Casdin Partners Master Fund, L.P. - Jul 30, 2021 Form 4 Insider Report for MAXCYTE, INC. (MXCT)

Role: 10%+ Owner
Signature: Casdin Partners Master Fund, LP, By: Casdin Partners GP, LLC, its General Partner By: /s/ Eli Casdin Managing Member
Stock symbol: MXCT
Transactions as of: Jul 30, 2021
Transactions value $: $23,400,000
Form type: 4
Date filed: 8/3/2021, 06:08 PM
Previous filing: Jul 30, 2021
Next filing: Aug 4, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MXCT	Common Stock, par value $0.01 per share	Purchase	$23.4M	+1.8M	+14.79%	$13.00	14M	Jul 30, 2021	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The securities are owned directly by Casdin Partners Master Fund, LP (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC, the general partner of the Master Fund, and (ii) Eli Casdin, the managing member of Casdin Capital, LLC and Casdin Partners GP, LLC.

Remarks:

Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its or his 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.