Form 4 for LTGO Latigo Biotherapeutics, Inc.
Accepted 2026-08-12 16:13:55 ET · period of report 2026-08-10 · accession 0001231919-26-000869 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-08-12 16:13 | 2026-08-10 | LTGO | 5AM Ventures VI, L.P. | 10% | C - Cnv Deriv | — | +7.33M | 2.35M | New | — |
| DMI | 2026-08-12 16:13 | 2026-08-10 | LTGO | 5AM Ventures VI, L.P. | 10% | C - Cnv Deriv | $0.00 | -7.33M | 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 | 2026-08-10 | C | A | 4,975,543 | — | 4,975,543 | I By 5AM Ventures VI, L.P. | — | — | (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F2) The securities are directly held by 5AM Ventures VI, L.P. ("Ventures VI"). 5AM Partners VI, LLC ("Partners VI") is the sole general partner of Ventures VI. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Partners VI and may be deemed to have shared voting and investment power over the securities beneficially owned by Ventures VI. Each of Partners VI, Dr. Parmar, and Mr. Schwab disclaims beneficial ownership of such securities except to the extent of its or his respective pecuniary interest therein. |
| 2 | Common | Common Stock | 2026-08-10 | C | A | 2,350,419 | — | 2,350,419 | I By 5AM Opportunities II, L.P. | — | — | (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F3) The securities are directly held by 5AM Opportunities II, L.P. ("Opportunities II"). 5AM Opportunities II (GP), LLC ("Opportunities II GP") is the general partner of Opportunities II and may be deemed to have sole investment and voting power over the securities held by Opportunities II. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Opportunities II GP and may be deemed to have shared voting and investment power over the securities beneficially owned by Opportunities II. Each of Opportunities II GP, Dr. Parmar, and Mr. Schwab disclaims beneficial ownership of such securities except to the extent of its or his respective pecuniary interest therein. |
| 3 | Derivative | Series A Preferred Stock | 2026-08-10 | C | D | 3,152,305 | $0.00 | 0 | I By 5AM Ventures VI, L.P. | — · — to — | 3,152,305 Common Stock | (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F2) The securities are directly held by 5AM Ventures VI, L.P. ("Ventures VI"). 5AM Partners VI, LLC ("Partners VI") is the sole general partner of Ventures VI. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Partners VI and may be deemed to have shared voting and investment power over the securities beneficially owned by Ventures VI. Each of Partners VI, Dr. Parmar, and Mr. Schwab disclaims beneficial ownership of such securities except to the extent of its or his respective pecuniary interest therein. |
| 4 | Derivative | Series A-2 Preferred Stock | 2026-08-10 | C | D | 1,823,238 | $0.00 | 0 | I By 5AM Ventures VI, L.P. | — · — to — | 1,823,238 Common Stock | (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F2) The securities are directly held by 5AM Ventures VI, L.P. ("Ventures VI"). 5AM Partners VI, LLC ("Partners VI") is the sole general partner of Ventures VI. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Partners VI and may be deemed to have shared voting and investment power over the securities beneficially owned by Ventures VI. Each of Partners VI, Dr. Parmar, and Mr. Schwab disclaims beneficial ownership of such securities except to the extent of its or his respective pecuniary interest therein. |
| 5 | Derivative | Series A-2 Preferred Stock | 2026-08-10 | C | D | 866,018 | $0.00 | 0 | I By 5AM Opportunities II, L.P. | — · — to — | 866,018 Common Stock | (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F3) The securities are directly held by 5AM Opportunities II, L.P. ("Opportunities II"). 5AM Opportunities II (GP), LLC ("Opportunities II GP") is the general partner of Opportunities II and may be deemed to have sole investment and voting power over the securities held by Opportunities II. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Opportunities II GP and may be deemed to have shared voting and investment power over the securities beneficially owned by Opportunities II. Each of Opportunities II GP, Dr. Parmar, and Mr. Schwab disclaims beneficial ownership of such securities except to the extent of its or his respective pecuniary interest therein. |
| 6 | Derivative | Series B Preferred Stock | 2026-08-10 | C | D | 1,484,401 | $0.00 | 0 | I By 5AM Opportunities II, L.P. | — · — to — | 1,484,401 Common Stock | (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F1) Each share of Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis. The Series A Preferred Stock, Series A-2 Preferred Stock and Series B Preferred Stock had no expiration date. (F3) The securities are directly held by 5AM Opportunities II, L.P. ("Opportunities II"). 5AM Opportunities II (GP), LLC ("Opportunities II GP") is the general partner of Opportunities II and may be deemed to have sole investment and voting power over the securities held by Opportunities II. Dr. Kush Parmar and Andrew J. Schwab are the managing members of Opportunities II GP and may be deemed to have shared voting and investment power over the securities beneficially owned by Opportunities II. Each of Opportunities II GP, Dr. Parmar, and Mr. Schwab disclaims beneficial ownership of such securities except to the extent of its or his respective pecuniary interest therein. |