SEC Insider Transactions from Lubner David Charles.

Last updated: 2026-03-14 11:45 UTC | Total transactions: 16

Lubner David Charles sold Arcellx Inc. ($ACLX) shares once on the open market in the last year, totaling $450,000, with the most recent sale on January 20, 2026. His sales rank 6,705th among 11,678 individual insiders, below the average of 8.6 million per seller and 6.4 transactions. He made no open market purchases of ACLX stock.

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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. 20, 2026 Arcellx, Inc. $ACLX Lubner David Charles Not found M Stock Option (right to buy) 6000 $0.00 59,405.0000 57,822,871 9.17% 0.01%
Jan. 20, 2026 Arcellx, Inc. $ACLX Lubner David Charles Not found S Common Stock 6000 $75.00 21,659.0000 57,822,871 21.69% 0.01%
Jan. 20, 2026 Arcellx, Inc. $ACLX Lubner David Charles Not found M Common Stock 6000 $6.28 27,659.0000 57,822,871 27.70% 0.01%
Aug. 19, 2025 CARGO Therapeutics, Inc. $CRGX Lubner David Charles Not found D Stock Option (Right to Buy) 25000 $0.00 0.0000 48,364,311 100.00% 0.05%
June 23, 2025 CRESCENT BIOPHARMA, INC. $CBIO Lubner David Charles Director A Stock Option (Right to Buy) 9023 $0.00 9,023.0000 0 9999.99% 0.00%
June 18, 2025 CARGO Therapeutics, Inc. $CRGX Lubner David Charles Not found A Stock Option (Right to Buy) 25000 $0.00 25,000.0000 46,052,368 9999.99% 0.05%
May 30, 2025 Dyne Therapeutics, Inc. $DYN Lubner David Charles Not found A Stock option (right to buy) 35000 $0.00 35,000.0000 113,121,357 9999.99% 0.03%
May 29, 2025 Arcellx, Inc. $ACLX Lubner David Charles Not found A Stock Option (right to buy) 9174 $0.00 9,174.0000 54,944,012 9999.99% 0.02%
May 22, 2025 Vor Biopharma Inc. $VOR Lubner David Charles Not found A Stock Option (Right to Buy) 30000 $0.00 30,000.0000 124,851,547 9999.99% 0.02%
May 28, 2024 Arcellx, Inc. $ACLX Lubner David Charles Not found A Stock Option (right to buy) 8011 $0.00 8,011.0000 0 9999.99% 0.00%
June 4, 2024 CARGO Therapeutics, Inc. $CRGX Lubner David Charles Not found A Stock Option (Right to Buy) 23742 $0.00 23,742.0000 0 9999.99% 0.00%
May 23, 2024 Vor Biopharma Inc. $VOR Lubner David Charles Not found A Stock Option (Right to Buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
May 22, 2024 Dyne Therapeutics, Inc. $DYN Lubner David Charles Not found A Stock option (right to buy) 25133 $0.00 25,133.0000 0 9999.99% 0.00%
June 14, 2023 Arcellx, Inc. $ACLX Lubner David Charles Director A Stock Option (right to buy) 11459 $0.00 11,459.0000 0 9999.99% 0.00%
May 26, 2023 Vor Biopharma Inc. $VOR Lubner David Charles Director A Stock Option (right to buy) 30000 $0.00 30,000.0000 0 9999.99% 0.00%
May 24, 2023 Dyne Therapeutics, Inc. $DYN Lubner David Charles Director A Stock Option (right to buy) 24900 $0.00 24,900.0000 0 9999.99% 0.00%