UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
Tourmaline Bio, Inc.
(Name of Issuer)
Common stock, par value $0.0001 per share
(Title of Class of Securities)
89157D105
(CUSIP Number)
December 31, 2023
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
☐ Rule 13d-1(b)
☐ Rule 13d-1(c)
☒ Rule 13d-1(d)
| * | The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. |
The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus Lifesciences III, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
2
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus Defined Exit I, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
3
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus DE II, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
4
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus IV-A, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
5
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus IV-B, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
6
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus IV-C, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
7
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus IV-D, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
8
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus Ventures III GP, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
9
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Clarus III L.L.C. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
OO | |||||
10
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus Ventures DE GP, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
11
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Clarus DE L.L.C. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
OO | |||||
12
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Clarus IV GP, L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
13
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Clarus GP L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
14
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Clarus GP L.L.C. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
15
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Holdings I L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
16
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Holdings II L.P. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN | |||||
17
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Holdings I/II GP L.L.C. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
OO | |||||
18
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Inc. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
CO | |||||
19
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Blackstone Group Management L.L.C. | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
OO | |||||
20
CUSIP No. 89157D105
| 1 |
NAMES OF REPORTING PERSONS
Stephen A. Schwarzman | |||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) ☐ (b) ☒
| |||||
| 3 | SEC USE ONLY
| |||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION
United States | |||||
| NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH |
5 | SOLE VOTING POWER
0 | ||||
| 6 | SHARED VOTING POWER
0 | |||||
| 7 | SOLE DISPOSITIVE POWER
0 | |||||
| 8 | SHARED DISPOSITIVE POWER
0 | |||||
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
☐ | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN | |||||
21
| Item 1(a). | Name of Issuer |
Tourmaline Bio, Inc. (the “Issuer”)
| Item 1(b). | Address of Issuer’s Principal Executive Office |
27 West 24th Street, Suite 702, New York, NY 10010
| Item 2(a). | Name of Person Filing |
| Item 2(b). | Address of Principal Business Office |
| Item 2(c). | Citizenship |
Each of the following is hereinafter individually referred to as a “Reporting Person” and collectively as the “Reporting Persons.” This statement is filed on behalf of:
| (i) | Clarus Lifesciences III, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (ii) | Clarus Defined Exit I, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (iii) | Clarus DE II, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (iv) | Clarus IV-A, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (v) | Clarus IV-B, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (vi) | Clarus IV-C, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (vii) | Clarus IV-D, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
22
| (viii) | Clarus Ventures III GP, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (ix) | Blackstone Clarus III L.L.C. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (x) | Clarus Ventures DE GP, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xi) | Blackstone Clarus DE L.L.C. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xii) | Clarus IV GP, L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xiii) | Blackstone Clarus GP L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xiv) | Blackstone Clarus GP L.L.C. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xv) | Blackstone Holdings I L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xvi) | Blackstone Holdings II L.P. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xvii) | Blackstone Holdings I/II GP L.L.C. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
23
| (xviii) | Blackstone Inc. |
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xix) | Blackstone Group Management L.L.C. |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: State of Delaware
| (xx) | Stephen A. Schwarzman |
c/o Blackstone Inc.
345 Park Avenue
New York, NY 10154
Citizenship: United States
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. Clarus Ventures DE GP, L.P. is the general partner of each of Clarus Defined Exit I, L.P. and Clarus DE II, L.P. Blackstone Clarus DE L.L.C. is the general partner of Clarus Ventures DE GP, L.P. The sole member of Blackstone Clarus DE L.L.C. is Blackstone Holdings II L.P. Clarus IV GP, L.P. is the general partner of each of Clarus IV-A, L.P., Clarus IV-B, L.P., Clarus IV-C, L.P. and Clarus IV-D, L.P. Blackstone Clarus GP L.P. is the general partner of Clarus IV GP, L.P. Blackstone Clarus GP L.L.C. is the general partner of Blackstone Clarus GP L.P. The sole member of Blackstone Clarus GP L.L.C. is Blackstone Holdings I L.P.
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 Blackstone Inc. The sole holder of the Series II preferred stock of Blackstone 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.
Each such Reporting Person may have been deemed to beneficially own the Common Stock beneficially owned by each of Clarus Lifesciences III, L.P., Clarus Defined Exit I, L.P., Clarus DE II, L.P., Clarus IV-A, L.P., Clarus IV-B, L.P., Clarus IV-C, L.P. and Clarus IV-D, L.P. (the “Blackstone Funds”) directly or indirectly controlled by it or him, but neither the filing of this Schedule 13G nor any of its contents shall be deemed to constitute an admission that any Reporting Person (other than the Blackstone Funds to the extent they directly held Common Stock) was the beneficial owner of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended (the “Act”), or for any other purpose and each of the Reporting Persons expressly disclaims beneficial ownership of such shares. The filing of this statement should not be construed to be an admission that any member of the Reporting Persons are members of a “group” for the purposes of Sections 13(d) and 13(g) of the Act.
| Item 2(d). | Title of Class of Securities |
Common stock, par value $0.0001 per share (the “Common Stock”)
| Item 2(e). | CUSIP Number |
89157D105
| Item 3. | If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a: |
Not applicable.
