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  2. SECTOR : PHARMA & BIOTECH
  3. INDUSTRY : MAJOR PHARMACEUTICALS
  4. TOURMALINE BIO INC
Tourmaline Bio Inc XNAS: TRML

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Insider Trading disclosures for Tourmaline Bio Inc

The latest disclosure was made by Caley Castelein in Tourmaline Bio Inc where a trade of 10,000 Employee Stock Option (Right to Buy) done was reported to US exchanges on Oct. 28, 2025.

Insider trading is the trading of a company’s securities by individuals with access to confidential or material non-public information about the company. A company is required to report trading by corporate officers, directors, or other company members with significant access to privileged information to the Securities and Exchange Commission (SEC).

Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Caley Castelein Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 10,000 0 - - Employee Stock Option (Right to Buy)
Sandeep C. Kulkarni Director, CEO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 503,478 0 - - Employee Stock Option (Right to Buy)
Sandeep C. Kulkarni Director, CEO 28 Oct 2025 7,000 0 - - Common Stock
Sandeep C. Kulkarni Director, CEO 28 Oct 2025 724,664 30,387 - - Common Stock
Sandeep C. Kulkarni Director, CEO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 30,387 0 - - Common Stock
Aaron Kantoff Director 28 Oct 2025 88,281 0 - - Common Stock
Aaron Kantoff Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 10,000 0 - - Employee Stock Option (Right to Buy)
Aaron Kantoff Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 16,800 0 - - Employee Stock Option (Right to Buy)
Caley Castelein Director 28 Oct 2025 515,997 0 - - Common Stock
Caley Castelein Director 28 Oct 2025 431,939 0 - - Common Stock
Caley Castelein Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 10,000 0 - - Employee Stock Option (Right to Buy)
Sandeep C. Kulkarni Director, CEO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 254,207 0 - - Employee Stock Option (Right to Buy)
Caley Castelein Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 16,800 0 - - Employee Stock Option (Right to Buy)
Sapna Srivastava Director 28 Oct 2025 518 0 - - Common Stock
Sapna Srivastava Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 10,000 0 - - Employee Stock Option (Right to Buy)
Sapna Srivastava Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 16,800 0 - - Employee Stock Option (Right to Buy)
Sapna Srivastava Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 20,000 0 - - Employee Stock Option (Right to Buy)
W. Bradford Middlekauff CBO, GC and Secretary 28 Oct 2025 60,988 8,213 - - Common Stock
W. Bradford Middlekauff CBO, GC and Secretary Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 124,991 0 - - Employee Stock Option (Right to Buy)
W. Bradford Middlekauff CBO, GC and Secretary Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 46,774 0 - - Employee Stock Option (Right to Buy)
W. Bradford Middlekauff CBO, GC and Secretary Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 58,000 0 - - Employee Stock Option (Right to Buy)
Kevin Bruce Johnson Chief Regulatory Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 96,146 0 - - Employee Stock Option (Right to Buy)
Ryan F. Robinson CFO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 25,845 0 - - Employee Stock Option (Right to Buy)
Ryan F. Robinson CFO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 16,000 0 - - Employee Stock Option (Right to Buy)
Ryan F. Robinson CFO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 76,400 0 - - Employee Stock Option (Right to Buy)
Ryan F. Robinson CFO 28 Oct 2025 14,366 0 - - Common Stock
Ryan F. Robinson CFO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 58,000 0 - - Employee Stock Option (Right to Buy)
Parvinder Thiara Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 16,800 0 - - Employee Stock Option (Right to Buy)
Parvinder Thiara Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 10,000 0 - - Employee Stock Option (Right to Buy)
Parvinder Thiara Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 10,000 0 - - Employee Stock Option (Right to Buy)
Parvinder Thiara Director 28 Oct 2025 83,782 0 - - Common Stock
Kevin Bruce Johnson Chief Regulatory Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 58,000 0 - - Employee Stock Option (Right to Buy)
W. Bradford Middlekauff CBO, GC and Secretary Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 8,213 0 - - Common Stock
Kevin Bruce Johnson Chief Regulatory Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 11,046 0 - - Common Stock
Kevin Bruce Johnson Chief Regulatory Officer 28 Oct 2025 40,538 11,046 - - Common Stock
Kevin Bruce Johnson Chief Regulatory Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 46,774 0 - - Employee Stock Option (Right to Buy)
Susan Dana Jones Chief Technology Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 3,152 0 - - Common Stock
Susan Dana Jones Chief Technology Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 76,219 0 - - Employee Stock Option (Right to Buy)
Susan Dana Jones Chief Technology Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 46,774 0 - - Employee Stock Option (Right to Buy)
Susan Dana Jones Chief Technology Officer Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 58,000 0 - - Employee Stock Option (Right to Buy)
Susan Dana Jones Chief Technology Officer 28 Oct 2025 19,782 3,152 - - Common Stock
Sandeep C. Kulkarni Director, CEO Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 226,000 0 - - Employee Stock Option (Right to Buy)
