# EDGAR Filing Document

**Accession Number:** 0002068530
**File Stem:** 0001104659-26-045080
**Filing Date:** 2026-4
**Character Count:** 8477
**Document Hash:** b52a0407eaf2080ef614ac0dcb4b18d3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-045080.hdr.sgml**: 20260417

**ACCESSION NUMBER**: 0001104659-26-045080

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260409

**FILED AS OF DATE**: 20260417

**DATE AS OF CHANGE**: 20260417

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Coastlands Capital LP
- **CENTRAL INDEX KEY:** 0002068530

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40804
- **FILM NUMBER:** 26873189

**BUSINESS ADDRESS:**
- **STREET 1:** 601 CALIFORNIA STREET, SUITE 1210
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94108
- **BUSINESS PHONE:** (415) 249-1280

**MAIL ADDRESS:**
- **STREET 1:** 601 CALIFORNIA STREET, SUITE 1210
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94108
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pasithea Therapeutics Corp.
- **CENTRAL INDEX KEY:** 0001841330
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 851591963
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1111 LINCOLN ROAD, SUITE 500
- **CITY:** MIAMI BEACH
- **STATE:** FL
- **ZIP:** 33139
- **BUSINESS PHONE:** (702) 514-4174

**MAIL ADDRESS:**
- **STREET 1:** 1111 LINCOLN ROAD, SUITE 500
- **CITY:** MIAMI BEACH
- **STATE:** FL
- **ZIP:** 33139

## Exhibit 99.1

EXHIBIT 99.1

AGREEMENT REGARDING JOINT FILING

OF STATEMENT

The undersigned agree to file jointly with the Securities and Exchange Commission (the "SEC") any and all statements on Schedule 13D or Schedule 13G or Forms 3, 4 or 5 (and any amendments or supplements thereto) required under section 13(d) and 16(a) of the Securities Exchange Act of 1934, as amended, in connection with purchases by the undersigned of the securities of any issuer. For that purpose, the undersigned hereby constitute and appoint Coastlands Capital LP, a Delaware limited partnership, as their true and lawful agent and attorney-in-fact, with full power and authority for and on behalf of the undersigned to prepare or cause to be prepared, sign, file with the SEC and furnish to any other person all certificates, instruments, agreements and documents necessary to comply with section 13(d) and section 16(a) of the Securities Exchange Act of 1934, as amended, in connection with said purchases, and to do and perform every act necessary and proper to be done incident to the exercise of the foregoing power, as fully as the undersigned might or could do if personally present.

Dated: April 17, 2026

---

| | | | |
|:---|:---|:---|:---|
| **COASTLANDS CAPITAL LP**<br>By: Coastlands Capital LLC,<br> General Partner | **COASTLANDS CAPITAL LP**<br>By: Coastlands Capital LLC,<br> General Partner | **COASTLANDS CAPITAL PARTNERS LP**<br>By: Coastlands Capital GP LLC,<br> General Partner | **COASTLANDS CAPITAL PARTNERS LP**<br>By: Coastlands Capital GP LLC,<br> General Partner |
| By: | /s/ *Mark Shamia* | By: | /s/ *Mark Shamia* |
| Mark Shamia | Mark Shamia | Mark Shamia | Mark Shamia |
| Chief Operating Officer | Chief Operating Officer | Chief Operating Officer | Chief Operating Officer |
| **COASTLANDS CAPITAL LLC** | **COASTLANDS CAPITAL LLC** | **COASTLANDS CAPITAL GP LLC** | **COASTLANDS CAPITAL GP LLC** |
| By: | /s/ *Mark Shamia* | By: | /s/ *Mark Shamia* |
| Mark Shamia | Mark Shamia | Mark Shamia | Mark Shamia |
| Chief Operating Officer | Chief Operating Officer | Chief Operating Officer | Chief Operating Officer |
|  |  | /s/ *Matthew D. Perry* | /s/ *Matthew D. Perry* |
|  |  | Matthew D. Perry | Matthew D. Perry |

---

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Coastlands Capital LP<br><sub>(Last) (First) (Middle)</sub><br>601 CALIFORNIA STREET, SUITE 1210<br><sub>(Street)</sub><br>SAN FRANCISCO, CA 94108<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Pasithea Therapeutics Corp. [ KTTA ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-04-09 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 3735035 | I | By Coastlands Capital LP<sup>(1)</sup> |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Pre-funded Warrant | <sup>(2)</sup> | <sup>(2)</sup> | Common Stock | 11233334 | $0.001 | I | By Coastlands Capital LP<sup>(1)</sup> |

---

### Footnotes:

(1) Coastlands Capital LP ("Coastlands") and Coastlands Capital GP LLC (the "General Partner") are the investment adviser and general partner, respectively, of Coastlands Capital Partners LP (the "Partnership"). Coastlands Capital LLC ("Coastlands GP") is the general partner of Coastlands. Matthew Perry is the control person of Coastlands, the Partnership, Coastlands GP and the General Partner. The reporting persons are filing this Form 3 jointly, but not as members of a group, and each disclaims membership in a group. Each reporting person also disclaims beneficial ownership of common stock except to the extent of that person's pecuniary interest therein.

(2) The pre-funded warrants to purchase shares of the Issuer's common stock (the "Pre-Funded Warrants") have no expiration date and are exercisable at any time after the date of issuance. A holder of Pre-Funded Warrants may not exercise the Pre-Funded Warrant if the holder, together with its affiliates, would beneficially own more than 9.99% of the number of shares of common stock outstanding immediately after giving effect to such exercise.

**Remarks:**
Exhibit 99.1 - Agreement Regarding Joint Filing of Statement

**Signature:** /s/ Mark Shamia, Chief Operating Officer of the General Partner of Coastlands Capital LP  
**Date:** 2026-04-17

**Signature:** /s/ Mark Shamia, Chief Operating Officer of the General Partner of Coastlands Capital Partners LP  
**Date:** 2026-04-17

**Signature:** /s/ Mark Shamia, Chief Operating Officer of Coastlands Capital GP LLC  
**Date:** 2026-04-17

**Signature:** /s/ Mark Shamia, Chief Operating Officer of Coastlands Capital LLC  
**Date:** 2026-04-17

**Signature:** /s/ Matthew D. Perry  
**Date:** 2026-04-17

### Remarks:

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.**