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Spero Therapeutics Inc (SPRO) Insider Trading

Total insider buys:
  • $20,578,301.34
Total insider sells:
  • $11,440,189.59
Most recent insider trade:
  • Aug. 27, 2024
Most active insider trader:
  • Aquilo Capital Management, Llc
Trader NameDateTitleAmountPriceTypeTotal Value
Aug. 27, 2024Director5,912$1.35Sell$7,981.20
Aug. 27, 2024COO2,213$1.35Sell$2,987.55
Aug. 27, 2024CEO2,757$1.35Sell$3,721.95
Aug. 5, 2024CEO17,641$1.31Sell$23,109.71
Sept. 13, 2023Insider39,496$1.27Sell$50,159.92
Aug. 29, 2023CEO4,163$1.30Sell$5,411.90
Aug. 28, 2023Insider1,854$1.26Sell$2,336.04
Aug. 28, 2023Director9,040$1.26Sell$11,390.40
Feb. 3, 2023CEO12,286$1.81Sell$22,237.66
Feb. 2, 2023CFO9,504$1.83Sell$17,392.32
Feb. 2, 2023COO3,394$1.86Sell$6,312.84
Sept. 22, 2022Major Shareholder1,901,796$2.25Sell$4,279,041.00
Aug. 29, 2022CFO6,017$0.89Sell$5,355.13
April 26, 2022Major Shareholder39,727$5.24Buy$208,169.48
March 30, 2022Major Shareholder50,000$8.79Buy$439,500.00
Jan. 31, 2022Major Shareholder125,000$11.59Buy$1,448,750.00
Jan. 24, 2022Major Shareholder1,599$10.89Buy$17,413.11
Jan. 18, 2022Major Shareholder48,488$12.41Buy$601,736.08
Jan. 10, 2022Major Shareholder8,867$12.93Buy$114,650.31
Dec. 27, 2021CEO8,000$14.58Sell$116,640.00
Oct. 29, 2021Major Shareholder150,000$17.53Buy$2,629,500.00
Sept. 30, 2021Major Shareholder134,543$18.65Buy$2,509,226.95
Sept. 13, 2021Major Shareholder44,210$18.56Buy$820,537.60
Sept. 9, 2021Major Shareholder24,749$18.50Buy$457,856.50
Aug. 30, 2021Major Shareholder44,042$17.87Buy$787,030.54
Aug. 26, 2021Major Shareholder22,982$16.55Buy$380,352.10
Feb. 8, 2021Major Shareholder3,000$21.74Sell$65,220.00
Feb. 3, 2021Major Shareholder29,354$18.98Sell$557,138.92
Feb. 1, 2021Major Shareholder13,661$19.24Sell$262,837.64
Dec. 16, 2020Major Shareholder14,933$18.62Sell$278,052.46
Dec. 16, 2020COO12,000$19.00Sell$228,000.00
Nov. 9, 2020Major Shareholder125,900$13.77Sell$1,733,643.00
Nov. 6, 2020Major Shareholder174,100$14.09Sell$2,453,069.00
Nov. 4, 2020Major Shareholder72,500$14.26Sell$1,033,850.00
Nov. 3, 2020CEO2,137$14.27Sell$30,494.99
Oct. 23, 2020CEO20$14.25Sell$285.00
Oct. 14, 2020CEO105$14.25Sell$1,496.25
Sept. 8, 2020CEO774$14.25Sell$11,029.50
July 9, 2020CEO2,293$14.31Sell$32,812.83
July 7, 2020CEO754$14.25Sell$10,744.50
July 17, 2018Major Shareholder80,000$12.50Buy$1,000,000.00
July 6, 2018Insider4,676$17.63Sell$82,437.88
July 5, 2018CFO2,000$17.50Sell$35,000.00
July 5, 2018COO4,000$17.50Sell$70,000.00
Nov. 6, 2017Major Shareholder428,571$14.00Buy$5,999,994.00
Nov. 6, 2017Director214,285$14.00Buy$2,999,990.00
Nov. 6, 2017COO1,500$14.00Buy$21,000.00
Nov. 6, 2017CFO5,000$14.00Buy$70,000.00
March 11, 2013CEO15,000$1.53Buy$22,950.00
Dec. 28, 2012Major Shareholder22,693$1.19Buy$27,004.67
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  • Insiders are both buying and selling Spero Therapeutics Inc stock.

  • The insider traders at Spero Therapeutics Inc are: Aquilo Capital Management, Llc, Ankit Mahadevia, Sath Shukla, Timothy Keutzer, Cristina Larkin, Allen S Greene, Joel Sendek, Plc Glaxosmithkline, Kamal Hamed, Zohar Ben-Dov, Jack Fingerhut, Casper Breum, and John J Gorman

  • The most active insider trader at Spero Therapeutics Inc is Aquilo Capital Management, Llc with 20 trades.

  • Aquilo Capital Management, Llc has sold the most Spero Therapeutics Inc stock with a total value of $14,941,893.02.

  • Aquilo Capital Management, Llc has bought the most Spero Therapeutics Inc stock with a total value of $10,622,892.15.

  • The most recent insider trade for Spero Therapeutics Inc was on Aug. 27, 2024.

  • The single biggest insider buy for Spero Therapeutics Inc was from Plc Glaxosmithkline with a total value of $5,999,994.00 on Nov. 6, 2017.

  • The single biggest insider sell for Spero Therapeutics Inc was from Aquilo Capital Management, Llc with a total value of $4,279,041.00 on Sept. 22, 2022.