Insiders · TRML

TRML insider transactions

Tourmaline Bio Inc. (TRML) Form 4 insider transactions - real-time wire coverage of every officer, director, and 10% owner trade.

TRML insiders

Everyone who has filed a Form 3, 4, 5 or 144 at Tourmaline Bio Inc., latest first. Follow anyone to get their next filing.

• Clay B SiegallDirector
• Mark McdadeDirector
• Aaron KantoffDirector
• Caley CasteleinDirector
• Parvinder ThiaraDirector
• Sapna SrivastavaDirector
• Susan Dana JonesChief Technology Officer
• Ryan F. RobinsonCFO
• W Bradford MiddlekauffCBO, GC and Secretary
• Kevin Bruce JohnsonChief Regulatory Officer
• Sandeep Chidambar KulkarniCEO, Director+$98.4K
• Ag Novartis10% owner, since October 2025

Recent Form 3, 4, and 5 filings for TRML

• 379d
  SEC Form 4 filed by Director Siegall Clay B

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  Director Mcdade Mark closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  Director Kantoff Aaron closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  Director Thiara Parvinder closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  Director Castelein Caley closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  Director Srivastava Sapna closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  Chief Regulatory Officer Johnson Kevin Bruce returned 11,046 shares to the company, closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  CBO, GC and Secretary Middlekauff W Bradford returned 8,213 shares to the company, closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  CFO Robinson Ryan F. closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  CEO Kulkarni Sandeep Chidambar returned 30,387 shares to the company, closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  Chief Technology Officer Jones Susan Dana returned 3,152 shares to the company, closing all direct ownership in the company (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 379d
  New insider Novartis Ag claimed ownership of 24,030,382 shares (SEC Form 3)

  3 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 383d
  Director Kantoff Aaron gifted 5,000 shares, decreasing direct ownership by 5% to 88,281 units (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 383d
  CFO Robinson Ryan F. exercised 14,366 shares at a strike of $13.92 (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 383d
  CEO Kulkarni Sandeep Chidambar exercised 25,316 shares at a strike of $7.90, increasing direct ownership by 3% to 755,051 units (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 390d
  Director Castelein Caley gifted 522 shares, decreasing direct ownership by 0.10% to 515,997 units (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 390d
  Chief Regulatory Officer Johnson Kevin Bruce gifted 6,250 shares, decreasing direct ownership by 11% to 51,584 units (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 428d
  Director Kantoff Aaron exercised 47,890 shares at a strike of $2.08, increasing direct ownership by 106% to 93,281 units (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 523d
  SEC Form 4 filed by Director Kantoff Aaron

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 523d
  SEC Form 4 filed by Director Thiara Parvinder

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 523d
  SEC Form 4 filed by Director Srivastava Sapna

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 523d
  SEC Form 4 filed by Director Siegall Clay B

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 523d
  SEC Form 4 filed by Director Castelein Caley

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 523d
  SEC Form 4 filed by Director Mcdade Mark

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 645d
  SEC Form 4 filed by CEO Kulkarni Sandeep Chidambar

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 651d
  SEC Form 4 filed by Chief Financial Officer Robinson Ryan F.

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 651d
  SEC Form 4 filed by CBO, GC and Secretary Middlekauff W Bradford

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 651d
  SEC Form 4 filed by Chief Technology Officer Jones Susan Dana

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 651d
  SEC Form 4 filed by Chief Regulatory Officer Johnson Kevin Bruce

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 811d
  CEO Kulkarni Sandeep Chidambar bought $26,418 worth of shares (1,779 units at $14.85) (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 813d
  CEO Kulkarni Sandeep Chidambar bought $71,998 worth of shares (5,221 units at $13.79) (SEC Form 4)

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 867d
  SEC Form 4 filed by Chief Financial Officer Robinson Ryan F.

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 887d
  SEC Form 4 filed by Siegall Clay B

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 887d
  SEC Form 4 filed by Mcdade Mark

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 887d
  SEC Form 4 filed by Kantoff Aaron

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 887d
  SEC Form 4 filed by Srivastava Sapna

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 887d
  SEC Form 4 filed by Thiara Parvinder

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)
• 887d
  SEC Form 4 filed by Castelein Caley

  4 - Tourmaline Bio, Inc. (0001827506) (Issuer)