Harmonic (HLIT) SVP Ronald Glahn reports common stock and RSU holdings

Rhea-AI Filing Summary

Harmonic Inc. senior executive reports initial share holdings. Ronald J. Glahn, SVP, Global Sales, Broadband, filed a Form 3 showing ownership of 21,460 shares of Harmonic common stock held directly.

He also holds two grants of restricted stock units, covering 45,000 and 48,455 shares of common stock. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock, with vesting schedules running through April 2027 and February 2028.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Glahn Ronald J

(Last) (First) (Middle)

2590 ORCHARD PARKWAY

(Street)

SAN JOSE CA 95131

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/04/2026

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Global Sales, Broadband

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	21,460	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units(1)	04/15/2025(2)	04/15/2027	Common Stock	45,000	$0	D
Restricted Stock Units(1)	02/15/2026(3)	02/15/2028	Common Stock	48,455	$0	D

Explanation of Responses:

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

2. Thirty three percent of the Shares subject to the Restricted Stock Unit (RSU) Grant vested on April 15, 2025, and equal quarterly increments of the Shares subject to the RSU are scheduled to vest quarterly thereafter, until 100% vested as of April 15, 2027.

3. Thirty three percent of the Shares subject to the Restricted Stock Unit (RSU) Grant are scheduled to vest on February 15, 2026, and equal increments of the Shares subject to the RSU are scheduled to vest quarterly thereafter, so as to be 100% vested on February 15, 2028.

	Wendi Ninh, Attorney-in-Fact	02/12/2026
	** 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 5 (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.
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FAQ

What does Harmonic (HLIT) insider Ronald J. Glahn report on this Form 3?

Ronald J. Glahn reports his initial beneficial ownership in Harmonic. He directly holds 21,460 shares of common stock and two restricted stock unit awards covering 45,000 and 48,455 shares, reflecting his equity-based compensation as SVP, Global Sales, Broadband.

How many Harmonic (HLIT) common shares does Ronald J. Glahn directly own?

Ronald J. Glahn directly owns 21,460 shares of Harmonic common stock. This figure represents his current non-derivative equity position as reported, separate from his restricted stock unit grants that may convert into additional shares over time as they vest.

What restricted stock units does Ronald J. Glahn hold in Harmonic (HLIT)?

Ronald J. Glahn holds two restricted stock unit grants. One covers 45,000 shares with vesting through April 15, 2027, and another covers 48,455 shares with vesting through February 15, 2028, each representing a right to receive one share of HLIT common stock.

How do Ronald J. Glahn’s Harmonic (HLIT) RSUs vest over time?

For the 45,000-share RSU grant, 33% vested on April 15, 2025, with equal quarterly increments vesting until fully vested by April 15, 2027. The 48,455-share grant vests 33% on February 15, 2026, then quarterly until fully vested by February 15, 2028.

What role does Ronald J. Glahn hold at Harmonic (HLIT) in this Form 3?

Ronald J. Glahn is identified as an officer of Harmonic, serving as SVP, Global Sales, Broadband. His position explains why he is required to report his beneficial ownership of common stock and restricted stock units on this Form 3 filing.

Does this Harmonic (HLIT) Form 3 show any insider buying or selling?

The Form 3 reports existing holdings rather than new trades. It lists Ronald J. Glahn’s direct ownership of 21,460 common shares and his outstanding restricted stock unit awards, but does not indicate specific buy or sell transactions on the reported date.