Insider · CIK 0001986259
Tappin Matthew
Reports to the SEC for 1 company · HOUSTON, TX
Transactions
50
Companies
1
Filings
9
CIK
0001986259
Forms 4 and 5
Insider transactions
| Date | Company | Value |
|---|---|---|
| 2026-07-02 | STEMSTEM, INC.S Sale | −$7,818.6 |
| 2026-06-30 | STEMSTEM, INC.M Exercise/Conversion | +$39.1K |
| 2026-06-30 | STEMSTEM, INC.M Exercise/Conversion | +$21.5K |
| 2026-06-30 | STEMSTEM, INC. · Performance Stock UnitM Exercise/Conversion | — |
| 2026-06-30 | STEMSTEM, INC. · Performance Stock UnitM Exercise/Conversion | — |
| 2026-03-11 | STEMSTEM, INC.S Sale | −$4,353.66 |
| 2026-03-10 | STEMSTEM, INC.S Sale | −$7,283.6 |
| 2026-03-07 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2026-03-07 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2026-03-04 | STEMSTEM, INC.S Sale | −$1,850 |
| 2026-03-03 | STEMSTEM, INC.S Sale | −$2,901 |
| 2026-03-01 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2026-03-01 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2026-02-26 | STEMSTEM, INC. · Restricted Stock UnitA Award | — |
| 2026-02-26 | STEMSTEM, INC. · Performance Stock UnitA Award | — |
| 2026-02-20 | STEMSTEM, INC.S Sale | −$4,172.4 |
| 2026-02-19 | STEMSTEM, INC.F Tax Payment | −$5,898.6 |
| 2026-02-15 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2026-02-15 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2025-11-11 | STEMSTEM, INC.S Sale | −$170K |
| 2025-11-10 | STEMSTEM, INC.F Tax Payment | −$99K |
| 2025-11-07 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2025-11-07 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2025-07-28 | STEMSTEM, INC. · Restricted Stock UnitA Award | — |
| 2025-07-28 | STEMSTEM, INC. · Performance Stock UnitA Award | — |
| 2025-06-30 | STEMSTEM, INC. · Restricted Stock UnitA Award | — |
| 2025-06-30 | STEMSTEM, INC. · Performance Stock UnitA Award | — |
| 2025-06-30 | STEMSTEM, INC. · Stock OptionsA Award | — |
| 2025-06-16 | STEMSTEM, INC.S Sale | −$9,370.35 |
| 2025-05-30 | STEMSTEM, INC.S Sale | −$524.964 |
| 2025-05-29 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2025-05-29 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2025-03-12 | STEMSTEM, INC.S Sale | −$5,280.28 |
| 2025-03-11 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2025-03-11 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2025-03-07 | STEMSTEM, INC.S Sale | −$2,365.255 |
| 2025-03-06 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2025-03-06 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2025-02-20 | STEMSTEM, INC.S Sale | −$5,095.071 |
| 2025-02-19 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2025-02-19 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2024-11-01 | STEMSTEM, INC. · Restricted Stock UnitA Award | — |
| 2024-05-28 | STEMSTEM, INC. · Restricted Stock UnitA Award | — |
| 2024-05-28 | STEMSTEM, INC.S Sale | −$1,832.16 |
| 2024-05-24 | STEMSTEM, INC.M Exercise/Conversion | — |
| 2024-05-24 | STEMSTEM, INC. · Restricted Stock UnitM Exercise/Conversion | — |
| 2024-03-19 | STEMSTEM, INC.S Sale | −$48.5K |
| 2024-03-08 | STEMSTEM, INC.S Sale | −$54.5K |
| 2024-03-05 | STEMSTEM, INC.S Sale | −$9,247.17 |
| 2024-03-04 | STEMSTEM, INC.S Sale | −$14.2K |
Recent filings
- 4Tappin Matthew0001986259-26-000014SEC(opens sec.gov)
- 4Tappin Matthew0001758766-26-000027SEC(opens sec.gov)
- 4Tappin Matthew0001986259-26-000012SEC(opens sec.gov)
- 4Tappin Matthew0001986259-26-000010SEC(opens sec.gov)
- 4Tappin Matthew0001986259-26-000008SEC(opens sec.gov)
- 4Tappin Matthew0001986259-26-000006SEC(opens sec.gov)
- 4Tappin Matthew0001986259-26-000004SEC(opens sec.gov)
- 4Tappin Matthew0001986259-26-000002SEC(opens sec.gov)
- 4Tappin Matthew0001986259-25-000007SEC(opens sec.gov)
Companies
Address
1400 POST OAK BOULEVARD SUITE 560
HOUSTON, TX, 77056