Bridgeline (NASDAQ: BLIN) director granted 22,500 shares and details indirect stakes

Rhea-AI Filing Summary

Ketslakh Michael reported acquisition or exercise transactions in this Form 4 filing.

Bridgeline Digital, Inc. director Michael Ketslakh reported an equity compensation grant of 22,500 shares of Common Stock on January 30, 2026, received at a stated price of $0.00 per share as a grant or award rather than an open-market purchase.

Following this award, he holds 63,986 Common shares directly, with additional indirect holdings of 394,736 shares through the Michael V. Ketslakh Revocable Trust and 57,620 shares through INV LLC, as disclosed in the footnotes. The filing also clarifies indirect beneficial ownership that had been unintentionally omitted from earlier reports.

Insights

Equity compensation analyst

Director received a routine stock grant and clarified prior indirect holdings.

Director Michael Ketslakh was granted 22,500 Common shares of Bridgeline Digital, Inc. as a compensation award at $0.00 per share on January 30, 2026. This is a non-cash equity grant, not an open-market transaction, so it carries limited trading signal.

After the grant, he holds 63,986 shares directly, plus indirect positions of 394,736 shares in a revocable trust where he is trustee and beneficiary, and 57,620 shares via INV LLC. Footnotes state earlier Form 4s unintentionally omitted these indirect beneficial ownership details, so this filing also serves to correct and complete the ownership picture.

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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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^*

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)
01/30/2026

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	01/30/2026		A		22,500	A	$0	63,986	D
Common Stock								394,736	I	By Michael V. Ketslakh Revocable Trust(1)
Common Stock								57,620	I	By INV LLC(2)

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:

1. These shares are held by the Michael V. Ketslakh Revocable Trust, of which the Reporting Person is the trustee and beneficiary. The foregoing disclosure regarding the Reporting Person's indirect beneficial ownership was unintentionally omitted from previous Form 4 filings.

2. The Reporting Person is the Manager of INV LLC ("INV"). As such, the Reporting Person has voting and dispositive control over the shares owned by INV. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. The foregoing disclosure regarding the Reporting Person's indirect beneficial ownership was unintentionally omitted from previous Form 4 filings.

	/s/ Michael Ketslakh	03/16/2026
	** 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 did Bridgeline Digital (BLIN) director Michael Ketslakh report in this Form 4?

He reported receiving a grant of 22,500 shares of Common Stock on January 30, 2026 at $0.00 per share. This equity award reflects compensation, not an open-market stock purchase or sale, and updates his reported ownership position.

How many Bridgeline Digital (BLIN) shares does Michael Ketslakh hold directly after the grant?

After the January 2026 grant, he directly holds 63,986 shares of Bridgeline Digital Common Stock. This figure reflects his direct ownership only and is reported as the total direct shares following the transaction in the Form 4 filing.

What indirect Bridgeline Digital (BLIN) holdings are reported for Michael Ketslakh?

The filing lists 394,736 shares held through the Michael V. Ketslakh Revocable Trust and 57,620 shares held through INV LLC. Footnotes explain he has voting and dispositive control over INV LLC’s shares and is trustee and beneficiary of the revocable trust.

Was this Bridgeline Digital (BLIN) Form 4 a stock purchase or sale by the director?

No open-market trade is reported. The Form 4 shows a grant or award acquisition of 22,500 Common shares at $0.00 per share. This represents equity compensation rather than a buy or sell transaction in the market.

Why does the Bridgeline Digital (BLIN) Form 4 mention prior omissions of indirect ownership?

Footnotes state that disclosures about the director’s indirect beneficial ownership via his revocable trust and INV LLC were unintentionally omitted from previous Form 4 filings. This report corrects those omissions by fully detailing those indirect holdings.

How does INV LLC relate to Michael Ketslakh’s Bridgeline Digital (BLIN) holdings?

The Form 4 explains he is the Manager of INV LLC and has voting and dispositive control over the shares INV LLC owns. He disclaims beneficial ownership of those securities except to the extent of his pecuniary interest, as noted in the footnotes.