# EDGAR Filing Document

**Accession Number:** 0001270734
**File Stem:** 0000899243-23-003071
**Filing Date:** 2023-1
**Character Count:** 7404
**Document Hash:** a7ee134df17a874fd54139c9a3653e24
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000899243-23-003071.hdr.sgml**: 20230131

**ACCESSION NUMBER**: 0000899243-23-003071

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230127

**FILED AS OF DATE**: 20230131

**DATE AS OF CHANGE**: 20230131

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** PAKIANATHAN DEEPIKA
- **CENTRAL INDEX KEY:** 0001270734

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36644
- **FILM NUMBER:** 23574228

**MAIL ADDRESS:**
- **STREET 1:** 160 BOVET ROAD, SUITE 408
- **STREET 2:** C/O DELPHI VENTURES
- **CITY:** SAN MATEO
- **STATE:** CA
- **ZIP:** 94402
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Calithera Biosciences, Inc.
- **CENTRAL INDEX KEY:** 0001496671
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **IRS NUMBER:** 272366329
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 343 OYSTER POINT BLVD #200
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080
- **BUSINESS PHONE:** 650-870-1000

**MAIL ADDRESS:**
- **STREET 1:** 343 OYSTER POINT BLVD #200
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080

### 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>PAKIANATHAN DEEPIKA<br><sub>(Last) (First) (Middle)</sub><br>C/O DELPHI VENTURES<br>63 BOVET RD., SUITE 351<br><sub>(Street)</sub><br>SAN MATEO, CA 94402<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Calithera Biosciences, Inc. [ CALA ] | **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 |
| Common Stock | 2023-01-27 |  | S |  | 120161 | D | 0.3858<sup>(1)</sup> | 0 | I | Delphi Ventures VIII, L.P.<sup>(2)</sup> |
| Common Stock | 2023-01-27 |  | S |  | 1172 | D | 0.3858<sup>(1)</sup> | 0 | I | Delphi
BioInvestments VIII, L.P.<sup>(3)</sup> |

---

## 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 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.36 to $0.41, inclusive.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

(2) The reported securities were directly held by Delphi Ventures VIII, L.P. ("DV VIII"). Delphi Management Partners VIII, L.L.C. ("DMP VIII") is the general partner of DV VIII and was deemed to have sole voting and dispositive power over the securities held by DV VIII. Douglas A. Roeder, James J. Bochnowski, David L. Douglass and Deepika R. Pakianathan, Ph.D. are the managing members of DMP VIII and were deemed to share voting and dispositive power over the securities held by DV VIII. Such persons and entities disclaim beneficial ownership of the securities held by DV VIII, except to the extent of any pecuniary interest therein.

(3) The reported securities were directly held by Delphi BioInvestments VIII, L.P. ("DBI VIII"). DMP VIII is the general partner of DBI VIII and was deemed to have sole voting and dispositive power over the securities held by DBI VIII. Douglas A. Roeder, James J. Bochnowski, David L. Douglass and Deepika R. Pakianathan, Ph.D. are the managing members of DMP VIII and were deemed to share voting and dispositive power over the securities held by DBI VIII. Such persons and entities disclaim beneficial ownership of the securities held by DBI VIII, except to the extent of any pecuniary interest therein.

**Signature:** /s/ Matthew T. Potter, Attorney-in-Fact for Deepika Pakianathan  
**Date:** 2023-01-31

### 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.**