Biotech Firm Shuttle Pharma Raises Millions for Drug Development Pipeline

Rhea-AI Filing Summary

Shuttle Pharmaceuticals Holdings has filed a Form D notice for an exempt securities offering under Rule 506(b). The company has successfully raised $4,250,000 through the offering, which was completed on June 20, 2025, with no remaining amount to be sold.

Key details of the offering:

• Securities offered include equity, options/warrants, and securities to be acquired upon exercise
• WestPark Capital served as broker-dealer with sales commissions of $170,000
• Total of 1 investor participated in the offering
• Offering not intended to last more than one year

The company's leadership includes Christopher Cooper (CEO), Peter Dritschilo (President/COO), Mira Jung Tyvin Rich Timothy Lorber (CFO). The pharmaceutical company is headquartered in Gaithersburg, Maryland, and was incorporated in Delaware over five years ago.

Positive

• Successfully completed a $4.25M private placement offering under Rule 506(b)
• Full subscription achieved with offering fully sold ($4.25M raised, $0 remaining)
• Efficient capital raise with relatively low sales commission of 4% ($170,000)

Negative

• Limited investor base with only one investor participating in the offering, indicating potential concentration risk
• Small offering size of $4.25M may not provide substantial runway for a pharmaceutical company

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

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

Notice of Exempt Offering of Securities

OMB APPROVAL

OMB Number:			3235-0076
Estimated average burden
hours per response:			4.00

1. Issuer's Identity

CIK (Filer ID Number)

Previous Names

None

Entity Type

0001757499

Shuttle Pharma Acquisition Corp., Inc.

X	Corporation
	Limited Partnership
	Limited Liability Company
	General Partnership
	Business Trust
	Other (Specify)

Name of Issuer

Shuttle Pharmaceuticals Holdings, Inc.

Jurisdiction of Incorporation/Organization

DELAWARE

Year of Incorporation/Organization

X	Over Five Years Ago
	Within Last Five Years (Specify Year)
	Yet to Be Formed

2. Principal Place of Business and Contact Information

Name of Issuer
Shuttle Pharmaceuticals Holdings, Inc.
Street Address 1		Street Address 2
401 PROFESSIONAL DRIVE, SUITE 260
City	State/Province/Country	ZIP/PostalCode	Phone Number of Issuer
GAITHERSBURG	MARYLAND	20879	240-403-4212

3. Related Persons

Last Name	First Name	Middle Name
Cooper	Christopher
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: X Executive Officer Director Promoter

Clarification of Response (if Necessary):

Chief Executive Officer

Last Name	First Name	Middle Name
Dritschilo	Peter
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	208579

Relationship: X Executive Officer Director Promoter

Clarification of Response (if Necessary):

President and Chief Operating Officer

Last Name	First Name	Middle Name
Jung	Mira
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: X Executive Officer Director Promoter

Clarification of Response (if Necessary):

Chief Scientific Officer for Biology

Last Name	First Name	Middle Name
Rich	Tyvin
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: X Executive Officer Director Promoter

Clarification of Response (if Necessary):

Chief Medical Officer

Last Name	First Name	Middle Name
Lorber	Timothy
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: X Executive Officer Director Promoter

Clarification of Response (if Necessary):

Chief Financial Officer

Last Name	First Name	Middle Name
Scorcis	George
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: Executive Officer X Director Promoter

Clarification of Response (if Necessary):

Last Name	First Name	Middle Name
Richards	Steven
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: Executive Officer X Director Promoter

Clarification of Response (if Necessary):

Last Name	First Name	Middle Name
Nabyt	Oleh
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: Executive Officer X Director Promoter

Clarification of Response (if Necessary):

Last Name	First Name	Middle Name
Tung	Joseph
Street Address 1	Street Address 2
c/o Shuttle Pharmaceuticals	401 Professional Drive, Suite 260
City	State/Province/Country	ZIP/PostalCode
Gaithersburg	MARYLAND	20879

Relationship: Executive Officer X Director Promoter

Clarification of Response (if Necessary):

4. Industry Group

Agriculture

Banking & Financial Services

Commercial Banking

Insurance

Investing

Investment Banking

Pooled Investment Fund

Is the issuer registered as
an investment company under
the Investment Company
Act of 1940?

