Weisenburger Randall J insider trades
Weisenburger Randall J has filed 40 Form 4s with the SEC that we hold, for MP Materials Corp. / DE (MP) (Director), Valero Energy Corp/Tx (VLO) (Director), CUK (Director) and Carnival Corp Ltd. (CCL) (Director), among 5 companies in all. Across all of them we count 10 purchases worth $19.4M and 0 sales worth $0 reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a purchase of 350,000 shares of Carnival Corp Ltd. worth $4.5M, dated 2023-10-10. The first filing on our record is dated 2021-12-17 and the latest 2026-06-24.
MP Materials Corp. / DE (MP)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-12-15 | P, purchase reported on Form 4 | 82,390 | $3.3M | 2021-12-17 |
| 2021-12-15 | P, purchase reported on Form 4 | 4,511 | $184.7K | 2021-12-17 |
| 2022-03-07 | P, purchase reported on Form 4 | 30,000 | $1.2M | 2022-03-07 |
| 2022-06-16 | P, purchase reported on Form 4 | 30,000 | $997.5K | 2022-06-17 |
Valero Energy Corp/Tx (VLO)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
CUK
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-05-25 | P, purchase reported on Form 4 | 100,000 | $1.2M | 2022-05-27 |
| 2023-10-10 | P, purchase reported on Form 4 | 350,000 | $4.5M | 2023-10-12 |
| 2023-10-19 | P, purchase reported on Form 4 | 100,000 | $1.1M | 2023-10-23 |
Carnival Corp Ltd. (CCL)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-05-25 | P, purchase reported on Form 4 | 100,000 | $1.2M | 2022-05-27 |
| 2023-10-10 | P, purchase reported on Form 4 | 350,000 | $4.5M | 2023-10-12 |
| 2023-10-19 | P, purchase reported on Form 4 | 100,000 | $1.1M | 2023-10-23 |
Corsair Gaming, Inc. (CRSR)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1031609) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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