Natera Inc. officer Michael Brophy filed a Form 144 notice of proposed sale on October 28, 2026, covering 1,178 shares of Natera common stock with an aggregate market value of $483,945.96.
Key Highlights
- Proposed sale: 1,178 shares of Natera Inc. common stock with an aggregate market value of $483,945.96, to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services.
- Source of shares: The 1,178 shares were acquired on October 26, 2026, via Restricted Stock Units from the issuer.
- Approximate sale date: October 28, 2026, on the NASDAQ exchange.
- Shares outstanding: 144,144,170 shares of common stock outstanding at the time of the notice.
- Trading plan: The filing references a Rule 10b5-1 plan adopted on September 10, 2025.
- Prior three-month sales: Brophy sold a combined 3,429 shares in four transactions between July 29, 2026, and October 27, 2026, generating total gross proceeds of $992,802.61.
Brophy's Proposed Sale and Recent Trading Activity at Natera
According to the filing, Michael Brophy, identified as an officer of Natera Inc. (NASDAQ:NTRA), submitted a Form 144 notice dated October 28, 2026, disclosing a proposed sale of 1,178 shares of the company's common stock. The shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza, 8th Floor, New York, NY 10004. The aggregate market value of the proposed sale is listed as $483,945.96. The filing states that the shares were acquired on October 26, 2026, through a Restricted Stock Unit grant from the issuer.
The filing also discloses sales by Brophy during the three months preceding the notice. On October 27, 2026, he sold 771 shares for gross proceeds of $312,177.90. On August 4, 2026, a 10b5-1 sales plan executed a sale of 478 shares for $131,077.16. On July 31, 2026, Brophy sold 317 shares for $84,952.61. On July 29, 2026, a 10b5-1 plan executed a sale of 1,863 shares for $464,594.94. The filing indicates the applicable Rule 10b5-1 plan was adopted on September 10, 2025.
Natera Inc. is listed on NASDAQ and is headquartered at 13011 McCallen Pass, Bldg A Suite 100, Austin, Texas 78753, according to the filing. The SEC file number given is 001-37478. The total shares of common stock outstanding are reported as 144,144,170.
What Was Disclosed
Natera officer Michael Brophy filed a Form 144 on October 28, 2026, proposing to sell 1,178 shares of common stock valued at $483,945.96, acquired via Restricted Stock Units, with the sale to be conducted on NASDAQ through Morgan Stanley Smith Barney LLC.




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