CET
Central Securities Corp.$51.53-0.81 (-1.55%)Prev Close$52.34·MCap$1.51B·P/E—·Vol49.4K·Yield—
▲
Buys (12M)
2
$30.5K
▼
Sells (12M)
1
$9.1K
◆
Net Activity
Net Buyer
$21.5K
●
Active Insiders
2
last 12 mo
Over the past 12 months, insider activity at Central Securities Corp. (CET) has been dominated by buying, with 2 insider purchases totaling $30.5K and 1 insider sale totaling $9.1K. The most recent insider transaction was by Hill John C (CEO & President), who purchased $25.5K worth of shares on Dec 29, 2025. Central Securities Corp. operates in the Technology sector, within the General industry, with a market cap of $1.51B.
CET Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 29, 2025 | Hill John C | CEO & President | Buy | 500 | $50.91 | $25.5K | 0 |
| Jun 27, 2025 | Hill John C | CEO & President | Buy | 100 | $50.70 | $5.1K | 0 |
| Jun 27, 2025 | Hill John C | CEO & President | Sell | 189 | $47.94 | $9.1K | 0 |
| Jan 6, 2025 | Hill John C | CEO & President | Buy | 700 | $45.87 | $32.1K | 0 |
| Jan 6, 2025 | O'Neill Andrew J | Vice President | Buy | 1,309 | $45.65 | $59.8K | 0 |
| Jun 26, 2024 | Hill John C | CEO & President | Buy | 800 | $46.82 | $37.5K | 0 |
| Jun 26, 2024 | Hill John C | CEO & President | Sell | 152 | $43.87 | $6.7K | 0 |
| Jun 26, 2024 | O'Neill Andrew J | Vice President | Buy | 1,354 | $46.09 | $62.4K | 0 |
| Jun 26, 2024 | O'Neill Andrew J | Vice President | Sell | 203 | $43.87 | $8.9K | 0 |
| May 2, 2024 | Hill John C | CEO & President | Buy | 500 | $40.79 | $20.4K | 0 |
| Apr 19, 2024 | O'Neill Andrew J | Vice President | Buy | 800 | $40.13 | $32.1K | 0 |
| Apr 18, 2024 | Hill John C | CEO and President | Buy | 400 | $40.41 | $16.2K | 0 |
| Mar 14, 2024 | Hill John C | CEO and President | Buy | 300 | $39.94 | $12.0K | 0 |
| Oct 25, 2023 | Hill John C | CEO & President | Buy | 300 | $35.15 | $10.5K | 0 |
| Oct 19, 2023 | O'Neill Andrew J | Vice President | Buy | 1,954 | $35.80 | $69.9K | 0 |
| Jun 28, 2023 | Hill John C | CEO & President | Buy | 200 | $35.51 | $7.1K | 0 |
| Jun 28, 2023 | Hill John C | CEO & President | Sell | 151 | $35.79 | $5.4K | 0 |
| May 9, 2023 | O'Neill Andrew J | Vice President | Buy | 222 | $35.79 | $7.9K | 0 |
| May 9, 2023 | O'Neill Andrew J | Vice President | Sell | 222 | $34.23 | $7.6K | 0 |
| Mar 27, 2023 | Poppe David Martin | Director | Buy | 5,000 | $34.19 | $170.9K | 0 |
| Jan 5, 2023 | Blackford Leo Price | Director | Buy | 1,000 | $34.12 | $34.1K | 0 |
| Dec 28, 2022 | O'Neill Andrew J | Vice President | Buy | 2,396 | $33.21 | $79.6K | 0 |
| Jun 27, 2022 | Colander David Charles | Director | Sell | 193 | $35.03 | $6.8K | 0 |
| Jun 24, 2022 | Blackford Leo Price | Director | Buy | 2,000 | $34.85 | $69.7K | 0 |
| Jun 24, 2022 | Blackford Leo Price | Director | Sell | 142 | $34.85 | $4.9K | 0 |
| Jun 24, 2022 | KRUMHOLZ MARLENE A | Vice President & Secretary | Buy | 400 | $34.84 | $13.9K | 0 |
| Jun 24, 2022 | KRUMHOLZ MARLENE A | Vice President & Secretary | Sell | 28 | $34.85 | $975.80 | 0 |
| Dec 14, 2021 | Hill John C | President | Sell | 4,527 | $41.31 | $187.0K | 0 |
| Dec 14, 2021 | KRUMHOLZ MARLENE A | Vice President & Secretary | Sell | 333 | $41.31 | $13.8K | 0 |
| Jun 28, 2021 | Hill John C | President | Buy | 100 | $42.30 | $4.2K | 0 |
| Jun 28, 2021 | Hill John C | President | Sell | 123 | $42.18 | $5.2K | 0 |
| Jun 28, 2021 | O'Neill Andrew J | Vice President | Sell | 573 | $41.54 | $23.8K | 0 |
| Jun 25, 2021 | VOGEL LAWRENCE P | Vice President & Treasurer | Sell | 8 | $42.54 | $340.32 | 0 |
