# EDGAR Filing Document

**Accession Number:** 0001770121
**File Stem:** 0001562180-23-002397
**Filing Date:** 2023-3
**Character Count:** 9533
**Document Hash:** 0b7e81cc83d68dc0480534cb4ad78b73
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001562180-23-002397.hdr.sgml**: 20230303

**ACCESSION NUMBER**: 0001562180-23-002397

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20230302

**FILED AS OF DATE**: 20230303

**DATE AS OF CHANGE**: 20230303

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Harr Steve
- **CENTRAL INDEX KEY:** 0001627387

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39941
- **FILM NUMBER:** 23704777

**MAIL ADDRESS:**
- **STREET 1:** 307 WESTLAKE AVE. NORTH, STE. 300
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98109
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Sana Biotechnology, Inc.
- **CENTRAL INDEX KEY:** 0001770121
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 188 EAST BLAINE STREET, SUITE 400
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98102
- **BUSINESS PHONE:** (206) 701-7914

**MAIL ADDRESS:**
- **STREET 1:** 188 EAST BLAINE STREET, SUITE 400
- **CITY:** SEATTLE
- **STATE:** WA
- **ZIP:** 98102

## Ex-24

```

						Exhibit 24
POWER OF ATTORNEY

      With respect to holdings of and transactions in securities
issued by Sana Biotechnology, Inc. (the "Company"), the undersigned
hereby constitutes and appoints the individuals named on Schedule A
attached hereto and as may be amended from time to time, or any of
them signing singly, with full power of substitution and
resubstitution, to act as the undersigned's true and lawful attorney-
in-fact to:

1.	execute for and on behalf of the undersigned, Schedules 13D
and 13G in accordance with Section 13 of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and
the rules and regulations thereunder, Forms 3, 4, and 5 in
accordance with Section 16 of the Exchange Act and the rules
thereunder, and a Form ID, Uniform Application for Access
Codes to File on EDGAR;

2.	do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete
and execute any such Schedule 13D or 13G or Form 3, 4, or 5,
complete and execute any amendment or amendments thereto, and
timely file such schedule or form with the SEC and any stock
exchange or similar authority; and

3.	take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-
fact, may be of benefit to, in the best interest of, or
legally required by, the undersigned, it being understood
that the documents executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Power of Attorney
shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

	The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if
personally present, with full power of substitution and
resubstitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or such attorneys-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this
Power of Attorney and the rights and powers herein granted.

      The undersigned acknowledges that the foregoing attorneys-in-
fact, in serving in such capacity at the request of the undersigned,
are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 13 and Section
16 of the Exchange Act.

      This Power of Attorney supersedes any power of attorney
previously executed by the undersigned regarding the purposes
outlined in the first paragraph hereof ("Prior Powers of Attorney"),
and the authority of the attorneys-in-fact named in any Prior Powers
of Attorney is hereby revoked.

      This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Schedule 13D and
13G and Forms 3, 4, and 5 with respect to the undersigned's holdings
of and transactions in securities issued by the Company, unless
earlier (a) revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact or (b) superseded by a new power
of attorney regarding the purposes outlined in the first paragraph
hereof dated as of a later date.

	IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of February 18, 2023.

/s/ Steven D. Harr
Steven D. Harr

Schedule A

Individuals Appointed as Attorney-in-Fact with Full Power of
Substitution and Resubstitution

1. Nathan Hardy
2. Bernard J. Cassidy
3. Julie Shah

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Harr Steve<br><sub>(Last) (First) (Middle)</sub><br>C/O SANA BIOTECHNOLOGY, INC.<br>188 EAST BLAINE STREET, SUITE 400<br><sub>(Street)</sub><br>SEATTLE, WA 98102<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-02 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President & CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Sana Biotechnology, Inc. [ SANA ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Stock Options (Right to Buy) | $3.76 | 2023-03-02 |  | A |  | 650000.00 |  | <sup>(1)</sup> | 2033-03-01 | Common Stock | 650000.00 | $0.00 | 650000.00 | D |  |

---

### Footnotes:

(1) The option vests and becomes exercisable as to 25% of the underlying shares on March 2, 2024 and in 36 equal monthly installments thereafter.

**Remarks:**
Exhibit List: Exhibit 24 - Power of Attorney

**Signature:** /s/ Bernard J. Cassidy, Attorney-in-Fact for Steve Harr  
**Date:** 2023-03-03

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**