Other3

Iambic Therapeutics, Inc.

Total Value

$NaN

Filing Date

Oct 14, 2026

1 transactions

Trade Summary

On Oct 14, 2026, Catalio Capital Management, LP, 10% Owner, reported $NaN of Iambic Therapeutics, Inc. (IAM) across 1 transactions. The filing covers company securities and reflects balanced net activity of $NaN. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Insider Information

Name: Catalio Capital Management, LP
Role: 10% Owner
Location: NEW YORK, NY

Filing Details

Filing Date: Oct 14, 2026
Transaction Date: Oct 14, 2026
Accession Number: 0001958125-26-000010
Form Type: 3

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Footnotes

(F1)Each share of Series A Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.
(F2)The shares are held of record by Catalio Nexus Fund III, LP, or Catalio Nexus. Catalio Capital Management, LP, or Catalio Capital Mgmt, a registered investment adviser, is the investment manager for Catalio Nexus. R. Jacob Vogelstein and George C. Petrocheilos are managing partners of Catalio Capital Mgmt. Messrs. Vogelstein and Petrocheilos share voting and dispositive power with respect to the shares held by Catalio Nexus. Catalio Capital Mgmt, Mr. Voglestein and Mr. Petrocheilos each disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.
(F3)Each share of Series B Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.
(F4)Each share of Series B-3 Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.
(F5)Each share of Series B-4 Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.
(F6)The shares are held of record by Catalio Access Fund VIII, LLC, or Catalio Access. Catalio Capital Mgmt provides investment management services for Catalio Access. R. Jacob Vogelstein and George C. Petrocheilos are managing partners of Catalio Capital Mgmt. Messrs. Vogelstein and Petrocheilos share voting and dispositive power with respect to the shares held by Catalio Access. Catalio Capital Mgmt, Mr. Voglestein and Mr. Petrocheilos each disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.
(F7)The amount of shares reported assumes the Issuer's initial public offering price per share (the "IPO Price") to be $16.00 per share.
(F8)The conversion price is equal to the lower of (i) 85% of the IPO Price (reflecting a 15% discount) and (ii) the price per share implied by a $900.0 million valuation cap.
(F9)The shares are held of record by Catalio BH SPV, LLC, or Catalio SPV. Catalio Capital Mgmt is the investment manager for Catalio SPV. R. Jacob Vogelstein and George C. Petrocheilos are managing partners of Catalio Capital Mgmt. Messrs. Vogelstein and Petrocheilos share voting and dispositive power with respect to the shares held by Catalio SPV. Catalio Capital Mgmt, Mr. Voglestein and Mr. Petrocheilos each disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

SEC Form 3

FORM 3

UNITED 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^*

Catalio Capital Management, LP

(Last)

(First)

(Middle)

512 W. 22ND STREET

5TH FLOOR

(Street)

NEW YORK

10011

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/14/2026

3. Issuer Name and Ticker or Trading Symbol
Iambic Therapeutics, Inc. [ IAM ]

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

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

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

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

	Form filed by One Reporting Person
X	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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Series A Convertible Preferred Stock	⁽¹⁾	⁽¹⁾	Common Stock	1,141,878	⁽¹⁾	I	See Footnote⁽²⁾
Series B Convertible Preferred Stock	⁽³⁾	⁽³⁾	Common Stock	731,187	⁽³⁾	I	See footnote⁽²⁾
Series B-3 Convertible Preferred Stock	⁽⁴⁾	⁽⁴⁾	Common Stock	122,684	⁽⁴⁾	I	See footnote⁽²⁾
Series B-4 Convertible Preferred Stock	⁽⁵⁾	⁽⁵⁾	Common Stock	1,458,290	⁽⁵⁾	I	See footnote⁽⁶⁾
Convertible Promissory Notes	10/16/2026	08/14/2026	Common Stock	742,546⁽⁷⁾	⁽⁸⁾	I	See footnote⁽⁹⁾

1. Name and Address of Reporting Person^*

Catalio Capital Management, LP

(Last)

(First)

(Middle)

512 W. 22ND STREET

5TH FLOOR

(Street)

NEW YORK

10011

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Catalio Nexus Fund III, LP

(Last)

(First)

(Middle)

512 W. 22ND STREET

5TH FLOOR

(Street)

NEW YORK

10011

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Catalio Access Fund VIII, LLC

(Last)

(First)

(Middle)

512 W. 22ND STREET

5TH FLOOR

(Street)

NEW YORK

10011

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Catalio BH SPV, LLC

(Last)

(First)

(Middle)

512 W. 22ND STREET, 5TH FLOOR

(Street)

NEW YORK

10011

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Petrocheilos George C

(Last)

(First)

(Middle)

512 W. 22ND STREET

5TH FLOOR

(Street)

NEW YORK

10011

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. Each share of Series A Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.

2. The shares are held of record by Catalio Nexus Fund III, LP, or Catalio Nexus. Catalio Capital Management, LP, or Catalio Capital Mgmt, a registered investment adviser, is the investment manager for Catalio Nexus. R. Jacob Vogelstein and George C. Petrocheilos are managing partners of Catalio Capital Mgmt. Messrs. Vogelstein and Petrocheilos share voting and dispositive power with respect to the shares held by Catalio Nexus. Catalio Capital Mgmt, Mr. Voglestein and Mr. Petrocheilos each disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

3. Each share of Series B Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.

4. Each share of Series B-3 Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.

5. Each share of Series B-4 Convertible Preferred Stock shall automatically convert into Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and has no expiration date.

6. The shares are held of record by Catalio Access Fund VIII, LLC, or Catalio Access. Catalio Capital Mgmt provides investment management services for Catalio Access. R. Jacob Vogelstein and George C. Petrocheilos are managing partners of Catalio Capital Mgmt. Messrs. Vogelstein and Petrocheilos share voting and dispositive power with respect to the shares held by Catalio Access. Catalio Capital Mgmt, Mr. Voglestein and Mr. Petrocheilos each disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

7. The amount of shares reported assumes the Issuer's initial public offering price per share (the "IPO Price") to be $16.00 per share.

8. The conversion price is equal to the lower of (i) 85% of the IPO Price (reflecting a 15% discount) and (ii) the price per share implied by a $900.0 million valuation cap.

9. The shares are held of record by Catalio BH SPV, LLC, or Catalio SPV. Catalio Capital Mgmt is the investment manager for Catalio SPV. R. Jacob Vogelstein and George C. Petrocheilos are managing partners of Catalio Capital Mgmt. Messrs. Vogelstein and Petrocheilos share voting and dispositive power with respect to the shares held by Catalio SPV. Catalio Capital Mgmt, Mr. Voglestein and Mr. Petrocheilos each disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.

	/s/ Olga Maltseva, Chief Compliance Officer of Catalio Capital Management, LP	10/14/2026
	/s/ Olga Maltseva, Chief Compliance Officer of Catalio Capital Management, LP, Manager of Catalio Nexus Fund III, LP	10/14/2026
	/s/ Olga Maltseva, Chief Compliance Officer of Catalio Capital Management, LP, Manager of Catalio Access Fund VIII, LLC	10/14/2026
	/s/ Olga Maltseva, Chief Compliance Officer of Catalio Capital Management, LP, Manager of Catalio BH SPV, LLC	10/14/2026
	/s/ George C. Petrocheilos, individually	10/14/2026
	** 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 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 as rendered by the SEC from accession 0001958125-26-000010.

Iambic Therapeutics, Inc.

Trade Summary

Company Information

Insider Information

Filing Details

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Footnotes

SEC Form 3

SEC Filing

SEC Form 3