# EDGAR Filing Document

**Accession Number:** 0001773427
**File Stem:** 0001193125-23-074857
**Filing Date:** 2023-3
**Character Count:** 8358
**Document Hash:** 05e259ab35f05f9dce28849bfce77a9d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-074857.hdr.sgml**: 20230320

**ACCESSION NUMBER**: 0001193125-23-074857

**CONFORMED SUBMISSION TYPE**: SC 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230320

**DATE AS OF CHANGE**: 20230320

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SpringWorks Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001773427
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91134
- **FILM NUMBER:** 23747040

**BUSINESS ADDRESS:**
- **STREET 1:** 100 WASHINGTON BOULEVARD
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06902
- **BUSINESS PHONE:** 203-883-9490

**MAIL ADDRESS:**
- **STREET 1:** 100 WASHINGTON BOULEVARD
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06902
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BC SW, LP
- **CENTRAL INDEX KEY:** 0001786351
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 200 CLAREDON STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** 6175162000

**MAIL ADDRESS:**
- **STREET 1:** 200 CLARENDON STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

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**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, DC 20549** 

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**SCHEDULE 13D** 

**(Rule 13d-101)** 

**Information to be Included in Statements Filed Pursuant** 

**to § 240.13d-1(a) and Amendments Thereto Filed** 

**Pursuant to § 240.13d-2(a)** 

**Under the Securities Exchange Act of 1934** 

**(Amendment No. 5)** 

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## SpringWorks Therapeutics, Inc.
**(Name of Issuer)** 

**Common Stock, $0.0001** 

**par value per share** 

**(Title of Class of Securities)** 

**85205L107** 

**(CUSIP Number)** 

**Bain Capital Life Sciences Investors, LLC** 

**200 Clarendon Street** 

**Boston, MA 02116** 

**617-516-2000** 

**(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)** 

**March 16, 2023** 

**(Date of Event Which Requires Filing of This Statement)** 

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If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

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**Note**. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See § 240.13d-7 for other parties to whom copies are to be sent.

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The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended ("Act"), or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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CUSIP No. 85205L107 13D Page 2 of 4

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| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; 1 | &nbsp;&nbsp;&nbsp;&nbsp;Names of reporting persons<br>&nbsp;&nbsp;&nbsp;&nbsp;**BC SW, LP** |
| &nbsp;&nbsp;&nbsp; 2 | &nbsp;&nbsp;&nbsp;&nbsp;Check the appropriate box if a member of a group<br> &nbsp;&nbsp;&nbsp;&nbsp;(a) ☐ (b) ☐ |
| &nbsp;&nbsp;&nbsp; 3 | &nbsp;&nbsp;&nbsp;&nbsp;SEC use only |
| &nbsp;&nbsp;&nbsp; 4 | &nbsp;&nbsp;&nbsp;&nbsp;Source of funds<br>&nbsp;&nbsp;&nbsp;&nbsp;**WC** |
| &nbsp;&nbsp;&nbsp; 5 | &nbsp;&nbsp;&nbsp;&nbsp;Check if disclosure of legal proceedings is required pursuant to Item 2(d) or 2(e)<br>&nbsp;&nbsp;&nbsp;&nbsp;☐ |
| &nbsp;&nbsp;&nbsp; 6 | &nbsp;&nbsp;&nbsp;&nbsp;Citizenship or place of organization<br>&nbsp;&nbsp;&nbsp;&nbsp;**Delaware** |

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Number of<br> shares<br> beneficially <br> owned by<br> each<br> reporting<br> person<br> with: | &nbsp;&nbsp;&nbsp;&nbsp;7 | &nbsp;&nbsp;&nbsp;&nbsp;Sole voting power<br>&nbsp;&nbsp;&nbsp;&nbsp;**0 shares of Common Stock** |
| &nbsp;&nbsp;&nbsp; Number of<br> shares<br> beneficially <br> owned by<br> each<br> reporting<br> person<br> with: | &nbsp;&nbsp;&nbsp;&nbsp;8 | &nbsp;&nbsp;&nbsp;&nbsp;Shared voting power<br>&nbsp;&nbsp;&nbsp;&nbsp;**3,081,307 shares of Common Stock** |
| &nbsp;&nbsp;&nbsp; Number of<br> shares<br> beneficially <br> owned by<br> each<br> reporting<br> person<br> with: | &nbsp;&nbsp;&nbsp;&nbsp;9 | &nbsp;&nbsp;&nbsp;&nbsp;Sole dispositive power<br>&nbsp;&nbsp;&nbsp;&nbsp;**0 shares of Common Stock** |
| &nbsp;&nbsp;&nbsp; Number of<br> shares<br> beneficially <br> owned by<br> each<br> reporting<br> person<br> with: | 10 | &nbsp;&nbsp;&nbsp;&nbsp;Shared dispositive power<br>&nbsp;&nbsp;&nbsp;&nbsp;**3,081,307 shares of Common Stock** |