Yes No

Other Banking & Financial Services

Business Services

Energy

Coal Mining

Electric Utilities

Energy Conservation

Environmental Services

Oil & Gas

Other Energy

	Health Care
	Biotechnology
	Health Insurance
	Hospitals & Physicians
	X Pharmaceuticals
	Other Health Care
	Manufacturing
	Real Estate
	Commercial
	Construction
	REITS & Finance
	Residential
	Other Real Estate

Retailing

Restaurants

Technology

Computers

Telecommunications

Other Technology

Travel

Airlines & Airports

Lodging & Conventions

Tourism & Travel Services

Other Travel

Other

5. Issuer Size

Revenue Range		OR	Aggregate Net Asset Value Range
	No Revenues			No Aggregate Net Asset Value
	$1 - $1,000,000			$1 - $5,000,000
	$1,000,001 - $5,000,000			$5,000,001 - $25,000,000
	$5,000,001 - $25,000,000			$25,000,001 - $50,000,000
	$25,000,001 - $100,000,000			$50,000,001 - $100,000,000
	Over $100,000,000			Over $100,000,000
X	Decline to Disclose			Decline to Disclose
	Not Applicable			Not Applicable

6. Federal Exemption(s) and Exclusion(s) Claimed (select all that apply)

		Rule 504(b)(1) (not (i), (ii) or (iii))
		Rule 504 (b)(1)(i)
		Rule 504 (b)(1)(ii)
		Rule 504 (b)(1)(iii)
	X	Rule 506(b)
		Rule 506(c)
		Securities Act Section 4(a)(5)

Investment Company Act Section 3(c)

Section 3(c)(1) Section 3(c)(9)

Section 3(c)(2) Section 3(c)(10)

Section 3(c)(3) Section 3(c)(11)

Section 3(c)(4) Section 3(c)(12)

Section 3(c)(5) Section 3(c)(13)

Section 3(c)(6) Section 3(c)(14)

Section 3(c)(7)

7. Type of Filing

X	New Notice			Date of First Sale	2025-06-20				First Sale Yet to Occur
	Amendment

8. Duration of Offering

Does the Issuer intend this offering to last more than one year? Yes X No

9. Type(s) of Securities Offered (select all that apply)

X	Equity		Pooled Investment Fund Interests
	Debt		Tenant-in-Common Securities
X	Option, Warrant or Other Right to Acquire Another Security		Mineral Property Securities
X	Security to be Acquired Upon Exercise of Option, Warrant or Other Right to Acquire Security		Other (describe)

10. Business Combination Transaction

Is this offering being made in connection with a business combination transaction, such as a merger, acquisition or exchange offer? Yes X No

Clarification of Response (if Necessary):

11. Minimum Investment

Minimum investment accepted from any outside investor $0 USD

12. Sales Compensation

Recipient	Recipient CRD Number None
WestPark Capital, Inc.	000039914
(Associated) Broker or Dealer None	(Associated) Broker or Dealer CRD Number None
WestPark Capital, Inc.	000039914
Street Address 1	Street Address 2
535 5th Avenue, 22nd Floor
City	State/Province/Country	ZIP/Postal Code
New York	NEW YORK	10017
State(s) of Solicitation (select all that apply) Check "All States" or check individual States All States	Foreign/non-US
DELAWARE

13. Offering and Sales Amounts

Total Offering Amount	$4,250,000	USD	or Indefinite
Total Amount Sold	$4,250,000	USD
Total Remaining to be Sold	$0	USD	or Indefinite

Clarification of Response (if Necessary):

14. Investors

Select if securities in the offering have been or may be sold to persons who do not qualify as accredited investors, and enter the number of such non-accredited investors who already have invested in the offering.

Regardless of whether securities in the offering have been or may be sold to persons who do not qualify as accredited investors, enter the total number of investors who already have invested in the offering:

1

15. Sales Commissions & Finder's Fees Expenses

Provide separately the amounts of sales commissions and finders fees expenses, if any. If the amount of an expenditure is not known, provide an estimate and check the box next to the amount.

