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OrbiMed (NASDAQ: TRAW) details 11.9% Traws Pharma stake and warrants

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

Rhea-AI Filing Summary

OrbiMed Advisors LLC and OrbiMed Capital GP VIII LLC filed Amendment No. 3 to report beneficial ownership of 1,876,198 Traws Pharma Shares, or 11.9% of the class. This stake includes 1,203,260 Shares held by OrbiMed Private Investments VIII, LP and 672,938 Shares issuable from presently convertible Series C Non-Voting Convertible Preferred Stock.

OPI VIII also holds 96,348 Pre-Funded Warrants, 96,348 2024 Series A Warrants and 2,988,645 2026 Warrants, which are excluded from the 1,876,198-share figure. OrbiMed entities purchased securities in a December 2024 offering and an April 2026 private placement and entered into a support agreement and a registration rights agreement with the issuer.

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Insights

OrbiMed discloses an 11.9% Traws Pharma stake with layered warrants and preferred stock.

OrbiMed, through OrbiMed Private Investments VIII, LP, reports beneficial ownership of 1,876,198 Traws Pharma Shares, or 11.9% of the class, based on 15,150,669 outstanding Shares plus 672,938 Shares from presently convertible Series C Non-Voting Convertible Preferred Stock.

The position mixes 1,203,260 common Shares with preferred stock convertible into 672,938 Shares, subject to a 19.9% beneficial ownership cap. Additional exposure comes from 96,348 Pre-Funded Warrants, 96,348 2024 Series A Warrants and 2,988,645 2026 Warrants, which are currently excluded from the ownership percentage.

OrbiMed participated in both a December 2024 unit offering and an April 2026 private placement, and obtained registration rights for resale of Shares issuable under 2026 Warrants. Future company filings around warrant exercisability and conversions will clarify how much of this potential exposure becomes active equity ownership.

Beneficial ownership Shares 1,876,198 Shares Shares beneficially owned by OrbiMed reporting persons
Ownership percentage 11.9% Percent of Traws Pharma common stock class represented by 1,876,198 Shares
Shares outstanding basis 15,150,669 Shares Outstanding Shares used as base, per Form 10-K plus convertible Series C Preferred component
Common Shares held by OPI VIII 1,203,260 Shares Direct common stock position of OrbiMed Private Investments VIII, LP
Convertible preferred equivalent Shares 672,938 Shares As-converted Shares from 1,682.3473 Series C Preferred Stock, subject to 19.9% cap
Pre-Funded Warrants 96,348 warrants Pre-Funded Warrants held by OPI VIII, excluded from 1,876,198 Share count
2026 Warrants total 2,988,645 warrants Aggregate 2026 Series A, Series B and Series C Warrants held by OPI VIII
Private placement price $1.6730 per Share Price per purchased Share plus accompanying 2026 Warrants in April 2026 private placement
Pre-Funded Warrant financial
"each Class A Unit consisting of one Share or one Pre-Funded Warrant to purchase one Share"
A pre-funded warrant is a financial instrument that gives the holder the right to buy shares of a company's stock at a set price, with most of the purchase cost already paid upfront. It functions like a nearly fully paid option, allowing investors to secure shares quickly while minimizing the amount of additional money they need to invest later. This helps investors gain ownership rights efficiently, often used to avoid certain regulatory restrictions or to prepare for future stock purchases.
2024 Series A Warrant financial
"one Pre-Funded Warrant to purchase one Share and one Series A Warrant to purchase one Share (a "2024 Series A Warrant")"
Series C Non-Voting Convertible Preferred Stock financial
"presently convertible shares of the Issuer's Series C Non-Voting Convertible Preferred Stock ("Series C Preferred Stock")"
Support Agreement financial
"entered into support agreements with the Issuer (the "Support Agreement") whereby the stockholders agreed to vote their Shares"
Registration Rights Agreement financial
"entered into a registration rights agreement (the "Registration Rights Agreement") with the Investors, including OPI VIII"
A registration rights agreement is a contract that gives investors the option to have their ownership stakes officially registered with the government, making it easier to sell their shares later. This agreement matters because it provides investors with a clearer path to cash out their investments if they choose, offering more liquidity and confidence in their ability to sell their holdings when desired.
beneficial ownership limitation financial
"subject to an issuance limitation that prohibits the holder from converting such shares ... in excess of 19.9% of the Shares outstanding"
A beneficial ownership limitation is a rule that caps the percentage of a company’s shares an investor can be treated as owning or controlling for voting, regulatory or tax purposes. It matters to investors because it can restrict how many shares a person or group can buy or vote, affect takeover chances, and influence share liquidity and value — like a speed limit that prevents any single driver from taking over the whole road.





68232V884

(CUSIP Number)
OrbiMed Advisors LLC
601 Lexington Avenue, 54th Floor
New York, NY, 10022
(212) 739-6400


OrbiMed Capital GP VIII LLC
601 Lexington Avenue, 54th Floor
New York, NY, 10022
(212) 739-6400

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
04/16/2026

(Date of Event Which Requires Filing of This Statement)


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).




schemaVersion:


SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


ORBIMED ADVISORS LLC
Signature:/s/ Carl L. Gordon
Name/Title:Carl L. Gordon/Member
Date:05/05/2026
OrbiMed Capital GP VIII LLC
Signature:/s/ Carl L. Gordon
Name/Title:Carl L. Gordon/Member of OrbiMed Advisors LLC
Date:05/05/2026

FAQ

What stake does OrbiMed report in Traws Pharma (TRAW)?

OrbiMed reports beneficial ownership of 1,876,198 Traws Pharma Shares, equal to about 11.9% of the outstanding class. This includes 1,203,260 common Shares and 672,938 Shares issuable from presently convertible Series C Non-Voting Convertible Preferred Stock.

How many Traws Pharma common Shares does OrbiMed’s OPI VIII directly hold?

OrbiMed Private Investments VIII, LP directly holds 1,203,260 Traws Pharma common Shares. These Shares represent approximately 7.9% of the outstanding Shares, before adding the additional ownership from presently convertible Series C Non-Voting Convertible Preferred Stock attributed to OPI VIII.

What preferred stock exposure to Traws Pharma does OrbiMed report?

OPI VIII holds 1,682.3473 shares of Series C Non-Voting Convertible Preferred Stock, equivalent to 672,938 common Shares on an as-converted basis. Conversion is limited so the holder and affiliates cannot exceed 19.9% beneficial ownership of Traws Pharma’s outstanding Shares.

How did OrbiMed acquire its recent Traws Pharma securities?

In December 2024, OPI VIII bought 96,348 Class A Units for an aggregate price of $490,700. In April 2026, it purchased 597,729 Shares and matching 2026 Series A, Series B and Series C Warrants in a private placement priced at $1.6730 per Share and accompanying 2026 Warrants.