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Bruker Corp (BRKR) CEO reports 4,838-share tax withholding on RSU vesting

(High)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

BRUKER CORP President & CEO Frank H. Laukien reported a Form 4 reflecting a code F transaction in the company’s common stock. On 2026-08-11, 4,838 shares were withheld by the company at $57.02 per share to satisfy tax withholding obligations arising from the vesting of previously granted restricted stock units. After this withholding, Laukien directly holds 38,482,340 common shares. The filing also lists various indirect holdings for family members, including 336,607 shares held indirectly “By Daughter.”

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Insights

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Insider LAUKIEN FRANK H
Role PRESIDENT & CEO
Type Security Shares Price Value
Tax Withholding Common Stock F1 4,838 $57.02 $276K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 38,482,340 shares (Direct); Common Stock — 1,056,682 shares (Indirect, By Former Spouse); Common Stock — 337,359 shares (Indirect, By Son); Common Stock — 336,607 shares (Indirect, By Daughter); Common Stock — 273,430 shares (Indirect, As UTMA Custodian for Son)
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.
Shares withheld for taxes 4,838 shares Common stock withheld to satisfy tax obligations on RSU vesting on 2026-08-11
Withholding price per share $57.02 per share Value used for 4,838-share tax-withholding transaction
Direct holdings after transaction 38,482,340 shares Common stock directly held by Frank H. Laukien following the code F event
Indirect holdings by Daughter 336,607 shares Common stock held indirectly, reported as "By Daughter"
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
"shares withheld by the Company to satisfy tax withholding obligations"
UTMA Custodian financial
"nature_of_ownership: As UTMA Custodian for Son"
indirect ownership financial
"ownership_type: indirect, nature_of_ownership: By Daughter"

FAQ

What insider transaction did BRKR CEO Frank H. Laukien report on this Form 4?

Frank H. Laukien reported a code F transaction where 4,838 BRKR shares were withheld by the company to cover tax withholding obligations tied to vesting restricted stock units.

How many BRKR shares were withheld for taxes in the latest filing?

The company withheld 4,838 shares of BRUKER CORP common stock at $57.02 per share to satisfy Laukien’s tax withholding obligations related to restricted stock unit vesting.

What are Frank H. Laukien’s direct BRKR holdings after this Form 4 transaction?

After the tax-withholding transaction, Frank H. Laukien directly holds 38,482,340 shares of BRUKER CORP common stock, as reported in the Form 4 filing dated 2026-08-11.

Does the BRKR Form 4 indicate an open-market sale by the CEO?

No. The Form 4 shows a code F event where shares were withheld by the company to pay taxes on restricted stock unit vesting, rather than an open-market sale initiated by the CEO.

What was the price per BRKR share used for the tax withholding in this Form 4?

The tax withholding transaction used a price of $57.02 per share for the 4,838 BRKR shares withheld to satisfy Frank H. Laukien’s tax obligations on vested restricted stock units.

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

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SEC Form 4
FORM 4UNITED 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*
LAUKIEN FRANK H

(Last)(First)(Middle)
C/O 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)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
PRESIDENT & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/11/2026F4,838(1)D$57.0238,482,340D
Common Stock1,055,639IBy Former Spouse
Common Stock337,087IBy Son
Common Stock336,607IBy Daughter
Common Stock201,702IAs UTMA Custodian for Son
Common Stock71,728IAs UTMA Custodian for Son
Common Stock1,043IBy Former Spouse
Common Stock272IBy Son
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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-Fact08/13/2026
** Signature of Reporting PersonDate
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)