Sales Commissions	$170,000	USD	Estimate
Finders' Fees	$0	USD	Estimate

Clarification of Response (if Necessary):

16. Use of Proceeds

Provide the amount of the gross proceeds of the offering that has been or is proposed to be used for payments to any of the persons required to be named as executive officers, directors or promoters in response to Item 3 above. If the amount is unknown, provide an estimate and check the box next to the amount.

$0 USD X Estimate

Clarification of Response (if Necessary):

Signature and Submission

Please verify the information you have entered and review the Terms of Submission below before signing and clicking SUBMIT below to file this notice.

Terms of Submission

In submitting this notice, each issuer named above is:

• Notifying the SEC and/or each State in which this notice is filed of the offering of securities described and undertaking to furnish them, upon written request, in the accordance with applicable law, the information furnished to offerees.*

• Irrevocably appointing each of the Secretary of the SEC and, the Securities Administrator or other legally designated officer of the State in which the issuer maintains its principal place of business and any State in which this notice is filed, as its agents for service of process, and agreeing that these persons may accept service on its behalf, of any notice, process or pleading, and further agreeing that such service may be made by registered or certified mail, in any Federal or state action, administrative proceeding, or arbitration brought against the issuer in any place subject to the jurisdiction of the United States, if the action, proceeding or arbitration (a) arises out of any activity in connection with the offering of securities that is the subject of this notice, and (b) is founded, directly or indirectly, upon the provisions of: (i) the Securities Act of 1933, the Securities Exchange Act of 1934, the Trust Indenture Act of 1939, the Investment Company Act of 1940, or the Investment Advisers Act of 1940, or any rule or regulation under any of these statutes, or (ii) the laws of the State in which the issuer maintains its principal place of business or any State in which this notice is filed.

• Certifying that, if the issuer is claiming a Regulation D exemption for the offering, the issuer is not disqualified from relying on Rule 504 or Rule 506 for one of the reasons stated in Rule 504(b)(3) or Rule 506(d).

Each Issuer identified above has read this notice, knows the contents to be true, and has duly caused this notice to be signed on its behalf by the undersigned duly authorized person.

For signature, type in the signer's name or other letters or characters adopted or authorized as the signer's signature.

Issuer	Signature	Name of Signer	Title	Date
Shuttle Pharmaceuticals Holdings, Inc.	/s/ Christopher Cooper	Christopher Cooper	Interim Chief Executive Officer	2025-06-25

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.

* This undertaking does not affect any limits Section 102(a) of the National Securities Markets Improvement Act of 1996 ("NSMIA") [Pub. L. No. 104-290, 110 Stat. 3416 (Oct. 11, 1996)] imposes on the ability of States to require information. As a result, if the securities that are the subject of this Form D are "covered securities" for purposes of NSMIA, whether in all instances or due to the nature of the offering that is the subject of this Form D, States cannot routinely require offering materials under this undertaking or otherwise and can require offering materials only to the extent NSMIA permits them to do so under NSMIA's preservation of their anti-fraud authority.

FAQ

What type of securities offering did SHPH file in June 2025?

SHPH filed a Form D for an exempt securities offering under Rule 506(b), offering equity securities, options/warrants, and securities to be acquired upon exercise of those rights. The total offering amount was $4,250,000.

Who are the key executive officers of SHPH as disclosed in the Form D?

The key executives disclosed are: Christopher Cooper (CEO), Peter Dritschilo Mira Jung Tyvin Rich Timothy Lorber (CFO).

How much in sales commissions did SHPH pay for this offering?

SHPH paid $170,000 in sales commissions for this offering to WestPark Capital, Inc. (CRD Number: 000039914), with no additional finder's fees reported.

What is SHPH's primary business focus according to the Form D?

SHPH (Shuttle Pharmaceuticals Holdings, Inc.) operates in the pharmaceuticals industry sector, as indicated by their industry group selection in the Form D filing.

How many investors participated in SHPH's Form D offering?

According to the filing, 1 investor has already invested in the offering. The offering has been fully subscribed with the total amount sold being $4,250,000 and $0 remaining to be sold.