% 0.00%
Feb. 14, 2025 MBX Biosciences, Inc. $MBX GORDON CARL L Director P Common Stock 29540 $9.85 3,205,930.0000 0 0.93% 0.00%
Feb. 18, 2025 MBX Biosciences, Inc. $MBX GORDON CARL L Director P Common Stock 49070 $10.84 3,255,000.0000 0 1.53% 0.00%
Feb. 11, 2025 Compass Therapeutics, Inc. $CMPX GORDON CARL L Director A Stock Option (Right to Buy) 40000 $0.00 40,000.0000 0 9999.99% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found C Common Stock 403787 $0.00 3,562,215.0000 0 12.78% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found P Common Stock 500000 $16.00 3,812,215.0000 0 15.10% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found P Common Stock 250000 $16.00 3,812,215.0000 0 7.02% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found C Series A Convertible Preferred Stock 12372634 $0.00 0.0000 0 100.00% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found C Series B Convertible Preferred Stock 19587284 $0.00 0.0000 0 100.00% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found C Series C Convertible Preferred Stock 4854368 $0.00 0.0000 0 100.00% 0.00%
Sept. 16, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found C Common Stock 2658428 $0.00 3,312,215.0000 0 406.62% 0.00%
Sept. 12, 2024 MBX Biosciences, Inc. $MBX GORDON CARL L Not found A Stock Option (Right to Buy) 15963 $0.00 15,963.0000 0 9999.99% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found D Stock Option (Right to Buy) 18500 $0.00 0.0000 0 100.00% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found A Stock Option (Right to Buy) 18500 $0.00 18,500.0000 0 9999.99% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found D Stock Option (Right to Buy) 26400 $0.00 0.0000 0 100.00% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found A Stock Option (Right to Buy) 26400 $0.00 26,400.0000 0 9999.99% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found A Stock Option (Right to Buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found D Stock Option (Right to Buy) 30000 $0.00 0.0000 0 100.00% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found A Stock Option (Right to Buy) 18500 $0.00 18,500.0000 0 9999.99% 0.00%
Aug. 21, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found D Stock Option (Right to Buy) 18500 $0.00 0.0000 0 100.00% 0.00%
Aug. 13, 2024 Keros Therapeutics, Inc. $KROS GORDON CARL L Director S Common Stock 29400 $44.01 119,522.0000 29,447,119 19.74% 0.10%
Aug. 13, 2024 Keros Therapeutics, Inc. $KROS GORDON CARL L Director S Common Stock 220600 $44.01 899,212.0000 29,447,119 19.70% 0.75%
July 16, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Director S Common Stock 4009 $10.00 4,839,412.0000 71,259,239 0.08% 0.01%
July 16, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Director S Common Stock 556 $10.00 1,967,924.0000 71,259,239 0.03% 0.00%
July 16, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Director S Common Stock 623 $10.00 755,635.0000 71,259,239 0.08% 0.00%
July 15, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Director S Common Stock 39433 $10.00 4,843,421.0000 71,259,239 0.81% 0.06%
July 15, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Director S Common Stock 5401 $10.00 1,968,480.0000 71,259,239 0.27% 0.01%
July 15, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Director S Common Stock 6142 $10.00 756,258.0000 71,259,239 0.81% 0.01%
July 1, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Not found A Stock Option (Right to Buy) 4676 $0.00 4,676.0000 71,259,239 9999.99% 0.01%
June 10, 2024 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Not found A Stock Option (Right to Buy) 32000 $0.00 32,000.0000 71,259,239 9999.99% 0.04%
June 5, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found A Stock Option (Right to Buy) 26400 $0.00 26,400.0000 0 9999.99% 0.00%
June 5, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found A Common Stock 5900 $0.00 11,458,940.0000 0 0.05% 0.00%
May 30, 2024 Keros Therapeutics, Inc. $KROS GORDON CARL L Not found A Stock Option (right to buy) 10000 $0.00 10,000.0000 29,447,119 9999.99% 0.03%
Feb. 9, 2024 Compass Therapeutics, Inc. $CMPX GORDON CARL L Director A Stock Option (Right to Buy) 40000 $0.00 40,000.0000 0 9999.99% 0.00%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Common Stock 821827 $0.00 821,827.0000 2,140,951 9999.99% 38.39%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Common Stock 469615 $0.00 1,291,442.0000 2,140,951 57.14% 21.94%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Common Stock 469615 $0.00 1,291,442.0000 2,140,951 57.14% 21.94%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director P Common Stock 222222 $18.00 1,513,664.0000 2,140,951 17.21% 10.38%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director P Common Stock 222222 $18.00 1,513,664.0000 2,140,951 17.21% 10.38%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Series A Preferred Stock 821827 $0.00 0.0000 2,140,951 100.00% 38.39%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Series A Preferred Stock 821827 $0.00 0.0000 2,140,951 100.00% 38.39%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Series B Preferred Stock 469615 $0.00 0.0000 2,140,951 100.00% 21.94%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Series B Preferred Stock 469615 $0.00 0.0000 2,140,951 100.00% 21.94%
Jan. 30, 2024 ArriVent BioPharma, Inc. $AVBP GORDON CARL L Director C Common Stock 821827 $0.00 821,827.0000 2,140,951 9999.99% 38.39%
Jan. 25, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found P Common Stock 242200 $2.40 2,664,796.0000 0 10.00% 0.00%
Jan. 25, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found P Common Stock 1041700 $2.40 2,930,527.0000 0 55.15% 0.00%
Jan. 25, 2024 Adicet Bio, Inc. $ACET GORDON CARL L Not found P Common Stock 1841100 $2.40 9,200,901.0000 0 25.02% 0.00%
June 12, 2023 Terns Pharmaceuticals, Inc. $TERN GORDON CARL L Not found A Stock Option (Right to Buy) 32000 $0.00 32,000.0000 0 9999.99% 0.00%
June 6, 2023 Keros Therapeutics, Inc. $KROS GORDON CARL L Director A Stock Option (right to buy) 10000 $0.00 10,000.0000 25,241,030 9999.99% 0.04%
Feb. 8, 2023 Compass Therapeutics, Inc. $CMPX GORDON CARL L Director A Stock Option (Right to Buy) 60000 $0.00 60,000.0000 0 9999.99% 0.00%