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MASIMO CORP SEC Filings

Filed On Filing
14 Aug 2026 SCHEDULE 13G/A
22 Jun 2026 15-12G
12 Jun 2026 Form 4: Solomon Darlene J. S., Director

Returned 3,015 shares to the issuer ($543K) · Disposed of 1,119 Restricted Stock Units (Disposition to Issuer)

12 Jun 2026 Form 4: Scannell Timothy J, Director

Returned 2,608 shares to the issuer ($469K) · Disposed of 1,119 Restricted Stock Units (Disposition to Issuer)

12 Jun 2026 Form 4: Lane Wendy E, Director

Returned 2,608 shares to the issuer ($469K) · Disposed of 1,119 Restricted Stock Units (Disposition to Issuer)

12 Jun 2026 Form 4: Politan Capital Management Lp, Director by deputization and 3 others

Disposed of 273,550 Forward Sale Contract (obligation to sell) (Other Transaction)

12 Jun 2026 Form 4: Politan Capital Management Lp, Director by deputization and 3 others

Returned 4,590,873 shares to the issuer ($826M) · Disposed of 1,119 Restricted Stock Units (Disposition to Issuer)

12 Jun 2026 Form 4: Brennan Michelle, Director

Returned 9,309 shares to the issuer ($1.68M) · Disposed of 1,119 Restricted Stock Units (Disposition to Issuer)

12 Jun 2026 Form 4: Hataishi Paul, SVP, Chief Accounting Officer

Returned 13,317 shares to the issuer ($2.4M) · Disposed of 11,275 Restricted Stock Units (Disposition to Issuer)

12 Jun 2026 Form 4: Sampath Anand, EVP, Operations

Returned 33,901 shares to the issuer ($6.1M) · Disposed of 18,646 Restricted Stock Units (Disposition to Issuer) · Disposed of 35,512 Non-Qualified Stock Option (Right to Buy) (Disposition to Issuer) ($2.25M)

12 Jun 2026 Form 4: Meehan Greg Allen, Chief Commercial Officer

Disposed of 10,483 Restricted Stock Units (Disposition to Issuer) · Disposed of 4,306 Non-Qualified Stock Option (Right to Buy) (Disposition to Issuer) ($107K) · Disposed of 5,801 Performance-Based Restricted Stock Unit (Disposition to Issuer) ($1.04M)

12 Jun 2026 Form 4: Hellmann Elisabeth A, Chief Human Resources Officer

Returned 214 shares to the issuer ($38.5K) · Disposed of 6,990 Restricted Stock Units (Disposition to Issuer) · Disposed of 2,873 Non-Qualified Stock Option (Right to Buy) (Disposition to Issuer) ($88.4K) · 1 more

12 Jun 2026 Form 4: Dadswell Charles, EVP, General Counsel

Disposed of 22,147 Restricted Stock Units (Disposition to Issuer)

12 Jun 2026 Form 4: Benner Tim, Chief Marketing Officer

Disposed of 7,291 Restricted Stock Units (Disposition to Issuer) · Disposed of 2,537 Non-Qualified Stock Option (Right to Buy) (Disposition to Issuer) ($20.6K) · Disposed of 3,490 Performance-Based Restricted Stock Unit (Disposition to Issuer) ($628K)

12 Jun 2026 Form 4: Young Micah W, EVP, Chief Financial Officer

Returned 25,656 shares to the issuer ($4.62M) · Disposed of 20,293 Restricted Stock Units (Disposition to Issuer) · Disposed of 62,651 Non-Qualified Stock Option (Right to Buy) (Disposition to Issuer) ($3.45M) · 1 more

12 Jun 2026 Form 4: Szyman Catherine M., Director

Returned 7,605 shares to the issuer ($1.37M) · Disposed of 68,493 Restricted Stock Units (Disposition to Issuer) · Disposed of 18,617 Non-Qualified Stock Option (Right to Buy) (Disposition to Issuer) ($251K) · 1 more

11 Jun 2026 SCHEDULE 13D/A
10 Jun 2026 S-8 POS
10 Jun 2026 S-8 POS
10 Jun 2026 S-8 POS

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