IPG Photonics director receives 2,436-share equity grant

Agnes Tang reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Agnes Tang reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics Corp director Agnes Tang received a grant of 2,436 shares of common stock as a restricted stock unit award. The award was granted at a stated price of $0.00 per share as equity compensation, not as an open-market purchase.

Following this grant, Tang directly holds 11,099 shares of IPG Photonics common stock. The restricted stock units vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, provided she continues serving as a director through the vesting date.

Insider Trade Summary

Grant/Award: 2,436 shares

Grant/Award 1 txn

Insider Agnes Tang

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,436	$0.00	$0.00

Holdings After Transaction: Common Stock — 11,099 shares (Direct)

Footnotes (1)

1. F1. Grant of restricted stock units vesting in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, subject to the Reporting Person's continued services as a director of the Issuer through the vesting date.

Key Figures

RSU shares granted: 2,436 shares Grant price: $0.00 per share Total shares after grant: 11,099 shares

3 metrics

RSU shares granted 2,436 shares Restricted stock unit grant to director on May 12, 2026

Grant price $0.00 per share Stated price for restricted stock unit award

Total shares after grant 11,099 shares Agnes Tang’s direct IPG Photonics holdings following the transaction

Key Terms

restricted stock units, grant date, annual stockholders' meeting, continued services as a director, +1 more

5 terms

restricted stock units financial

"Grant of restricted stock units vesting in full on the earlier of the first anniversary"

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.

grant date financial

"vesting in full on the earlier of the first anniversary of the grant date"

The grant date is the day a company formally gives an employee or contractor the right to receive stock-based compensation, such as stock options or restricted shares. It matters to investors because it fixes key terms—like the price, the start of the ownership clock, and when the award will affect the company’s financial statements and share count—so it can influence dilution, reported expenses, and potential future selling pressure.

annual stockholders' meeting financial

"the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting"

continued services as a director financial

"subject to the Reporting Person's continued services as a director of the Issuer"

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What insider transaction did IPG Photonics (IPGP) director Agnes Tang report?

Agnes Tang reported receiving 2,436 shares of IPG Photonics common stock as a restricted stock unit grant. This is a compensation-related equity award, not an open-market purchase or sale, and increases her direct holdings in the company.

How many IPG Photonics (IPGP) shares does Agnes Tang hold after this grant?

After the restricted stock unit grant, Agnes Tang directly holds 11,099 shares of IPG Photonics common stock. This total includes the 2,436 newly granted shares, reflecting her updated equity position as a director of the company.

When do Agnes Tang’s IPG Photonics (IPGP) restricted stock units vest?

The restricted stock units vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting held at least 50 weeks after the prior year's meeting, assuming Agnes Tang continues serving as a director through that vesting date.

Was Agnes Tang’s IPG Photonics (IPGP) transaction an open-market buy or sell?

The transaction was not an open-market buy or sell. It was coded as a grant or award, meaning Agnes Tang received 2,436 shares as equity compensation, with a stated grant price of $0.00 per share rather than a market transaction.

What does the Form 4 grant mean for IPG Photonics (IPGP) governance?

The Form 4 shows IPG Photonics compensating director Agnes Tang with restricted stock units. This aligns her interests with shareholders by tying part of her compensation to company equity, subject to continued service and specific vesting conditions tied to future stockholder meetings.

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

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Accepted by SEC EDGAR 05/13/2026 - 04:12 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^*

Agnes Tang

(Last) (First) (Middle)

C/O IPG PHOTONICS CORPORATION

377 SIMARANO DRIVE

(Street)

MARLBOROUGH MASSACHUSETTS 01752

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
IPG PHOTONICS CORP [ IPGP ]

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)
05/12/2026

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	05/12/2026		A		2,436(1)	A	$0	11,099	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. Grant of restricted stock units vesting in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, subject to the Reporting Person's continued services as a director of the Issuer through the vesting date.

Remarks:

	/s/ Adam N. King, Attorney-in-Fact	05/13/2026
	** 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)