Every Form 4 that Bridgeline Digital Inc. (BLIN) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow BLIN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full BLIN filings page.
Bridgeline Digital, Inc. director Joni Kahn reported routine equity compensation activity. She received a grant of 22,500 shares of Common Stock on January 30, 2026 at no cost, increasing her direct holdings before tax effects.
On the same date, 7,252 shares of Common Stock were disposed of at $0.82 per share to cover tax obligations, a non-market tax-withholding disposition rather than an open-market sale. After these transactions, she directly held 29,457 shares and indirectly held 6,579 shares through the James Weil and Joni Kahn 2004 Living Trust, where she serves as trustee and beneficiary.
Galaznik Kenneth reported acquisition or exercise transactions in this Form 4 filing.
Bridgeline Digital, Inc. director Kenneth Galaznik received a grant of 22,500 shares of Common Stock on January 30, 2026 as a stock award, at a stated price of $0.00 per share. Following this award, his directly held position increased to 43,232 shares.
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.
Bridgeline Digital director Brandon Ross reported routine equity compensation activity. On January 30, he received a grant of 22,500 shares of common stock at $0.00 per share. On the same date, 7,583 shares were disposed of at $0.82 per share to cover tax obligations, leaving him with 78,265 shares owned directly after these transactions.
Bridgeline Digital, Inc. President and CEO Roger E. Kahn made an open-market purchase of 10,000 shares of common stock at $0.93 per share. After this buy, he directly holds 1,773,736 shares. The filing also notes 544 shares held indirectly by his spouse, for which he disclaims beneficial ownership.
Bridgeline Digital director Michael Ketslakh increased his stake with open‑market purchases of common stock. He bought 2,487 shares on March 2, 2026 and 4,472 shares on March 3, 2026, both at $0.85 per share, for a total of 6,959 shares. Following these transactions, he directly owns 493,842 Bridgeline Digital shares.
Bridgeline Digital, Inc. director Michael Ketslakh reported open-market purchases of the company’s common stock. He bought 10,647 shares at $0.85 per share on February 25, 2026 and 2,394 shares at $0.85 per share on February 24, 2026. Following these transactions, he directly owned 486,883 shares.
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.
Bridgeline Digital, Inc. insider activity: President and CEO Roger E. Kahn, who is also a 10% owner and director, reported multiple open-market purchases of Bridgeline common stock. On February 17, he bought 35,301 shares at a weighted average price of $0.75 per share. On February 18, he bought 14,000 shares at $0.82 per share, and on February 19, he bought 5,000 shares at $0.85 per share, for a total of 54,301 shares acquired in these transactions.
After these purchases, Kahn directly owned 1,763,736 shares of common stock. The filing also notes an additional 544 shares held indirectly by his spouse, for which he disclaims beneficial ownership except to the extent of his pecuniary interest. Some trades were executed in multiple lots within stated price ranges, and the reported prices are weighted averages.
Bridgeline Digital’s Chief Financial Officer Thomas R. Windhausen received a grant of stock options on 01/30/2026. The award covers 50,000 shares of common stock at an exercise price of $0.82 per share and expires on 01/30/2036.
The option vests in twelve equal quarterly installments, beginning with the first fiscal quarter following the grant date. After this grant, Windhausen beneficially owns 50,000 derivative securities directly through this option award.
Bridgeline Digital, Inc. President and CEO Roger E. Kahn reported receiving a grant of 300,000 shares of common stock on 01/30/2026 under the company’s 2025 Stock Incentive Plan at a stated value of $0.82 per share. These restricted shares will vest in twelve equal installments over twelve fiscal quarters, starting with the first quarter after the grant date.
Following this award, Kahn directly reports beneficial ownership of 1,709,435 common shares. He also reports 544 common shares held indirectly by his spouse and formally disclaims beneficial ownership of those spouse-held shares except to the extent of any pecuniary interest.
Roger E. Kahn, President & CEO of Bridgeline Digital, Inc. (BLIN), reported insider transactions on 09/30/2025. He received a restricted stock award of 169,429 shares under the company’s 2025 Stock Incentive Plan that vests in 12 equal quarterly installments beginning the first fiscal quarter after grant. The filing also shows a disposition of 57,098 shares on the same date at a price of $1.32. After these transactions the report lists beneficial ownership of 1,466,218 shares (direct) and 1,409,120 shares (direct, after the disposition). The reporting person disclaims beneficial ownership of 544 shares held by his spouse except to the extent of pecuniary interest. The Form 4 is signed and dated 10/02/2025.
Thomas R. Windhausen, Chief Financial Officer of Bridgeline Digital, Inc. (BLIN), received a grant of 50,000 stock options on 09/30/2025. The option has an exercise price of $1.32 and is exercisable through 09/30/2035. The option was reported as an acquisition (code A) and is held directly by Mr. Windhausen.
The grant vests ratably in twelve (12) equal quarterly installments beginning on the first fiscal quarter following the grant date, and the filing was signed by Mr. Windhausen on 10/02/2025. The Form 4 discloses no other transactions or derivative holdings.