Director/CIO Gregg Honigblum Increases SiNtx Stake to 64,000 Shares

Rhea-AI Filing Summary

Gregg R. Honigblum, a Director and Chief Investment Officer of SiNtx Technologies, Inc. (SINT), reported multiple open-market purchases on 08/26/2025. The Form 4 shows ten separate purchases of 5,000 shares each, bringing his total beneficial ownership to 64,000 shares. Purchase prices ranged from $3.60 to $3.75 per share. The filing was signed by an agent on 08/27/2025.

Positive

• Director and CIO made direct purchases totaling an increase of 50,000 shares on 08/26/2025
• Final beneficial ownership reported as 64,000 shares
• All transactions were non-derivative purchases with prices between $3.60 and $3.75

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider bought a total of 50,000 shares across ten transactions, increasing beneficial ownership to 64,000 shares.

The reported transactions are non-derivative purchases executed on 08/26/2025, each of 5,000 shares at prices between $3.60 and $3.75, reflecting an aggregate increase of 50,000 shares on that date. For investors, insider purchases can signal confidence but the filing alone lacks context on size relative to outstanding shares or timing drivers. Quantitatively, the filing is a straightforward ownership increase with no derivative activity reported.

Corporate Governance Expert

TL;DR: Director/CIO increased direct holdings through repeated purchases; disclosure is complete for the reported date.

The Form 4 identifies Gregg R. Honigblum as both a director and the Chief Investment Officer and reports multiple Form 4 purchase entries with direct ownership form. The signature by a power of attorney is provided. There are no dispositions, no derivative instruments reported, and no other parties filing jointly. From a governance perspective, the submission meets Section 16 disclosure requirements for the transactions shown.

SEC Form 4

FORM 4

UNITED 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
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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^*

Honigblum Gregg R.

(Last) (First) (Middle)

1885 WEST 2100 SOUTH

(Street)

SALT LAKE CITY, UT 84119

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Sintx Technologies, Inc. [ SINT ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/26/2025

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

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/26/2025		P		5,000	A	$3.6	19,000	D
Common Stock	08/26/2025		P		5,000	A	$3.66	24,000	D
Common Stock	08/26/2025		P		5,000	A	$3.7	29,000	D
Common Stock	08/26/2025		P		5,000	A	$3.68	34,000	D
Common Stock	08/26/2025		P		5,000	A	$3.74	39,000	D
Common Stock	08/26/2025		P		5,000	A	$3.73	44,000	D
Common Stock	08/26/2025		P		5,000	A	$3.69	49,000	D
Common Stock	08/26/2025		P		5,000	A	$3.72	54,000	D
Common Stock	08/26/2025		P		5,000	A	$3.75	59,000	D
Common Stock	08/26/2025		P		5,000	A	$3.73	64,000	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/S/ Kevin Ontiveros, by power of attorney	08/27/2025
	** 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 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.

FAQ

Who filed the Form 4 for SiNtx (SINT)?

The Form 4 was filed for Gregg R. Honigblum, identified as a Director and Chief Investment Officer.

How many shares did the insider acquire on 08/26/2025?

The filing reports ten purchases of 5,000 shares each, an aggregate increase of 50,000 shares on 08/26/2025.

What prices were paid for the SINT shares?

Purchase prices ranged from $3.60 to $3.75 per share across the reported transactions.

What is the insider's total beneficial ownership after these transactions?

After the reported purchases, the insider's beneficial ownership is reported as 64,000 shares.

Were any derivative securities reported in this Form 4?

No. Table II shows no derivative securities acquired or disposed of in this filing.