Insiders · SPRO

SPRO insider transactions

Spero Therapeutics Inc. (SPRO) Form 4 insider transactions - real-time wire coverage of every officer, director, and 10% owner trade.

Recent Form 3, 4, and 5 filings for SPRO

• 32d
  Officer Rajavelu Esther sold $63,352 worth of shares (25,240 units at $2.51), decreasing direct ownership by 2% to 986,851 units (SEC Form 4) to cover taxes

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 118d
  Officer Rajavelu Esther sold $207,484 worth of shares (87,917 units at $2.36), decreasing direct ownership by 8% to 1,012,091 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 118d
  Chief Operating Officer Keutzer Timothy sold $44,019 worth of shares (18,652 units at $2.36), decreasing direct ownership by 2% to 742,506 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 123d
  Chief Operating Officer Keutzer Timothy was granted 68,000 shares and sold $101,175 worth of shares (46,586 units at $2.17), increasing direct ownership by 3% to 761,158 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 123d
  Officer Rajavelu Esther was granted 249,000 shares and sold $40,572 worth of shares (18,442 units at $2.20), increasing direct ownership by 27% to 1,100,008 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 207d
  Officer Rajavelu Esther sold $95,440 worth of shares (40,270 units at $2.37), decreasing direct ownership by 4% to 869,450 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 278d
  Director Mahadevia Ankit sold $12,947 worth of shares (6,572 units at $1.97), decreasing direct ownership by 0.93% to 703,294 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 278d
  Chief Operating Officer Keutzer Timothy sold $3,339 worth of shares (1,695 units at $1.97), decreasing direct ownership by 0.23% to 739,744 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Mahadevia Ankit was granted 20,000 shares, increasing direct ownership by 3% to 709,866 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Deshpande Milind was granted 20,000 shares, increasing direct ownership by 28% to 91,454 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Jackson Scott Thomas was granted 20,000 shares, increasing direct ownership by 36% to 75,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Vink Patrick V.J.J. was granted 20,000 shares, increasing direct ownership by 36% to 75,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Pottage John C Jr was granted 20,000 shares, increasing direct ownership by 36% to 75,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Smith Cynthia was granted 20,000 shares, increasing direct ownership by 36% to 75,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Thomas Frank E was granted 20,000 shares, increasing direct ownership by 36% to 75,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 356d
  Director Tregoning Kathleen was granted 20,000 shares, increasing direct ownership by 36% to 75,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 397d
  Officer Rajavelu Esther was granted 185,000 shares, increasing direct ownership by 26% to 909,720 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 487d
  Chief Operating Officer Keutzer Timothy was granted 266,139 shares and sold $44,099 worth of shares (56,537 units at $0.78), increasing direct ownership by 39% to 741,439 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 487d
  CFO & CBO Rajavelu Esther sold $16,137 worth of shares (20,689 units at $0.78) and was granted 366,139 shares, increasing direct ownership by 91% to 724,720 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 487d
  CEO & President Shukla Sath was granted 751,407 shares and sold $121,160 worth of shares (155,333 units at $0.78), increasing direct ownership by 52% to 1,736,883 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 487d
  Director Mahadevia Ankit sold $53,991 worth of shares (69,219 units at $0.78), decreasing direct ownership by 9% to 689,866 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 572d
  CFO & CBO Rajavelu Esther sold $53,008 worth of shares (40,596 units at $1.31), decreasing direct ownership by 10% to 379,270 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 647d
  Director Mahadevia Ankit sold $7,981 worth of shares (5,912 units at $1.35), decreasing direct ownership by 0.77% to 759,085 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 647d
  Chief Operating Officer Keutzer Timothy sold $2,988 worth of shares (2,213 units at $1.35), decreasing direct ownership by 0.41% to 531,837 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 647d
  CEO & President Shukla Sath sold $3,722 worth of shares (2,757 units at $1.35), decreasing direct ownership by 0.24% to 1,140,809 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 670d
  CEO and President Shukla Sath sold $42,646 worth of shares (32,441 units at $1.31), decreasing direct ownership by 3% to 1,143,566 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Deshpande Milind was granted 20,000 shares, increasing direct ownership by 39% to 71,454 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Mahadevia Ankit was granted 20,000 shares, increasing direct ownership by 3% to 764,997 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Jackson Scott Thomas was granted 20,000 shares, increasing direct ownership by 57% to 55,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Pottage John C Jr was granted 20,000 shares, increasing direct ownership by 57% to 55,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Vink Patrick V.J.J. was granted 20,000 shares, increasing direct ownership by 57% to 55,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Tregoning Kathleen was granted 20,000 shares, increasing direct ownership by 57% to 55,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Thomas Frank E was granted 20,000 shares, increasing direct ownership by 57% to 55,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 738d
  Smith Cynthia was granted 20,000 shares, increasing direct ownership by 57% to 55,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 853d
  Keutzer Timothy was granted 239,731 shares and sold $42,121 worth of shares (30,971 units at $1.36), increasing direct ownership by 64% to 534,050 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 853d
  Mahadevia Ankit sold $87,399 worth of shares (63,795 units at $1.37), decreasing direct ownership by 8% to 744,997 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 853d
  Joseph Tamara L sold $42,341 worth of shares (30,906 units at $1.37) and was granted 239,731 shares, increasing direct ownership by 65% to 531,615 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 853d
  Hamed Kamal was granted 239,731 shares and sold $38,463 worth of shares (28,075 units at $1.37), increasing direct ownership by 37% to 788,117 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 853d
  Rajavelu Esther was granted 119,866 shares, increasing direct ownership by 40% to 419,866 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 853d
  Shukla Sath was granted 679,501 shares and sold $107,719 worth of shares (75,994 units at $1.42), increasing direct ownership by 105% to 1,176,007 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 885d
  SEC Form 4 filed by Tregoning Kathleen

