Bruker officer plans $105K stock sale

Bruker Corporation officer Mark R. Munch has filed a Rule 144 notice to sell 2,000 shares of BRKR common stock following recent similar-sized sales.

Rhea-AI Filing Summary

Bruker Corporation (BRKR) reports that officer Mark R. Munch has filed a notice under Rule 144 to sell 2,000 shares of Bruker common stock through Morgan Stanley Smith Barney on NASDAQ. The planned sale has an indicated aggregate market value of $105,740 based on the filing data.

The notice states that Bruker had 152,359,316 shares of common stock outstanding as of September 15, 2026. The filing also lists prior sales by Munch of 2,000 shares on July 15, 2026 and 2,000 shares on August 14, 2026, with reported aggregate values of $120,500 and $115,200, respectively.

Key Figures

Planned shares to be sold: 2,000 shares Planned sale aggregate market value: $105,740 Shares outstanding: 152,359,316 shares +3 more

6 metrics

Planned shares to be sold 2,000 shares Rule 144 notice for common stock sale

Planned sale aggregate market value $105,740 Indicated for 2,000 shares in current notice

Shares outstanding 152,359,316 shares Common stock outstanding as of September 15, 2026

Past sale on August 14, 2026 2,000 shares; $115,200 Common stock sale reported in last 3 months

Past sale on July 15, 2026 2,000 shares; $120,500 Common stock sale reported in last 3 months

Planned sale date September 15, 2026 Date of proposed Rule 144 sale on NASDAQ

Key Terms

Rule 144, Stock Option Exercise, aggregate market value

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Stock Option Exercise financial

"Common | 09/15/2026 | Stock Option Exercise | ISSUER"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

aggregate market value financial

"Common | Morgan Stanley Smith Barney LLC ... | 2000 | 105740.00"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

What does the new Form 144 filing disclose for BRKR?

The filing discloses that officer Mark R. Munch has filed a Rule 144 notice to sell 2,000 shares of Bruker Corporation common stock, with an indicated aggregate market value of $105,740, to be sold through Morgan Stanley Smith Barney on NASDAQ.

How many Bruker (BRKR) shares are covered in the latest planned sale?

The latest planned sale covers 2,000 shares of Bruker Corporation common stock, as reported in the Rule 144 notice, with an indicated aggregate market value of $105,740.

What recent sales of BRKR stock by Mark R. Munch are reported?

The notice reports that Mark R. Munch sold 2,000 shares on July 15, 2026 for an aggregate value of $120,500 and 2,000 shares on August 14, 2026 for an aggregate value of $115,200.

How many Bruker (BRKR) shares were outstanding at the time of the filing?

The filing states that Bruker Corporation had 152,359,316 shares of common stock outstanding as of September 15, 2026, which is presented as context for the Rule 144 sale.

What is the source of the BRKR shares to be sold by Mark R. Munch?

The filing indicates the 2,000 Bruker common shares to be sold on September 15, 2026 are related to a Stock Option Exercise, with the issuer listed as the source and the consideration described as cash.

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

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Available on EDGAR 09/15/2026 - 04:19 PM Accepted by SEC EDGAR 09/15/2026 - 04:19 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001544635
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Bruker Corporation
SEC File Number	001-42828
Address of Issuer	40 Manning Road Billerica, MASSACHUSETTS 01821
Phone	978-663-3660
Name of Person for Whose Account the Securities are To Be Sold	MARK R MUNCH
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	2000	105740.00	152359316	09/15/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/15/2026	Stock Option Exercise	ISSUER			2000	09/15/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
MARK R MUNCH 40 Manning Road Billerica, MA 01821	Common	08/14/2026	2000	115200.00
MARK R MUNCH 40 Manning Road Billerica, MA 01821	Common	07/15/2026	2000	120500.00

144: Remarks and Signature

Remarks
Date of Notice	09/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/12/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Mark Munch
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)