Casdin Partners Master Fund, L.P. - May 17, 2023 Form 4 Insider Report for STANDARD BIOTOOLS INC. (LAB)

Signature
Casdin Partners Master Fund, LP By: Casdin Partners GP, LLC, its General Partner By: /s/ Eli Casdin, Managing Member
Stock symbol
LAB
Transactions as of
May 17, 2023
Transactions value $
$2,631,335
Form type
4
Date filed
5/19/2023, 09:00 PM
Previous filing
May 18, 2023
Next filing
May 23, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LAB Common Stock Purchase $472K +250K $1.89 250K May 17, 2023 See footnote F1, F2
transaction LAB Common Stock Purchase $324K +150K +60% $2.16 400K May 18, 2023 See footnote F2, F3
transaction LAB Common Stock Purchase $1.84M +800K +200% $2.29 1.2M May 19, 2023 See footnote F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $1.855 to $1.9237. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
F2 The securities are owned directly by Casdin Partners FO1-MSV, LP ("Casdin FO1") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to Casdin FO1, (ii) Casdin Partners GP, LLC, the general partner of Casdin FO1, and (iii) Eli Casdin, the managing member of Casdin Capital, LLC and Casdin Partners GP, LLC.
F3 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $2.1489 to $2.1759. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
F4 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $2.29 to $2.2982. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Remarks:

Eli Casdin has been deputized to represent the Reporting Persons on the board of directors of the Issuer. By virtue of Mr. Casdin's representation, for purposes of Section 16 of the Securities Exchange Act of 1934 (the "Exchange Act"), each of the Reporting Persons may be deemed directors by deputization of the Issuer. Mr. Casdin files separate Section 16 reports disclosing securities of the Issuer that he may be deemed to beneficially own for Section 16 purposes. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.