BRKR
Bruker Corporation
NASDAQ: BRKR · HEALTHCARE · MEDICAL DEVICES
$43.27
-5.97% today
Updated 2026-06-05
Market cap
$8.26B
P/E ratio
—
P/S ratio
2.39x
EPS (TTM)
$-0.24
Dividend yield
0.36%
52W range
$28 – $65
Volume
2.4M
Bruker Corporation (BRKR) Insider transactions
Net insider activity
Net buying (493,745 shares)
Buy transactions
58
Sell transactions
42
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 2,000 | — | — |
| 2026-05-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 2,000 | $22.19 | $44380.00 |
| 2026-05-15 | BERNARD, THIERRY | Director | Buy | 2,886 | — | — |
| 2026-04-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 2,000 | — | — |
| 2026-04-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 2,000 | $22.19 | $44380.00 |
| 2026-03-13 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 2,000 | — | — |
| 2026-03-13 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 2,000 | $22.19 | $44380.00 |
| 2026-02-15 | ROSENTHAL, BOB | Director | Buy | 4,520 | — | — |
| 2026-02-15 | REQUARDT, HERMANN FRITZ | Director | Buy | 4,520 | — | — |
| 2026-02-15 | PHILLIPS, JACK | Director | Buy | 4,520 | — | — |
| 2026-02-15 | PERKINS, ADELENE Q | Director | Buy | 4,520 | — | — |
| 2026-02-15 | PACKER, RICHARD A | Director | Buy | 4,520 | — | — |
| 2026-02-15 | ORNELL, JOHN A | Director | Buy | 4,520 | — | — |
| 2026-02-15 | LINTON, WILLIAM A | Director | Buy | 4,520 | — | — |
| 2026-02-15 | FRIEND, CYNTHIA M | Director | Buy | 4,520 | — | — |
| 2026-02-15 | FRANCIS, LAURA | Director | Buy | 4,520 | — | — |
| 2026-02-15 | BURES, THOMAS | Chief Accounting Officer | Sale | 274 | $36.51 | $10003.74 |
| 2026-02-15 | ANDERSON, BONNIE H | Director | Buy | 4,520 | — | — |
| 2026-02-13 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 2,000 | — | — |
| 2026-02-13 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 2,000 | $36.94 | $73880.00 |
| 2026-01-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 2,000 | — | — |
| 2026-01-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 2,000 | $22.19 | $44380.00 |
| 2026-01-12 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 7,000 | — | — |
| 2026-01-12 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 7,000 | $55.00 | $385000.00 |
| 2026-01-05 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 15,337 | — | — |
| 2026-01-05 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 14,000 | — | — |
| 2026-01-05 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 4,506 | — | — |
| 2026-01-05 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 15,337 | $22.19 | $340328.03 |
| 2026-01-05 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 14,000 | $22.19 | $310660.00 |
| 2026-01-05 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 4,506 | $22.19 | $99988.14 |
| 2025-12-01 | PACKER, RICHARD A | Director | Sale | 10,000 | — | — |
| 2025-12-01 | PACKER, RICHARD A | Director | Buy | 10,000 | $24.00 | $240000.00 |
| 2025-12-01 | PACKER, RICHARD A | Director | Sale | 5,028 | $48.38 | $243229.50 |
| 2025-11-06 | ORNELL, JOHN A | Director | Buy | 10,000 | — | — |
| 2025-11-06 | ORNELL, JOHN A | Director | Buy | 10,000 | $24.00 | $240000.00 |
| 2025-11-06 | ORNELL, JOHN A | Director | Sale | 6,233 | $39.00 | $243087.00 |
| 2025-09-12 | FRIEND, CYNTHIA M | Director | Buy | 4,300 | — | — |
| 2025-09-12 | FRIEND, CYNTHIA M | Director | Buy | 4,300 | $26.17 | $112531.00 |
| 2025-09-12 | FRIEND, CYNTHIA M | Director | Sale | 3,535 | $32.25 | $113989.96 |
| 2025-08-15 | PRAUSE, BURKHARD | PRES. & CEO, BRUKER BEST | Buy | 5,008 | — | — |
| 2025-08-15 | PRAUSE, BURKHARD | PRES. & CEO, BRUKER BEST | Buy | 5,298 | — | — |
| 2025-08-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 22,337 | — | — |
| 2025-08-15 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Buy | 23,631 | — | — |
| 2025-08-15 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 137,339 | — | — |
| 2025-08-15 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 48,431 | — | — |
| 2025-08-15 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Buy | 24,430 | — | — |
| 2025-08-15 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Buy | 25,844 | — | — |
| 2025-08-15 | BUSSE, FALKO | PRESIDENT, BIOSPIN GROUP | Buy | 8,774 | — | — |
| 2025-08-15 | BUSSE, FALKO | PRESIDENT, BIOSPIN GROUP | Buy | 9,282 | — | — |
| 2025-08-11 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 1,279 | $30.78 | $39367.62 |
| 2025-08-11 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Sale | 4,838 | $30.78 | $148913.64 |
| 2025-08-11 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Sale | 1,420 | $30.78 | $43707.60 |
