# EDGAR Filing Document

**Accession Number:** 0001850906
**File Stem:** 0001193125-23-037243
**Filing Date:** 2023-2
**Character Count:** 21028
**Document Hash:** d76d3f1bf173b1e39fbf02c7ab27cd3f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-037243.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001193125-23-037243

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**GROUP MEMBERS**: REVELATION ALPINE GP, LLC

**GROUP MEMBERS**: REVELATION HEALTHCARE FUND II GP, L.P.

**GROUP MEMBERS**: REVELATION HEALTHCARE FUND II GP, LLC

**GROUP MEMBERS**: REVELATION HEALTHCARE FUND II, L.P.

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Singular Genomics Systems, Inc.
- **CENTRAL INDEX KEY:** 0001850906
- **STANDARD INDUSTRIAL CLASSIFICATION:** LABORATORY ANALYTICAL INSTRUMENTS [3826]
- **IRS NUMBER:** 812948451
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-92575
- **FILM NUMBER:** 23622538

**BUSINESS ADDRESS:**
- **STREET 1:** 3010 SCIENCE PARK ROAD
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** (858) 333-7830

**MAIL ADDRESS:**
- **STREET 1:** 3010 SCIENCE PARK ROAD
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Revelation Alpine, LLC
- **CENTRAL INDEX KEY:** 0001910436
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** 300 TURNEY STREET
- **CITY:** SAUSALITO
- **STATE:** CA
- **ZIP:** 94965
- **BUSINESS PHONE:** 415-905-7226

**MAIL ADDRESS:**
- **STREET 1:** 300 TURNEY STREET
- **CITY:** SAUSALITO
- **STATE:** CA
- **ZIP:** 94965

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**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

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**SCHEDULE 13G** 

**UNDER THE SECURITIES EXCHANGE ACT OF 1934** 

**(Amendment No. 1)\*** 

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## Singular Genomics Systems, Inc.
**(Name of Issuer)** 

**Common Stock, $0.0001 par value per share** 

**(Title of Class of Securities)** 

**82933R100** 

**(CUSIP Number)** 

**December 31, 2022** 

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

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Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

☑ Rule 13d-1(d)

\* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in 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 ("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. 82933R100** | **SCHEDULE 13G** | **Page 2 of 9 Pages** |

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1. &nbsp;&nbsp;&nbsp;&nbsp; NAMES OF REPORTING PERSONS &nbsp;&nbsp;&nbsp;&nbsp; **Revelation Alpine, LLC**

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☑

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;1,184,497 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;1,184,497 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 1,184,497

10. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW 9 &nbsp;&nbsp;&nbsp;&nbsp; 1.7% (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) The percentage of class was calculated based on 71,396,110 shares of Common Stock outstanding as of
October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 7, 2022.

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| | | |
|:---|:---|:---|
| **CUSIP No. 82933R100** | **SCHEDULE 13G** | **Page 3 of 9 Pages** |

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1. &nbsp;&nbsp;&nbsp;&nbsp; NAMES OF REPORTING PERSONS &nbsp;&nbsp;&nbsp;&nbsp; **Revelation Alpine GP, LLC**

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☑

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;1,184,497 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;1,184,497 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 1,184,497

10. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW 9 &nbsp;&nbsp;&nbsp;&nbsp; 1.7% (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) The percentage of class was calculated based on 71,396,110 shares of Common Stock outstanding as of
October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 7, 2022.

------

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| | | |
|:---|:---|:---|
| **CUSIP No. 82933R100** | **SCHEDULE 13G** | **Page 4 of 9 Pages** |

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1. &nbsp;&nbsp;&nbsp;&nbsp; NAMES OF REPORTING PERSONS &nbsp;&nbsp;&nbsp;&nbsp; **Revelation Healthcare Fund II, L.P.**

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☑

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;231,349 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;231,349 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 231,349

10. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW 9 &nbsp;&nbsp;&nbsp;&nbsp; 0.3% (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) The percentage of class was calculated based on 71,396,110 shares of Common Stock outstanding as of
October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 7, 2022.

------

---

| | | |
|:---|:---|:---|
| **CUSIP No. 82933R100** | **SCHEDULE 13G** | **Page 5 of 9 Pages** |

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1. &nbsp;&nbsp;&nbsp;&nbsp; NAMES OF REPORTING PERSONS &nbsp;&nbsp;&nbsp;&nbsp; **Revelation Healthcare Fund II GP, L.P.**

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☑

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;231,349 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;231,349 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 231,349

10. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW 9 &nbsp;&nbsp;&nbsp;&nbsp; 0.3% (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; PN

(1) The percentage of class was calculated based on 71,396,110 shares of Common Stock outstanding as of
October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 7, 2022.

