Lindenbaum Matthew A insider trades
Lindenbaum Matthew A has filed 25 Form 4s with the SEC that we hold, for Dime Commercial Bancshares, Inc. /NY/ (DCOM) (Director) and Regional Management Corp. (RM) (Director, 10% owner). Across all of them we count 17 purchases worth $8.7M and 71 sales worth $22.2M reported on Form 4. In the last 12 months: 0 purchases ($0) and 25 sales ($3.9M). The largest single trade was a sale of 231,286 shares of Dime Commercial Bancshares, Inc. /NY/ worth $5.0M, dated 2023-08-30. The first filing on our record is dated 2021-08-13 and the latest 2026-05-26.
Dime Commercial Bancshares, Inc. /NY/ (DCOM)
Director · 14 filings · 41 purchases and sales
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-08-11 | P, purchase reported on Form 4 | 18,547 | $625.2K | 2021-08-13 |
| 2021-08-12 | P, purchase reported on Form 4 | 2,043 | $68.5K | 2021-08-13 |
| 2022-02-28 | S, sale reported on Form 4 | 11,270 | $382.2K | 2022-03-02 |
| 2022-08-04 | S, sale reported on Form 4 | 7,666 | $255.3K | 2022-08-08 |
| 2022-08-04 | S, sale reported on Form 4 | 465 | $15.5K | 2022-08-08 |
| 2022-08-04 | S, sale reported on Form 4 | 83 | $2.8K | 2022-08-08 |
| 2022-08-04 | S, sale reported on Form 4 | 183 | $6.1K | 2022-08-08 |
| 2022-10-31 | S, sale reported on Form 4 | 24,464 | $849.1K | 2022-11-02 |
| 2022-10-31 | S, sale reported on Form 4 | 26 | $902 | 2022-11-02 |
| 2022-10-31 | S, sale reported on Form 4 | 507 | $17.6K | 2022-11-02 |
| 2022-10-31 | S, sale reported on Form 4 | 226 | $7.8K | 2022-11-02 |
| 2022-10-31 | S, sale reported on Form 4 | 1,278 | $44.4K | 2022-11-02 |
| 2022-11-01 | S, sale reported on Form 4 | 53 | $1.8K | 2022-11-02 |
| 2022-11-01 | S, sale reported on Form 4 | 2,552 | $86.5K | 2022-11-02 |
| 2022-11-01 | S, sale reported on Form 4 | 452 | $15.3K | 2022-11-02 |
| 2022-11-01 | S, sale reported on Form 4 | 1,012 | $34.3K | 2022-11-02 |
| 2022-11-01 | S, sale reported on Form 4 | 48,878 | $1.7M | 2022-11-02 |
| 2022-11-02 | S, sale reported on Form 4 | 24 | $803 | 2022-11-02 |
| 2022-11-02 | S, sale reported on Form 4 | 1,137 | $38.1K | 2022-11-02 |
| 2022-11-02 | S, sale reported on Form 4 | 202 | $6.8K | 2022-11-02 |
| 2022-11-02 | S, sale reported on Form 4 | 451 | $15.1K | 2022-11-02 |
| 2022-11-02 | S, sale reported on Form 4 | 21,782 | $729.0K | 2022-11-02 |
| 2022-12-06 | S, sale reported on Form 4 | 11,969 | $399.3K | 2022-12-08 |
| 2022-12-07 | S, sale reported on Form 4 | 16,986 | $558.5K | 2022-12-08 |
| 2022-12-08 | S, sale reported on Form 4 | 2,177 | $71.3K | 2022-12-08 |
| 2023-08-30 | S, sale reported on Form 4 | 231,286 | $5.0M | 2023-08-31 |
| 2023-08-30 | P, purchase reported on Form 4 | 127,076 | $2.7M | 2023-08-31 |
| 2023-08-30 | P, purchase reported on Form 4 | 73,091 | $1.6M | 2023-08-31 |
| 2023-08-30 | P, purchase reported on Form 4 | 467 | $10.1K | 2023-08-31 |
| 2023-08-30 | P, purchase reported on Form 4 | 1,600 | $34.6K | 2023-08-31 |
| 2023-08-30 | P, purchase reported on Form 4 | 29,052 | $628.4K | 2023-08-31 |
| 2023-09-08 | S, sale reported on Form 4 | 10,786 | $222.5K | 2023-09-13 |
| 2023-09-08 | P, purchase reported on Form 4 | 284 | $5.9K | 2023-09-13 |
| 2023-09-08 | P, purchase reported on Form 4 | 23,015 | $475.0K | 2023-09-13 |
| 2023-09-08 | P, purchase reported on Form 4 | 7,651 | $157.9K | 2023-09-13 |
| 2023-09-08 | P, purchase reported on Form 4 | 391 | $8.1K | 2023-09-13 |
| 2023-09-08 | P, purchase reported on Form 4 | 19,297 | $398.3K | 2023-09-13 |
| 2023-09-08 | S, sale reported on Form 4 | 39,853 | $822.2K | 2023-09-13 |
| 2024-11-12 | P, purchase reported on Form 4 | 29,000 | $928.0K | 2024-11-14 |
| 2025-01-31 | P, purchase reported on Form 4 | 1,043 | $32.6K | 2025-02-19 |
| 2025-09-09 | S, sale reported on Form 4 | 9,000 | $273.0K | 2025-09-11 |