24
| Item 4. | Ownership |
(a) Amount beneficially owned:
As of December 31, 2023, the Blackstone Funds no longer own any shares of Common Stock. As such, as of the date hereof, the Reporting Persons are no longer beneficial owners of more than 5% of the Common Stock of the Issuer. This filing represents an exit filing for the Reporting Persons.
(b) Percent of class:
As of the date hereof, each of the Reporting Persons may be deemed to be the beneficial owner of the percentage of Common Stock listed on such Reporting Person’s cover page.
(c) Number of Shares as to which the Reporting Person has:
| (i) | Sole power to vote or to direct the vote: |
Reporting Persons no longer beneficially own any Common Stock.
| (ii) | Shared power to vote or to direct the vote: |
Reporting Persons no longer beneficially own any Common Stock.
| (iii) | Sole power to dispose or to direct the disposition of: |
Reporting Persons no longer beneficially own any Common Stock.
| (iv) | Shared power to dispose or to direct the disposition of: |
Reporting Persons no longer beneficially own any Common Stock.
| Item 5. | Ownership of Five Percent or Less of a Class |
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: ☒
| Item 6. | Ownership of More than Five Percent on Behalf of Another Person |
Not applicable.
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company |
Not applicable.
| Item 8. | Identification and Classification of Members of the Group |
Not applicable.
| Item 9. | Notice of Dissolution of Group |
Not applicable.
| Item 10. | Certification |
Not applicable.
25
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Dated: February 9, 2024
| CLARUS LIFESCIENCES III, L.P. | ||
| By Clarus Ventures III GP, L.P., its general partner | ||
| By Blackstone Clarus III L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS DEFINED EXIT I, L.P. | ||
| By Clarus Ventures DE GP, L.P., its general partner | ||
| By: Blackstone Clarus DE L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS DE II, L.P. | ||
| By Clarus Ventures DE GP, L.P., its general partner | ||
| By: Blackstone Clarus DE L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS IV-A, L.P. | ||
| By: Clarus IV GP, L.P., its general partner | ||
| By: Blackstone Clarus GP L.P., its general partner | ||
| By: Blackstone Clarus GP L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS IV-B, L.P. | ||
| By: Clarus IV GP, L.P., its general partner | ||
| By: Blackstone Clarus GP L.P., its general partner | ||
| By: Blackstone Clarus GP L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS IV-C, L.P. | ||
| By: Clarus IV GP, L.P., its general partner | ||
| By: Blackstone Clarus GP L.P., its general partner | ||
| By: Blackstone Clarus GP L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS IV-D, L.P. | ||
| By: Clarus IV GP, L.P., its general partner | ||
| By: Blackstone Clarus GP L.P., its general partner | ||
| By: Blackstone Clarus GP L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS VENTURES III GP, L.P. | ||
| By Blackstone Clarus III L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| BLACKSTONE CLARUS III L.L.C. | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS VENTURES DE GP, L.P. | ||
| By: Blackstone Clarus DE L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| BLACKSTONE CLARUS DE L.L.C. | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| CLARUS IV GP, L.P. | ||
| By: Blackstone Clarus GP L.P., its general partner | ||
| By: Blackstone Clarus GP L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| BLACKSTONE CLARUS GP L.P. | ||
| By: Blackstone Clarus GP L.L.C., its general partner | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| BLACKSTONE CLARUS GP L.L.C. | ||
| By: | /s/ Omar Rehman | |
| Name: Omar Rehman | ||
| Title: Authorized Signatory | ||
| BLACKSTONE HOLDINGS I L.P. | ||
| By Blackstone Holdings I/II GP L.L.C., its general partner | ||
| By: | /s/ Tabea Hsi | |
| Name: Tabea Hsi | ||
| Title: Senior Managing Director | ||
| BLACKSTONE HOLDINGS II L.P. | ||
| By Blackstone Holdings I/II GP L.L.C., its general partner | ||
| By: | /s/ Tabea Hsi | |
| Name: Tabea Hsi | ||
| Title: Senior Managing Director | ||
| BLACKSTONE HOLDINGS I/II GP L.L.C. | ||
| By: | /s/ Tabea Hsi | |
| Name: Tabea Hsi | ||
| Title: Senior Managing Director | ||
| BLACKSTONE INC. | ||
| By: | /s/ Tabea Hsi | |
| Name: Tabea Hsi | ||
| Title: Senior Managing Director | ||
| BLACKSTONE GROUP MANAGEMENT L.L.C. | ||
| By: | /s/ Tabea Hsi | |
| Name: Tabea Hsi | ||
| Title: Senior Managing Director | ||
| /s/ Stephen A. Schwarzman | ||
| Stephen A. Schwarzman | ||