Insider Trading activities at Xilio Therapeutics, Inc. (XLO)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Xilio Therapeutics, Inc. (XLO) since 2021 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Xilio Therapeutics, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1840233.

Total stock buying since 2021: $35,088,401.
Total stock sales since 2021: $4,240.
Total stock option exercises since 2021: $0.


10 insiders reported insider trading activities at Xilio Therapeutics, Inc. (XLO):
Insider trading activities of Bay City Capital Llc
Insider trading activities of Four Pines Master Fund Lp
Insider trading activities of Rivervest Venture Fund Iv, L.p.
Insider trading activities of Russo Rene
Insider trading activities of Atlas Venture Associates Opportunity I, Llc
Insider trading activities of Gilead Sciences, Inc.
Insider trading activities of Atlas Venture Opportunity Fund I, L.p.
Insider trading activities of Shannon James Samuel
Insider trading activities of Deerfield Mgmt V, L.p.
Insider trading activities of Bcip Life Sciences Associates, Lp

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Xilio Therapeutics, Inc. (XLO).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 106,289 $72,771 0 $0 0 $0
2024 2,245,228 $2,199,167 5,235 $4,240 0 $0
2021 2,067,469 $32,816,463 0 $0 0 $0

Table 2. Monthly summary of insider trading at Xilio Therapeutics, Inc. (XLO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-06 106,289 $72,771 0 $0 0 $0
2024-12 1,759,978 $1,830,377 0 $0 0 $0
2024-04 485,250 $368,790 0 $0 0 $0
2024-02 0 $0 1,000 $640 0 $0
2024-01 0 $0 4,235 $3,600 0 $0
2021-12 42,469 $416,463 0 $0 0 $0
2021-10 2,025,000 $32,400,000 0 $0 0 $0

Table 3. Detailed insider trading at Xilio Therapeutics, Inc. (XLO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-06-17 Shannon James Samuel Buy 25,000 .69 17,225
2025-06-16 Russo Rene (PRESIDENT AND CEO) Buy 36,289 .68 24,676
2025-06-16 Shannon James Samuel Buy 45,000 .69 30,870
2024-12-18 Gilead Sciences, Inc. (10% Owner) Buy 1,759,978 1.04 1,830,377
2024-04-02 Gilead Sciences, Inc. (10% Owner) Buy 485,250 .76 368,790
2024-02-08 Atlas Venture Associates Opportunity I, Llc (10% Owner) Sale 1,000 .64 640
2024-01-12 Atlas Venture Associates Opportunity I, Llc (10% Owner) Sale 2,100 .83 1,743
2024-01-11 Atlas Venture Associates Opportunity I, Llc (10% Owner) Sale 2,135 .87 1,857
2021-12-10 Bcip Life Sciences Associates, Lp (10% Owner) Buy 25,000 9.90 247,500
2021-12-09 Bcip Life Sciences Associates, Lp (10% Owner) Buy 4,011 9.84 39,484
2021-12-08 Bcip Life Sciences Associates, Lp (10% Owner) Buy 13,458 9.62 129,479
2021-10-26 Four Pines Master Fund Lp Buy 500,000 16.00 8,000,000
2021-10-26 Deerfield Mgmt V, L.p. Buy 775,000 16.00 12,400,000
2021-10-26 Atlas Venture Opportunity Fund I, L.p. Buy 187,500 16.00 3,000,000
2021-10-26 Rivervest Venture Fund Iv, L.p. (10% Owner) Buy 250,000 16.00 4,000,000
2021-10-26 Bay City Capital Llc Buy 312,500 16.00 5,000,000

Insider trading activities including stock purchases, stock sales, and option exercises of XLO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Xilio Therapeutics, Inc. (symbol XLO, CIK number 1840233) see the Securities and Exchange Commission (SEC) website.



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