Regional Management Corp. (RM)
Director, 10% owner · 11 filings · 47 purchases and sales
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-08-17 | S, sale reported on Form 4 | 1,795 | $101.7K | 2021-08-19 |
| 2021-08-17 | S, sale reported on Form 4 | 1,219 | $69.1K | 2021-08-19 |
| 2021-08-17 | S, sale reported on Form 4 | 56 | $3.2K | 2021-08-19 |
| 2021-08-17 | S, sale reported on Form 4 | 492 | $27.9K | 2021-08-19 |
| 2021-08-17 | S, sale reported on Form 4 | 222 | $12.6K | 2021-08-19 |
| 2021-08-18 | S, sale reported on Form 4 | 168 | $9.5K | 2021-08-19 |
| 2021-08-18 | S, sale reported on Form 4 | 372 | $21.0K | 2021-08-19 |
| 2021-08-18 | S, sale reported on Form 4 | 43 | $2.4K | 2021-08-19 |
| 2021-08-18 | S, sale reported on Form 4 | 921 | $52.1K | 2021-08-19 |
| 2021-08-18 | S, sale reported on Form 4 | 1,357 | $76.7K | 2021-08-19 |
| 2021-09-01 | P, purchase reported on Form 4 | 5,519 | $324.1K | 2021-09-03 |
| 2021-09-01 | P, purchase reported on Form 4 | 10,034 | $589.0K | 2021-09-03 |
| 2021-09-01 | S, sale reported on Form 4 | 5,519 | $323.7K | 2021-09-03 |
| 2022-08-09 | S, sale reported on Form 4 | 6,000 | $227.5K | 2022-08-11 |
| 2022-08-10 | S, sale reported on Form 4 | 31,500 | $1.2M | 2022-08-11 |
| 2022-08-11 | S, sale reported on Form 4 | 12,652 | $488.5K | 2022-08-11 |
| 2022-08-16 | S, sale reported on Form 4 | 29,980 | $1.2M | 2022-08-18 |
| 2022-11-08 | S, sale reported on Form 4 | 29,135 | $837.6K | 2022-11-10 |
| 2022-11-10 | S, sale reported on Form 4 | 6,000 | $192.1K | 2022-11-10 |
| 2022-11-17 | S, sale reported on Form 4 | 63,093 | $1.8M | 2022-11-21 |
| 2023-08-30 | P, purchase reported on Form 4 | 2,694 | $77.6K | 2023-08-30 |
| 2023-08-30 | S, sale reported on Form 4 | 2,694 | $77.5K | 2023-08-30 |
| 2025-11-21 | S, sale reported on Form 4 | 252 | $9.3K | 2025-11-26 |
| 2025-11-21 | S, sale reported on Form 4 | 34,810 | $1.3M | 2025-11-26 |
| 2025-11-21 | S, sale reported on Form 4 | 5,047 | $187.0K | 2025-11-26 |
| 2025-11-21 | S, sale reported on Form 4 | 5,232 | $193.8K | 2025-11-26 |
| 2025-11-21 | S, sale reported on Form 4 | 374 | $13.9K | 2025-11-26 |
| 2025-11-24 | S, sale reported on Form 4 | 5,163 | $190.5K | 2025-11-26 |
| 2025-11-24 | S, sale reported on Form 4 | 823 | $30.4K | 2025-11-26 |
| 2025-11-24 | S, sale reported on Form 4 | 10,840 | $399.9K | 2025-11-26 |
| 2025-11-24 | S, sale reported on Form 4 | 203 | $7.5K | 2025-11-26 |
| 2025-11-24 | S, sale reported on Form 4 | 4,279 | $157.9K | 2025-11-26 |
| 2025-11-25 | S, sale reported on Form 4 | 1,009 | $37.8K | 2025-11-26 |
| 2025-11-25 | S, sale reported on Form 4 | 234 | $8.8K | 2025-11-26 |
| 2025-11-25 | S, sale reported on Form 4 | 4,926 | $184.6K | 2025-11-26 |
| 2025-11-25 | S, sale reported on Form 4 | 12,477 | $467.6K | 2025-11-26 |
| 2025-11-25 | S, sale reported on Form 4 | 11,870 | $444.9K | 2025-11-26 |
| 2026-02-20 | S, sale reported on Form 4 | 632 | $21.8K | 2026-02-24 |
| 2026-02-20 | S, sale reported on Form 4 | 2,391 | $82.5K | 2026-02-24 |
| 2026-02-20 | S, sale reported on Form 4 | 138 | $4.8K | 2026-02-24 |
| 2026-02-20 | S, sale reported on Form 4 | 3,201 | $110.5K | 2026-02-24 |
| 2026-02-20 | S, sale reported on Form 4 | 54 | $1.9K | 2026-02-24 |
| 2026-02-23 | S, sale reported on Form 4 | 57 | $1.9K | 2026-02-24 |
| 2026-02-23 | S, sale reported on Form 4 | 980 | $33.4K | 2026-02-24 |
| 2026-02-23 | S, sale reported on Form 4 | 22 | $749 | 2026-02-24 |
| 2026-02-23 | S, sale reported on Form 4 | 259 | $8.8K | 2026-02-24 |
| 2026-02-23 | S, sale reported on Form 4 | 1,310 | $44.6K | 2026-02-24 |
Source
Counted from the Form 4 filings this reporting owner (SEC CIK 927943) 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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