------

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| | | |
|:---|:---|:---|
| **CUSIP No. 82933R100** | **SCHEDULE 13G** | **Page 6 of 9 Pages** |

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1. &nbsp;&nbsp;&nbsp;&nbsp; NAMES OF REPORTING PERSONS &nbsp;&nbsp;&nbsp;&nbsp; **Revelation Healthcare Fund II GP, LLC**

2. &nbsp;&nbsp;&nbsp;&nbsp; CHECK THE APPROPRIATE BOX
IF A MEMBER OF A GROUP &nbsp;&nbsp;&nbsp;&nbsp; (a) ☐ (b) ☑

3. &nbsp;&nbsp;&nbsp;&nbsp; SEC USE ONLY

4. &nbsp;&nbsp;&nbsp;&nbsp; CITIZENSHIP OR PLACE OF
ORGANIZATION &nbsp;&nbsp;&nbsp;&nbsp; Delaware

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 5. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;231,349 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 6. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED VOTING POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 7. | &nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;231,349 |
| &nbsp;&nbsp;&nbsp; NUMBER OF<br> SHARES<br> BENEFICIALLY <br> OWNED BY<br> EACH<br> REPORTING<br> PERSON<br> WITH | 8. | &nbsp;&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER<br>&nbsp;&nbsp;&nbsp;&nbsp;0 |

---

9. &nbsp;&nbsp;&nbsp;&nbsp; AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON &nbsp;&nbsp;&nbsp;&nbsp; 231,349

10. &nbsp;&nbsp;&nbsp;&nbsp; CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES &nbsp;&nbsp;&nbsp;&nbsp; ☐

11. &nbsp;&nbsp;&nbsp;&nbsp; PERCENT OF CLASS
REPRESENTED BY AMOUNT IN ROW 9 &nbsp;&nbsp;&nbsp;&nbsp; 0.3% (1)

12. &nbsp;&nbsp;&nbsp;&nbsp; TYPE OF REPORTING
PERSON &nbsp;&nbsp;&nbsp;&nbsp; OO

(1) The percentage of class was calculated based on 71,396,110 shares of Common Stock outstanding as of
October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 7, 2022.

------

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| | | |
|:---|:---|:---|
| **CUSIP No. 82933R100** | **SCHEDULE 13G** | **Page 7 of 9 Pages** |

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| | | | |
|:---|:---|:---|:---|
|  **Item 1.** |  |  | **Issuer** |
|  | (a) |  | Name of Issuer: |
|  |  |  | Singular Genomics Systems, Inc. (the "**<u>Issuer</u>**") |
|  | (b) |  | Address of Issuer's Principal Executive Offices: |
|  |  |  | 3010 Science Park Road<br> San Diego, CA 92121 |
|  **Item 2.** |  |  | **Filing Person** |
|  | (a) – (c) |  | Name of Persons Filing; Address; Citizenship: |
|  |  |  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Revelation Alpine, LLC, a Delaware limited liability company ("**<u>Alpine</u>**").<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) Revelation Alpine GP, LLC, a Delaware limited liability company ("**<u>Alpine GP</u>**").<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) Revelation Healthcare Fund II, L.P., a Delaware limited partnership ("**<u>Healthcare Fund II</u>**").<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) Revelation Healthcare Fund II GP, L.P., a Delaware limited partnership ("**<u>Healthcare Fund II GP LP</u>**").<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) Revelation Healthcare Fund II GP, LLC, a Delaware limited liability company ("**<u>Healthcare Fund II GP LLC</u>**").<br>The address of the principal business office of each of the Reporting Persons is 300 Turney Street, Sausalito, CA 94965. |
|  | (d) |  | Title of Class of Securities: |
|  |  |  | Common Stock, par value $0.0001 per share |
|  | (e) |  | CUSIP Number:<br>82933R100 |
|  **Item 3.** | **If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:** | **If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:** | **If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:** |
|  | (a) | ☐ | Broker or dealer registered under Section 15 of the Act; |
|  | (b) | ☐ | Bank as defined in Section 3(a)(6) of the Act; |
|  | (c) | ☐ | Insurance company as defined in Section 3(a)(19) of the Act; |
|  | (d) | ☐ | Investment company registered under Section 8 of the Investment Company Act of 1940; |
|  | (e) | ☐ | An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); |
|  | (f) | ☐ | An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); |
|  | (g) | ☐ | A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); |
|  | (h) | ☐ | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); |
|  | (i) | ☐ | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940; |
|  | (j) | ☐ | A non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J); |
|  | (k) | ☐ | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J), please specify the type of institution: |
|  |  | If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution: | If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution: |

