SEC Form 4 · Updated Daily
BRKR
— BRUKER CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| LAUKIEN FRANK H | 10%+ Owner · Director · Officer | 38,511,803 | 2026-08-15 | A |
| LAUKIEN DIRK D | 10%+ Owner · Director | 15,862,972 | 2011-03-14 | S |
| LAUKIEN JOERG C | Director | 15,215,769 | 2018-01-05 | A |
| LAUKIEN MARC M | 10%+ Owner | 14,606,348 | 2009-05-07 | S |
| LAUKIEN ISOLDE | 10%+ Owner | 14,160,160 | 2009-09-22 | S |
| Srega Juergen | Officer | 174,625 | 2026-08-15 | A |
| Munch Mark | Officer | 136,806 | 2026-09-15 | M |
| Herman Gerald N | Officer | 114,078 | 2026-08-15 | A |
| WAGNER CHARLES F JR | Officer | 99,925 | 2015-03-17 | S |
| PACKER RICHARD A | Director | 93,694 | 2026-02-15 | A |
| KNIGHT WILLIAM J | Officer | 63,350 | 2008-11-20 | P |
| LINTON WILLIAM A | Director | 63,243 | 2026-02-15 | A |
| Busse Falko | Officer | 48,171 | 2025-08-15 | A |
| Martin Gilles Gerard Jean | Director | 44,657 | 2020-05-11 | M |
| KNISS RICHARD | Director | 44,227 | 2018-01-05 | A |
| ORNELL JOHN A | Director | 39,732 | 2026-02-15 | A |
| ROSENTHAL BOB | Director | 38,781 | 2026-02-15 | A |
| MATTACCHIONE ANTHONY L | Officer | 33,671 | 2018-02-20 | F |
| Requardt Hermann Fritz | Director | 30,965 | 2026-02-15 | A |
| Perkins Adelene Q | Director | 29,144 | 2026-02-15 | A |
| Prause Burkhard | Officer | 28,461 | 2026-08-15 | A |
| Bachmann Thomas Werner | Officer | 27,700 | 2014-08-08 | A |
| VAN INGEN CHRIS | Director | 24,477 | 2017-06-14 | M |
| FURLONG BRENDA J | Director | 23,600 | 2016-05-09 | M |
| Friend Cynthia M | Director | 22,536 | 2026-02-15 | A |
| WANGLER BERNHARD | Director | 20,250 | 2012-03-07 | M |
| Anderson Bonnie H | Director | 17,847 | 2026-02-15 | A |
| Lenggenhager Rene | Officer | 14,576 | 2017-02-24 | M |
| KELLER TONY WERNER | Director | 13,340 | 2010-12-16 | M |
| Pusch Wolfgang | Officer | 13,274 | 2026-08-15 | A |
| FRANCIS LAURA | Director | 9,018 | 2026-02-15 | A |
| Kastner Marc A | Director | 8,051 | 2023-05-19 | S |
| Bures Thomas | Officer | 7,233 | 2026-08-15 | A |
| DSILVA COLLIN J | Director | 7,000 | 2010-01-12 | M |
| Ma Philip | Director | 5,963 | 2024-01-05 | A |
| STEIN RICHARD M | Director · Officer | 5,849 | 2010-11-19 | M |
| Monahan Brian P | Officer | 5,000 | 2006-01-05 | A |
| CANAVAN M CHRISTOPHER | Director | 4,900 | 2007-02-28 | A |
| Fesik Stephen W. | Director | 4,577 | 2017-01-05 | A |
| Phillips Jack | Director | 4,520 | 2026-02-15 | A |
| DROSS DANIEL | Director | 4,000 | 2007-02-28 | A |
| CROUCH TAYLOR | Director | 4,000 | 2007-02-28 | A |
| Bernard Thierry | Director | 2,886 | 2026-05-15 | A |
| Knell Michael Gunnar | Officer | 1,839 | 2016-10-04 | A |
| GEWIESE BERND | Officer | 230 | 2013-02-11 | — |
| Emmerich Wolf-Dieter | Director | 0 | 2007-08-01 | J |
| Westermann Stephan | Officer | 0 | 2012-03-07 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-15 | Munch Mark | Option exercise (derivative) | 2,000 | $0.00 | 0 |
| 2026-09-15 | Munch Mark | Open-market sale | 2,000 | $52.87 | 134,806 |
