As of November 7, 2026, one holder's latest Schedule 13D or 13G filing report owning 5% or more of Harte Hanks Inc. The largest reported stake is Radoff Bradley Louis', at 5.7%. 4 filings are on record since February 17, 2026 (Schedule 13D/A, August 24, 2026).
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Key facts
- · Reporting person: Blair William & Co · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-11-06
- · Reporting person: Radoff Bradley Louis · Sole voting: 423,447 · Shared voting: 0 · Sole dispositive: 423,447 · Shared dispositive: 0 · SCHEDULE 13D/A, 2026-08-24
- · Reporting person: Westerly Capital Management, LLC · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-08-21
- · Holder: Westerly Capital Management, LLC · Percent: 8.5% · SCHEDULE 13G/A
Harte Hanks Inc has 4 Schedule 13D or 13G filings on record since 2026-02-17. 1 holder's latest filing reports 5% or more of common stock. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| 5.7% | 423,447 | SCHEDULE 13D/A, 2026-08-24 | 2026-08-14 | |
| Westerly Capital Management, LLC | 0% | 0 | SCHEDULE 13G/A, 2026-08-21 | 2026-08-19 |
| Blair William & Co | 0% | 0 | SCHEDULE 13G/A, 2026-11-06 | 2026-09-30 |
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More on Harte Hanks Inc and the records around it.
Harte Hanks Inc elsewhere on the record
Companies that share a holder
- BLAIR WILLIAM & CO/IL also filed stake reports on 1 other company: AIRGAIN INC (Nov 2025)
- WESTERLY CAPITAL MANAGEMENT, LLC also filed stake reports on 2 other companies: COMSCORE, INC. (Feb 2026)
- Radoff Bradley Louis also filed stake reports on 11 other companies: Identiv, Inc. (Nov 2026), REGIONAL HEALTH PROPERTIES, INC (Aug 2026), GENESCO INC (Aug 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Radoff Bradley Louis | 423,447 | 0 | 423,447 | 0 | SCHEDULE 13D/A, 2026-08-24 |
| Westerly Capital Management, LLC | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-08-21 |
| Christopher J. Galvin | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-08-21 |
| Westerly Holdings LLC | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-08-21 |
| Blair William & Co | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-11-06 |
The latest filing identifies Harte Hanks Inc by CUSIP 416196202 and gives its principal executive office as 1 EXECUTIVE DRIVE, CHELMSFORD, MA 01824 (SCHEDULE 13G/A, 2026-11-06).
Source of funds (Item 3)
Item 3 is hereby amended and restated to read as follows: Mr. Radoff purchased 368,900 of the Shares beneficially owned by him with personal funds. The aggregate purchase price of the 368,900 Shares purchased by Mr. Radoff is approximately $1,958,836, including brokerage commissions. Mr.Radoff Bradley Louis, SCHEDULE 13D/A, 2026-08-24
Purpose of Transaction (Item 4)
Radoff Bradley Louis
Item 4 is hereby amended to add the following: On August 14, 2026, the Issuer, Star Equity Holdings, Inc., a Delaware corporation ("Star"), and Merger Sub - R, Inc., a Delaware corporation and a wholly owned subsidiary of Star ("Merger Sub"), entered into an Agreement and Plan of Merger (the "Merger Agreement"), pursuant to which, and subject to the satisfaction or waiver of the conditions set forth in the Merger Agreement, Merger Sub will merge with and into the Issuer, with the Issuer continuing as the surviving corporation of the merger (the "Merger"), and a wholly owned subsidiary of Star. Subject to the terms and conditions of the Merger Agreement, upon the closing of the Merger and the other transactions contemplated by the Merger Agreement (the "Closing"), (a) any Shares held as treasury stock, or held directly by Star or Merger Sub (or any of their respective subsidiaries), will be canceled, retired and cease to exist, and no consideration will be delivered in exchange therefor, and (b) each then-outstanding Share (other than the Shares described in the foregoing subclause (a)) will be converted into the right to receive, without interest and subject to adjustment as set forth in the Merger Agreement: (1) if, with respect to such Share, an election to receive cash has been properly made pursuant to the terms of the Merger Agreement (each such Share, a "Cash Electing Share"), cash in an amount equal to $5.00 per share (the "Cash Consideration"), (2) if, with respect …The first part of Item 4 of the SCHEDULE 13D/A filed 2026-08-24; the filing has the rest
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2026-02-17 | Westerly Capital Management, LLC | 8.5% | SCHEDULE 13G/A |
| 2026-08-21 | Westerly Capital Management, LLC | 0% | SCHEDULE 13G/A |
| 2026-08-24 | Radoff Bradley Louis | 5.7% | SCHEDULE 13D/A |
| 2026-11-06 | Blair William & Co | 0% | SCHEDULE 13G/A |
Questions about who owns Harte Hanks Inc
Who owns Harte Hanks Inc?
On this page, one holder's latest ownership filing reports 5% or more of Harte Hanks Inc: Radoff Bradley Louis (5.7%, Schedule 13D/A, filed 2026-08-24).
When did Radoff Bradley Louis buy into Harte Hanks Inc?
The filings give report dates, not purchase dates. The earliest filing from Radoff Bradley Louis on this page is the Schedule 13D/A, filed 2026-08-24, reporting 5.7%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 4 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.