Filing Details

Accession Number:
0001104659-21-130031
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-10-26 17:04:25
Reporting Period:
2021-10-26
Accepted Time:
2021-10-26 17:04:25
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1840233 Xilio Therapeutics Inc. XLO () DE
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1595725 Rock Springs Capital Management Lp 650 South Exeter St., Suite 1070
Baltimore, MD 21202
No No Yes No
1735393 Rock Springs Capital Master Fund Lp 190 Elgin Avenue
George Town E9 KY1 9001
No No Yes No
1735397 Rock Springs Capital Llc 650 South Exeter Street
Suite 1070
Baltimore MD 21202
No No Yes No
1888685 Four Pines Master Fund Lp 650 South Exeter Street
Suite 1070
Baltimore MD 21202
No No Yes No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2021-10-26 756,472 $0.00 756,472 No 4 C Indirect See footnote
Common Stock Acquisiton 2021-10-26 151,294 $0.00 151,294 No 4 C Indirect See footnote
Common Stock Acquisiton 2021-10-26 500,000 $16.00 1,256,472 No 4 P Indirect See footnote
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 C Indirect See footnote
No 4 C Indirect See footnote
No 4 P Indirect See footnote
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Series C Preferred Stock Disposition 2021-10-26 7,186,490 $0.00 756,472 $0.00
Common Stock Series C Preferred Stock Disposition 2021-10-26 1,437,297 $0.00 151,294 $0.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 No 4 C Indirect
0 No 4 C Indirect
Footnotes
  1. The Series C Preferred Stock converted into shares of the Issuer's common stock, $0.001 par value, on a 9.5:1 basis automatically immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.
  2. The securities reported herein are held of record by Rock Springs Capital Master Fund LP ("Master Fund"). Rock Springs Capital LLC ("RSC") is the general partner of Rock Springs Capital Management LP ("RSCM") which is the investment manager to Master Fund. RSC and RSCM may therefore be deemed to have or share beneficial ownership of the shares held directly by Master Fund.
  3. The securities reported herein are held of record by Four Pines Master Fund LP ("Four Pines"). RSC is the general partner of RSCM which is the investment manager to Four Pines. RSC and RSCM may therefore be deemed to have or share beneficial ownership of the shares held directly by Four Pines.