SPRO

Aquilo Capital Management, LLC

Known title: 10% OwnerCIK: 0001591986

Aquilo Capital Management, LLC's purchase track record

How the stock did after each of Aquilo Capital Management, LLC's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.

Purchases measured
13
of 13 since August 30, 2021
Stock higher 6 months later
0%
3 months: 0%
Median 6-month return
-86.5%
3 months: -52.4%
Beat the S&P 500
0%
median -74.4% vs. index
PurchaseStockAmount3 months6 months
4/26/2022SPRO$208K-85.4%-63.0%
3/30/2022SPRO$439K-90.7%-76.2%
3/14/2022SPRO$181K-87.2%-86.5%
2/28/2022SPRO$427K-87.7%-90.8%
2/18/2022SPRO$137K-85.1%-89.4%
1/31/2022SPRO$1.45M-57.1%-94.2%
1/18/2022SPRO$619K-52.4%-93.8%
1/10/2022SPRO$115K-48.7%-94.2%
12/29/2021SPRO$3.86M-43.5%-94.7%
10/29/2021SPRO$2.63M-36.9%-72.3%
9/30/2021SPRO$2.51M-16.7%-52.7%
9/9/2021SPRO$1.32M-23.9%-53.1%
8/30/2021SPRO$1.71M-20.2%-46.8%

Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.

Associated companies

AI Market Commentary

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Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

September 29, 2026

SPRO among stocks that gapped in Tuesday's session. Spero Therapeutics was listed as a gapping stock on Tuesday, meaning its price opened significantly different from the previous close. Such gaps often reflect a quick shift in market sentiment. The move occurs while the stock is near its $1.19 support level and has a neutral RSI around 49.

this person other insiders at SPRO

Transaction History

SPRO▼ Sell$3.0M
SPRO▼ Sell$1.3M
SPRO▲ Buy$208K
SPRO▲ Buy$148K
SPRO▲ Buy$291K
SPRO▲ Buy$120K
SPRO▲ Buy$61K
SPRO▲ Buy$283K
SPRO▲ Buy$144K
SPRO▲ Buy$137K
SPRO▲ Buy$1.4M
SPRO▲ Buy$17K
SPRO▲ Buy$602K
SPRO▲ Buy$115K
SPRO▲ Buy$2.0M
SPRO▲ Buy$789K
SPRO▲ Buy$1.1M
SPRO▲ Buy$2.6M
SPRO▲ Buy$2.5M
SPRO▲ Buy$40K
SPRO▲ Buy$821K
SPRO▲ Buy$458K
SPRO▲ Buy$921K
SPRO▲ Buy$787K

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