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Protagenic Therapeutics (PTIX) exec chair purchases 5,000 shares at $0.2588

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Protagenic Therapeutics, Inc. director and executive chair Armen Garo H purchased 5,000 shares of common stock on August 5, 2026 at $0.2588 per share in an open-market or private transaction. Following this buy, he directly holds 31,294 common shares. The transaction was not reported as made under a Rule 10b5-1 trading plan.

Positive

  • None.

Negative

  • None.
Insider ARMEN GARO H
Role EXEC. CHAIR & PRINCIPAL OFF
Bought 5,000 shs ($1K)
Type Security Shares Price Value
Purchase COMMON STOCK 5,000 $0.2588 $1K
Holdings After Transaction: COMMON STOCK — 31,294 shares (Direct)
Shares purchased 5,000 shares of common stock Non-derivative purchase on August 5, 2026
Purchase price $0.2588 per share Price paid for the 5,000-share common stock purchase
Shares owned after transaction 31,294 shares Direct common stock holdings following the reported trade
Net buy shares 5,000 shares Net effect of reported transactions in this Form 4
non-derivative financial
"The transaction is classified as a non-derivative purchase of common stock"
open market or private transaction financial
"Transaction code description: Purchase in open market or private transaction"
direct ownership financial
"The ownership type for these shares is recorded as direct ownership"

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FAQ

What insider transaction did PTIX report for Armen Garo H?

Protagenic Therapeutics (PTIX) reported that executive chair and director Armen Garo H purchased 5,000 common shares on August 5, 2026. The buy was recorded as a non-derivative, open-market or private transaction at a specified per-share price.

How many PTIX shares did Armen Garo H buy and at what price?

Armen Garo H bought 5,000 PTIX common shares at $0.2588 per share. This Form 4 transaction is classified as a non-derivative purchase in an open-market or private transaction, indicating a straightforward common stock acquisition.

What is Armen Garo H’s total PTIX shareholding after this Form 4?

After the reported purchase, Armen Garo H directly holds 31,294 shares of Protagenic Therapeutics common stock. This figure reflects his post-transaction direct ownership as disclosed in the Form 4 filing data.

Was the PTIX insider trade made under a Rule 10b5-1 trading plan?

The filing indicates the transaction was not affirmatively reported as made under a Rule 10b5-1 trading plan. The document-level Rule 10b5-1 checkbox is unchecked, suggesting the purchase was not executed under such a pre-arranged plan.

What role does the PTIX insider involved in this Form 4 hold?

The reporting person, Armen Garo H, is listed as both a director and an officer of Protagenic Therapeutics (PTIX), with the officer title “EXEC. CHAIR & PRINCIPAL OFF,” indicating a senior leadership and governance position.

Is the reported PTIX insider ownership direct or indirect?

The Form 4 classifies Armen Garo H’s post-transaction holding of 31,294 shares as direct ownership. The ownership type is coded as direct, meaning the shares are held in his own name rather than through an intermediary entity.
SEC Form 4
FORM 4UNITED 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*
ARMEN GARO H

(Last)(First)(Middle)
C/O AGENUS INC.
3 FORBES ROAD

(Street)
LEXINGTON, MASSACHUSETTS 02421

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Protagenic Therapeutics, Inc.\new [ PTIX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
EXEC. CHAIR & PRINCIPAL OFF
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/05/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
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)
CodeVAmount(A) or (D)Price
COMMON STOCK08/05/2026P5,000A$0.258831,294D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
/s/ Garo H. Armen08/06/2026
** Signature of Reporting PersonDate
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)