Adiumentum Capital Fund I LP Files 13D on Atara Biotherapeutics

Ticker: ATRA · Form: SC 13D · Filed: May 22, 2024 · CIK: 1604464

Atara Biotherapeutics, INC. SC 13D Filing Summary
FieldDetail
CompanyAtara Biotherapeutics, INC. (ATRA)
Form TypeSC 13D
Filed DateMay 22, 2024
Risk Levelmedium
Pages7
Reading Time9 min
Key Dollar Amounts$0.0001, $5,643,549.82
Sentimentneutral

Sentiment: neutral

Topics: ownership-change, activist-filing, biotech

Related Tickers: ATRA

TL;DR

**13D FILED ON ATARA BIO!** Adiumentum Capital Fund I LP now has a stake.

AI Summary

On May 22, 2024, Adiumentum Capital Fund I LP, along with Gregory A. Ciongoli, filed a Schedule 13D regarding Atara Biotherapeutics, Inc. This filing indicates a change in beneficial ownership of the company's common stock. The filing was made under the Securities Exchange Act of 1934.

Why It Matters

This filing signals a significant investor's increased attention or potential strategic interest in Atara Biotherapeutics, which could influence the company's stock performance and corporate actions.

Risk Assessment

Risk Level: medium — Schedule 13D filings often precede significant corporate events or activist investor campaigns, introducing potential volatility.

Key Players & Entities

FAQ

What is the primary purpose of this Schedule 13D filing?

The filing is to report a change in beneficial ownership of Atara Biotherapeutics, Inc. common stock by Adiumentum Capital Fund I LP and Gregory A. Ciongoli.

Who are the main parties involved in this filing?

The filing involves Adiumentum Capital Fund I LP, Gregory A. Ciongoli, and the subject company Atara Biotherapeutics, Inc.

When was this filing made?

The filing was made on May 22, 2024.

What is the CUSIP number for Atara Biotherapeutics, Inc. common stock?

The CUSIP number for Atara Biotherapeutics, Inc. common stock is 046513107.

What is the business address of Atara Biotherapeutics, Inc. as listed in the filing?

The business address is 2380 Conejo Spectrum St, Suite 200, Thousand Oaks, CA 91320.

Filing Stats: 2,204 words · 9 min read · ~7 pages · Grade level 10.2 · Accepted 2024-05-22 18:18:00

Key Financial Figures

Filing Documents

SIGNATURES

SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. Date: May 22, 2024 ADIUMENTUM CAPITAL FUND I LP By: Adiumentum Capital Fund I GP LLC, its general partner By: /s/ Gregory A. Ciongoli Name: Gregory A. Ciongoli Title: Managing Member Date: May 22, 2024 ADIUMENTUM CAPITAL FUND I GP LLC By: /s/ Gregory A. Ciongoli Name: Gregory A. Ciongoli Title: Managing Member Date: May 22, 2024 GREGORY A. CIONGOLI By: /s/ Gregory A. Ciongoli Gregory A. Ciongoli -8-

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