SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-21-039500
Filing Date
2021-10-06
Accepted
2021-10-06 19:01:12
Documents
1
Period of Report
2021-10-06

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 7301
  Complete submission text file 0000899243-21-039500.txt   10009
Mailing Address 650 SOUTH EXETER STREET SUITE 1070 BALTIMORE MD 21202
Business Address 650 SOUTH EXETER STREET SUITE 1070 BALTIMORE MD 21202 4102200129
Rock Springs Capital Management LP (Reporting) CIK: 0001595725 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40869 | Film No.: 211310700

Mailing Address 190 ELGIN AVENUE GEORGE TOWN E9 KY1 9001
Business Address 650 SOUTH EXETER STREET SUITE 1070 BALTIMORE MD 21202 410-220-0142
Rock Springs Capital Master Fund LP (Reporting) CIK: 0001735393 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40869 | Film No.: 211310699

Mailing Address 650 SOUTH EXETER STREET SUITE 1070 BALTIMORE MD 21202
Business Address 650 SOUTH EXETER STREET SUITE 1070 BALTIMORE MD 21202 410-220-0142
Rock Springs Capital LLC (Reporting) CIK: 0001735397 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40869 | Film No.: 211310698

Mailing Address 245 MAIN STREET CAMBRIDGE MA 02142
Business Address 245 MAIN STREET CAMBRIDGE MA 02142 (857) 400-9491
Theseus Pharmaceuticals, Inc. (Issuer) CIK: 0001745020 (see all company filings)

IRS No.: 830712806 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations