FSI (FSI) CEO Daniel O’Brien sells Flexible Solutions International shares

Rhea-AI Filing Summary

Flexible Solutions International Inc. (FSI) Chief Executive Officer, director, and 10% owner Daniel B. O’Brien reported open-market sales of the company’s common stock. These transactions were reported on a Form 4 as a single-reporting-person filing.

On January 27, 2026, O’Brien sold 56,000 shares of common stock at $5.90 per share, leaving him with 4,664,156 shares beneficially owned directly. On January 28, 2026, he sold an additional 45,500 shares at $5.84 per share, after which he directly beneficially owned 4,615,656 shares of FSI common stock.

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

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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^*

O BRIEN DANIEL B

(Last) (First) (Middle)

6001 54 AVE.

(Street)

TABER A0 T1G 1X4

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FLEXIBLE SOLUTIONS INTERNATIONAL INC [ FSI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/27/2026

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	01/27/2026		S		56,000	D	$5.9	4,664,156	D
Common Stock	01/28/2026		S		45,500	D	$5.84	4,615,656	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/ Daniel B. O'Brien	01/29/2026
	** 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

What insider transactions did FSI CEO Daniel O’Brien report on this Form 4?

Daniel B. O’Brien reported two open-market sales of Flexible Solutions International (FSI) common stock. He sold 56,000 shares on January 27, 2026 at $5.90 and 45,500 shares on January 28, 2026 at $5.84, both as direct holdings.

How many FSI shares did Daniel O’Brien sell on January 27, 2026?

On January 27, 2026, Daniel B. O’Brien sold 56,000 shares of Flexible Solutions International (FSI) common stock. The reported sale price was $5.90 per share, and following this transaction he beneficially owned 4,664,156 FSI shares directly.

What were Daniel O’Brien’s FSI holdings after the January 28, 2026 sale?

After the January 28, 2026 sale, Daniel B. O’Brien beneficially owned 4,615,656 shares of Flexible Solutions International (FSI) common stock. That transaction involved selling 45,500 shares at a reported price of $5.84 per share, all held in direct ownership.

Are Daniel O’Brien’s FSI stock transactions direct or through another entity?

The reported Flexible Solutions International (FSI) transactions list Daniel B. O’Brien’s ownership as direct. The Form 4 data show the ownership form as “D” (direct) for both sales, with no separate nature-of-ownership description or indirect holding entity noted.

What roles does Daniel O’Brien hold at Flexible Solutions International (FSI)?

Daniel B. O’Brien is identified as a director, Chief Executive Officer, and a 10% owner of Flexible Solutions International (FSI). These roles are checked on the Form 4, indicating he is both a key executive and a significant shareholder in the company.

Does this FSI Form 4 involve any derivative securities like options or warrants?

The Form 4 includes a separate table for derivative securities, but no derivative transactions are reported. Only non-derivative common stock sales are listed, meaning the January 2026 activity involved direct trades of FSI common shares rather than options or other derivatives.