# EDGAR Filing Document

**Accession Number:** 0000934639
**File Stem:** 0001193125-23-037204
**Filing Date:** 2023-2
**Character Count:** 18219
**Document Hash:** 8b55db939568840b311eeef7612d0f69
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-037204.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001193125-23-037204

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

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**GROUP MEMBERS**: LEE S. AINSLIE III

**GROUP MEMBERS**: MAVERICK CAPITAL MANAGEMENT, LLC

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CURIS INC
- **CENTRAL INDEX KEY:** 0001108205
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **IRS NUMBER:** 043505116
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-59429
- **FILM NUMBER:** 23622426

**BUSINESS ADDRESS:**
- **STREET 1:** 128 SPRING STREET
- **STREET 2:** BUILDING C, SUITE 500
- **CITY:** LEXINGTON
- **STATE:** MA
- **ZIP:** 02421
- **BUSINESS PHONE:** 617-503-6500

**MAIL ADDRESS:**
- **STREET 1:** 128 SPRING STREET
- **STREET 2:** BUILDING C, SUITE 500
- **CITY:** LEXINGTON
- **STATE:** MA
- **ZIP:** 02421
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MAVERICK CAPITAL LTD
- **CENTRAL INDEX KEY:** 0000934639
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** TX

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

**BUSINESS ADDRESS:**
- **STREET 1:** 1900 N. PEARL STREET, 20TH FLOOR
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
- **BUSINESS PHONE:** 214.880.4050

**MAIL ADDRESS:**
- **STREET 1:** 1900 N. PEARL STREET, 20TH FLOOR
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201

------

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**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**WASHINGTON, D.C. 20549** 

------

**SCHEDULE 13G/A** 

**Under the Securities Exchange Act of 1934** 

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

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## Curis, Inc.
**(Name of Issuer)** 

**Common Stock, Par Value $0.01 per share** 

**(Title of Class of Securities)** 

**231269200** 

**(CUSIP Number)** 

**December 31, 2022** 

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

------

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).

------

CUSIP No. 231269200

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; **1** | &nbsp;&nbsp;&nbsp;&nbsp;NAMES OF REPORTING PERSONS<br> &nbsp;&nbsp;&nbsp;&nbsp;I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)<br>&nbsp;&nbsp;&nbsp;&nbsp;Maverick Capital, Ltd. – 75-2482446 |
| &nbsp;&nbsp;&nbsp; **2** | &nbsp;&nbsp;&nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)<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;CITIZENSHIP OR PLACE OF ORGANIZATION<br>&nbsp;&nbsp;&nbsp;&nbsp;Texas |

---

---

| | | |
|:---|:---|:---|
| &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;0 |
| &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;5,555,598 |
| &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;0 |
| &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;5,555,598 |

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; **9** | &nbsp;&nbsp;&nbsp;&nbsp;AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>&nbsp;&nbsp;&nbsp;&nbsp;5,555,598 |
| &nbsp;&nbsp;&nbsp;**10** | &nbsp;&nbsp;&nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)<br>&nbsp;&nbsp;&nbsp;&nbsp;☐ |
| &nbsp;&nbsp;&nbsp;**11** | &nbsp;&nbsp;&nbsp;&nbsp;PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9<br>&nbsp;&nbsp;&nbsp;&nbsp;5.8% |
| &nbsp;&nbsp;&nbsp;**12** | &nbsp;&nbsp;&nbsp;&nbsp;TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)<br>&nbsp;&nbsp;&nbsp;&nbsp;IA |

---

------

CUSIP No. 231269200

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; **1** | &nbsp;&nbsp;&nbsp;&nbsp;NAMES OF REPORTING PERSONS<br> &nbsp;&nbsp;&nbsp;&nbsp;I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)<br>&nbsp;&nbsp;&nbsp;&nbsp;Maverick Capital Management, LLC – 75-2686461 |
| &nbsp;&nbsp;&nbsp; **2** | &nbsp;&nbsp;&nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)<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;CITIZENSHIP OR PLACE OF ORGANIZATION<br>&nbsp;&nbsp;&nbsp;&nbsp;Texas |

---

---

| | | |
|:---|:---|:---|
| &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;0 |
| &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;5,555,598 |
| &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;0 |
| &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;5,555,598 |

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; **9** | &nbsp;&nbsp;&nbsp;&nbsp;AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>&nbsp;&nbsp;&nbsp;&nbsp;5,555,598 |
| &nbsp;&nbsp;&nbsp;**10** | &nbsp;&nbsp;&nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)<br>&nbsp;&nbsp;&nbsp;&nbsp;☐ |
| &nbsp;&nbsp;&nbsp;**11** | &nbsp;&nbsp;&nbsp;&nbsp;PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9<br>&nbsp;&nbsp;&nbsp;&nbsp;5.8% |
| &nbsp;&nbsp;&nbsp;**12** | &nbsp;&nbsp;&nbsp;&nbsp;TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)<br>&nbsp;&nbsp;&nbsp;&nbsp;HC |

