Director adds 1,353 Bridgeline Digital (BLIN) shares in open-market buy

Rhea-AI Filing Summary

Bridgeline Digital, Inc. director Michael Ketslakh reported an open-market purchase of common stock. On February 19, 2026, he bought 1,353 shares at a price of $0.85 per share. After this trade, his direct holdings total 473,842 common shares.

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

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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^*

Ketslakh Michael

(Last) (First) (Middle)

100 SYLVAN RD. SUITE G-700

(Street)

WOBURN MA 01801

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Bridgeline Digital, Inc. [ BLIN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

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	02/19/2026		P		1,353	A	$0.85	473,842	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/ Michael Ketslakh	02/23/2026
	** 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 transaction did Bridgeline Digital (BLIN) report on this Form 4?

Bridgeline Digital reported that director Michael Ketslakh purchased 1,353 shares of common stock in an open-market transaction. The shares were acquired at a price of $0.85 per share, increasing his directly held ownership stake in the company.

How many Bridgeline Digital (BLIN) shares did the director buy and at what price?

Director Michael Ketslakh bought 1,353 shares of Bridgeline Digital common stock at $0.85 per share. This open-market purchase reflects a relatively small addition but still increases his overall direct equity position in the company.

When did the Bridgeline Digital (BLIN) insider share purchase occur?

The insider share purchase occurred on February 19, 2026. On that date, director Michael Ketslakh acquired 1,353 shares of Bridgeline Digital common stock in an open-market transaction at a price of $0.85 per share.

What is Michael Ketslakh’s total Bridgeline Digital (BLIN) share ownership after this trade?

Following the reported transaction, Michael Ketslakh directly owns 473,842 shares of Bridgeline Digital common stock. This total reflects his holdings after buying 1,353 additional shares at $0.85 per share in the open-market purchase.

Is the Bridgeline Digital (BLIN) Form 4 transaction a purchase or a sale?

The Form 4 transaction is a purchase. Director Michael Ketslakh executed an open-market buy of 1,353 Bridgeline Digital common shares at $0.85 each, increasing rather than reducing his directly held ownership position in the company.