Form 4 for SEPN Septerna, Inc.
Accepted 2024-10-28 00:00:00 ET · period of report 2024-10-28 · accession 0000950170-24-117772 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2024-10-28 | 2024-10-28 | SEPN | TRV GP V, LLC | 10% | C - Cnv Deriv | $0.00 | +4.79M | 5.85M | +454% | $0 |
| D | 2024-10-28 | 2024-10-28 | SEPN | TRV GP V, LLC | 10% | P - Purchase | $18.00 | +370.5K | 6.22M | +6% | +$6.67M |
| DI | 2024-10-28 | 2024-10-28 | SEPN | TRV GP V, LLC | 10% | C - Cnv Deriv | $0.00 | +2.87M | 2.87M | New | $0 |
| DI | 2024-10-28 | 2024-10-28 | SEPN | TRV GP V, LLC | 10% | P - Purchase | $18.00 | +279.5K | 3.15M | +10% | +$5.03M |
| D | 2024-10-28 | 2024-10-28 | SEPN | TRV GP V, LLC | 10% | C - Cnv Deriv | $0.00 | -41.25M | 0 | -100% | $0 |
| DI | 2024-10-28 | 2024-10-28 | SEPN | TRV GP V, LLC | 10% | C - Cnv Deriv | $0.00 | -24.74M | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2024-10-28 | C | A | 4,790,773 | $0.00 | 5,845,091 | D See Footnotes | — | — | (F2) The shares are held directly by Third Rock Ventures V, L.P. ("TRV V"). The general partner of TRV V is Third Rock Ventures GP V, L.P. ("TRV GP V"). The general partner of TRV GP V is TRV GP V, LLC ("TRV GP V LLC"). Each of TRV GP V, and TRV GP V LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. (F4) Each of Reporting Persons disclaims the existence of a Section 13(d) "group" as between the TRV V related parties and the TRV VI related parties and this report shall not be deemed an admission that any of such parties is or may be part of such a group with any of the other parties. (F3) The shares are held directly by Third Rock Ventures VI, L.P. ("TRV VI"). The general partner of TRV VI is Third Rock Ventures GP VI, L.P. ("TRV GP VI"). The general partner of TRV GP VI is TRV GP VI, LLC ("TRV GP VI LLC"). Each of TRV GP VI, and TRV GP VI LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. |
| 2 | Common | Common Stock | 2024-10-28 | P | A | 370,500 | $18.00 | 6,215,591 | D | — | — | (F2) The shares are held directly by Third Rock Ventures V, L.P. ("TRV V"). The general partner of TRV V is Third Rock Ventures GP V, L.P. ("TRV GP V"). The general partner of TRV GP V is TRV GP V, LLC ("TRV GP V LLC"). Each of TRV GP V, and TRV GP V LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. (F4) Each of Reporting Persons disclaims the existence of a Section 13(d) "group" as between the TRV V related parties and the TRV VI related parties and this report shall not be deemed an admission that any of such parties is or may be part of such a group with any of the other parties. |
| 3 | Common | Common Stock | 2024-10-28 | C | A | 2,872,956 | $0.00 | 2,872,956 | I See Footnotes | — | — | (F3) The shares are held directly by Third Rock Ventures VI, L.P. ("TRV VI"). The general partner of TRV VI is Third Rock Ventures GP VI, L.P. ("TRV GP VI"). The general partner of TRV GP VI is TRV GP VI, LLC ("TRV GP VI LLC"). Each of TRV GP VI, and TRV GP VI LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. (F4) Each of Reporting Persons disclaims the existence of a Section 13(d) "group" as between the TRV V related parties and the TRV VI related parties and this report shall not be deemed an admission that any of such parties is or may be part of such a group with any of the other parties. |
| 4 | Common | Common Stock | 2024-10-28 | P | A | 279,500 | $18.00 | 3,152,456 | I | — | — | |
| 5 | Derivative | Series A Preferred Stock | 2024-10-28 | C | D | 41,250,000 | $0.00 | 0 | D See Footnotes | — · — to — | 4,790,773 Common Stock | (F2) The shares are held directly by Third Rock Ventures V, L.P. ("TRV V"). The general partner of TRV V is Third Rock Ventures GP V, L.P. ("TRV GP V"). The general partner of TRV GP V is TRV GP V, LLC ("TRV GP V LLC"). Each of TRV GP V, and TRV GP V LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. (F4) Each of Reporting Persons disclaims the existence of a Section 13(d) "group" as between the TRV V related parties and the TRV VI related parties and this report shall not be deemed an admission that any of such parties is or may be part of such a group with any of the other parties. (F3) The shares are held directly by Third Rock Ventures VI, L.P. ("TRV VI"). The general partner of TRV VI is Third Rock Ventures GP VI, L.P. ("TRV GP VI"). The general partner of TRV GP VI is TRV GP VI, LLC ("TRV GP VI LLC"). Each of TRV GP VI, and TRV GP VI LLC, disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that it is the beneficial owner of such shares. (F1) Upon the closing of the Issuer's initial public offering, each share of Series A Preferred Stock and Series B Preferred Stock (collectively, the "Preferred Stock") automatically converted into Common Stock on a one-for-8.6103 basis without payment of consideration. The Preferred Stock had no expiration date. |
| 6 | Derivative | Series B Preferred Stock | 2024-10-28 | C | D | 24,737,017 | $0.00 | 0 | I | — · — to — | 2,872,956 Common Stock | (F1) Upon the closing of the Issuer's initial public offering, each share of Series A Preferred Stock and Series B Preferred Stock (collectively, the "Preferred Stock") automatically converted into Common Stock on a one-for-8.6103 basis without payment of consideration. The Preferred Stock had no expiration date. |