Harmonic director awarded 18,756 RSUs

Copeland Stephanie reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Copeland Stephanie reported acquisition or exercise transactions in this Form 4 filing.

HARMONIC INC. director Stephanie Copeland reported receiving a grant of 18,756 restricted stock units tied to the company’s common stock. Each unit represents the right to receive one share of HLIT common stock. The units are scheduled to vest in full on February 15, 2027, with vested shares delivered on or shortly after that date. Following this compensation-related award, Copeland’s reported derivative holdings from this grant total 18,756 units.

Insider Trade Summary

Grant/Award: 18,756 shares

Grant/Award 1 txn

Insider Copeland Stephanie

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	18,756	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 18,756 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.
2. F2. The shares subject to the restricted stock units are scheduled to vest in full on February 15, 2027. Vested shares will be delivered to the reporting person on or immediately following February 15, 2027.

FAQ

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

What insider transaction did HLIT director Stephanie Copeland report?

Stephanie Copeland reported receiving 18,756 restricted stock units in Harmonic Inc. This is a stock-based compensation grant, not an open-market purchase, and each unit represents the right to receive one share of HLIT common stock at vesting.

How many Harmonic Inc. (HLIT) restricted stock units were granted?

The filing reports a grant of 18,756 restricted stock units to director Stephanie Copeland. These units are a form of equity compensation and will convert into the same number of HLIT common shares when they vest, subject to continued service conditions.

When do Stephanie Copeland’s HLIT restricted stock units vest?

The 18,756 restricted stock units are scheduled to vest in full on February 15, 2027. According to the filing, the vested HLIT shares will be delivered to Stephanie Copeland on or immediately following that February 15, 2027 vesting date.

Is Stephanie Copeland’s HLIT Form 4 transaction a market purchase or sale?

The Form 4 shows a grant of restricted stock units, coded as an acquisition (A), rather than a market purchase or sale. This reflects stock-based compensation from Harmonic Inc. and not a discretionary buy or sell trade in HLIT shares on the open market.

How many HLIT derivative securities does Stephanie Copeland hold after the grant?

After the reported transaction, Stephanie Copeland holds 18,756 restricted stock units related to HLIT common stock. This number matches the grant amount, indicating the reported derivative position in this filing consists entirely of this new award scheduled to vest in 2027.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 03/18/2026 - 09:49 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^*

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)
03/16/2026

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

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
Restricted Stock Units(1)	$0	03/16/2026		A		18,756		02/15/2027(2)	02/15/2027	Common Stock	18,756	$0	18,756	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

2. The shares subject to the restricted stock units are scheduled to vest in full on February 15, 2027. Vested shares will be delivered to the reporting person on or immediately following February 15, 2027.

	/s/ Wendi Ninh, Attorney-in-Fact	03/18/2026
	** 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)