---

------

CUSIP No. 231269200

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; **1** | &nbsp;&nbsp;&nbsp;&nbsp;NAMES OF REPORTING PERSONS<br> &nbsp;&nbsp;&nbsp;&nbsp;I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)<br>&nbsp;&nbsp;&nbsp;&nbsp;Lee S. Ainslie III |
| &nbsp;&nbsp;&nbsp; **2** | &nbsp;&nbsp;&nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)<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;CITIZENSHIP OR PLACE OF ORGANIZATION<br>&nbsp;&nbsp;&nbsp;&nbsp;United States of America |

---

---

| | | |
|:---|:---|:---|
| &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;0 |
| &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;5,555,598 |
| &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;0 |
| &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;5,555,598 |

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; **9** | &nbsp;&nbsp;&nbsp;&nbsp;AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>&nbsp;&nbsp;&nbsp;&nbsp;5,555,598 |
| &nbsp;&nbsp;&nbsp;**10** | &nbsp;&nbsp;&nbsp;&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)<br>&nbsp;&nbsp;&nbsp;&nbsp;☐ |
| &nbsp;&nbsp;&nbsp;**11** | &nbsp;&nbsp;&nbsp;&nbsp;PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9<br>&nbsp;&nbsp;&nbsp;&nbsp;5.8% |
| &nbsp;&nbsp;&nbsp;**12** | &nbsp;&nbsp;&nbsp;&nbsp;TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)<br>&nbsp;&nbsp;&nbsp;&nbsp;IN |

---

------

---

| | |
|:---|:---|
| **Item 1(a).** | **<u>Name of Issuer</u>:**  |

---

Curis, Inc.

---

| | |
|:---|:---|
| **Item 1(b).** | **<u>Address of Issuer's Principal Executive Offices</u>:**  |

---

128 Spring Street

Building C – Suite 500

Lexington, Massachusetts 02421

---

| | |
|:---|:---|
| **Item 2(a).** | **<u>Names of Persons Filing</u>:**  |

---

This Schedule 13G (the "Schedule 13G") is being filed on behalf of each of the following persons (each, a "Reporting Person"):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Maverick Capital, Ltd.;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) Maverick Capital Management, LLC; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) Lee S. Ainslie III ("Mr. Ainslie").

The Schedule 13G relates to Common Stock (as defined herein) held for the accounts of Maverick Capital, Ltd.'s clients.

---

| | |
|:---|:---|
| **Item 2(b).** | **<u>Address of Principal Business Office or, if None, Residence</u>:**  |

---

The address of the principal business office of each of the Reporting Persons is:

The address of the principal business office of (i) Maverick Capital, Ltd. and Maverick Capital Management, LLC is 1900 N. Pearl Street, 20th Floor, Dallas, Texas 75201, and (ii) Mr. Ainslie is 360 South Rosemary Ave., Suite 1440, West Palm Beach, Florida 33401.

---

| | |
|:---|:---|
| **Item 2(c).** | **<u>Citizenship</u>:**  |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Maverick Capital, Ltd. is a Texas limited partnership;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) Maverick Capital Management, LLC is a Texas limited liability company; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) Mr. Ainslie is a citizen of the United States.

---

| | |
|:---|:---|
| **Item 2(d).** | **<u>Title of Class</u> <u>of Securities</u>:**  |

---

Common Stock, Par Value $0.01 per share ("Common Stock")

---

| | |
|:---|:---|
| **Item 2(e).** | **<u>CUSIP Number</u>:**  |

---

231269200

**Item 3.** **<u>If this statement is filed pursuant to</u> <u>§</u><u>§</u> <u>240.13d-1(b) or 240.13d-2(b) or (c), check</u> <u>whether the person filing is a:</u>** <br>

(a) ☐ Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

------

---

| | | |
|:---|:---|:---|
| (b) | ☐ | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). |
| (c) | ☐ | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). |
| (d) | ☐ | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). |
| (e) | ☒ | An investment advisor in accordance with §240.13d-1(b)(1)(ii)(E). |
| (f) | ☐ | An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F). |
| (g) | ☒ | A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G). |
| (h) | ☐ | A savings association 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 (15 U.S.C. 80a-3). |
| (j) | ☐ | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J); |
| (k) | ☐ | Group, in accordance with § 240.13d-1(b)(1)(ii)(K). |

---

**Item 4.** **<u>Ownership</u>.** <br>

Ownership as of December 31, 2022 is incorporated by reference to items (5) – (9) and (11) of the cover page of the Reporting Person.

