Bruker's top three insider shareholders as of September 29, 2026 are Frank H Laukien (President Ceo, 38.51Mn shares), Juergen Srega (President Calid, 174.62K shares), Mark Munch (Exec Vppres Bruker Nano Inc., 134.81K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Frank H Laukien | President Ceo | 38,507,043 | 0 | 38,507,043 | 97.8% | 18 Aug, 2026 |
| 2 | Juergen Srega | President Calid | 174,625 | 0 | 174,625 | 0.4% | 18 Aug, 2026 |
| 3 | Mark Munch | Exec Vppres Bruker Nano Inc. | 134,806 | 0 | 134,806 | 0.3% | 16 Sep, 2026 |
| 4 | Gerald N Herman | Executive Vice President, Cfo | 111,354 | 0 | 111,354 | 0.3% | 18 Aug, 2026 |
| 5 | Richard A Packer | Director | 93,694 | 0 | 93,694 | 0.2% | 18 Feb, 2026 |
| 6 | William A Linton | Director | 63,243 | 0 | 63,243 | 0.2% | 18 Feb, 2026 |
| 7 | Falko Busse | President, Biospin Group | 48,171 | 0 | 48,171 | 0.1% | 19 Aug, 2025 |
| 8 | John A Ornell | Director | 39,732 | 0 | 39,732 | 0.1% | 18 Feb, 2026 |
| 9 | Bob Rosenthal | Director | 38,781 | 0 | 38,781 | 0.1% | 18 Feb, 2026 |
| 10 | Hermann Fritz Requardt | Director | 30,965 | 0 | 30,965 | 0.1% | 18 Feb, 2026 |
| 11 | Adelene Q Perkins | Director | 29,144 | 0 | 29,144 | 0.1% | 18 Feb, 2026 |
| 12 | Burkhard Prause | Pres. Ceo, Bruker Best | 28,461 | 0 | 28,461 | 0.1% | 18 Aug, 2026 |
| 13 | Cynthia M Friend | Director | 22,536 | 0 | 22,536 | 0.1% | 18 Feb, 2026 |
| 14 | Bonnie H Anderson | Director | 17,847 | 0 | 17,847 | 0.0% | 18 Feb, 2026 |
| 15 | Wolfgang Pusch | President Bmid Group | 9,801 | 0 | 9,801 | 0.0% | 18 Aug, 2026 |
| 16 | Laura Francis | Director | 9,018 | 0 | 9,018 | 0.0% | 18 Feb, 2026 |
| 17 | Marc A Kastner | Director | 8,051 | 0 | 8,051 | 0.0% | 22 May, 2023 |
| 18 | Thomas Bures | Chief Accounting Officer | 7,233 | 0 | 7,233 | 0.0% | 18 Aug, 2026 |
| 19 | Philip Ma | Director | 5,963 | 0 | 5,963 | 0.0% | 08 Jan, 2024 |
| 20 | Jack Phillips | Director | 4,520 | 0 | 4,520 | 0.0% | 18 Feb, 2026 |
| 21 | Thierry Bernard | Director | 2,886 | 0 | 2,886 | 0.0% | 19 May, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 15 Aug, 2026 | Juergen Srega | President Calid | Acquired A | 16,898 | $0.00 | $0 | 174,625 | Direct |
| 15 Aug, 2026 | Gerald N Herman | Executive Vice President, Cfo | Acquired A | 15,794 | $0.00 | $0 | 114,078 | Direct |
| 15 Aug, 2026 | Burkhard Prause | Pres. Ceo, Bruker Best | Acquired A | 3,303 | $0.00 | $0 | 28,461 | Direct |
| 15 Aug, 2026 | Wolfgang Pusch | President Bmid Group | Acquired A | 3,120 | $0.00 | $0 | 13,274 | Direct |
| 14 Aug, 2026 | Mark Munch | Exec Vppres Bruker Nano Inc. | Acquired M | 2,000 | $22.19 | $44.38K | 125,347 | Direct |
| 15 Aug, 2026 | Thomas Bures | Chief Accounting Officer | Acquired A | 4,035 | $0.00 | $0 | 7,233 | Direct |
| 15 Aug, 2026 | Frank H Laukien | President Ceo | Acquired A | 29,463 | $0.00 | $0 | 38,511,803 | Direct |
| 17 Aug, 2026 | Wolfgang Pusch | President Bmid Group | Disposed S | 3,473 | $56.90 | $197.61K | 9,801 | Direct |
| 15 Aug, 2026 | Juergen Srega | President Calid | Acquired A | 13,698 | $0.00 | $0 | 13,698 | Direct |
| 15 Aug, 2026 | Burkhard Prause | Pres. Ceo, Bruker Best | Acquired A | 2,678 | $0.00 | $0 | 2,678 | Direct |
| 15 Aug, 2026 | Gerald N Herman | Executive Vice President, Cfo | Disposed F | 2,724 | $57.70 | $157.17K | 111,354 | Direct |
| 15 Aug, 2026 | Frank H Laukien | President Ceo | Disposed F | 4,760 | $57.70 | $274.65K | 38,507,043 | Direct |
| 14 Aug, 2026 | Mark Munch | Exec Vppres Bruker Nano Inc. | Disposed S | 2,000 | $57.60 | $115.20K | 123,347 | Direct |
| 15 Aug, 2026 | Mark Munch | Exec Vppres Bruker Nano Inc. | Acquired A | 14,443 | $0.00 | $0 | 137,790 | Direct |
| 15 Aug, 2026 | Gerald N Herman | Executive Vice President, Cfo | Acquired A | 12,803 | $0.00 | $0 | 12,803 | Direct |
| 15 Aug, 2026 | Wolfgang Pusch | President Bmid Group | Acquired A | 2,529 | $0.00 | $0 | 2,529 | Direct |
| 15 Aug, 2026 | Mark Munch | Exec Vppres Bruker Nano Inc. | Disposed F | 2,984 | $57.70 | $172.18K | 134,806 | Direct |
| 14 Aug, 2026 | Mark Munch | Exec Vppres Bruker Nano Inc. | Disposed M | 2,000 | $0.00 | $0 | 2,000 | Direct |
| 15 Aug, 2026 | Mark Munch | Exec Vppres Bruker Nano Inc. | Acquired A | 11,708 | $0.00 | $0 | 11,708 | Direct |
| 15 Aug, 2026 | Frank H Laukien | President Ceo | Acquired A | 71,651 | $0.00 | $0 | 71,651 | Direct |