Aquilo Capital, L.P. (CIK 0001491371)

Latest company ownership

Shares held
3,419,435
Last filed at
Sep 26, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 22, 2022 Sep 26, 2022 Spero Therapeutics, Inc. 10% Owner Sell 17.5 -1,901,796 -35.74% $4.3M
Apr 26, 2022 Apr 28, 2022 Spero Therapeutics, Inc. 10% Owner Buy 72.5 +39,727 0.75% $208K
Mar 30, 2022 Mar 31, 2022 Spero Therapeutics, Inc. 10% Owner Buy 75.0 +50,000 0.96% $439.4K
Mar 14, 2022 Mar 16, 2022 Spero Therapeutics, Inc. 10% Owner Buy 65.0 +23,708 0.23% $180.8K
Feb 28, 2022 Mar 2, 2022 Spero Therapeutics, Inc. 10% Owner Buy 75.0 +44,833 0.87% $427.2K
Feb 18, 2022 Feb 23, 2022 Spero Therapeutics, Inc. 10% Owner Buy 65.0 +14,828 0.29% $137K
Jan 31, 2022 Feb 1, 2022 Spero Therapeutics, Inc. 10% Owner Buy 87.5 +125,000 2.49% $1.4M
Jan 24, 2022 Jan 26, 2022 Spero Therapeutics, Inc. 10% Owner Buy 48.8 +1,599 0.03% $17.4K
Jan 18, 2022 Jan 20, 2022 Spero Therapeutics, Inc. 10% Owner Buy 75.0 +48,488 0.98% $602K
Jan 10, 2022 Jan 12, 2022 Spero Therapeutics, Inc. 10% Owner Buy 60.0 +8,867 0.18% $114.6K
Dec 29, 2021 Jan 3, 2022 Spero Therapeutics, Inc. 10% Owner Buy 92.5 +250,493 2.64% $3.9M
Oct 29, 2021 Nov 2, 2021 Spero Therapeutics, Inc. 10% Owner Buy 92.5 +150,000 3.29% $2.6M
Sep 30, 2021 Oct 4, 2021 Spero Therapeutics, Inc. 10% Owner Buy 92.5 +134,543 3.04% $2.5M
Sep 13, 2021 Sep 15, 2021 Spero Therapeutics, Inc. 10% Owner Buy 85.0 +46,366 1.06% $860.5K
Sep 9, 2021 Sep 10, 2021 Spero Therapeutics, Inc. 10% Owner Buy 75.0 +24,749 0.57% $457.8K
Aug 30, 2021 Sep 1, 2021 Spero Therapeutics, Inc. 10% Owner Buy 87.5 +92,687 1.08% $1.7M
Aug 26, 2021 Aug 27, 2021 Spero Therapeutics, Inc. 10% Owner Buy 75.0 +36,939 0.87% $615.9K
Aug 20, 2021 Aug 24, 2021 Spero Therapeutics, Inc. 10% Owner Buy 100.0 +399,195 10.42% $6.2M
Feb 8, 2021 Feb 10, 2021 Spero Therapeutics, Inc. 10% Owner Sell 47.5 -3,000 -0.08% $65.2K
Feb 1, 2021 Feb 4, 2021 Spero Therapeutics, Inc. 10% Owner Sell 17.5 -100,000 -2.54% $1.9M
Dec 16, 2020 Dec 18, 2020 Spero Therapeutics, Inc. 10% Owner Sell 17.5 -264,933 -6.31% $5M
Nov 9, 2020 Nov 10, 2020 Spero Therapeutics, Inc. 10% Owner Sell 17.5 -125,900 -2.91% $1.7M
Nov 4, 2020 Nov 6, 2020 Spero Therapeutics, Inc. 10% Owner Sell 17.5 -174,100 -3.87% $2.5M