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| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp;11 | &nbsp;&nbsp;&nbsp;&nbsp;Aggregate amount beneficially owned by each reporting person<br>&nbsp;&nbsp;&nbsp;&nbsp;**3,081,307 shares of Common Stock** |
| &nbsp;&nbsp;&nbsp;12 | &nbsp;&nbsp;&nbsp;&nbsp;Check if the aggregate amount in Row (11) excludes certain shares<br>&nbsp;&nbsp;&nbsp;&nbsp;☐ |
| &nbsp;&nbsp;&nbsp;13 | &nbsp;&nbsp;&nbsp;&nbsp;Percent of class represented by amount in Row (11)<br>&nbsp;&nbsp;&nbsp;&nbsp;**4.9%** |
| &nbsp;&nbsp;&nbsp;14 | &nbsp;&nbsp;&nbsp;&nbsp;Type of reporting person<br>&nbsp;&nbsp;&nbsp;&nbsp;**PN** |

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CUSIP No. 85205L107 13D Page 3 of 4

This Amendment No. 5 to Schedule 13D relates to the Common Stock of SpringWorks Therapeutics, Inc., a Delaware corporation (the "Issuer"), and amends the initial statement on Schedule 13D filed by the Reporting Person on September 23, 2019, as amended by Amendment No. 1 filed on October 15, 2020, Amendment No. 2 filed on March 11, 2021, Amendment No. 3 filed on August 12, 2021 and Amendment No. 4 filed on September 13, 2022 (the "Initial Statement" and, as further amended by this Amendment No. 5, the "Schedule 13D"). Capitalized terms used but not defined herein shall have the meanings ascribed to them in the Initial Statement.

**Item 5.** **Interest in Securities of the Issuer** <br>

Item 5 of the Initial Statement is hereby amended and restated as follows:

The information set forth in or incorporated by reference in Items 2 and 3 and on the cover pages of this Schedule 13D is incorporated by reference in its entirety into this Item 5.

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| | |
|:---|:---|
| (a), (b) | As of the date hereof, the Reporting Person holds 3,081,307 shares of Common Stock, representing approximately 4.9% of the outstanding shares of Common Stock. The percentage of the outstanding shares of Common Stock held by the Reporting Person is based on 62,498,784 shares of Common Stock outstanding as of February 22, 2023, as reported in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2022. |
| (c) | On March 16, 2023, the Reporting Person sold 1,750,000 shares of Common Stock at a price of $28.50 per share pursuant to Rule 144 under the Securities Act of 1933, as amended, for total consideration of $49,875,000. |
| (d) | Except as otherwise described in this Item 5, no one other than the Reporting Person has the right to receive, or the power to direct the receipt of, dividends from, or the proceeds from the sale of, any of the Common Stock beneficially owned by the Reporting Person as described in this Item 5. |
| (e) | Following the sale of shares of Common Stock on March 16, 2023 described in Item 5(c) above, the Reporting Person ceased to beneficially own 5% or more of the Issuer's outstanding shares of Common Stock. |

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CUSIP No. 85205L107 13D Page 4 of 4

**SIGNATURES** 

After reasonable inquiry and to the best of its knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct.

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| | | |
|:---|:---|:---|
| Dated: March 20, 2023 | **BC SW, LP** | **BC SW, LP** |
|  | By: Bain Capital Life Sciences Investors, LLC | By: Bain Capital Life Sciences Investors, LLC |
|  | its general partner | its general partner |
|  | By: | /s/ Jeffrey Schwartz |
|  | Name: | Jeffrey Schwartz |
|  | Title: | Partner |

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