CIO Paul Seitz adds 11,477 Horizon Technology (HRZN) shares in buy

Rhea-AI Filing Summary

Horizon Technology Finance Corp Chief Investment Officer Paul G. Seitz reported an open-market purchase of Common Stock. He bought 11,477 shares at $4.35 per share and now directly holds 12,242 shares. This filing reflects a relatively small insider share increase.

Insider Trade Summary

Net Buyer: 11,477 shares ($49,925)

Net Buy 1 txn

Insider Seitz Paul G

Role Chief Investment Officer

Bought 11,477 shs ($50K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	11,477	$4.35	$50K

Holdings After Transaction: Common Stock — 12,242 shares (Direct, null)

Footnotes (1)

Key Figures

Shares purchased: 11,477 shares Purchase price: $4.35 per share Shares owned after transaction: 12,242 shares +1 more

4 metrics

Shares purchased 11,477 shares Common Stock open-market purchase on 2026-06-09

Purchase price $4.35 per share Price paid for Common Stock

Shares owned after transaction 12,242 shares Direct ownership following Form 4 transaction

Net buy shares 11,477 shares Net buy direction in transaction summary

Key Terms

open-market purchase, Common Stock, Form 4, Chief Investment Officer

4 terms

open-market purchase financial

"The transaction_action is described as an open-market purchase of Common Stock."

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Common Stock financial

"The security_title for the transaction is listed as Common Stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"This insider transaction is disclosed in a Form 4 filing."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Chief Investment Officer financial

"Paul G. Seitz is identified as Chief Investment Officer of the issuer."

A chief investment officer (CIO) is the person responsible for managing a company or organization’s investments and financial strategies. They make key decisions about where to put money to help grow wealth or achieve financial goals, much like a coach plans a team’s game strategy. Their work matters to investors because it influences how effectively an organization’s assets are used to generate returns.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/10/2026 - 04:25 PM Accepted by SEC EDGAR 06/10/2026 - 04:25 PM Learn about SEC filing dates

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
Estimated average burden
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^*

Seitz Paul G

(Last) (First) (Middle)

312 FARMINGTON AVENUE

(Street)

FARMINGTON CONNECTICUT 06032

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Horizon Technology Finance Corp [ HRZN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/09/2026		P		11,477	A	$4.35	12,242	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/ Paul G. Seitz	06/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did HRZN executive Paul G. Seitz report?

Paul G. Seitz reported buying 11,477 shares of Horizon Technology Finance Corp Common Stock in an open-market transaction at $4.35 per share, increasing his direct holdings to 12,242 shares following the purchase.

What role does Paul G. Seitz hold at Horizon Technology Finance Corp (HRZN)?

Paul G. Seitz serves as Chief Investment Officer at Horizon Technology Finance Corp. His Form 4 filing reflects a personal open-market purchase of company Common Stock, reported as a direct ownership position after the transaction.

How many HRZN shares does Paul G. Seitz own after this Form 4 transaction?

After the reported transaction, Paul G. Seitz directly owns 12,242 shares of Horizon Technology Finance Corp Common Stock. This total includes the 11,477 shares he purchased in the open-market transaction disclosed in the Form 4 filing.

At what price did Paul G. Seitz buy Horizon Technology Finance (HRZN) shares?

Paul G. Seitz bought Horizon Technology Finance Corp Common Stock at $4.35 per share. The Form 4 identifies this as an open-market purchase, covering 11,477 shares acquired on the reported transaction date.

Is the Paul G. Seitz HRZN transaction a buy or sell filing?

The Form 4 for Paul G. Seitz is a buy filing, showing an open-market purchase of 11,477 Horizon Technology Finance Corp Common Stock shares at $4.35 per share, resulting in 12,242 shares directly owned afterward.