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 935d
  Rajavelu Esther was granted 300,000 shares (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 935d
  SEC Form 3 filed by new insider Rajavelu Esther

  3 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Pottage John C Jr was granted 20,000 shares, increasing direct ownership by 133% to 35,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Smith Cynthia was granted 20,000 shares, increasing direct ownership by 133% to 35,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Thomas Frank E was granted 20,000 shares, increasing direct ownership by 133% to 35,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Deshpande Milind was granted 20,000 shares, increasing direct ownership by 64% to 51,454 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Tregoning Kathleen was granted 20,000 shares, increasing direct ownership by 133% to 35,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Vink Patrick V.J.J. was granted 20,000 shares, increasing direct ownership by 133% to 35,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Jackson Scott Thomas was granted 20,000 shares, increasing direct ownership by 133% to 35,000 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 971d
  Mahadevia Ankit was granted 20,000 shares, increasing direct ownership by 3% to 808,792 units (SEC Form 4)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 996d
  SEC Form 4: Hamed Kamal sold $50,160 worth of shares (39,496 units at $1.27), decreasing direct ownership by 6% to 576,461 units

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1012d
  SEC Form 4: Keutzer Timothy sold $2,336 worth of shares (1,854 units at $1.26), decreasing direct ownership by 0.57% to 325,290 units

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1012d
  SEC Form 4: Joseph Tamara L sold $2,336 worth of shares (1,854 units at $1.26), decreasing direct ownership by 0.57% to 322,790 units

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1012d
  SEC Form 4: Mahadevia Ankit sold $11,390 worth of shares (9,040 units at $1.26), decreasing direct ownership by 1% to 788,792 units

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1012d
  SEC Form 4: Shukla Sath sold $7,748 worth of shares (6,017 units at $1.29), decreasing direct ownership by 1% to 572,500 units

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1039d
  SEC Form 4: Shukla Sath was granted 266,000 shares, increasing direct ownership by 85% to 578,517 units

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1049d
  SEC Form 3 filed by new insider Dipalma Stephen J.

  3 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1090d
  SEC Form 4 filed by Hamed Kamal

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
• 1217d
  SEC Form 4: Mahadevia Ankit sold $22,238 worth of shares (12,286 units at $1.81), decreasing direct ownership by 2% to 797,832 units (for tax liability)

  4 - Spero Therapeutics, Inc. (0001701108) (Issuer)