Blackstone Inc. — Director's Dealing 2020

Oct 23, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Praxis Precision Medicines, Inc. (PRAX)
CIK: 0001689548
Period of Report: 2020-10-20

Reporting Person: Clarus Lifesciences III, L.P. (10% Owner)
Reporting Person: Clarus Ventures III GP, L.P. (10% Owner)
Reporting Person: Blackstone Clarus III L.L.C. (10% Owner)
Reporting Person: Blackstone Holdings I L.P. (10% Owner)
Reporting Person: Blackstone Holdings II L.P. (10% Owner)
Reporting Person: Blackstone Holdings I/II GP L.L.C. (10% Owner)
Reporting Person: Blackstone Group Inc (10% Owner)
Reporting Person: Blackstone Group Management L.L.C. (10% Owner)
Reporting Person: SCHWARZMAN STEPHEN A (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-10-20	Common Stock	C	3446711	—	Acquired	4147645	Indirect
2020-10-20	Common Stock	C	2361198	—	Acquired	6508843	Indirect
2020-10-20	Common Stock	C	659116	—	Acquired	7167959	Indirect
2020-10-20	Common Stock	C	261318	—	Acquired	7429277	Indirect
2020-10-20	Common Stock	C	907378	—	Acquired	907378	Indirect
2020-10-20	Common Stock	C	164832	—	Acquired	7594109	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-10-20	Series A Redeemable Convertible Preferred Stock	$	C	7375799	Disposed		Common Stock (3446711)	Indirect
2020-10-20	Series B Redeemable Convertible Preferred Stock	$	C	5052852	Disposed		Common Stock (2361198)	Indirect
2020-10-20	Series B-1 Redeemable Convertible Preferred Stock	$	C	1410477	Disposed		Common Stock (659116)	Indirect
2020-10-20	Series C Redeemable Convertible Preferred Stock	$	C	559208	Disposed		Common Stock (261318)	Indirect
2020-10-20	Series C Redeemable Convertible Preferred Stock	$	C	1941748	Disposed		Common Stock (907378)	Indirect
2020-10-20	Series C-1 Redeemable Convertible Preferred Stock	$	C	352734	Disposed		Common Stock (164832)	Indirect

Footnotes

F1: All series of Preferred Stock of the Issuer automatically converted into common stock of the Issuer on a 1-for-2.14 basis. Each series of Preferred Stock had no expiration date.

F2: Reflects securities held directly by Clarus Lifesciences III, L.P. Clarus Ventures III GP, L.P. is the general partner of Clarus Lifesciences III, L.P. Blackstone Clarus III L.L.C. is the general partner of Clarus Ventures III GP, L.P. The sole member of Blackstone Clarus III L.L.C. is Blackstone Holdings II L.P.

F3: Reflects securities held directly by BSOF Parallel Master Fund L.P. Blackstone Strategic Opportunity Associates L.L.C. is the general partner of BSOF Parallel Master Fund L.P. Blackstone Holdings II L.P. is the sole member of Blackstone Strategic Opportunity Associates L.L.C. Blackstone Alternative Solutions L.L.C. is the investment manager of BSOF Parallel Master Fund L.P. Blackstone Holdings I L.P. is the sole member of Blackstone Alternative Solutions L.L.C.

F4: The general partner of each of Blackstone Holdings I L.P. and Blackstone Holdings II L.P. is Blackstone Holdings I/II GP L.L.C. The sole member of Blackstone Holdings I/II GP L.L.C. is The Blackstone Group Inc. The sole holder of the Class C common stock of The Blackstone Group Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman.

F5: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F6: Due to the limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F7: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.