Bruker EVP reports RSU tax withholding trades

BRUKER CORP executive Mark Munch, Executive VP and President of Bruker Nano Inc., reported two Form 4 transactions involving Common Stock coded "F".

Rhea-AI Filing Summary

BRUKER CORP executive Mark Munch, Executive VP and President of Bruker Nano Inc., reported two Form 4 transactions involving Common Stock coded "F". On 2026-08-10, 1,573 shares were withheld at $56.32 per share, and on 2026-08-09, 1,904 shares were withheld at $53.41 per share. According to the footnote, these 3,477 shares were withheld by the company to satisfy tax withholding obligations arising from the vesting of previously granted restricted stock units, rather than discretionary market sales.

Insider Trade Summary

Tax Withholding: 3,477 shares

Tax Withholding 2 txns

Insider Munch Mark

Role EXEC VP&PRES BRUKER NANO INC.

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	1,573	$56.32	$89K
Tax Withholding	Common Stock F1	1,904	$53.41	$102K

Holdings After Transaction: Common Stock — 124,966 shares (Direct)

Footnotes (1)

1. F1. Represents shares withheld by the Company to satisfy tax withholding obligations in connection with the vesting of restricted stock units previously granted to the reporting person.

Key Figures

Shares withheld 2026-08-10: 1,573 shares Price per share 2026-08-10: $56.32 Shares withheld 2026-08-09: 1,904 shares +2 more

5 metrics

Shares withheld 2026-08-10 1,573 shares Common Stock withheld to satisfy tax withholding obligations at vesting

Price per share 2026-08-10 $56.32 Per-share value for 1,573 withheld shares on 2026-08-10

Shares withheld 2026-08-09 1,904 shares Common Stock withheld to satisfy tax withholding obligations at vesting

Price per share 2026-08-09 $53.41 Per-share value for 1,904 withheld shares on 2026-08-09

Total shares for tax withholding 3,477 shares Aggregate shares withheld across both tax-withholding transactions

Key Terms

restricted stock units, tax withholding obligations, Form 4

3 terms

restricted stock units financial

"in connection with the vesting of restricted stock units previously granted"

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.

tax withholding obligations financial

"withheld by the Company to satisfy tax withholding obligations in connection"

Form 4 regulatory

"reported two Form 4 transactions involving Common Stock coded "F""

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 transactions did BRKR executive Mark Munch report on this Form 4?

Mark Munch reported two code F transactions in Common Stock, where a total of 3,477 shares were withheld by Bruker to cover tax obligations tied to vesting restricted stock units.

Were the BRKR Form 4 transactions by Mark Munch open-market sales?

No. The Form 4 states the 3,477 shares were withheld by the company to satisfy tax withholding obligations from RSU vesting, not discretionary open-market sales by Mark Munch.

What were the dates and share counts of Mark Munch’s BRKR tax-withholding transactions?

On 2026-08-10, 1,573 shares were withheld, and on 2026-08-09, 1,904 shares were withheld. Both relate to tax withholding on vested restricted stock units for BRKR executive Mark Munch.

At what prices were BRKR shares withheld for Mark Munch’s tax obligations?

The company withheld BRKR common shares at $56.32 per share for 1,573 shares on 2026-08-10 and $53.41 per share for 1,904 shares on 2026-08-09, as reported on the Form 4.

How many total BRKR shares were involved in Mark Munch’s August 2026 Form 4?

The Form 4 reports a total of 3,477 BRKR common shares withheld by the company to satisfy tax withholding obligations connected with the vesting of previously granted restricted stock units.

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

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Available on EDGAR 08/11/2026 - 04:15 PM Accepted by SEC EDGAR 08/11/2026 - 04:15 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^*

Munch Mark

(Last) (First) (Middle)

BRUKER CORPORATION

40 MANNING ROAD

(Street)

BILLERICA MASSACHUSETTS 01821

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BRUKER CORP [ BRKR ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EXEC VP&PRES BRUKER NANO INC.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/09/2026

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	08/09/2026		F		1,904(1)	D	$53.41	126,539	D
Common Stock	08/10/2026		F		1,573(1)	D	$56.32	124,966	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 by the Company to satisfy tax withholding obligations in connection with the vesting of restricted stock units previously granted to the reporting person.

	/s/ Betsy Eberg, Attorney-in-Fact	08/11/2026
	** 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)