ARCH Venture Partners X, LLC - Oct 19, 2022 Form 3 Insider Report for Prime Medicine, Inc. (PRME)

Role
10%+ Owner
Signature
/s/ ARCH Venture Fund X, L.P., By: ARCH Venture Partners X, L.P., its General Partner, By: ARCH Venture Partners X, LLC, its General Partner, By: Mark McDonnell, attorney-in-fact
Stock symbol
PRME
Transactions as of
Oct 19, 2022
Transactions value $
$0
Form type
3
Date filed
10/19/2022, 08:08 PM
Previous filing
Jul 20, 2021
Next filing
Oct 26, 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding PRME Series A Convertible Preferred Stock Oct 19, 2022 Common Stock 5.36M By ARCH Venture Fund X, L.P F1, F2, F3
holding PRME Series A Convertible Preferred Stock Oct 19, 2022 Common Stock 5.36M By ARCH Venture Fund X Overage, L.P. F1, F2, F4
holding PRME Series B Convertible Preferred Stock Oct 19, 2022 Common Stock 367K By ARCH Venture Fund X, L.P. F1, F2, F3
holding PRME Series B Convertible Preferred Stock Oct 19, 2022 Common Stock 367K By ARCH Venture Fund X Overage, L.P. F1, F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock (together, the "Preferred Stock") are convertible into Common Stock on a one-for-3.10880 basis at any time at the option of the holder, and will automatically convert into the number of shares shown in Column 3 immediately prior to the closing of the Issuer's initial public offering. The Preferred Stock has no expiration date.
F2 ARCH Venture Partners X, LLC ("AVP X LLC") is the sole general partner of each of AVP X LP and AVP X Overage LP. Keith Crandell, Kristina Burow and Steven Gillis are members of the investment committee of AVP X LLC (the "AVP X Committee Members"). AVP X LP and AVP X Overage LP may be deemed to beneficially own the shares held by ARCH X and ARCH X Overage, respectively, AVP X LLC may be deemed to beneficially own the shares held by ARCH X and ARCH X Overage, and each of the AVP X Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH X and ARCH X Overage. AVP X LP, AVP X Overage LP, AVP X LLC, and the AVP X Committee Members each disclaim beneficial ownership except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that such shares are beneficially owned by them for Section 16 or any other purpose.
F3 Represents shares held directly by ARCH Venture Fund X, L.P. ("ARCH X"). ARCH Venture Partners X, L.P. ("AVP X LP") is the sole general partner of ARCH X.
F4 Represents shares held directly by ARCH Venture Fund X Overage, L.P. ("ARCH X Overage"). ARCH Venture Partners X Overage, L.P. ("AVP X Overage LP") is the sole general partner of ARCH X Overage.

Remarks:

Exhibit 24 Power of Attorney. Exhibit 24.1 Power of Attorney