Harmonic director sells 4,300 shares in open market

Harmonic Inc. director Stephanie Copeland sold shares of the company’s common stock in an open-market transaction.

Rhea-AI Filing Summary

Harmonic Inc. director Stephanie Copeland sold shares of the company’s common stock in an open-market transaction. On the transaction date, she sold 4,300 shares at a price of $13.305 per share. After this sale, she directly held 20,752 shares of Harmonic common stock.

Insights

Equity ownership and insider trading analyst

Director executed a moderate open-market share sale while retaining a sizable position.

Director Stephanie Copeland completed an open-market sale of 4,300 shares of Harmonic Inc. common stock at $13.305 per share. The transaction is recorded as a straightforward non-derivative sale, with no options exercises or complex derivatives involved.

Following the sale, she directly holds 20,752 shares. That remaining stake suggests this was a partial reduction rather than a full exit. The filing shows no related derivative positions and no indications of tax withholding or gifts, making this a standard discretionary sale with limited informational value on its own.

Insider Trade Summary

Net Seller: 4,300 shares

Net Sell 1 txn

Insider Copeland Stephanie

Role Director

Sold 4,300 shs ($57K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,300	$13.305	$57K

Holdings After Transaction: Common Stock — 20,752 shares (Direct)

Key Figures

Shares sold: 4,300 shares Sale price: $13.305 per share Shares held after sale: 20,752 shares +1 more

4 metrics

Shares sold 4,300 shares Open-market sale of common stock

Sale price $13.305 per share Price for the 4,300 shares sold

Shares held after sale 20,752 shares Direct ownership following transaction

Transaction code S Sale in open market or private transaction

Key Terms

open-market sale, Common Stock, Form 4

3 terms

open-market sale financial

"The transaction is classified as an open-market sale of common stock."

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"The reported transaction involves Harmonic Inc. 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 was reported on SEC Form 4."

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Harmonic (HLIT) director Stephanie Copeland report in this Form 4?

Stephanie Copeland reported an open-market sale of Harmonic common stock. She sold 4,300 shares and, after the transaction, directly held 20,752 shares. The filing reflects a standard non-derivative sale with no options or related derivative activity disclosed.

How many Harmonic (HLIT) shares did Stephanie Copeland sell and at what price?

She sold 4,300 shares of Harmonic Inc. common stock. The reported sale price was $13.305 per share in an open-market transaction, indicating a straightforward stock sale rather than an option exercise, gift, or tax-withholding disposition.

How many Harmonic (HLIT) shares does Stephanie Copeland hold after this transaction?

After the reported sale, Stephanie Copeland directly holds 20,752 shares of Harmonic common stock. This remaining position shows she reduced, but did not eliminate, her holdings, and the Form 4 does not list any derivative positions outstanding.

Was the Harmonic (HLIT) insider transaction a buy or a sell?

The transaction was a sell. The Form 4 classifies it as an open-market sale of common stock, coded as an “S” transaction, with 4,300 shares sold at $13.305 per share and no purchases or exercises reported alongside it.

Does the Harmonic (HLIT) Form 4 involve stock options or other derivatives?

No, this Form 4 reports only a non-derivative transaction in common stock. The derivative transaction count is zero and the derivative summary is empty, indicating no option exercises, conversions, or other derivative activities were included in this filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/18/2026 - 05:30 PM EDT 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^*

Copeland Stephanie

(Last) (First) (Middle)

2950 ORCHARD PARKWAY

(Street)

SAN JOSE CALIFORNIA 95131

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
HARMONIC INC. [ HLIT ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

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	05/14/2026		S		4,300	D	$13.305	20,752	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/ Wendi Ninh, Attorney-in-Fact	05/18/2026
	** 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)