[Form 4] Keysight Technologies, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Keysight Technologies (KEYS) senior vice president Sung Jin Yoon reported equity-based compensation activity. On November 19, 2025, 507 shares of common stock were awarded under Keysight’s Long-Term Performance Program, and Yoon elected to defer 456 of those shares under the Deferred Compensation Plan. Also on that date, 6,429 shares of common stock were granted as restricted stock units under the 2014 Equity and Incentive Compensation Plan, vesting in four equal annual installments starting on the first anniversary of the grant date.

To cover tax liabilities related to these awards, Yoon surrendered 24 shares on November 19, 2025 and 185 shares on November 20, 2025 in transactions reported under Rule 16b-3. After these transactions, Yoon beneficially owned 17,993.818 shares of Keysight common stock directly.

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

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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^*

YOON SUNG

(Last) (First) (Middle)

1400 FOUNTAINGROVE PARKWAY

(Street)

SANTA ROSA CA 95403

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Keysight Technologies, Inc. [ KEYS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

4. 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 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	11/19/2025		A(1)		507	A	$0	11,773.818	D
Common Stock	11/19/2025		F(2)		24	D	$174.61	11,749.818	D
Common Stock	11/19/2025		A(3)		6,429	A	$0	18,178.818	D
Common Stock	11/20/2025		F(4)		185	D	$169.67	17,993.818	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:

1. On November 19, 2025, pursuant to the Keysight Technologies, Inc. Long-Term Performance Program, 507 shares of common stock of Keysight Technologies, Inc. were awarded to the reporting person. Under the Keysight Technologies, Inc. Deferred Compensation Plan, the reporting person has elected to defer 456 of such shares of common stock.

2. The reporting person surrendered 24 shares to Keysight to satisfy the tax liability on the release of the Long-Term Performance shares in accordance with Rule 16b-3.

3. Common stock underlying restricted stock units ("RSUs") granted on November 19, 2025, pursuant to the Keysight 2014 Equity and Incentive Compensation Plan. The RSUs vest in equal installments on each of the first four anniversaries of the grant date.

4. The reporting person surrendered 185 shares to Keysight to satisfy tax liability on the release of restricted shares in accordance with Rule 16b-3.

Remarks:

	Jeffrey K. Li, Attorney-in-fact for Sung Jin Yoon	11/21/2025
	** 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.
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FAQ

What insider transaction did KEYS executive Sung Jin Yoon report?

Sung Jin Yoon, a senior vice president of Keysight Technologies (KEYS), reported equity awards and related tax-withholding share surrenders, including common stock and restricted stock units granted on November 19, 2025.

How many Keysight (KEYS) shares were awarded to Sung Jin Yoon?

On November 19, 2025, Yoon was awarded 507 shares of Keysight common stock under the Long-Term Performance Program, with 456 of those shares elected to be deferred under the Deferred Compensation Plan.

What restricted stock units (RSUs) did Sung Jin Yoon receive from KEYS?

Yoon received 6,429 shares of common stock underlying RSUs on November 19, 2025 under the Keysight 2014 Equity and Incentive Compensation Plan. These RSUs vest in four equal annual installments on each of the first four anniversaries of the grant date.

Why did Sung Jin Yoon surrender Keysight (KEYS) shares on November 19–20, 2025?

Yoon surrendered 24 shares on November 19, 2025 and 185 shares on November 20, 2025 to Keysight to satisfy tax liabilities related to the release of Long-Term Performance shares and restricted shares, in accordance with Rule 16b-3.

How many KEYS shares does Sung Jin Yoon own after these transactions?

Following the reported transactions, Yoon beneficially owned 17,993.818 shares of Keysight Technologies common stock, held directly.

Is the reported KEYS Form 4 a sale of shares on the open market?

The reported dispositions are share surrenders to Keysight to cover tax liabilities under Rule 16b-3, rather than open-market sales to third parties.