NASDAQ: SPRO
Spero Therapeutics Inc Stock Ownership - Who owns Spero Therapeutics?

Insider buying vs selling

Have Spero Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Esther RajaveluCFO CBO2025-02-0520,689$0.78
$16.14kSell
Timothy KeutzerChief Operating Officer2025-02-053,974$0.78
$3.10kSell
Timothy KeutzerChief Operating Officer2025-02-0527,643$0.78
$21.56kSell
Timothy KeutzerChief Operating Officer2025-02-0524,920$0.78
$19.44kSell
Sath ShuklaCEO President2025-02-05106,408$0.78
$83.00kSell
Ankit MahadeviaDirector2025-02-0513,959$0.78
$10.89kSell
Ankit MahadeviaDirector2025-02-0555,260$0.78
$43.10kSell
Sath ShuklaCEO President2025-02-0542,786$0.78
$33.37kSell
Sath ShuklaCEO President2025-02-056,139$0.78
$4.79kSell
Esther RajaveluCFO CBO2024-11-0817,245$1.30
$22.42kSell

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Net Insider Buy/Sell (L12M) Ownership

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SPRO Shareholders

What type of owners hold Spero Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Aquilo Capital Management LLC20.76%11,606,674$7.79MInsider
Gsk PLC16.44%9,190,606$6.17MInsider
Anson Funds Management LP6.87%3,839,886$2.58MInstitution
Glaxosmithkline PLC6.78%3,788,012$2.54MInsider
Jean Francois Formela4.31%2,408,128$1.62MInsider
Pfizer Inc4.23%2,362,348$1.59MInstitution
Vikas Goyal3.32%1,854,006$1.24MInsider
Vanguard Group Inc3.15%1,763,620$1.18MInstitution
Sath Shukla3.11%1,736,883$1.17MInsider
Renaissance Technologies LLC1.98%1,105,591$741.85kInstitution

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SPRO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SPRO28.05%63.87%Net SellingNet Selling
ATHE0.00%0.00%
DYAI8.92%91.08%Net BuyingNet Buying
ANTX37.29%62.71%Net Selling
SRZN11.49%88.51%Net BuyingNet Buying

Spero Therapeutics Stock Ownership FAQ

Who owns Spero Therapeutics?

Spero Therapeutics (NASDAQ: SPRO) is owned by 28.05% institutional shareholders, 63.87% Spero Therapeutics insiders, and 8.08% retail investors. Aquilo Capital Management LLC is the largest individual Spero Therapeutics shareholder, owning 11.61M shares representing 20.76% of the company. Aquilo Capital Management LLC's Spero Therapeutics shares are currently valued at $7.64M.

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