Figures computed from official regulatory filings — .
Ask the machine
Search and compare insider transactions, companies and their statistics in plain language. Your question becomes a query over available data, not a conversation or investment advice.
Data for PURE WORLD INC only. No web search. Global per-insider statistics are excluded.
An executed search uses one credit, even with no results. Errors and unsupported questions use no credits.
Business description unavailable in our sources.
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| MERRILL SUE ANN | OtherD (derivative) | $12.4K | SEC | ||
| ZHENG QUN YI |
| OtherD (derivative) |
| $127.4K |
| SEC |
| ZHENG QUN YI | OtherD (derivative) | $117.5K | SEC |
| ZHENG QUN YI | OtherD (derivative) | $247.5K | SEC |
| MERRILL SUE ANN | OtherD (derivative) | $69.6K | SEC |
| MADIS VOLDEMAR | OtherD (derivative) | $141K | SEC |
| MERRILL SUE ANN | OtherD (derivative) | $53.9K | SEC |
| ZHENG QUN YI | OtherD (derivative) | $62K | SEC |
| ZHENG QUN YI | OtherD (derivative) | $718K | SEC |
| Mena Alfredo | Other | $80.4K | SEC |
| MADIS VOLDEMAR | Other | $17.5K | SEC |
| MAHOMES WILLIAM JR | Other | $47.3K | SEC |
| KOETHER PAUL O | Other | $2.4M | SEC |
| KOETHER PAUL O | Other | $473K | SEC |
| KOETHER PAUL O | Other | $2.2M | SEC |
| KOETHER PAUL O | Other | $1.4M | SEC |
| KOETHER PAUL O | Other | $7M | Unusual size | SEC |
| MERRILL SUE ANN | Other | $13K | SEC |
| KOETHER PAUL O | Other | $1.2M | SEC |
| Estate of Natalie I Koether | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ZHENG QUN YI | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ZHENG QUN YI | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ZHENG QUN YI | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mena Alfredo | Exercise | $25.7K | SEC |
| Mena Alfredo | ExerciseD (derivative) | $25.7K | SEC |