Axcelis director granted 1,440 RSUs

Titinger Jorge reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Titinger Jorge reported acquisition or exercise transactions in this Form 4 filing.

Axcelis Technologies director Jorge Titinger received an equity award in the form of restricted stock units. On May 15, 2026, he was granted 1,440 shares of common stock at no purchase price under the company’s 2012 Equity Incentive Plan. These restricted stock units are scheduled to vest on May 15, 2027, assuming he completes his current Board term, and are subject to forfeiture until they vest. Following this award, Titinger beneficially holds 5,917 shares of Axcelis common stock, including the 1,440 unvested restricted stock units.

Insider Trade Summary

Grant/Award: 1,440 shares

Grant/Award 1 txn

Insider Titinger Jorge

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,440	$0.00	$0.00

Holdings After Transaction: Common Stock — 5,917 shares (Direct)

Footnotes (2)

1. F1. These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2026. Assuming completion of the director's current term of service on the Board of Directors, these restricted stock units will vest on May 15, 2027.
2. F2. Of the shares held as of May 15, 2026, 1,440 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

Key Figures

Restricted stock units granted: 1,440 shares Post-transaction holdings: 5,917 shares Grant price: $0.0000 per share +1 more

4 metrics

Restricted stock units granted 1,440 shares RSU award on May 15, 2026

Post-transaction holdings 5,917 shares Total beneficial ownership after grant

Grant price $0.0000 per share Awarded as compensation, no purchase price

Vesting date May 15, 2027 RSUs vest assuming completion of Board term

Key Terms

restricted stock units, 2012 Equity Incentive Plan, subject to forfeiture

3 terms

restricted stock units financial

"These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2012 Equity Incentive Plan financial

"restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2026"

subject to forfeiture financial

"1,440 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture"

FAQ

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

What did Axcelis Technologies (ACLS) disclose about Jorge Titinger’s latest equity award?

Axcelis Technologies reported that director Jorge Titinger received 1,440 restricted stock units on May 15, 2026. The grant was made at no purchase price under the company’s 2012 Equity Incentive Plan and increases his total beneficial holdings to 5,917 common shares.

How many Axcelis (ACLS) shares did Jorge Titinger receive in this Form 4 filing?

Jorge Titinger received 1,440 shares of Axcelis common stock in the form of restricted stock units. These units represent a stock-based compensation award and are scheduled to vest in the future, rather than an open-market share purchase transaction.

When do Jorge Titinger’s new Axcelis (ACLS) restricted stock units vest?

The 1,440 restricted stock units granted to Jorge Titinger vest on May 15, 2027, assuming he completes his current Board term. Until that vesting date, the units remain subject to forfeiture under the terms of Axcelis Technologies’ 2012 Equity Incentive Plan.

What are Jorge Titinger’s total Axcelis (ACLS) holdings after this Form 4 transaction?

After the reported award, Jorge Titinger beneficially holds 5,917 shares of Axcelis common stock. This total includes the 1,440 restricted stock units that were granted on May 15, 2026 and remain unvested and subject to forfeiture until May 15, 2027.

Is Jorge Titinger’s Axcelis (ACLS) transaction an open-market purchase or a compensation grant?

The reported transaction is a compensation-related grant, not an open-market purchase. Axcelis awarded Jorge Titinger 1,440 restricted stock units at no purchase price under its 2012 Equity Incentive Plan as part of his service on the Board of Directors.

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

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

Titinger Jorge

(Last) (First) (Middle)

C/O AXCELIS TECHNOLOGIES, INC.

108 CHERRY HILL DRIVE

(Street)

BEVERLY MASSACHUSETTS 01915

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AXCELIS TECHNOLOGIES INC [ ACLS ]

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)
05/15/2026

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	05/15/2026		A		1,440	A	$0(1)	5,917(2)	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. These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2026. Assuming completion of the director's current term of service on the Board of Directors, these restricted stock units will vest on May 15, 2027.

2. Of the shares held as of May 15, 2026, 1,440 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

	/s/ Eileen J. Evans, 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)