IPG Photonics (IPGP) SVP uses 663 shares to cover RSU tax withholding

Rhea-AI Filing Summary

IPG Photonics Corp executive Paulus Bucher, SVP Global Operations, reported a disposition of 663 shares of common stock on 2026-08-08. The shares were withheld to cover taxes on vested restricted stock units, at a value of $90.23 per share, leaving him with 6,053 directly held shares.

Insider Trade Summary

Net Seller: 663 shares

Net Sell 1 txn

Insider Bucher Paulus

Role SVP, Global Operations

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	663	$90.23	$60K

Holdings After Transaction: Common Stock — 6,053 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld to cover taxes for restricted stock units which have vested.

Key Figures

Shares withheld for taxes: 663 shares Per-share value: $90.23 per share Shares held after transaction: 6,053 shares

3 metrics

Shares withheld for taxes 663 shares Common stock withheld to cover taxes on vested RSUs on 2026-08-08

Per-share value $90.23 per share Value used for the 663-share tax-withholding disposition

Shares held after transaction 6,053 shares Direct IPG Photonics common stock holdings following the Form 4 transaction

Key Terms

restricted stock units, withheld to cover taxes, Form 4

3 terms

restricted stock units financial

"Represents shares withheld to cover taxes for restricted stock units which have vested"

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.

withheld to cover taxes financial

"Represents shares withheld to cover taxes for restricted stock units which have vested"

Form 4 regulatory

"reported in a Form 4 insider transaction by an executive officer"

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.

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

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Available on EDGAR 08/10/2026 - 04:13 PM Accepted by SEC EDGAR 08/10/2026 - 04:12 PM Learn about SEC filing dates

FAQ

What insider transaction did IPGP executive Paulus Bucher report on this Form 4?

Paulus Bucher reported 663 IPGP common shares disposed on 2026-08-08. These shares were withheld to cover taxes on vested restricted stock units, not an open-market sale, at a value of $90.23 per share.

Was the IPGP (IPGP) insider transaction an open-market sale?

No, the transaction was not an open-market sale. The filing states the 663 shares were withheld to cover taxes on restricted stock units that vested, a standard tax-settlement mechanism rather than a discretionary stock sale.

How many IPGP shares does Paulus Bucher hold after the reported transaction?

After the tax-withholding disposition, Paulus Bucher directly holds 6,053 shares of IPG Photonics common stock. This figure is reported as the total shares following the transaction in the Form 4’s ownership table.

What price per share was used for the IPGP tax-withholding shares?

The tax-withholding transaction used a value of $90.23 per share for the 663 shares withheld. This per-share amount is reported as the transaction price in the Form 4 for the non-derivative common stock entry.

What triggered the IPGP share withholding reported by Paulus Bucher?

The share withholding was triggered by the vesting of restricted stock units. The filing’s footnote explains that the 663 shares represent stock withheld to cover taxes owed upon that RSU vesting event.

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^*

Bucher Paulus

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2026

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	08/08/2026		F		663(1)	D	$90.23	6,053	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. Represents shares withheld to cover taxes for restricted stock units which have vested.

Remarks:

	/s/ Adam N. King, Attorney-in-Fact	08/10/2026
	** 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)