Tower Semiconductor director reports initial holdings

Tower Semiconductor Ltd director Dana Rebecca Gross has filed an initial ownership report, listing direct holdings of ordinary shares and equity awards.

Rhea-AI Filing Summary

Tower Semiconductor Ltd director Dana Rebecca Gross has filed an initial ownership report, listing direct holdings of ordinary shares and equity awards. The filing shows reported positions of 4,182 and 4,920 ordinary shares, plus restricted stock units that vest over time, subject to continued service.

One RSU grant covers 4,920 units, with 2,460 already vested and 2,460 scheduled to vest on 07/31/2026. A second RSU grant covers 4,182 units, with 2,091 vesting on 07/30/2026 and 2,091 on 07/30/2027.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Gross Dana Rebecca

Role Director

Type	Security	Shares	Price	Value
holding	Ordinary Shares	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 9,102 shares (Direct)

Footnotes (2)

1. F1. The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of ordinary stock of Tower Semiconductor Ltd. (the "Company"). 2,460 are already vested and the remaining 2,460 will vest on 07/31/2026, subject to the Reporting Person's continued service through each vesting date.
2. F2. The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of ordinary stock of Tower Semiconductor Ltd. (the "Company"). 2,091 will vest on 07/30/2026 and the remaining 2,091 will vest on 07/30/2027, subject to the Reporting Person's continued service through each vesting date.

Key Figures

Direct holding 1: 4,182 ordinary shares Direct holding 2: 4,920 ordinary shares Vested RSUs from first grant: 2,460 RSUs +3 more

6 metrics

Direct holding 1 4,182 ordinary shares Direct ownership position reported on Form 3

Direct holding 2 4,920 ordinary shares Second direct ownership position reported on Form 3

Vested RSUs from first grant 2,460 RSUs Already vested portion of RSUs from first grant

Unvested RSUs vesting 07/31/2026 2,460 RSUs Remaining RSUs from first grant vesting on 07/31/2026

RSUs vesting 07/30/2026 2,091 RSUs First half of second RSU grant vesting on 07/30/2026

RSUs vesting 07/30/2027 2,091 RSUs Second half of second RSU grant vesting on 07/30/2027

Key Terms

restricted stock units ("RSUs"), contingent right, vesting date, Ordinary Shares

4 terms

restricted stock units ("RSUs") financial

"The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one share"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

contingent right financial

"each of which represents a contingent right to receive one share of ordinary stock of Tower Semiconductor Ltd."

vesting date financial

"will vest on 07/31/2026, subject to the Reporting Person's continued service through each vesting date."

Ordinary Shares financial

"security_title": "Ordinary Shares""

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

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

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Accepted by SEC EDGAR 05/28/2026 - 07:32 AM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Gross Dana Rebecca

(Last) (First) (Middle)

RAMAT GAVRIEL INDUSTRIAL PARK

PO BOX 61

(Street)

MIGDAL HAEMEK 2310502

(City) (State) (Zip)

ISRAEL

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
05/28/2026

3. Issuer Name and Ticker or Trading Symbol
TOWER SEMICONDUCTOR LTD [ TSEM ]

3a. Foreign Trading Symbol

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

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

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

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)
Ordinary Shares	4,920(1)	D
Ordinary Shares	4,182(2)	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

Explanation of Responses:

1. The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of ordinary stock of Tower Semiconductor Ltd. (the "Company"). 2,460 are already vested and the remaining 2,460 will vest on 07/31/2026, subject to the Reporting Person's continued service through each vesting date.

2. The Reporting Person was granted restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of ordinary stock of Tower Semiconductor Ltd. (the "Company"). 2,091 will vest on 07/30/2026 and the remaining 2,091 will vest on 07/30/2027, subject to the Reporting Person's continued service through each vesting date.

Remarks:

This Form 3 is being filed to report the Reporting Person beneficial ownership of securities of the Issuer as of the date the Reporting Person became subject to the reporting requirements of Section 16 of the Securities Exchange Act of 1934.

	/s/ Meirav Shemesh on behalf of Oppenheimer Israel, as Attorney-in-fact	05/28/2026
	** 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.
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 3: SEC 1473 (03-26)