secwatch / observer
8-K filed March 18, 2025, 7:59 PM ET ticker KLRS CIK 0001754068
other material confidence high sentiment neutral materiality 0.90

Kalaris Therapeutics, Inc. (KLRS): M&A transaction — AlloVir completes reverse merger with Legacy Kalaris; ticker changes to KLRS on Nasdaq

Kalaris Therapeutics, Inc.

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Departed

Derek Adams

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
Appointed

Samir Patel

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Appointed

Morana Jovan-Embiricos

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Appointed

David Hallal

Chair of the Board
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
David Hallal was appointed Chair of the Board.
Departed

Vikas Sinha

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
Appointed

David Hallal

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Departed

Juan Vera

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
Departed

Shawn Tomasello

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
Departed

Malcom Brenner

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
Appointed

Anthony Adamis

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Appointed

Andrew Oxtoby

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Departed

Jeffrey S. Bornstein

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
Appointed

Napoleone Ferrara

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Appointed

Michael Dybbs

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Appointed

Srinivas Akkaraju

Director
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
Appointed

Andrew Oxtoby

President and Chief Executive Officer
KLRS · Kalaris Therapeutics, Inc.
Effective
2025-03-18
Filed
March 18, 2025, 7:59 PM ET
Mr. Oxtoby, age 51, has served as the Combined Company’s President and Chief Executive Officer and as a member of the Board since the Closing.

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 1.0

Derek Adams resigned as Director at Kalaris Therapeutics, Inc..

Action
resigned
Role
Director
Exact text from the filing
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Samir Patel was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Morana Jovan-Embiricos was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

David Hallal was appointed as Chair of the Board at Kalaris Therapeutics, Inc..

Action
appointed
Role
Chair of the Board
Exact text from the filing
David Hallal was appointed Chair of the Board.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Vikas Sinha resigned as Director at Kalaris Therapeutics, Inc..

Action
resigned
Role
Director
Exact text from the filing
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

David Hallal was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Juan Vera resigned as Director at Kalaris Therapeutics, Inc..

Action
resigned
Role
Director
Exact text from the filing
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Shawn Tomasello resigned as Director at Kalaris Therapeutics, Inc..

Action
resigned
Role
Director
Exact text from the filing
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Malcom Brenner resigned as Director at Kalaris Therapeutics, Inc..

Action
resigned
Role
Director
Exact text from the filing
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Anthony Adamis was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Andrew Oxtoby was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Jeffrey S. Bornstein resigned as Director at Kalaris Therapeutics, Inc..

Action
resigned
Role
Director
Exact text from the filing
at the Effective Time, Vikas Sinha, Derek Adams, Ph.D., Malcom Brenner, M.D., Ph.D., Jeffrey S. Bornstein, Shawn Tomasello and Juan Vera, M.D., resigned from the Board
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Napoleone Ferrara was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Michael Dybbs was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Srinivas Akkaraju was appointed as Director at Kalaris Therapeutics, Inc..

Action
appointed
Role
Director
Exact text from the filing
the Board was reconstituted as follows: (i) David Hallal and Morana Jovan-Embiricos, Ph.D. (designated by AlloVir), (ii) Andrew Oxtoby, Anthony Adamis, Srinivas Akkaraju, M.D., Ph.D., Michael Dybbs, Ph.D., Napoleone Ferrara, M.D., and Samir Patel, M.D.
View on SEC.gov
Executive change SEC 8-K Item 5.02 confidence 1.0

Andrew Oxtoby was appointed as President and Chief Executive Officer at Kalaris Therapeutics, Inc..

Action
appointed
Role
President and Chief Executive Officer
Exact text from the filing
Mr. Oxtoby, age 51, has served as the Combined Company’s President and Chief Executive Officer and as a member of the Board since the Closing.
View on SEC.gov
Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Kalaris Therapeutics, Inc.: Amended certificate of incorporation to change company name from AlloVir, Inc. to Kalaris Therapeutics, Inc.

Change
charter amendment
Exact text from the filing
Effective as of 4:02 p.m., Eastern Time on the Closing Date, the Combined Company amended its Third Amended and Restated Certificate of Incorporation, as amended (as may be further amended from time to time, the “Certificate of Incorporation” and such amendment, the “Charter Amendment”), to effect a change of the Combined Company’s name from “AlloVir, Inc.” to “Kalaris Therapeutics, Inc.” (the “Name Change”).
View on SEC.gov
Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Kalaris Therapeutics, Inc.: Amended and restated by-laws solely to reflect company name change.

Change
bylaw amendment
Exact text from the filing
In connection with the Name Change, the Board also approved an amendment and restatement of the Company’s Amended and Restated By-Laws solely to reflect the Name Change (the “Amended and Restated By-Laws”), effective as of the Closing Date.
View on SEC.gov
Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Kalaris Therapeutics, Inc.: Removed reverse stock split provisions from restated charter (effective 2025-01-15).

Change
fiscal year change
Effective
2025-01-15
Exact text from the filing
Effective as of 4:03 p.m., Eastern Time on the Closing Date, the Combined Company restated the Certificate of Incorporation (as restated, the “Restated Charter”) and removed certain provisions that effectuated a reverse stock split of issued and outstanding shares of AlloVir Common Stock on January 15, 2025.
View on SEC.gov
Governance Changes SEC 8-K Item 5.03/5.05/5.06 confidence 0.9

Kalaris Therapeutics, Inc.: Combined Company ceased to be a shell company as a result of the merger.

Change
shell status
Exact text from the filing
As a result of the Merger, the Combined Company ceased to be a shell company (as defined in Rule 12b-2 of the Exchange Act) as of the Closing.
View on SEC.gov
M&A Transactions SEC 8-K Item 2.01/5.01 confidence 0.9

Kalaris Therapeutics, Inc. underwent a change of control involving Legacy Kalaris for 13,634,744 shares of Combined Company Common Stock (closed 2025-03-18).

Action
change of control
Counterparty
Legacy Kalaris
Consideration
13,634,744 shares of Combined Company Common Stock
Closing
2025-03-18
Exact text from the filing
of shares of Combined Company Common Stock that AlloVir issued to Legacy Kalaris’ securityholders (including all holders of outstanding convertible notes) at the Closing is 13,634,744, resulting in approximately 18,702,413 shares of Combined Company Common Stock, being issued and outstanding immediately following the Effective Time. This number reflects, as of
View on SEC.gov

102 governance changes filed in the last 30 days. Browse all governance changes →

Kalaris Therapeutics, Inc. filing history →

Source: SEC EDGAR
accession 0001193125-25-056725
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