Thomas Sinnickson Gayner

Current Holdings

Chief Executive Officer, Director
Security Holdings
Common Stock 54,129 shares
Director
Security Holdings
Class B Common Stock 5,900 shares
Director
Security Holdings
Deferred Stock Unit, par value $0.01 2,421 shares
Director
Security Holdings
Common stock, par value $.001 65,060 shares

Cumulative Trading

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This page tracks insider trading for Thomas Sinnickson Gayner, which means you can track and be informed when insider trading (i.e., insider trades) occurs. Trading stock is common amongst insiders, and the SEC requires stock trades (such as when individuals buy stock, sell stock, receive stock compensation, etc.) from insiders to be made publicly available. Some people follow the insider market to help them when investing in the stock market (e.g., when deciding whether to buy stocks). On this page, you will see stock trading that Thomas Sinnickson Gayner has engaged in since 2021. As shown above, Thomas Sinnickson Gayner has completed $19,255,890 in total transactions, which were made available through the SEC Form 4, a regulatory filing that makes stock exchange data like this public knowledge.

Found 34 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
MKL 2024-11-1 $154,972 100 $154,972 100 $0 0 SEC Filing
GHC 2024-9-12 $74,330 100 $74,330 100 $0 0 SEC Filing
MKL 2024-2-20 $0 1,041 $0 1,041 $0 0 SEC Filing
MKL 2024-2-20 $0 2,710 $0 2,710 $0 0 SEC Filing
MKL 2024-2-2 $141,474 100 $141,474 100 $0 0 SEC Filing
MKL 2023-12-5 -$64,459 -46 $0 0 -$64,459 -46 SEC Filing
MKL 2023-11-3 $131,192 100 $131,192 100 $0 0 SEC Filing
MKL 2023-5-16 $0 1,068 $0 1,068 $0 0 SEC Filing
GHC 2023-5-9 $58,163 100 $58,163 100 $0 0 SEC Filing
MKL 2023-5-2 $67,996 50 $67,996 50 $0 0 SEC Filing
CABO 2023-3-10 $0 1 $0 1 $0 0 SEC Filing
CABO 2023-3-6 $70,930 100 $70,930 100 $0 0 SEC Filing
MKL 2023-2-14 $0 1,558 $0 1,558 $0 0 SEC Filing
MKL 2023-2-3 $32,930 25 $32,930 25 $0 0 SEC Filing
MKL 2022-12-6 -$56,560 -43 $0 0 -$56,560 -43 SEC Filing
CABO 2022-11-14 $3,573,598 5,000 $3,573,598 5,000 $0 0 SEC Filing
CABO 2022-11-8 $6,568,601 10,000 $6,568,601 10,000 $0 0 SEC Filing
MKL 2022-11-8 $61,530 50 $61,530 50 $0 0 SEC Filing
GHC 2022-9-16 $55,615 100 $55,615 100 $0 0 SEC Filing
CABO 2022-9-12 $547,370 500 $547,370 500 $0 0 SEC Filing
CABO 2022-9-6 $553,220 500 $553,220 500 $0 0 SEC Filing
CABO 2022-8-29 $588,875 500 $588,875 500 $0 0 SEC Filing
CABO 2022-8-24 $61,250 50 $61,250 50 $0 0 SEC Filing
CABO 2022-6-1 $6,455,850 5,000 $6,455,850 5,000 $0 0 SEC Filing
CABO 2022-5-25 $62,898 50 $62,898 50 $0 0 SEC Filing
CABO 2022-5-20 $0 230 $0 230 $0 0 SEC Filing
MKL 2022-5-9 $65,300 50 $65,300 50 $0 0 SEC Filing
MKL 2022-2-15 $0 1,874 $0 1,874 $0 0 SEC Filing
CFX 2021-12-31 $0 490 $0 490 $0 0 SEC Filing
MKL 2021-12-7 -$39,984 -32 $0 0 -$39,984 -32 SEC Filing
MKL 2021-11-22 $31,282 25 $31,282 25 $0 0 SEC Filing
GHC 2021-11-11 $59,517 100 $59,517 100 $0 0 SEC Filing
CFX 2021-9-30 $0 491 $0 491 $0 0 SEC Filing
CFX 2021-6-30 $0 492 $0 492 $0 0 SEC Filing

The data shown here is based on historical filings with the SEC, and may contain slight inaccuracies.

This data excludes derivative holdings and transactions.

Additional data regarding trading activity for Thomas Sinnickson Gayner before the earliest date displayed on this page may exist, but is not shown here.