Insiders · CRBU

CRBU insider transactions

Caribou Biosciences Inc. (CRBU) Form 4 insider transactions - real-time wire coverage of every officer, director, and 10% owner trade.

Recent Form 3, 4, and 5 filings for CRBU

• 102d
  Chief Technology Officer Kelly Timothy P sold $12,020 worth of shares (6,228 units at $1.93), decreasing direct ownership by 8% to 73,125 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 104d
  Chief Technology Officer Kelly Timothy P was granted 45,000 shares and sold $6,168 worth of shares (3,147 units at $1.96), increasing direct ownership by 112% to 79,353 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 104d
  Chief Legal Officer Mcclung Barbara G was granted 45,000 shares and sold $13,598 worth of shares (6,938 units at $1.96), increasing direct ownership by 9% to 481,564 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 104d
  Chief Business Officer Khan Ruhi Ahmad was granted 45,000 shares and sold $13,598 worth of shares (6,938 units at $1.96), increasing direct ownership by 57% to 104,998 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 104d
  Chief Medical Officer Albertson Tina M. was granted 55,000 shares and sold $2,089 worth of shares (1,066 units at $1.96), increasing direct ownership by 370% to 68,523 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  SEC Form 4 filed by Director Richardson-Heron Dara

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  SEC Form 4 filed by Director Johnson David Lee

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  SEC Form 4 filed by Director Sacks Natalie

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  SEC Form 4 filed by Director Zheng Ran

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  SEC Form 4 filed by Director Whiting Nancy

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  SEC Form 4 filed by Director Guggenhime Andrew

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  SEC Form 4 filed by Director Braunstein Scott

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  Chief Financial Officer Ryali Sriram was granted 55,000 shares, increasing direct ownership by 317% to 72,360 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 108d
  President and CEO Haurwitz Rachel E. was granted 151,700 shares, increasing direct ownership by 51% to 447,150 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 449d
  President and CEO Haurwitz Rachel E. bought $20,400 worth of shares (20,000 units at $1.02) (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  President and CEO Haurwitz Rachel E. was granted 136,750 shares, increasing direct ownership by 86% to 295,450 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  Chief Medical Officer Albertson Tina M. was granted 14,589 shares (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  Chief Legal Officer Mcclung Barbara G was granted 37,500 shares and sold $4,811 worth of shares (3,564 units at $1.35), increasing direct ownership by 8% to 443,502 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  Chief Business Officer Khan Ruhi Ahmad was granted 37,500 shares and sold $4,811 worth of shares (3,564 units at $1.35), increasing direct ownership by 103% to 66,936 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  Chief Technology Officer Kelly Timothy P was granted 37,500 shares (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  Chief Scientific Officer Kanner Steven was granted 37,500 shares and sold $4,811 worth of shares (3,564 units at $1.35), increasing direct ownership by 9% to 431,556 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  SEC Form 4 filed by Director Zheng Ran

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  SEC Form 4 filed by Director Whiting Nancy

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  SEC Form 4 filed by Director Sacks Natalie

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  SEC Form 4 filed by Director Richardson-Heron Dara

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  SEC Form 4 filed by Director Johnson David Lee

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  SEC Form 4 filed by Director Guggenhime Andrew

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 472d
  SEC Form 4 filed by Director Braunstein Scott

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 495d
  Chief Financial Officer Ryali Sriram bought $24,651 worth of shares (17,360 units at $1.42) (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 514d
  SEC Form 4 filed by Chief Financial Officer Ryali Sriram

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 515d
  SEC Form 3 filed by new insider Ryali Sriram

  3 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 564d
  VP of Finance and Controller Fischesser Ryan was granted 25,000 shares, increasing direct ownership by 27% to 118,854 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 613d
  New insider Fischesser Ryan claimed ownership of 93,854 shares (SEC Form 3)

  3 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 658d
  SEC Form 4 filed by Chief Medical Officer Albertson Tina M.

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 658d
  SEC Form 3 filed by new insider Albertson Tina M.

  3 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  O'Byrne Jason was granted 33,000 shares, increasing direct ownership by 126% to 59,224 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  Mcclung Barbara G was granted 33,000 shares, increasing direct ownership by 9% to 409,566 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  Khan Ruhi Ahmad was granted 33,000 shares (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  Haurwitz Rachel E. was granted 118,700 shares, increasing direct ownership by 297% to 158,700 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  Kanner Steven was granted 33,000 shares, increasing direct ownership by 9% to 387,037 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  SEC Form 4 filed by Zheng Ran

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  SEC Form 4 filed by Whiting Nancy

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  SEC Form 4 filed by Sacks Natalie

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  SEC Form 4 filed by Richardson-Heron Dara

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 837d
  SEC Form 4 filed by Johnson David Lee

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 838d
  SEC Form 4 filed by Guggenhime Andrew

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 838d
  SEC Form 4 filed by Braunstein Scott

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 851d
  Kanner Steven exercised 30,577 shares at a strike of $2.69, increasing direct ownership by 9% to 354,037 units (SEC Form 4)

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 881d
  SEC Form 3 filed by new insider Kelly Timothy P (Amendment)

  3/A - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 882d
  SEC Form 4 filed by Kelly Timothy P

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 882d
  SEC Form 3 filed by new insider Kelly Timothy P

  3 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1096d
  SEC Form 4 filed by Haurwitz Rachel E.

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1175d
  SEC Form 4 filed by Haurwitz Rachel E.

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1201d
  SEC Form 4 filed by Richardson-Heron Dara

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1201d
  SEC Form 4 filed by Haurwitz Rachel E.

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1201d
  SEC Form 4 filed by Kanner Steven

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1201d
  SEC Form 4 filed by Sacks Natalie

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1201d
  SEC Form 4 filed by Khan Ruhi Ahmad

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1201d
  SEC Form 4 filed by Rizvi Syed Ali-Aamir

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)
• 1201d
  SEC Form 4 filed by Zheng Ran

  4 - Caribou Biosciences, Inc. (0001619856) (Issuer)