| Mar 24, 2021 | Browning Simms C | Director | Buy | 417 | $37.25 | $15.5K | 0 |
| Mar 15, 2021 | Browning Simms C | Director | Buy | 2,811 | $37.21 | $104.6K | 0 |
CET Insider Buying Activity
The following table shows recent insider purchases of Central Securities Corp. (CET) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 29, 2025 | Hill John C | CEO & President | Buy | 500 | $50.91 | $25.5K | 0 |
| Jun 27, 2025 | Hill John C | CEO & President | Buy | 100 | $50.70 | $5.1K | 0 |
| Jan 6, 2025 | Hill John C | CEO & President | Buy | 700 | $45.87 | $32.1K | 0 |
| Jan 6, 2025 | O'Neill Andrew J | Vice President | Buy | 1,309 | $45.65 | $59.8K | 0 |
| Jun 26, 2024 | Hill John C | CEO & President | Buy | 800 | $46.82 | $37.5K | 0 |
| Jun 26, 2024 | O'Neill Andrew J | Vice President | Buy | 1,354 | $46.09 | $62.4K | 0 |
| May 2, 2024 | Hill John C | CEO & President | Buy | 500 | $40.79 | $20.4K | 0 |
| Apr 19, 2024 | O'Neill Andrew J | Vice President | Buy | 800 | $40.13 | $32.1K | 0 |
| Apr 18, 2024 | Hill John C | CEO and President | Buy | 400 | $40.41 | $16.2K | 0 |
| Mar 14, 2024 | Hill John C | CEO and President | Buy | 300 | $39.94 | $12.0K | 0 |
| Oct 25, 2023 | Hill John C | CEO & President | Buy | 300 | $35.15 | $10.5K | 0 |
| Oct 19, 2023 | O'Neill Andrew J | Vice President | Buy | 1,954 | $35.80 | $69.9K | 0 |
| Jun 28, 2023 | Hill John C | CEO & President | Buy | 200 | $35.51 | $7.1K | 0 |
| May 9, 2023 | O'Neill Andrew J | Vice President | Buy | 222 | $35.79 | $7.9K | 0 |
| Mar 27, 2023 | Poppe David Martin | Director | Buy | 5,000 | $34.19 | $170.9K | 0 |
| Jan 5, 2023 | Blackford Leo Price | Director | Buy | 1,000 | $34.12 | $34.1K | 0 |
| Dec 28, 2022 | O'Neill Andrew J | Vice President | Buy | 2,396 | $33.21 | $79.6K | 0 |
| Jun 24, 2022 | Blackford Leo Price | Director | Buy | 2,000 | $34.85 | $69.7K | 0 |
| Jun 24, 2022 | KRUMHOLZ MARLENE A | Vice President & Secretary | Buy | 400 | $34.84 | $13.9K | 0 |
| Jun 28, 2021 | Hill John C | President | Buy | 100 | $42.30 | $4.2K | 0 |
| Mar 24, 2021 | Browning Simms C | Director | Buy | 417 | $37.25 | $15.5K | 0 |
| Mar 15, 2021 | Browning Simms C | Director | Buy | 2,811 | $37.21 | $104.6K | 0 |
CET Insider Selling Activity
The following table shows recent insider sales of Central Securities Corp. (CET) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 27, 2025 | Hill John C | CEO & President | Sell | 189 | $47.94 | $9.1K | 0 |
| Jun 26, 2024 | Hill John C | CEO & President | Sell | 152 | $43.87 | $6.7K | 0 |
| Jun 26, 2024 | O'Neill Andrew J | Vice President | Sell | 203 | $43.87 | $8.9K | 0 |
| Jun 28, 2023 | Hill John C | CEO & President | Sell | 151 | $35.79 | $5.4K | 0 |
| May 9, 2023 | O'Neill Andrew J | Vice President | Sell | 222 | $34.23 | $7.6K | 0 |
| Jun 27, 2022 | Colander David Charles | Director | Sell | 193 | $35.03 | $6.8K | 0 |
| Jun 24, 2022 | Blackford Leo Price | Director | Sell | 142 | $34.85 | $4.9K | 0 |
| Jun 24, 2022 | KRUMHOLZ MARLENE A | Vice President & Secretary | Sell | 28 | $34.85 | $975.80 | 0 |
| Dec 14, 2021 | Hill John C | President | Sell | 4,527 | $41.31 | $187.0K | 0 |
| Dec 14, 2021 | KRUMHOLZ MARLENE A | Vice President & Secretary | Sell | 333 | $41.31 | $13.8K | 0 |
| Jun 28, 2021 | Hill John C | President | Sell | 123 | $42.18 | $5.2K | 0 |
| Jun 28, 2021 | O'Neill Andrew J | Vice President | Sell | 573 | $41.54 | $23.8K | 0 |
| Jun 25, 2021 | VOGEL LAWRENCE P | Vice President & Treasurer | Sell | 8 | $42.54 | $340.32 | 0 |
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