Kynam Capital Management, LP - Aug 10, 2023 Form 4 Insider Report for 2seventy bio, Inc. (TSVT)

Role: 10%+ Owner
Signature: KYNAM CAPITAL MANAGEMENT, LP, By: KYNAM CAPITAL MANAGEMENT GP, LLC, By: /s/ Yue Tang, Yue Tang, Managing Member
Stock symbol: TSVT
Transactions as of: Aug 10, 2023
Transactions value $: $3,564,315
Form type: 4
Date filed: 8/14/2023, 08:51 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TSVT	Common Stock, par value $0.0001 per share	Purchase	$1.06M	+179K	+3.24%	$5.94	5.7M	Aug 10, 2023	See Footnote	F1
transaction	TSVT	Common Stock, par value $0.0001 per share	Purchase	$290K	+50K	+0.88%	$5.80	5.75M	Aug 10, 2023	See Footnote	F1
transaction	TSVT	Common Stock, par value $0.0001 per share	Purchase	$585K	+100K	+1.74%	$5.85	5.85M	Aug 10, 2023	See Footnote	F1
transaction	TSVT	Common Stock, par value $0.0001 per share	Purchase	$596K	+100K	+1.71%	$5.96	5.95M	Aug 10, 2023	See Footnote	F1
transaction	TSVT	Common Stock, par value $0.0001 per share	Purchase	$515K	+86.4K	+1.71%	$5.96	5.14M	Aug 10, 2023	Direct	F2
transaction	TSVT	Common Stock, par value $0.0001 per share	Purchase	$515K	+86.4K	+1.71%	$5.96	5.14M	Aug 10, 2023	See Footnote	F3

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

Explanation of Responses:

Id	Content
F1	The reported securities are owned directly by Kynam Global Healthcare Master Fund, LP (the "Master Fund"), a private investment fund managed by Kynam Capital Management, LP (the "Adviser"), and separately managed account clients of the Adviser and may be deemed to be indirectly beneficially owned by (i) the Adviser, (ii) Kynam Capital Management GP, LLC (the "Adviser GP"), the general partner of the Adviser and (iii) Yue Tang, the managing member of the Adviser GP. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
F2	The reported securities are directly owned by the Master Fund. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
F3	The reported securities are owned directly by the Master Fund and may be deemed to be indirectly beneficially owned by Kynam Fund GP, LLC, the general partner of the Master Fund. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.