| 2025-08-10 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 1,107 | $30.43 | $33686.01 |
| 2025-08-10 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Sale | 4,657 | $30.43 | $141712.51 |
| 2025-08-10 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Sale | 1,380 | $30.43 | $41993.40 |
| 2025-08-09 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 1,340 | $30.43 | $40776.20 |
| 2025-08-09 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Sale | 3,422 | $30.43 | $104131.46 |
| 2025-08-09 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Sale | 1,846 | $30.43 | $56173.78 |
| 2025-08-05 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 844 | $32.07 | $27067.08 |
| 2025-08-05 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Sale | 3,582 | $32.07 | $114874.74 |
| 2025-08-05 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Sale | 577 | $32.07 | $18504.39 |
| 2025-06-06 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 2,608 | $38.36 | $100042.88 |
| 2025-05-15 | FRANCIS, LAURA | Director | Buy | 4,498 | — | — |
| 2025-05-13 | ORNELL, JOHN A | Director | Sale | 5,000 | — | — |
| 2025-05-13 | ORNELL, JOHN A | Director | Buy | 5,000 | $18.15 | $90750.00 |
| 2025-04-22 | LINTON, WILLIAM A | Director | Sale | 10,000 | — | — |
| 2025-04-22 | LINTON, WILLIAM A | Director | Buy | 10,000 | $24.00 | $240000.00 |
| 2025-03-10 | BURES, THOMAS | Chief Accounting Officer | Buy | 500 | $47.40 | $23697.50 |
| 2025-02-18 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 13,063 | $50.75 | $662947.25 |
| 2025-02-18 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 6,937 | $51.23 | $355382.51 |
| 2025-02-15 | ROSENTHAL, BOB | Director | Buy | 3,298 | — | — |
| 2025-02-15 | REQUARDT, HERMANN FRITZ | Director | Buy | 3,298 | — | — |
| 2025-02-15 | PERKINS, ADELENE Q | Director | Buy | 3,298 | — | — |
| 2025-02-15 | PACKER, RICHARD A | Director | Buy | 3,298 | — | — |
| 2025-02-15 | ORNELL, JOHN A | Director | Buy | 3,298 | — | — |
| 2025-02-15 | LINTON, WILLIAM A | Director | Buy | 3,298 | — | — |
| 2025-02-15 | FRIEND, CYNTHIA M | Director | Buy | 3,298 | — | — |
| 2025-02-15 | BURES, THOMAS | Chief Accounting Officer | Buy | 2,972 | — | — |
| 2025-02-15 | ANDERSON, BONNIE H | Director | Buy | 3,298 | — | — |
| 2024-12-02 | PACKER, RICHARD A | Director | Sale | 10,000 | — | — |
| 2024-12-02 | PACKER, RICHARD A | Director | Buy | 10,000 | $19.12 | $191200.00 |
| 2024-12-02 | PACKER, RICHARD A | Director | Sale | 3,350 | $57.82 | $193682.60 |
| 2024-11-22 | LINTON, WILLIAM A | Director | Sale | 10,000 | — | — |
| 2024-11-22 | LINTON, WILLIAM A | Director | Buy | 10,000 | $19.12 | $191200.00 |
| 2024-11-18 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 69,866 | $49.82 | $3.48M |
| 2024-11-18 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 26,551 | $50.82 | $1.35M |
| 2024-11-18 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Buy | 3,583 | $51.36 | $184022.88 |
| 2024-08-15 | ROSENTHAL, BOB | Director | Sale | 10,000 | — | — |
| 2024-08-15 | ROSENTHAL, BOB | Director | Sale | 2,500 | — | — |
| 2024-08-15 | ROSENTHAL, BOB | Director | Buy | 10,000 | $24.00 | $240000.00 |
| 2024-08-15 | ROSENTHAL, BOB | Director | Sale | 4,684 | $63.14 | $295747.76 |
| 2024-08-15 | ROSENTHAL, BOB | Director | Buy | 2,500 | $20.83 | $52075.00 |
| 2024-08-11 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 1,618 | $60.42 | $97759.56 |
| 2024-08-11 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Sale | 4,838 | $60.42 | $292311.96 |
| 2024-08-11 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Sale | 1,067 | $60.42 | $64468.14 |
| 2024-08-10 | MUNCH, MARK | EXEC VP&PRES BRUKER NANO INC. | Sale | 1,573 | $60.42 | $95040.66 |
| 2024-08-10 | LAUKIEN, FRANK H | Director, PRESIDENT & CEO, 10% Owner | Sale | 4,657 | $60.42 | $281375.94 |
| 2024-08-10 | HERMAN, GERALD N | EXECUTIVE VICE PRESIDENT, CFO | Sale | 1,471 | $60.42 | $88877.82 |
| 2024-08-09 | SREGA, JUERGEN | PRESIDENT CALID | Buy | 15,407 | — | — |
| 2024-08-09 | SREGA, JUERGEN | PRESIDENT CALID | Buy | 16,936 | — | — |
Frequently asked questions
Are BRKR insiders buying or selling?
Over the transactions on record, BRKR insiders have been net buyers, with about $3.29M in stock sold across 42 sales, against 23 open-market purchases.
Does insider selling at BRKR mean the stock will fall?
Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.
Which BRKR insiders are selling the most?
Recent selling is concentrated in a few names. LAUKIEN, FRANK H accounts for the largest share on record, with about $1.08M sold. Selling by one or two individuals matters less than broad selling across the whole leadership team, which is the pattern worth watching.