Maverick Capital, Ltd. is an investment adviser registered under Section 203 of the Investment Advisers Act of 1940 and, as such, may be deemed to have beneficial ownership of the Common Stock which are the subject of this filing through the investment discretion it exercises over its clients' accounts. Maverick Capital Management, LLC is the General Partner of Maverick Capital, Ltd. Mr. Ainslie is the manager of Maverick Capital Management, LLC.

**Item 5.** **<u>Ownership of Five Percent or Less of a Class</u>.** <br>

If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following ☐.

**Item 6.** **<u>Ownership of More than Five Percent on Behalf of Another Person</u>.** <br>

Not applicable.

**Item 7.** **<u>Identification and Classification of the Subsidiary</u><u> </u><u>Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person</u>.** <br>

Not applicable.

**Item 8.** **<u>Identification and Classification of Members of the Group</u>.** <br>

Not applicable.

------

**Item 9.** **<u>Notice of Dissolution of Group</u>.** <br>

Not applicable.

**Item 10.** **<u>Certification</u>.** <br>

By signing below each of the Reporting Persons certifies that, to the best of such person's knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

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<u>SIGNATURE</u> 

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

Date: February 14, 2023

---

| | |
|:---|:---|
| MAVERICK CAPITAL, LTD. | MAVERICK CAPITAL, LTD. |
| By: | Maverick Capital Management, LLC, its General Partner |
| By: | Lee S. Ainslie III, Manager |
| By: | /s/ Mark Gurevich |
|  | Mark Gurevich |
|  | Under Power of Attorney dated March 15, 2018 |
| MAVERICK CAPITAL MANAGEMENT, LLC | MAVERICK CAPITAL MANAGEMENT, LLC |
| By: | Lee S. Ainslie III, Manager |
| By: | /s/ Mark Gurevich |
|  | Mark Gurevich |
|  | Under Power of Attorney dated March 15, 2018 |
| LEE S. AINSLIE III | LEE S. AINSLIE III |
| By: | /s/ Mark Gurevich |
|  | Mark Gurevich |
|  | Under Power of Attorney dated March 15, 2018 |

---

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**EXHIBIT INDEX** 

A. Joint Filing Agreement, dated February 14, 2023, by and among Maverick Capital, Ltd., Maverick Capital
Management, LLC and Lee S. Ainslie III.

B. Power of Attorney, Lee S. Ainslie III, dated March 15, 2018.

## Ex-99.A

**EXHIBIT A** 

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of Curis, Inc. dated as of February 14, 2023, is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934.

---

| | |
|:---|:---|
| MAVERICK CAPITAL, LTD. | MAVERICK CAPITAL, LTD. |
| By: | Maverick Capital Management, LLC, its General Partner |
| By: | Lee S. Ainslie III, Manager |
| By: | /s/ Mark Gurevich |
|  | Mark Gurevich |
|  | Under Power of Attorney dated March 15, 2018 |
| MAVERICK CAPITAL MANAGEMENT, LLC | MAVERICK CAPITAL MANAGEMENT, LLC |
| By: | Lee S. Ainslie III, Manager |
| By: | /s/ Mark Gurevich |
|  | Mark Gurevich |
|  | Under Power of Attorney dated March 15, 2018 |
| LEE S. AINSLIE III | LEE S. AINSLIE III |
| By: | /s/ Mark Gurevich |
|  | Mark Gurevich |
|  | Under Power of Attorney dated March 15, 2018 |

---

## Ex-99.B

**EXHIBIT B** 

**Power of Attorney** 

KNOW ALL MEN BY THESE PRESENTS, that I, Lee S. Ainslie III, hereby make, constitute and appoint Mark Gurevich as my agent and attorney-in -fact for the purpose of executing (i) in my personal capacity or (ii) in my capacity as manager or other officer or representative of Maverick Capital Management, LLC, Maverick Capital, Ltd. or any affiliate of either, all documents to be filed with or delivered to any foreign or domestic governmental or regulatory body or other person pursuant to any legal or regulatory requirement relating to the issuance, acquisition, ownership, management or disposition of securities or investments, including without limitation all documents required to be filed with the United States Securities and Exchange Commission pursuant to Sections 13 and 16 of the Securities Exchange Act of 1934 and any joint filing agreements pursuant to Rule 13d-1(k).

All past acts of the attorney-in-fact in furtherance of the foregoing are hereby ratified and confirmed.

This power of attorney shall be valid from the date hereof until revoked by me.

IN WITNESS WHEREOF, I have executed this instrument as of the 15<sup>th</sup> day of March, 2018.

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| |
|:---|
| /s/ Lee S. Ainslie III |
| Lee S. Ainslie III |

---