| 2026-09-15 | Munch Mark | Option exercise | 2,000 | $22.19 | 136,806 |
| 2026-08-17 | Pusch Wolfgang | Open-market sale | 3,473 | $56.90 | 9,801 |
| 2026-08-15 | Munch Mark | Grant / award (derivative) | 11,708 | $0.00 | 11,708 |
| 2026-08-15 | Munch Mark | Tax withholding | 2,984 | $57.70 | 134,806 |
| 2026-08-15 | Munch Mark | Grant / award | 14,443 | $0.00 | 137,790 |
| 2026-08-15 | Herman Gerald N | Grant / award (derivative) | 12,803 | $0.00 | 12,803 |
| 2026-08-15 | Herman Gerald N | Tax withholding | 2,724 | $57.70 | 111,354 |
| 2026-08-15 | Herman Gerald N | Grant / award | 15,794 | $0.00 | 114,078 |
| 2026-08-15 | LAUKIEN FRANK H | Grant / award (derivative) | 71,651 | $0.00 | 71,651 |
| 2026-08-15 | LAUKIEN FRANK H | Tax withholding | 4,760 | $57.70 | 38,507,043 |
| 2026-08-15 | LAUKIEN FRANK H | Grant / award | 29,463 | $0.00 | 38,511,803 |
| 2026-08-15 | Srega Juergen | Grant / award (derivative) | 13,698 | $0.00 | 13,698 |
| 2026-08-15 | Srega Juergen | Grant / award | 16,898 | $0.00 | 174,625 |
| 2026-08-15 | Bures Thomas | Grant / award | 4,035 | $0.00 | 7,233 |
| 2026-08-15 | Pusch Wolfgang | Grant / award (derivative) | 2,529 | $0.00 | 2,529 |
| 2026-08-15 | Pusch Wolfgang | Grant / award | 3,120 | $0.00 | 13,274 |
| 2026-08-15 | Prause Burkhard | Grant / award (derivative) | 2,678 | $0.00 | 2,678 |
| 2026-08-15 | Prause Burkhard | Grant / award | 3,303 | $0.00 | 28,461 |
| 2026-08-14 | Munch Mark | Option exercise (derivative) | 2,000 | $0.00 | 2,000 |
| 2026-08-14 | Munch Mark | Open-market sale | 2,000 | $57.60 | 123,347 |
| 2026-08-14 | Munch Mark | Option exercise | 2,000 | $22.19 | 125,347 |
| 2026-08-11 | LAUKIEN FRANK H | Tax withholding | 4,838 | $57.02 | 38,482,340 |
| 2026-08-11 | Herman Gerald N | Tax withholding | 1,410 | $57.02 | 98,284 |
| 2026-08-11 | Munch Mark | Tax withholding | 1,619 | $57.02 | 123,347 |
| 2026-08-10 | LAUKIEN FRANK H | Tax withholding | 4,564 | $56.32 | 38,487,178 |
| 2026-08-10 | Herman Gerald N | Tax withholding | 1,289 | $56.32 | 99,694 |
| 2026-08-10 | Munch Mark | Tax withholding | 1,573 | $56.32 | 124,966 |
| 2026-08-09 | LAUKIEN FRANK H | Tax withholding | 2,361 | $53.41 | 38,491,742 |
| 2026-08-09 | Herman Gerald N | Tax withholding | 1,600 | $53.41 | 100,983 |
| 2026-08-09 | Munch Mark | Tax withholding | 1,904 | $53.41 | 126,539 |
| 2026-07-15 | Munch Mark | Option exercise (derivative) | 2,000 | $0.00 | 4,000 |
| 2026-07-15 | Munch Mark | Open-market sale | 2,000 | $60.25 | 128,443 |
| 2026-07-15 | Munch Mark | Option exercise | 2,000 | $22.19 | 130,443 |
| 2026-07-01 | Pusch Wolfgang | — | — | — | 10,154 |
| 2026-06-15 | Munch Mark | Option exercise (derivative) | 2,000 | $0.00 | 6,000 |
| 2026-06-15 | Munch Mark | Open-market sale | 2,000 | $54.76 | 128,443 |
| 2026-06-15 | Munch Mark | Option exercise | 2,000 | $22.19 | 130,443 |
| 2026-05-15 | Munch Mark | Option exercise (derivative) | 2,000 | $0.00 | 8,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.