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| | | |
|:---|:---|:---|
| **CUSIP No. 82933R100** | **SCHEDULE 13G** | **Page 8 of 9 Pages** |

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| | |
|:---|:---|
| **Item 4.** | **Ownership.** |
| (a) and (b) | Amount beneficially owned: |
| (i) | Alpine directly owns 1,184,497 shares of Common Stock, which represents approximately 1.7% of the<br>outstanding shares of Common Stock. Alpine GP, as general partner of Alpine, may be deemed to<br>beneficially own the shares of Common Stock held directly by Alpine. |
| (ii) | Healthcare Fund II directly owns 231,349 shares of Common Stock, which represents approximately<br>0.3% of the outstanding shares of Common Stock. Healthcare Fund II GP LP, as general partner of<br>Healthcare Fund II, and Healthcare Fund II GP LLC, as general partner of Healthcare Fund II GP LP,<br>may each be deemed to beneficially own the shares of Common Stock held directly by Healthcare Fund<br>II. |

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(c) Number of shares as to which such person has:<br>

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| | | | | |
|:---|:---|:---|:---|:---|
| | **Number of Shares of Common Stock** | **Number of Shares of Common Stock** | **Number of Shares of Common Stock** | **Number of Shares of Common Stock** |
| **Reporting Person** | (i) | (ii) | (iii) | (iv) |
|  Alpine | 1184497 | 0 | 1184497 | 0 |
| Alpine GP | 1184497 | 0 | 1184497 | 0 |
| Healthcare Fund II | 231349 | 0 | 231349 | 0 |
| Healthcare Fund II GP LP | 231349 | 0 | 231349 | 0 |
| Healthcare Fund II GP LLC | 231349 | 0 | 231349 | 0 |

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| | |
|:---|:---|
|  | (i) Sole power to vote or direct the vote<br>(ii) Shared power to vote or to direct the vote<br>(iii) Sole power to dispose or to direct the disposition of<br>(iv) Shared power to dispose or to direct the disposition of |
|  | The percentage of class was calculated based on 71,396,110 shares of Common Stock outstanding as of October 31, 2022,<br>as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on<br>November 7, 2022. |
| **Item 5.** | **Ownership of Five Percent or Less of a Class.**<br>If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following: ☑ |
| **Item 6.** | **Ownership of More than Five Percent on Behalf of Another Person.**<br>Not applicable. |
| **Item 7.** | **Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.**<br>Not applicable. |
| **Item 8.** | **Identification and Classification of Members of the Group.**<br>Not applicable. |
| **Item 9.** | **Notice of Dissolution of Group.**<br>Not applicable. |
| **Item 10.** | **Certification.**<br>Not applicable. |

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| | | |
|:---|:---|:---|
| **CUSIP No. 82933R100** | **SCHEDULE 13G** | **Page 9 of 9 Pages** |

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**SIGNATURE** 

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 14, 2023

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| | |
|:---|:---|
| **REVELATION ALPINE, LLC** | **REVELATION ALPINE, LLC** |
| By: Revelation Alpine GP, LLC | By: Revelation Alpine GP, LLC |
| Its: General Partner | Its: General Partner |
| By: | /s/ Michael Boggs |
| Name: | Michael Boggs |
| Title: | Managing Member |
| **REVELATION ALPINE GP, LLC** | **REVELATION ALPINE GP, LLC** |
| By: | /s/ Michael Boggs |
| Name: | Michael Boggs |
| Title: | Managing Member |
| **REVELATION HEALTHCARE FUND II, L.P.** | **REVELATION HEALTHCARE FUND II, L.P.** |
| By: Revelation Healthcare Fund II GP, L.P. | By: Revelation Healthcare Fund II GP, L.P. |
| Its: General Partner | Its: General Partner |
| By: Revelation Healthcare Fund II GP, LLC | By: Revelation Healthcare Fund II GP, LLC |
| Its: General Partner | Its: General Partner |
| By: | /s/ Michael Boggs |
| Name: | Michael Boggs |
| Title: | Managing Member |
| **REVELATION HEALTHCARE FUND II GP, L.P.** | **REVELATION HEALTHCARE FUND II GP, L.P.** |
| By: Revelation Healthcare Fund II GP, LLC | By: Revelation Healthcare Fund II GP, LLC |
| Its: General Partner | Its: General Partner |
| By: | /s/ Michael Boggs |
| Name: | Michael Boggs |
| Title: | Managing Member |
| **REVELATION HEALTHCARE FUND II, LLC** | **REVELATION HEALTHCARE FUND II, LLC** |
| By: | /s/ Michael Boggs |
| Name: | Michael Boggs |
| Title: | Managing Member |

---