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Electra Therapeutics director reports preferred holdings

Form 3 for Electra Therapeutics director Carl L. Gordon details OrbiMed-affiliated preferred stock positions convertible at IPO and a director stock option grant.

(Moderate)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Electra Therapeutics, Inc. (ETRA) reported initial insider holdings for director Carl L. Gordon. The filing lists indirect interests in Series A, B and C Convertible Preferred Stock, each automatically convertible into Common Stock on the closing of Electra’s initial public offering, with no expiration date.

The preferred shares are held by OrbiMed Private Investments VII, LP and OrbiMed Genesis Master Fund, L.P.; related OrbiMed entities, including OrbiMed Advisors LLC and its management committee (which includes Carl L. Gordon), may be deemed to share voting and investment power, while each individual member disclaims beneficial ownership. Gordon also holds a Director Stock Option over 22,632 shares of Common Stock at an exercise price of $15.00 per share, vesting on the earlier of September 17, 2027 and the next annual stockholder meeting, and expiring on September 16, 2036.

Positive

  • None.

Negative

  • None.
Insider GORDON CARL L
Role Director
Type Security Shares Price Value
holding Series A Convertible Preferred Stock F1, F2 -- -- --
holding Series B Convertible Preferred Stock F1, F2 -- -- --
holding Series C Convertible Preferred Stock F1, F3 -- -- --
holding Series C Convertible Preferred Stock F1, F2 -- -- --
holding Director Stock Option (right to buy) F4 -- -- --
Holdings After Transaction: Series A Convertible Preferred Stock — 2,002,310 contracts (Indirect, See footnote); Series B Convertible Preferred Stock — 1,087,934 contracts (Indirect, See footnote); Series C Convertible Preferred Stock — 2,461,593 contracts (Indirect, See footnote); Director Stock Option (right to buy) — 22,632 contracts (Direct)
Footnotes (4)
  1. F1. Each share of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (collectively, the "Preferred Stock") will automatically convert into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date.
  2. F2. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII.
  3. F3. These securities are held directly by OrbiMed Genesis Master Fund, L.P. ("OrbiMed Genesis"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of OrbiMed Genesis. OrbiMed Advisors is the managing member of Genesis GP. By virtue of such relationships, Genesis GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OrbiMed Genesis and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OrbiMed Genesis.
  4. F4. The shares subject to this option shall vest on the earlier of September 17, 2027 and the date of the next annual meeting of the Issuer's stockholders
Series A Preferred underlying Common Stock 2,002,310 shares Underlying Common Stock from Series A Convertible Preferred Stock, indirectly held
Series B Preferred underlying Common Stock 1,087,934 shares Underlying Common Stock from Series B Convertible Preferred Stock, indirectly held
Series C Preferred underlying Common Stock (OrbiMed Genesis) 758,279 shares Underlying Common Stock from Series C Convertible Preferred Stock, indirectly held via OrbiMed Genesis
Series C Preferred underlying Common Stock (OPI VII) 1,703,314 shares Underlying Common Stock from Series C Convertible Preferred Stock, indirectly held via OPI VII
Director Stock Option underlying shares 22,632 shares Common Stock subject to director stock option held directly by Carl L. Gordon
Director Stock Option exercise price $15.00 per share Exercise price of director stock option over 22,632 shares of Common Stock
Director Stock Option expiration September 16, 2036 Expiration date of Carl L. Gordon’s director stock option
Series A Convertible Preferred Stock financial
"Each share of Series A Convertible Preferred Stock, Series B Convertible Preferred"
Series A convertible preferred stock is a class of shares sold in an early funding round that gives investors a mix of protection and upside: it pays a priority claim over common shares if the company is sold or closes, but can be converted into ordinary shares to share in future growth. Think of it like a hybrid between a safer stake and a ticket to ownership; it matters to investors because it affects who controls the company, how future gains are split, and how much their investment is protected from downside.
initial public offering financial
"will automatically convert into 1 share of Common Stock upon the closing of the Issuer's initial public offering"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
beneficial ownership regulatory
"may be deemed to have beneficial ownership over such securities"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Director Stock Option (right to buy) financial
"Director Stock Option (right to buy)"
management committee financial
"OrbiMed Advisors exercises voting and investment power through a management committee"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 3 filing disclose about Electra Therapeutics (ETRA) director Carl L. Gordon?

It discloses Carl L. Gordon’s initial report of indirect interests in Series A, B and C Convertible Preferred Stock of Electra Therapeutics and a Director Stock Option over 22,632 shares of Common Stock, including the entities through which these interests are held and related disclaimers.

How do the Electra Therapeutics (ETRA) preferred shares held by OrbiMed entities convert?

Each share of Series A, B and C Convertible Preferred Stock will automatically convert into 1 share of Common Stock upon the closing of Electra Therapeutics’ initial public offering, without further consideration, and the preferred stock has no expiration date.

Which entities actually hold the Electra Therapeutics (ETRA) preferred shares reported on Carl L. Gordon’s Form 3?

The preferred shares are held directly by OrbiMed Private Investments VII, LP and OrbiMed Genesis Master Fund, L.P. General partners and OrbiMed Advisors LLC may be deemed to share voting and investment power, while individual committee members, including Gordon, disclaim beneficial ownership.

What are the key terms of Carl L. Gordon’s director stock option in Electra Therapeutics (ETRA)?

The Director Stock Option covers 22,632 shares of Common Stock at an exercise price of $15.00 per share, expiring on September 16, 2036. It vests on the earlier of September 17, 2027 and the date of Electra’s next annual meeting of stockholders.

Does Carl L. Gordon personally own the Electra Therapeutics (ETRA) shares reported on the Form 3?

The filing states that OrbiMed entities hold the securities and that OrbiMed Advisors’ management committee, including Carl L. Gordon, may be deemed to have beneficial ownership, but each committee member disclaims beneficial ownership of the shares held by the OrbiMed funds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
GORDON CARL L

(Last)(First)(Middle)
C/O ELECTRA THERAPEUTICS, INC.
230 E GRAND AVENUE, SUITE S-100

(Street)
SOUTH SAN FRANCISCO CALIFORNIA 94080

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
09/18/2026
3. Issuer Name and Ticker or Trading Symbol
Electra Therapeutics, Inc. [ ETRA ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Series A Convertible Preferred Stock (1) (1)Common Stock2,002,310(1)ISee footnote(2)
Series B Convertible Preferred Stock (1) (1)Common Stock1,087,934(1)ISee footnote(2)
Series C Convertible Preferred Stock (1) (1)Common Stock758,279(1)ISee footnote(3)
Series C Convertible Preferred Stock (1) (1)Common Stock1,703,314(1)ISee footnote(2)
Director Stock Option (right to buy) (4)09/16/2036Common Stock22,632$15D
Explanation of Responses:
1. Each share of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (collectively, the "Preferred Stock") will automatically convert into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date.
2. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII.
3. These securities are held directly by OrbiMed Genesis Master Fund, L.P. ("OrbiMed Genesis"). OrbiMed Genesis GP LLC ("Genesis GP") is the general partner of OrbiMed Genesis. OrbiMed Advisors is the managing member of Genesis GP. By virtue of such relationships, Genesis GP and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OrbiMed Genesis and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of the Reporting Person, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OrbiMed Genesis.
4. The shares subject to this option shall vest on the earlier of September 17, 2027 and the date of the next annual meeting of the Issuer's stockholders
/s/ Jamie Kitano, Attorney-in-Fact09/18/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

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