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Grace Therapeutics, Inc. has a significant shareholder group reporting beneficial ownership of its common stock. As of June 30, 2026, Nantahala Capital Management, LLC, together with Wilmot B. Harkey and Daniel Mack, may be deemed to beneficially own 1,178,203 shares of common stock, representing 6.75% of the outstanding class. These shares are held by funds and separately managed accounts under Nantahala’s control and are all issuable within sixty days upon exercise of convertible securities. The reporting persons have no sole voting or dispositive power but share voting and dispositive power over the same 1,178,203 shares.
Key Figures
Beneficially owned shares:1,178,203 sharesPercent of class:6.75%Shared voting power:1,178,203 shares+2 more
5 metrics
Beneficially owned shares1,178,203 sharesShares that may be acquired within sixty days through convertible securities as of June 30, 2026
Percent of class6.75%Beneficial ownership percentage for each of the three reporting persons as of June 30, 2026
Shared voting power1,178,203 sharesShares over which each reporting person has shared power to vote or direct the vote
Sole voting power0 sharesShares over which each reporting person has sole power to vote or direct the vote
Shared dispositive power1,178,203 sharesShares over which each reporting person has shared power to dispose or direct disposition
"Nantahala may be deemed to be the beneficial owner of 1,178,203 Shares"
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
shared voting powerfinancial
"Shared Voting Power 1,178,203.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerfinancial
"Shared Dispositive Power 1,178,203.00"
convertible securitiesfinancial
"Shares which may be acquired by the Reporting Persons within sixty days through the exercise of convertible securities"
Convertible securities are bonds or preferred shares that can be exchanged for a company’s common stock at a predetermined price or under specified conditions. They matter because they combine the steadiness of a loan or fixed dividend with the potential upside of ownership; like a safety‑net that carries a one‑time ticket to become a shareholder, they affect expected returns and can dilute existing stock if converted.
control personfinancial
"Each of Messrs. Harkey and Mack is filing this as a control person in respect of shares"
A control person is an individual or entity that can significantly influence a company’s decisions and direction through ownership, voting power, or contractual rights—think of them as the captain who can steer the ship. Investors care because a control person’s choices affect corporate strategy, board appointments, and transactions that can raise or lower a stock’s value, and they often carry additional legal responsibilities and disclosure requirements to protect other shareholders.
investment adviserfinancial
"Nantahala, an investment adviser as described in ss. 240.13d-1(b)(1)(ii)(E)"
An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What percentage of Grace Therapeutics (GRCE) does Nantahala Capital beneficially own?
Nantahala Capital Management, LLC and related reporting persons may be deemed to beneficially own 6.75% of Grace Therapeutics’ common stock, based on 1,178,203 shares as of June 30, 2026, held through funds and managed accounts.
How many Grace Therapeutics (GRCE) shares are reported by Nantahala Capital?
The reporting group lists beneficial ownership of 1,178,203 shares of Grace Therapeutics common stock. All of these shares may be acquired within sixty days through the exercise of convertible securities held by funds and accounts under Nantahala’s control.
Do Nantahala and its principals have sole or shared voting power in GRCE?
The reporting persons have 0 shares with sole voting power and 1,178,203 shares with shared voting power. They similarly report no sole dispositive power and shared dispositive power over the same 1,178,203 shares.
Who are the reporting persons in this Grace Therapeutics (GRCE) Schedule 13G/A?
The reporting persons are Nantahala Capital Management, LLC, and its managing members Wilmot B. Harkey and Daniel Mack. Each may be deemed a beneficial owner of the 1,178,203 Grace Therapeutics shares held by Nantahala-controlled funds and accounts.
Are the reported GRCE shares currently outstanding or issuable from convertibles?
The reported 1,178,203 shares are tied to convertible securities that the reporting persons state may be acquired within sixty days. This means the stake reflects shares issuable upon conversion, not directly held common shares alone.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 3)
Grace Therapeutics, Inc.
(Name of Issuer)
Common Stock, par value $0.0001 per share
(Title of Class of Securities)
00439U104
(CUSIP Number)
06/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
00439U104
1
Names of Reporting Persons
Nantahala Capital Management, LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MASSACHUSETTS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,178,203.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,178,203.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,178,203.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.75 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
CUSIP Number(s):
00439U104
1
Names of Reporting Persons
Wilmot B. Harkey
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,178,203.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,178,203.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,178,203.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.75 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
00439U104
1
Names of Reporting Persons
Daniel Mack
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
1,178,203.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
1,178,203.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,178,203.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
6.75 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Grace Therapeutics, Inc.
(b)
Address of issuer's principal executive offices:
103 CARNEGIE CENTER SUITE 300 PRINCETON, NEW JERSEY, 08540
Item 2.
(a)
Name of person filing:
(1) Nantahala Capital Management, LLC ("Nantahala")
(2) Wilmot B. Harkey
(3) Daniel Mack (together the "Reporting Persons")
(b)
Address or principal business office or, if none, residence:
130 Main St. 2nd Floor, New Canaan, Connecticut 06840
(c)
Citizenship:
(1) Nantahala is a Massachusetts limited liability company.
(2) Each of Messrs. Harkey and Mack is a citizen of the United States of America.
(d)
Title of class of securities:
Common Stock, par value $0.0001 per share
(e)
CUSIP No.:
00439U104
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
As of June 30, 2026, Nantahala may be deemed to be the beneficial owner of 1,178,203 Shares held by funds and separately managed accounts under its control, and as the managing members of Nantahala, each of Messrs. Harkey and Mack may be deemed to be a beneficial owner of those Shares. The 1,178,203 Shares Include 1,178,203 Shares which may be acquired by the Reporting Persons within sixty days through the exercise of convertible securities.
(b)
Percent of class:
As of June 30, 2026, each of the Reporting Persons may be deemed to be the beneficial owner of the following percentage of the total number of Shares outstanding:
(1) Nantahala Capital Management, LLC ("Nantahala") : 6.75%
(2) Wilmot B. Harkey: 6.75%
(3) Daniel Mack: 6.75%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
(1) Nantahala Capital Management, LLC ("Nantahala") : 0 Shares.
(2) Wilmot B. Harkey: 0 Shares.
(3) Daniel Mack: 0 Shares.
(ii) Shared power to vote or to direct the vote:
(1) Nantahala Capital Management, LLC ("Nantahala") : 1,178,203 Shares.
(2) Wilmot B. Harkey: 1,178,203 Shares.
(3) Daniel Mack: 1,178,203 Shares.
(iii) Sole power to dispose or to direct the disposition of:
(1) Nantahala Capital Management, LLC ("Nantahala") : 0 Shares.
(2) Wilmot B. Harkey: 0 Shares.
(3) Daniel Mack: 0 Shares.
(iv) Shared power to dispose or to direct the disposition of:
(1) Nantahala Capital Management, LLC ("Nantahala") : 1,178,203 Shares.
(2) Wilmot B. Harkey: 1,178,203 Shares.
(3) Daniel Mack: 1,178,203 Shares.
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
Each of Messrs. Harkey and Mack is filing this Schedule 13G as a control person in respect of shares beneficially owned by Nantahala, an investment adviser as described in ss. 240.13d-1(b)(1)(ii)(E). See Item 4(a).
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
