Electra Therapeutics: OrbiMed funds buy 92,116 shares

The shares were held through two funds; the jointly reporting entities disclaim beneficial ownership except to the extent of any pecuniary interest.

Available on EDGAR 11/10/2026 - 08:10 PM EST Accepted by SEC EDGAR 11/10/2026 - 08:09 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Electra Therapeutics, Inc. (ETRA) shares were purchased in six reported transactions totaling 92,116 shares by two funds. OrbiMed Private Investments VII, LP bought 20,700 shares at $8.45 on November 10, 2026, 4,000 at $8.24 on November 9 and 9,816 at $7.85 on November 6; OrbiMed Genesis Master Fund, L.P. bought 2,000, 16,000 and 39,600 shares at the respective prices and dates. OrbiMed Advisors LLC, OrbiMed Capital GP VII LLC and OrbiMed Genesis GP LLC filed jointly and disclaim beneficial ownership except to the extent of any pecuniary interest.

Insider Trade Summary

Net Buyer: 92,116 shares

Net Buy 6 txns

Insider ORBIMED ADVISORS LLC, OrbiMed Capital GP VII LLC, OrbiMed Genesis GP LLC

Role Director, 10% Owner | Director, 10% Owner | Director, 10% Owner

Bought 92,116 shs ($745K)

Type	Security	Shares	Price	Value
Purchase	Common Stock F1, F3	20,700	$8.45	$175K
Purchase	Common Stock F2, F3	2,000	$8.45	$17K
Purchase	Common Stock F1, F3	4,000	$8.24	$33K
Purchase	Common Stock F2, F3	16,000	$8.24	$132K
Purchase	Common Stock F1, F3	9,816	$7.85	$77K
Purchase	Common Stock F2, F3	39,600	$7.85	$311K

Holdings After Transaction: Common Stock — 2,194,579 shares (Indirect, See footnotes)

Footnotes (3)

1. F1. 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 Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII.
2. F2. 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 Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OrbiMed Genesis.
3. F3. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

Key Figures

Common Stock purchased: 20,700 shares at $8.45 per share Common Stock purchased: 4,000 shares at $8.24 per share Common Stock purchased: 9,816 shares at $7.85 per share +3 more

6 metrics

Common Stock purchased 20,700 shares at $8.45 per share OrbiMed Private Investments VII, LP; November 10, 2026

Common Stock purchased 4,000 shares at $8.24 per share OrbiMed Private Investments VII, LP; November 9, 2026

Common Stock purchased 9,816 shares at $7.85 per share OrbiMed Private Investments VII, LP; November 6, 2026

Common Stock purchased 2,000 shares at $8.45 per share OrbiMed Genesis Master Fund, L.P.; November 10, 2026

Common Stock purchased 16,000 shares at $8.24 per share OrbiMed Genesis Master Fund, L.P.; November 9, 2026

Common Stock purchased 39,600 shares at $7.85 per share OrbiMed Genesis Master Fund, L.P.; November 6, 2026

Key Terms

beneficial ownership, voting power, investment power, pecuniary interest

4 terms

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.

voting power regulatory

"may be deemed to have voting power and investment power"

Voting power is the ability shareholders have to influence a company's major decisions—like electing the board, approving mergers, or changing corporate rules—based on the voting rights attached to the shares they hold. For investors it matters because greater voting power is like holding more keys to a building: it gives you a stronger say over management choices and the company’s strategy, which can affect future value and risk.

investment power regulatory

"may be deemed to have voting power and investment power"

pecuniary interest regulatory

"except to the extent of its pecuniary interest therein"

FAQ

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

How many ETRA shares did OrbiMed-affiliated funds purchase?

The two funds purchased a total of 92,116 shares in six transactions. OrbiMed Private Investments VII, LP bought 20,700 shares at $8.45 on November 10, 2026, 4,000 at $8.24 on November 9 and 9,816 at $7.85 on November 6; OrbiMed Genesis Master Fund, L.P. bought 2,000, 16,000 and 39,600 shares at the respective prices and dates. No Rule 10b5-1 plan is reported.

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

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ORBIMED ADVISORS LLC

(Last) (First) (Middle)

601 LEXINGTON AVENUE

54TH FLOOR

(Street)

NEW YORK NEW YORK 10022

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Electra Therapeutics, Inc. [ ETRA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/06/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/06/2026		P		9,816	A	$7.85	5,230,578	I	See footnotes(1)(3)
Common Stock	11/06/2026		P		39,600	A	$7.85	2,176,579	I	See footnotes(2)(3)
Common Stock	11/09/2026		P		4,000	A	$8.24	5,234,578	I	See footnotes(1)(3)
Common Stock	11/09/2026		P		16,000	A	$8.24	2,192,579	I	See footnotes(2)(3)
Common Stock	11/10/2026		P		20,700	A	$8.45	5,255,278	I	See footnotes(1)(3)
Common Stock	11/10/2026		P		2,000	A	$8.45	2,194,579	I	See footnotes(2)(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

ORBIMED ADVISORS LLC

(Last) (First) (Middle)

601 LEXINGTON AVENUE

54TH FLOOR

(Street)

NEW YORK NEW YORK 10022

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

OrbiMed Capital GP VII LLC

(Last) (First) (Middle)

601 LEXINGTON AVENUE, 54TH FLOOR

(Street)

NEW YORK NEW YORK 10022

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

OrbiMed Genesis GP LLC

(Last) (First) (Middle)

601 LEXINGTON AVENUE, 54TH FLOOR

(Street)

NEW YORK NEW YORK 10022

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. 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 Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII.

2. 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 Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OrbiMed Genesis.

3. This report on Form 4 is jointly filed by OrbiMed Advisors, GP VII and Genesis GP. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

	/s/ Carl L. Gordon, Member of OrbiMed Advisors LLC	11/10/2026
	/s/ Carl L. Gordon, Member of OrbiMed Capital GP VII LLC	11/10/2026
	/s/ Carl L. Gordon, Member of OrbiMed Genesis GP LLC	11/10/2026
	** Signature of Reporting Person	Date
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 4 (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 4: SEC 1474 (03-26)