Company filings profile · CIK 0001087426
SHATTUCK MAYO A III — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for SHATTUCK MAYO A III: 3 filings in the last 90 days vs 2 in the prior 90 (filing-velocity rising ↑ · 1.5×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 29, 2026. Source-linked, daily-refreshed.
Material 8-K events — SHATTUCK MAYO A III
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| No itemized 8-K in the current window. | ||
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Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 28, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Sep 24, 2026 | 144 | ↗ | |
| Jul 1, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Jun 15, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 12, 2026 | 4 | FORM 4 | ↗ |
| Aug 8, 2025 | 4 | PRIMARY DOCUMENT | ↗ |
| Jul 2, 2025 | 4 | PRIMARY DOCUMENT | ↗ |
| Jun 23, 2025 | 4 | PRIMARY DOCUMENT | ↗ |
| May 20, 2025 | 4 | FORM 4 | ↗ |
| May 12, 2025 | 4 | FORM 4 | ↗ |
| Aug 14, 2024 | 4 | PRIMARY DOCUMENT | ↗ |
| Jul 1, 2024 | 4 | PRIMARY DOCUMENT | ↗ |
| Jun 25, 2024 | 4 | PRIMARY DOCUMENT | ↗ |
| May 6, 2024 | 4 | FORM 4 | ↗ |
| Mar 28, 2024 | 4 | ↗ | |
| Dec 5, 2023 | 3 | OWNERSHIP DOCUMENT | ↗ |
| Jul 5, 2023 | 4 | PRIMARY DOCUMENT | ↗ |
| May 8, 2023 | 4 | FORM 4 | ↗ |
| Jul 5, 2022 | 4 | PRIMARY DOCUMENT | ↗ |
| May 9, 2022 | 4 | FORM 4 | ↗ |
| Apr 4, 2022 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | ↗ |
| Jan 3, 2022 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | ↗ |
| Oct 1, 2021 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | ↗ |
| Jul 2, 2021 | 4 | PRIMARY DOCUMENT | ↗ |
| Jul 1, 2021 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | ↗ |
| Jun 3, 2021 | 4 | FORM 4 | ↗ |
| May 10, 2021 | 4 | FORM 4 | ↗ |
| Apr 2, 2021 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | ↗ |
| Feb 22, 2021 | 4 | FORM 4 | ↗ |
| Jan 4, 2021 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | ↗ |
| Oct 1, 2020 | 4 | PRIMARY DOCUMENT | ↗ |
| Sep 30, 2020 | 4 | FORM 4 SUBMISSION | ↗ |
| Jul 2, 2020 | 4 | PRIMARY DOCUMENT | ↗ |
| Jul 1, 2020 | 4 | PRIMARY DOCUMENT | ↗ |
| Jun 8, 2020 | 4 | FORM 4 SUBMISSION | ↗ |
| May 4, 2020 | 4 | FORM 4 | ↗ |
| Apr 1, 2020 | 4 | PRIMARY DOCUMENT | ↗ |
| Jan 2, 2020 | 4 | PRIMARY DOCUMENT | ↗ |
| Nov 13, 2019 | 4 | FORM 4 | ↗ |
| Oct 1, 2019 | 4 | PRIMARY DOCUMENT | ↗ |