Russo Rene bought XLO

December 31, 2025 · Form 4 insider transaction

Russo Rene bought 1,500,258 shares of Xilio Therapeutics, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 5 days after the transaction.

Direction
Acquired (buy-side)
Shares
1,500,258
Price
$0.00
Total value
N/A
InsiderRusso Rene
RoleOfficer, Director
SecurityStock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateDecember 31, 2025
Filing dateJanuary 5, 2026
Shares owned after1,500,258
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

On October 8, 2025, the Board of Directors (the "Board") approved the adoption of the Xilio Therapeutics, Inc. 2025 Stock Incentive Plan (the "2025 Plan"), subject to stockholder approval of the adoption of the 2025 Plan. On October 8, 2025, the Compensation Committee of the Board granted these options (referred to as "Tranche 3 Options" in the 2025 Plan) to the Reporting Person, subject to stockholder approval of the adoption of the 2025 Plan. The stockholders approved the adoption of the 2025 Plan on November 21, 2025. On December 31, 2025, the performance criteria for a portion of the Tranche 3 Options was met.; The portion of Tranche 3 Options that achieved the vesting condition is equal to the percentage of the Series B Warrants exercised and/or cancelled due to the receipt by Xilio Therapeutics, Inc. of Non-Dilutive Capital (as defined in the Series B Warrants) by December 31, 2025.; This option vests in three (3) equal annual installments over the three-year period beginning on December 31, 2025, subject to the Reporting Person's continued service to the registrant through each applicable vesting date.

View the original Form 4 on SEC EDGAR