William C Martin

Current Holdings

Chief Strategy Officer, Director
Security Holdings
Common Stock 1,353,135 shares
10% or greater ownership
Security Holdings
Common Stock 1,544,800 shares
Director, 10% or greater ownership
Security Holdings
Common Stock 11,164,573 shares

Cumulative Trading

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This page tracks insider trading for William C Martin, 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 William C Martin has engaged in since 2021. As shown above, William C Martin has completed -$12,927,007 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 40 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
IMMR 2024-10-31 $0 6,672 $0 6,672 $0 0 SEC Filing
IMMR 2024-10-1 -$198,149 -22,802 $0 0 -$198,149 -22,802 SEC Filing
BNED 2024-9-20 $0 20,430 $0 20,430 $0 0 SEC Filing
IMMR 2024-8-27 $175,166 20,000 $175,166 20,000 $0 0 SEC Filing
IMMR 2024-8-6 -$233,264 77,198 $0 100,000 -$233,264 -22,802 SEC Filing
BNED 2024-7-8 $921,834 130,000 $921,834 130,000 $0 0 SEC Filing
IMMR 2024-6-28 -$539,220 246,678 $0 303,678 -$539,220 -57,000 SEC Filing
BNED 2024-6-19 $0 7,441 $0 7,441 $0 0 SEC Filing
IMMR 2024-5-3 $0 35,565 $0 35,565 $0 0 SEC Filing
IMMR 2024-4-29 $0 17,242 $0 17,242 $0 0 SEC Filing
IMMR 2024-3-29 -$80,443 95,834 $0 106,517 -$80,443 -10,683 SEC Filing
IMMR 2024-1-12 $0 74,160 $0 74,160 $0 0 SEC Filing
UEIC 2024-1-1 $0 153 $0 153 $0 0 SEC Filing
IMMR 2023-12-29 -$62,657 -743 $0 8,008 -$62,657 -8,751 SEC Filing
UEIC 2023-12-5 $200,774 26,161 $200,774 26,161 $0 0 SEC Filing
UEIC 2023-12-4 $270,254 35,240 $270,254 35,240 $0 0 SEC Filing
UEIC 2023-11-24 $720,664 96,198 $720,664 96,198 $0 0 SEC Filing
UEIC 2023-11-3 $599,770 73,962 $599,770 73,962 $0 0 SEC Filing
UEIC 2023-10-27 $168,518 22,985 $168,518 22,985 $0 0 SEC Filing
IMMR 2023-9-30 -$75,361 -4,075 $0 7,326 -$75,361 -11,401 SEC Filing
IMMR 2023-6-30 -$81,724 3,291 $0 14,834 -$81,724 -11,543 SEC Filing
IMMR 2023-4-1 -$101,916 -11,400 $0 0 -$101,916 -11,400 SEC Filing
IMMR 2023-3-30 $0 15,043 $0 15,043 $0 0 SEC Filing
IMMR 2023-3-19 -$336,080 57,296 $0 100,000 -$336,080 -42,704 SEC Filing
IMMR 2022-10-14 $0 14,346 $0 14,346 $0 0 SEC Filing
IMMR 2022-10-1 -$42,163 -7,680 $0 0 -$42,163 -7,680 SEC Filing
IMMR 2022-9-13 $172,813 29,846 $172,813 29,846 $0 0 SEC Filing
IMMR 2022-9-1 $335,980 59,105 $335,980 59,105 $0 0 SEC Filing
IMMR 2022-8-30 $8,962 1,573 $8,962 1,573 $0 0 SEC Filing
IMMR 2022-8-25 $256,576 45,141 $256,576 45,141 $0 0 SEC Filing
IMMR 2022-8-18 $623,877 117,285 $623,877 117,285 $0 0 SEC Filing
IMMR 2022-7-1 -$41,165 -7,680 $0 0 -$41,165 -7,680 SEC Filing
IMMR 2022-6-7 $0 16,517 $0 16,517 $0 0 SEC Filing
IMMR 2022-5-27 $341,955 60,000 $341,955 60,000 $0 0 SEC Filing
IMMR 2022-5-23 $0 22,851 $0 22,851 $0 0 SEC Filing
IMMR 2022-4-1 -$45,106 -8,201 $0 0 -$45,106 -8,201 SEC Filing
IMMR 2022-1-28 $0 326,151 $0 326,151 $0 0 SEC Filing
IMMR 2021-12-29 -$5,750 -1,000 $0 0 -$5,750 -1,000 SEC Filing
IMMR 2021-11-11 -$2,429,729 -353,374 $0 0 -$2,429,729 -353,374 SEC Filing
IMMR 2021-11-8 -$13,451,423 -1,867,715 $0 0 -$13,451,423 -1,867,715 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 William C Martin before the earliest date displayed on this page may exist, but is not shown here.