Bruker (NASDAQ: BRKR) EVP exercises options and sells 2,000 shares under plan

Rhea-AI Filing Summary

Bruker Corporation executive Mark Munch, EVP and President of Bruker Nano Inc., exercised stock options for 2,000 shares at $22.19 and sold 2,000 shares of common stock at $43.90 on May 15, 2026. After these transactions, he held 128,443 shares and 8,000 stock options. The sale was made under a pre-arranged Rule 10b5-1 trading plan.

Insider Trade Summary

Net Seller: 2,000 shares ($87,800)

Net Sell 3 txns

Insider Munch Mark

Role EXEC VP&PRES BRUKER NANO INC.

Sold 2,000 shs ($88K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Purchase)	2,000	$0.00	--
Exercise	Common Stock	2,000	$22.19	$44K
Sale	Common Stock	2,000	$43.90	$88K

Holdings After Transaction: Stock Option (Right to Purchase) — 8,000 shares (Direct, null); Common Stock — 130,443 shares (Direct, null)

Footnotes (1)

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

Key Figures

Shares sold: 2,000 shares Sale price: $43.90 per share Options exercised: 2,000 shares +4 more

7 metrics

Shares sold 2,000 shares Open-market sale of common stock on May 15, 2026

Sale price $43.90 per share Price for 2,000 common shares sold

Options exercised 2,000 shares Stock Option (Right to Purchase) exercised

Option exercise price $22.19 per share Strike price of exercised stock options

Shares held after 128,443 shares Direct common stock holdings following transactions

Options remaining 8,000 options Remaining stock options after 2,000-share exercise

Option expiration October 4, 2026 Expiration date of the stock option grant

Key Terms

Rule 10b5-1 trading plan, Stock Option (Right to Purchase), open-market sale, derivative exercise/conversion, +1 more

5 terms

Rule 10b5-1 trading plan financial

"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Stock Option (Right to Purchase) financial

"security_title: Stock Option (Right to Purchase) with underlying security title Common Stock."

open-market sale financial

"transaction_action: open-market sale of 2,000 shares of Common Stock."

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

derivative exercise/conversion financial

"transaction_action: derivative exercise/conversion of stock options into Common Stock."

exercise or conversion of derivative security financial

"transaction_code_description: Exercise or conversion of derivative security."

Form 4 Insider Transactions: What Each Field Means →

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)
05/15/2026

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	05/15/2026		M		2,000	A	$22.19	130,443	D
Common Stock	05/15/2026		S		2,000(1)	D	$43.9	128,443	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
Stock Option (Right to Purchase)	$22.19	05/15/2026		M			2,000	(2)	10/04/2026	Common Stock	2,000	$0	8,000	D

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

2. The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

	/s/ Michael Simone, Attorney-in-Fact	05/18/2026
	** 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)

FAQ

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

Mark Munch reported exercising options for 2,000 BRKR shares at $22.19 and selling 2,000 common shares at $43.90. These same-day transactions reflect an exercise-and-sell pattern rather than a net increase in common share ownership.

How many Bruker (BRKR) shares does Mark Munch hold after these transactions?

After the reported transactions, Mark Munch directly holds 128,443 shares of Bruker common stock. He also retains 8,000 stock options, which provide additional potential equity exposure if exercised before their stated expiration date.

At what prices did Mark Munch transact Bruker (BRKR) shares and options?

He exercised stock options at an exercise price of $22.19 per share and sold 2,000 Bruker common shares at $43.90 per share. This spread reflects the difference between the option strike price and the contemporaneous market sale price.

Was the Bruker (BRKR) insider sale by Mark Munch part of a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the sales were effected under a Rule 10b5-1 trading plan adopted by Mark Munch. Such plans pre-schedule trades, indicating the timing was pre-arranged rather than a discretionary market-timing decision.

What stock options related to Bruker (BRKR) did Mark Munch exercise?

He exercised a Stock Option (Right to Purchase) covering 2,000 Bruker common shares at a $22.19 exercise price. Following this exercise, 8,000 options from that grant remained outstanding, with an expiration date of October 4, 2026.

How significant is the 2,000-share sale compared to Mark Munch’s BRKR holdings?

He sold 2,000 shares while holding 128,443 shares afterward, so the sale represents a small portion of his direct position. This scale suggests a routine liquidity event rather than a major change in his overall Bruker equity exposure.