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 Polypore International, 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.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
56 buys120 sellsbar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Sauer Josef | OtherD (derivative) | $3.2M | Unusual size |
| COWGER CHRISTOPHER | OtherD (derivative) | $778.2K | SEC |
| Flynn Frederick C JR | Other | $1.1M | SEC |
| Amos Lynn | OtherD (derivative) | $5.1M | Unusual size | SEC |
| Amos Lynn | Other | $2.2M | Unusual size | SEC |
| O'Malley John | OtherD (derivative) | $489.7K | Unusual size | SEC |
| Toth Robert B | OtherD (derivative) | $21.1M | Unusual size | SEC |
| KEARNEY CHRISTOPHER Jtrack record | Other | $345.1K | SEC |
| Bryson Phillip | Other | $1.5M | Unusual size | SEC |
| Graff Michaeltrack record | Other | $1.1M | SEC |
| SMITH PETE Atrack record | OtherD (derivative) | $778.2K | SEC |
| O'Malley John | OtherD (derivative) | $352K | Unusual size | SEC |
| Bryson Phillip | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Bryson Phillip | OtherD (derivative) | $778.2K | Unusual size | SEC |
| DRIES WILLIAMtrack record | Other | $1.2M | Unusual size | SEC |
| ROBERTS DAVID A | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| COONEY CHARLES L | Other | $448.5K | SEC |
| Sauer Josef | OtherD (derivative) | $778.2K | Unusual size | SEC |
| Amos Lynn | OtherD (derivative) | $783.6K | Unusual size | SEC |
| Bryson Phillip | OtherD (derivative) | $783.6K | Unusual size | SEC |
| SMITH PETE Atrack record | Other | $1.3M | SEC |
| McKee Christopher J. | Other | $1.1M | Unusual size | SEC |
| SMITH PETE Atrack record | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| McKee Christopher J. | OtherD (derivative) | $61.3K | Unusual size | SEC |
| Toth Robert B | OtherD (derivative) | $2.4M | Unusual size | SEC |