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KAOS Capital and Adam Arviv trim Psyence Biomedical (PBM) stake to 4.91%

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

KAOS Capital Ltd. and founder Adam Arviv filed Amendment No. 1 to their Schedule 13D on Psyence Biomedical Ltd., reporting beneficial ownership of 313,876 common shares, or 4.91% of the company’s outstanding stock. The filing notes they used approximately $519,493.36 of KAOS working capital to acquire these shares. The investors state they view Psyence as an attractive opportunity but express significant concerns about how the company’s assets are currently managed. They intend to engage with management and the board on operations, governance, strategy, and possible alternative directors and strategic changes. Because their ownership fell below five percent due to changes in shares outstanding, this amendment is described as their final Schedule 13D amendment for Psyence.

Positive

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Negative

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Insights

KAOS/Arviv move below 5% but signal ongoing activist-style engagement.

KAOS Capital Ltd. and Adam Arviv report beneficial ownership of 313,876 Psyence Biomedical common shares, representing 4.91% of outstanding stock based on 6,388,604 shares as of January 2, 2026. The filing explains they invested approximately $519,493.36, funded from KAOS working capital.

Although their stake has slipped below the 5% threshold because of a change in total shares outstanding, they explicitly state concerns about how Psyence’s assets are managed. They outline intentions to engage on operational, management, corporate governance and strategic matters, and mention the potential benefit of alternative directors and a change in strategy.

The document notes that this is the final Schedule 13D amendment for these holders because they no longer exceed 5% ownership. However, they also say they may increase or decrease their position and use various securities or derivatives tied to Psyence, so future holdings and their economic exposure could change, depending on later decisions and market conditions.






If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on 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).






SCHEDULE 13D




Comment for Type of Reporting Person:
*Based on 6,388,604 shares of Common Stock outstanding on January 2, 2026, as reported in the Issuer's Notice of Annual and Special Meeting of Shareholders and Management Information Circular attached as Exhibit 99.1 to Form 6-K filed with the Securities and Exchange Commission on January 8, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
*Based on 6,388,604 shares of Common Stock outstanding on January 2, 2026, as reported in the Issuer's Notice of Annual and Special Meeting of Shareholders and Management Information Circular attached as Exhibit 99.1 to Form 6-K filed with the Securities and Exchange Commission on January 8, 2026.


SCHEDULE 13D


KAOS Capital Ltd.
Signature:/s/ Adam Arviv
Name/Title:Adam Arviv / Chief Executive Officer
Date:01/13/2026
Adam Arviv
Signature:/s/ Adam Arviv
Name/Title:Adam Arviv, Individually
Date:01/13/2026

FAQ

How many Psyence Biomedical (PBM) shares do KAOS Capital and Adam Arviv report owning?

They report beneficial ownership of 313,876 shares of Psyence Biomedical common stock, representing 4.91% of the outstanding shares based on 6,388,604 shares as of January 2, 2026.

Why did KAOS Capital file Amendment No. 1 to its Schedule 13D for Psyence Biomedical (PBM)?

Amendment No. 1 was filed to update their beneficial ownership to 4.91% of Psyence Biomedical’s common stock and to describe their intent to engage with management and the board on operational, governance, and strategic matters.

What concerns do KAOS Capital and Adam Arviv have about Psyence Biomedical (PBM)?

They state that while they see Psyence’s securities as an attractive investment, they have significant concerns about the current management of the company’s assets and believe the issuer could benefit from alternative directors and a change in strategy.

How much did KAOS Capital invest to acquire its Psyence Biomedical (PBM) stake?

The reporting persons state they used approximately $519,493.36 (excluding brokerage commissions), funded from KAOS working capital, to acquire the reported shares of Psyence Biomedical common stock.

Are KAOS Capital and Adam Arviv still beneficial owners of more than 5% of Psyence Biomedical (PBM)?

No. Due to a change in the aggregate number of Psyence common shares outstanding, they report ownership of 4.91% and state that this filing is their final Schedule 13D amendment for this position.

Do KAOS Capital and Adam Arviv plan to change their Psyence Biomedical (PBM) position?

They state they will continually review their investment and, depending on factors such as Psyence’s financial position, strategic direction, and market conditions, may increase or decrease their holdings or adjust their economic exposure through various securities or instruments.

What role does Adam Arviv have in relation to KAOS Capital and Psyence Biomedical (PBM) shares?

Adam Arviv is described as the founder and chief executive officer of KAOS Capital Ltd. and manages KAOS’s business and investments, which include ownership of Psyence Biomedical common stock reported in this filing.
Psyence Biomedical Ltd.

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