1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security |
5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
Date Exercisable |
Expiration Date |
Title |
Amount or Number of Shares |
Series A Convertible Preferred Stock
|
Â
(1)
|
Â
(1)
|
Common Stock
|
675,493
|
$
(1)
|
I
|
By ARCH Venture Fund VI, L.P.
(3)
|
Series B Convertible Preferred Stock
|
Â
(2)
|
Â
(2)
|
Common Stock
|
265,252
|
$
(2)
|
I
|
By ARCH Venture Fund VI, L.P.
(3)
|
Series C Convertible Preferred Stock
|
Â
(1)
|
Â
(1)
|
Common Stock
|
570,663
|
$
(1)
|
I
|
By ARCH Venture Fund VI, L.P.
(3)
|
* |
If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** |
Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) |
The aggregate number of shares of Issuer's Preferred Stock held by the Reporting Person converts into Common Stock immediately prior to the closing of the Issuer's initial public offering and has no expiration date. These shares convert into Common Stock on a 1-for-1 basis. |
(2) |
The aggregate number of shares of Issuer's Preferred Stock held by the Reporting Person converts into Common Stock immediately prior to the closing of the Issuer's initial public offering and has no expiration date. These shares convert into Common Stock on approximately a 1-for-1.15 basis. |
(3) |
These shares are owned directly by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"). The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"). The Reporting Person is a Managing Director of ARCH VI LLC and is deemed to have voting and dispositive power over the shares held by ARCH Fund VI and may be deemed to beneficially own certain of the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose. |