Corporate insider · disclosed-activity record
Posner Brian S
Director
Every row below is a public disclosure this person or firm filed, dated and linked to its source. This is a factual record of what was disclosed and when — what it means, and whether any timing is coincidence or signal, is a judgment this page deliberately does not make.
Bullish filings
7
Bearish filings
3
Names touched
2
Disclosed $ (bull / bear)
$258K / $145K
Most active in: DYN (6) · ACGL (4)
Disclosures, last 12 months
10 of 10 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-06-08 | DYN | bought | $34K | SEC ↗ |
| 2026-06-03 | DYN | bought | $44K | SEC ↗ |
| 2026-06-03 | ACGL | sold | $59K | SEC ↗ |
| 2026-05-26 | DYN | bought | $36K | SEC ↗ |
| 2026-05-20 | DYN | bought | $43K | SEC ↗ |
| 2026-05-11 | ACGL | sold | $34K | SEC ↗ |
| 2026-03-11 | DYN | bought | $39K | SEC ↗ |
| 2026-03-11 | ACGL | sold | $51K | SEC ↗ |
| 2026-03-06 | DYN | bought | $45K | SEC ↗ |
| 2025-08-01 | ACGL | bought | $17K | SEC ↗ |
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Public filings only, shown as filed; the linked filing is the authoritative record. Descriptive, not investment advice — and never an allegation: proximity of a disclosure to any event is a fact of dates, not a conclusion about intent. Methodology · Today's notable signals