Aquilo Capital Management, LLC - Mar 30, 2022 Form 4 Insider Report for Spero Therapeutics, Inc. (SPRO)

Role
10%+ Owner
Signature
Aquilo Capital Management, LLC By: Marc Schneidman, its Managing Member, /s/ Marc Schneidman
Stock symbol
SPRO
Transactions as of
Mar 30, 2022
Transactions value $
$439,420
Form type
4
Date filed
3/31/2022, 03:51 PM
Previous filing
Mar 16, 2022
Next filing
Apr 28, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SPRO Common Stock, $0.001 par value Purchase $291K +33.1K +0.63% $8.79* 5.26M Mar 30, 2022 See Footnotes F1, F2
transaction SPRO Common Stock, $0.001 par value Purchase $148K +16.9K +0.32% $8.79* 5.28M Mar 30, 2022 See Footnotes F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reporting persons are Aquilo Capital, L.P. (the "Fund"), Aquilo Capital Management, LLC ("Aquilo") and Marc R. Schneidman. Aquilo is the general partner and investment adviser of the Fund and other funds managed by Aquilo that hold securities directly for the benefit of their investors. Aquilo may be deemed to beneficially own such securities indirectly as the investment adviser and general partner of the Fund and affiliated funds, and Mr. Schneidman may be deemed to beneficially own them indirectly as the control person of Aquilo. Each of, Aquilo, the Fund and Mr. Schneidman disclaims beneficial ownership of such securities except to the extent of his or its pecuniary interest therein.
F2 Aquilo Capital, LP only owns 3,472,255 of the 5,264,619 shares deemed to be beneficially owned by Aquilo Capital Management, LLC. Aquilo Capital, LP purchased 33,115 shares in this transaction on 3/30/2022.
F3 Aquilo Capital, LP only owns 3,472,255 of the 5,281,504 shares deemed to be beneficially owned by Aquilo Capital Management, LLC. Aquilo Capital, LP did not purchase any of the 16,885 shares purchased in this transaction on 03/30/2022.