SEC Insider Transactions from Brennan Kevin M..

Last updated: 2026-03-14 11:42 UTC | Total transactions: 18

Brennan Kevin M., SVP of Finance and Accounting, sold Xilio Therapeutics ($XLO) shares once on the open market in the last year, totaling $1,174. His most recent sale occurred on January 2, 2026. These sales rank 11,537th among 11,678 insiders, far below the average of $8.6 million per seller and 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
Jan. 1, 2026 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING M Common Stock 5000 $0.00 8,197.0000 144,106,869 156.40% 0.00%
Jan. 1, 2026 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING M Restricted Stock Units 5000 $0.00 10,000.0000 144,106,869 33.33% 0.00%
Dec. 31, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 95221 $0.00 95,221.0000 144,106,869 9999.99% 0.07%
Jan. 2, 2026 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING S Common Stock 1826 $0.64 6,371.0000 144,106,869 22.28% 0.00%
Nov. 21, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 55000 $0.00 55,000.0000 144,106,869 9999.99% 0.04%
Nov. 21, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 131700 $0.00 131,700.0000 144,106,869 9999.99% 0.09%
Nov. 21, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING D Stock Option (right to buy) 55000 $0.00 0.0000 144,106,869 100.00% 0.04%
Nov. 21, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING D Stock Option (right to buy) 25000 $0.00 0.0000 144,106,869 100.00% 0.02%
Nov. 21, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 25000 $0.00 25,000.0000 144,106,869 9999.99% 0.02%
Nov. 21, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING D Stock Option (right to buy) 20000 $0.00 0.0000 144,106,869 100.00% 0.01%
Nov. 21, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 20000 $0.00 20,000.0000 144,106,869 9999.99% 0.01%
Jan. 1, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING M Restricted Stock Units 5000 $0.00 15,000.0000 63,465,063 25.00% 0.01%
Jan. 1, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 60000 $0.00 60,000.0000 63,465,063 9999.99% 0.09%
Jan. 2, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING S Common stock 1803 $0.98 3,197.0000 63,465,063 36.06% 0.00%
Jan. 1, 2025 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING M Common Stock 5000 $0.00 5,000.0000 63,465,063 9999.99% 0.01%
Oct. 1, 2024 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 26000 $0.00 26,000.0000 63,465,063 9999.99% 0.04%
May 1, 2024 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Stock Option (right to buy) 20000 $0.00 20,000.0000 0 9999.99% 0.00%
Jan. 1, 2024 Xilio Therapeutics, Inc. $XLO Brennan Kevin M. SVP, FINANCE AND ACCOUNTING A Restricted Stock Units 20000 $0.00 20,000.0000 0 9999.99% 0.00%