Form 144 Notice: 2,000 Shares Proposed Sale

Notice of proposed sale of common stock under Rule 144.

Rhea-AI Filing Summary

Notice of proposed sale of common stock under Rule 144. The filing lists 2,000 shares proposed for sale via a stock option exercise on 05/15/2026 with payment indicated as cash. The record includes two prior sales of 2,000 shares each on 04/15/2026 and 03/13/2026 with proceeds of $79,800 and $70,880, respectively.

Insights

Securities Compliance Attorney

Rule 144 notice records a proposed issuer-related sale following option exercise.

The filing lists a stock option exercise for 2,000 shares on 05/15/2026 with cash consideration. The document also records two prior sales of 2,000 shares each on 04/15/2026 and 03/13/2026 with stated proceeds.

Timing and compliance with Rule 144 resale conditions (holding period, public information, volume limitations) are not detailed here; subsequent filings or broker confirmation would show whether the sale was completed under the issuer's resale framework.

Capital Markets Analyst

Small, routine insider/affiliate selling notice; limited market impact.

The amounts shown are modest: 2,000 shares per notice and prior transactions of $79,800 and $70,880. The filing indicates the sale method as an issuer-related stock option exercise settled in cash.

Cash-flow treatment and aggregate holdings after the transactions are not disclosed; the excerpt provides transaction-level detail but not broader position context.

Key Figures

Proposed shares to be sold: 2,000 shares Prior sale proceeds (04/15/2026): $79,800 Prior sale proceeds (03/13/2026): $70,880 +1 more

4 metrics

Proposed shares to be sold 2,000 shares Stock Option Exercise on <date>05/15/2026</date>

Prior sale proceeds (04/15/2026) $79,800 Sale of 2,000 shares on <date>04/15/2026</date>

Prior sale proceeds (03/13/2026) $70,880 Sale of 2,000 shares on <date>03/13/2026</date>

Settlement method Cash Payment method for 05/15/2026 stock option exercise

Key Terms

Rule 144, Stock Option Exercise, Issuer

3 terms

Rule 144 regulatory

"Notice of proposed sale under Rule 144 for restricted or control securities"

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

"Securities To Be Sold: Stock Option Exercise on 05/15/2026"

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.

Issuer regulatory

"Sale method listed as 'ISSUER' for the 05/15/2026 transaction"

FAQ

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

What does the BRKR Form 144 notice report?

The notice reports a proposed sale of 2,000 shares via a stock option exercise on 05/15/2026. It also records prior sales of 2,000 shares on 04/15/2026 and 03/13/2026 with listed proceeds.

Who appears as the seller in the provided excerpt for BRKR?

The excerpt lists transactions tied to Mark R Munch with two prior sales of 2,000 shares on 04/15/2026 and 03/13/2026, showing proceeds of $79,800 and $70,880 respectively.

What sale method is described in the Form 144 excerpt?

The filing lists a Stock Option Exercise as the method for the 2,000-share proposed sale on 05/15/2026, with consideration indicated as cash and an issuer-related entry shown.

Do the filings show proceeds for recent sales in the excerpt?

Yes; the excerpt shows proceeds of $79,800 for the 04/15/2026 sale and $70,880 for the 03/13/2026 sale, each reported for 2,000 shares.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:07 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	87800.00	152225624	05/15/2026	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	05/15/2026	Stock Option Exercise	ISSUER			2000	05/15/2026	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	04/15/2026	2000	79800.00
MARK R MUNCH 40 Manning Road Billerica, MA 01821	Common	03/13/2026	2000	70880.00

144: Remarks and Signature

Remarks
Date of Notice	05/15/2026
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)