secwatch / observer
TNGX Tango Therapeutics, Inc.
CIK 0001819133 42 ready 8-Ks latest June 23, 2026, 5:19 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline Risk accumulating: repeated leadership change (5)
Ready 8-Ks 42
Latest filing June 23, 2026, 5:19 PM ET
Top materiality 0.85
Event mix earnings ×18 · other_material ×13 · leadership ×8
Sentiment 7 pos · 2 neg · 33 neu
Latest earnings ▼ miss 2026-Q1
Executive change recent →

Recent 8-K filings for TNGX

Executive changes

Appointed

Robert Azelby

Director
TNGX · Tango Therapeutics, Inc.
Effective
2026-06-19
Filed
June 23, 2026, 5:19 PM ET
the Board appointed Robert Azelby as a director of the Company to fill the newly created vacancy on the Board resulting from the increase to the board size.
Departed

Kanishka Pothula

Director, Member of the Nominating and Corporate Governance Committee
TNGX · Tango Therapeutics, Inc.
Effective
2026-05-13
Filed
May 13, 2026, 4:16 PM ET
Also on May 12, 2026, Kanishka Pothula resigned from the Board and as a member of the Nominating and Corporate Governance Committee of the Board (the “NCG Committee”), in each case effective as of May 13, 2026.
Role change

Sung Lee

Lead Independent Director, Chairperson of the Compensation Committee, Member of NCG Committee
TNGX · Tango Therapeutics, Inc.
Effective
2026-05-13
Filed
May 13, 2026, 4:16 PM ET
the Board appointed Sung Lee as Lead Independent Director of the Board and the Chairperson of the Compensation Committee and as a member thereof, each effective as of May 13, 2026.
Departed

Alexis Borisy

Director, Lead Independent Director, Chairperson of the Compensation Committee
TNGX · Tango Therapeutics, Inc.
Effective
2026-05-13
Filed
May 13, 2026, 4:16 PM ET
On May 12, 2026, Alexis Borisy resigned from the Company’s Board of Directors (the “Board”), as Lead Independent Director of the Board, and as the Chairperson of the Compensation Committee of the Board (the “Compensation Committee”) and as a member thereof, in each case effective as of May 13, 2026.
Departed

Daniella Beckman

Chief Financial Officer
TNGX · Tango Therapeutics, Inc.
Effective
2026-04-15
Filed
May 8, 2026, 7:59 PM ET
on April 10, 2026, the board of directors (the “Board”) of Tango Therapeutics, Inc. (the “Company”) determined that Daniella Beckman will no longer serve as the Company’s Chief Financial Officer, principal accounting officer and principal financial officer, effective as of April 15, 2026.
Departed

Aaron Davis

Member of the Board of Directors, Class III director
TNGX · Tango Therapeutics, Inc.
Effective
2023-08-28
Successor
John Ketchum
Filed
August 30, 2023, 7:59 PM ET
On August 28, 2023, Aaron Davis, a member of the Board of Directors of Tango Therapeutics, Inc. (the “Company”), serving as a Class III director, notified the Company that he is resigning from the Company’s Board of Directors (the “Board”), effective immediately.
Appointed

John Ketchum

Director (Class III)
TNGX · Tango Therapeutics, Inc.
Effective
2023-08-29
Filed
August 30, 2023, 7:59 PM ET
Effective August 29, 2023, the Board appointed John Ketchum as a director of the Company to fill the newly created vacancy on the Board resulting from Mr. Davis’s resignation.
Departed

Alan Huang

Chief Scientific Officer
TNGX · Tango Therapeutics, Inc.
Effective
2023-10-06
Filed
August 7, 2023, 7:59 PM ET
On August 3, 2023, Alan Huang, Ph.D., the Company's Chief Scientific Officer, notified the Company that he intends to transition out of his role as Chief Scientific Officer.
Appointed

Adam Crystal

President, Research & Development
TNGX · Tango Therapeutics, Inc.
Effective
2023-02-27
Filed
February 28, 2023, 6:59 PM ET
On February 28, 2023, Tango Therapeutics, Inc. (“Tango” or the “Company”) announced that Adam Crystal, M.D., Ph.D., 46 years old, was appointed as the Company’s President, Research & Development, effective as of February 27, 2023.
Appointed

Lesley Calhoun

Director
TNGX · Tango Therapeutics, Inc.
Filed
August 13, 2021, 7:59 PM ET
Lesley Calhoun and Reid Huber were appointed as Class I directors, Malte Peters and Mace Rothenberg were appointed as Class II directors and Alexis Borisy, Aaron Davis and Barbara Weber were appointed as Class III directors.
Appointed

Mace Rothenberg

Director
TNGX · Tango Therapeutics, Inc.
Filed
August 13, 2021, 7:59 PM ET
Lesley Calhoun and Reid Huber were appointed as Class I directors, Malte Peters and Mace Rothenberg were appointed as Class II directors and Alexis Borisy, Aaron Davis and Barbara Weber were appointed as Class III directors.
Appointed

Aaron Davis

Director
TNGX · Tango Therapeutics, Inc.
Filed
August 13, 2021, 7:59 PM ET
Lesley Calhoun and Reid Huber were appointed as Class I directors, Malte Peters and Mace Rothenberg were appointed as Class II directors and Alexis Borisy, Aaron Davis and Barbara Weber were appointed as Class III directors.

Earnings & guidance

2026-Q1 EPS reported -$0.32 vs consensus -$0.32 ▼ miss (-0.1%) filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.62 · Most common event earnings

7 positive 2 negative 33 neutral

source · TNGX on sec.gov