Rock Springs Capital Management LP - 12 Oct 2021 Form 4 Insider Report for Theseus Pharmaceuticals, Inc.

Role
10%+ Owner
Signature
By: /s/ Mark Bussard, Authorized Signatory, Rock Springs Capital Management LP
Issuer symbol
N/A
Transactions as of
12 Oct 2021
Net transactions value
+$4,000,000
Form type
4
Filing time
14 Oct 2021, 17:00:28 UTC
Previous filing
06 Oct 2021
Next filing
21 Oct 2021
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction THRX Common Stock Conversion of derivative security +349,320 349,320 12 Oct 2021 See Footnote F1, F2, F3
transaction THRX Common Stock Conversion of derivative security +87,329 87,329 12 Oct 2021 See Footnote F1, F2, F4
transaction THRX Common Stock Purchase $4,000,000 +250,000 +72% $16.00* 599,320 12 Oct 2021 See Footnote F3, F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction THRX Series B Convertible Preferred Stock Conversion of derivative security -349,320 -100% 0 12 Oct 2021 Common Stock 349,320 See Footnote F2, F3
transaction THRX Series B Convertible Preferred Stock Conversion of derivative security -87,329 -100% 0 12 Oct 2021 Common Stock 87,329 See Footnote F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Rock Springs Capital Management LP is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 The total represents shares received upon conversion of shares of Series B Convertible Preferred Stock.
F2 The reported security converted into the issuer's Common Stock on a one-for-one basis automatically immediately prior to the closing of the issuer's initial public offering without payment of further consideration. The shares have no expiration date.
F3 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.
F4 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.
F5 Represents shares purchased in the issuer's initial public offering.