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Deep Track lifts LB Pharmaceuticals (LBRX) beneficial stake to 11.7%

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

Rhea-AI Filing Summary

Deep Track Capital and affiliates updated their ownership filing for LB Pharmaceuticals Inc. after participating in a private placement. Following the transaction, Deep Track Capital, LP and David Kroin report beneficial ownership of 3,352,804 shares of common stock, representing 11.7% of the company.

The issuer sold 3,306,571 common shares and pre-funded warrants to purchase up to 1,417,107 additional shares in the private placement. Deep Track Biotechnology Master Fund, Ltd holds 2,686,138 shares, or 9.4% of the class, and Deep Track Special Opportunities Fund, LP holds 666,666 shares, or 2.3%. The pre-funded warrants have a $0.0001 exercise price and are subject to a 9.99% beneficial ownership cap, so the reporting persons currently disclaim beneficial ownership of the underlying warrant shares. LB Pharmaceuticals agreed to register the resale of the purchased shares and warrant shares on a Form S-1 and to keep that registration effective under specified conditions.

Positive

  • None.

Negative

  • None.





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






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


Deep Track Biotechnology Master Fund, Ltd.
Signature:/s/ David Kroin
Name/Title:David Kroin, Director
Date:02/10/2026
Deep Track Special Opportunities Fund, LP
Signature:/s/ David Kroin
Name/Title:David Kroin, Managing Member of the General Partner of the Investment Manager
Date:02/10/2026
Deep Track Capital, LP
Signature:/s/ David Kroin
Name/Title:David Kroin, Managing Member of the General Partner
Date:02/10/2026
David Kroin
Signature:/s/ David Kroin
Name/Title:David Kroin
Date:02/10/2026

FAQ

What ownership stake in LBRX does Deep Track Capital now report?

Deep Track Capital, LP and David Kroin report beneficial ownership of 3,352,804 LB Pharmaceuticals shares, representing 11.7% of the common stock. This includes shares held through Deep Track Biotechnology Master Fund and Deep Track Special Opportunities Fund.

How many LBRX shares does Deep Track Biotechnology Master Fund hold?

Deep Track Biotechnology Master Fund, Ltd directly holds 2,686,138 shares of LB Pharmaceuticals common stock. This position represents 9.4% of the class, with shared voting and dispositive power over all of these shares as disclosed.

What is Deep Track Special Opportunities Fund’s position in LBRX?

Deep Track Special Opportunities Fund, LP directly holds 666,666 shares of LB Pharmaceuticals common stock. This stake represents 2.3% of the outstanding common stock, with shared voting and dispositive power over the entire position.

What were the key terms of LB Pharmaceuticals’ recent private placement?

LB Pharmaceuticals agreed to sell 3,306,571 common shares and pre-funded warrants for up to 1,417,107 shares. Each share was priced at $21.17, and each pre-funded warrant at $21.1699, with a minimal $0.0001 exercise price per warrant share.

How do the pre-funded warrants in LBRX held by Deep Track work?

Deep Track funds purchased pre-funded warrants with a $0.0001 exercise price that are exercisable immediately and do not expire. However, a 9.99% beneficial ownership cap prevents exercise if it would push holdings above that percentage of outstanding shares.

What registration rights did LB Pharmaceuticals grant for LBRX securities?

LB Pharmaceuticals agreed to file a Form S-1 registration statement to register the resale of the purchased shares and warrant shares. It must be filed within 60 days of closing and the company will use reasonable best efforts to have it declared effective and kept effective.

How many LBRX shares are assumed outstanding after the private placement?

Beneficial ownership percentages are calculated assuming 28,605,673 LB Pharmaceuticals common shares outstanding. This figure combines 25,299,102 shares reported as outstanding previously plus the 3,306,571 shares issued in the private placement.
LB Pharmaceuticals

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Biotechnology
Pharmaceutical Preparations
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