Clay B. Siegall Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 20,000 0 - - Employee Stock Option (Right to Buy)
Mark D. Mcdade Director 28 Oct 2025 518 0 - - Common Stock
Mark D. Mcdade Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 16,800 0 - - Employee Stock Option (Right to Buy)
Mark D. Mcdade Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 10,000 0 - - Employee Stock Option (Right to Buy)
Mark D. Mcdade Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 20,000 0 - - Employee Stock Option (Right to Buy)
Mark D. Mcdade Director 28 Oct 2025 448,431 0 - - Common Stock
Mark D. Mcdade Director 28 Oct 2025 110,083 0 - - Common Stock
Mark D. Mcdade Director 28 Oct 2025 183,177 0 - - Common Stock
Clay B. Siegall Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 15,000 0 - - Employee Stock Option (Right to Buy)
Clay B. Siegall Director Sale or transfer of securities back to the company at price $ 0.00 per share. 28 Oct 2025 16,800 0 - - Employee Stock Option (Right to Buy)
Aaron Kantoff Director Gift of securities by or to the insider at price $ 0.00 per share. 24 Oct 2025 5,000 88,281 - 0 Common Stock
Ryan F. Robinson CFO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 22 Oct 2025 14,366 25,845 - - Employee Stock Option (Right to Buy)
Ryan F. Robinson CFO Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.92 per share. 22 Oct 2025 14,366 14,366 - 13.9 199,975 Common Stock
Sandeep C. Kulkarni Director, CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.90 per share. 22 Oct 2025 25,316 755,051 - 7.9 199,996 Common Stock
Sandeep C. Kulkarni Director, CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 22 Oct 2025 25,316 503,478 - - Employee Stock Option (Right to Buy)
Kevin Bruce Johnson Chief Regulatory Officer Gift of securities by or to the insider at price $ 0.00 per share. 15 Oct 2025 6,250 51,584 - 0 Common Stock
Caley Castelein Director Gift of securities by or to the insider at price $ 0.00 per share. 15 Oct 2025 522 515,997 - 0 Common Stock
Aaron Kantoff Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 05 Sep 2025 10,000 0 - - Stock Option (Right to Buy)
Aaron Kantoff Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 05 Sep 2025 37,890 0 - - Stock Option (Right to Buy)
Aaron Kantoff Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.13 per share. 05 Sep 2025 37,890 83,281 - 0.1 4,926 Common Stock
Aaron Kantoff Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.46 per share. 05 Sep 2025 10,000 93,281 - 9.5 94,600 Common Stock
Parvinder Thiara Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Jun 2025 16,800 16,800 - - Stock Option (Right to Buy)
Aaron Kantoff Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Jun 2025 16,800 16,800 - - Stock Option (Right to Buy)
Caley Castelein Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Jun 2025 16,800 16,800 - - Stock Option (Right to Buy)
Sapna Srivastava Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Jun 2025 16,800 16,800 - - Stock Option (Right to Buy)
Clay B. Siegall Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Jun 2025 16,800 16,800 - - Stock Option (Right to Buy)
Mark D. Mcdade Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Jun 2025 16,800 16,800 - - Stock Option (Right to Buy)
Sandeep C. Kulkarni Director, CEO Grant, award, or other acquisition of securities at price $ 0.00 per share. 03 Feb 2025 226,000 226,000 - - Employee Stock Option (Right to Buy)
Kevin Bruce Johnson Chief Regulatory Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 27 Jan 2025 58,000 58,000 - - Employee Stock Option (Right to Buy)
W. Bradford Middlekauff CBO, GC and Secretary Grant, award, or other acquisition of securities at price $ 0.00 per share. 27 Jan 2025 58,000 58,000 - - Employee Stock Option (Right to Buy)
Susan Dana Jones Chief Technology Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 27 Jan 2025 58,000 58,000 - - Employee Stock Option (Right to Buy)
Ryan F. Robinson Chief Financial Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 27 Jan 2025 58,000 58,000 - - Employee Stock Option (Right to Buy)
Sandeep C. Kulkarni Director, CEO Purchase of securities on an exchange or from another person at price $ 14.85 per share. 21 Aug 2024 1,779 7,000 - 14.8 26,418 Common Stock
Sandeep C. Kulkarni Director, CEO Purchase of securities on an exchange or from another person at price $ 13.79 per share. 16 Aug 2024 5,221 5,221 - 13.8 71,998 Common Stock
Ryan F. Robinson Chief Financial Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 25 Jun 2024 76,400 76,400 - - Employee Stock Option (Right to Buy)
Mark D. Mcdade Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2024 10,000 10,000 - - Stock Option (Right to Buy)
Parvinder Thiara Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2024 10,000 10,000 - - Stock Option (Right to Buy)
Aaron Kantoff Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2024 10,000 10,000 - - Stock Option (Right to Buy)
Caley Castelein Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2024 10,000 10,000 - - Stock Option (Right to Buy)
Sapna Srivastava Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2024 10,000 10,000 - - Stock Option (Right to Buy)
Clay B. Siegall Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Jun 2024 15,000 15,000 - - Stock Option (Right to Buy)
Mark D. Mcdade Director Purchase of securities on an exchange or from another person at price $ 32.50 per share. 29 Jan 2024 100,000 448,431 - 32.5 3,250,000 Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
View All The Insider Trades disclosures
Screeners based on Insider Trading and SAST parameters