PSTX Poseida Therapeutics

Filed: 13 Oct 21, 8:16am





Washington, D.C. 20549







Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

October 11, 2021



Poseida Therapeutics, Inc.

(Exact name of registrant as specified in its charter)




Delaware 001-39376 47-2846548
(State or other jurisdiction
of incorporation)
File Number)
 (I.R.S. Employer
Identification No.)


9390 Towne Centre Drive, Suite 200, San Diego, California 92121
(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (858) 779-3100


(Former name or former address, if changed since last report.)



Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:



Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)



Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)



Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))



Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class


Trading Symbol(s)


Name of each exchange on which registered

Common Stock, par value $0.0001 per share PSTX Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐




Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Effective October 11, 2021, the Board of Directors of Poseida Therapeutics, Inc. (the “Company”) appointed Johanna Mylet, the Company’s Senior Vice President, Finance, as the Company’s Chief Financial Officer. In connection with the appointment, Ms. Mylet succeeded Mark Gergen as the Company’s principal financial officer. Ms. Mylet’s employment is governed by an employment offer letter, dated June 8, 2015, a copy of which was filed as Exhibit 10.10 to the Company’s Registration Statement on Form S-1 (File No. 333-239321) and is eligible to participate in the Company’s compensatory plans with respect to executive officers described in its prior filings with the Securities and Exchange Commission, including its Definitive Proxy Statement filed April 28, 2021.


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


  Poseida Therapeutics, Inc.
Date: October 13, 2021  By: 

/s/ Harry J. Leonhardt

  Name: Harry J. Leonhardt
  Title: General Counsel and Chief Compliance Officer