Investor Avenir Corp
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Avenir Corp . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2025-02-14 13G/A CTSO / Cytosorbents Corporation 3,051,402 3,093,946
2024-02-14 13G CTSO / Cytosorbents Corporation 2,447,089 3,051,402
2023-02-14 13G/A CTSO / Cytosorbents Corporation 2,187,782 2,447,089
2022-08-11 13G CTSO / Cytosorbents Corporation 2,156,833 2,187,782
2022-06-28 13G/A CTSO / Cytosorbents Corporation 2,177,146 2,156,833
2022-04-25 13G CTSO / Cytosorbents Corporation 2,088,071 2,177,146
2022-01-07 13G/A CTSO / Cytosorbents Corporation 2,244,335 2,088,071
2021-12-13 13G CTSO / Cytosorbents Corporation 2,244,335
2021-02-05 13G/A OPRX / OptimizeRx Corporation 717,474 704,756
2020-05-05 13G/A DENN / Denny's Corporation 2,987,872 2,726,560
2020-02-27 13G OPRX / OptimizeRx Corporation 717,474
2020-02-27 13G/A DENN / Denny's Corporation 4,079,632 2,987,872
2019-05-10 13G/A INAP / Internap Corporation 1,305,017 1,249,186
2019-02-13 13G/A INAP / Internap Corporation 1,744,719 1,305,017
2019-02-13 13G/A DENN / Denny's Corporation 5,932,641 4,079,632
2018-02-14 13G/A INAP / Internap Corporation 7,966,877 1,744,719
2018-02-14 13G/A DENN / Denny's Corporation 7,579,442 5,932,641
2017-03-27 13G/A INAP / Internap Corporation 8,075,800 7,966,877
2017-02-23 13D/A INAP / Internap Corporation 8,075,800 8,075,800
2017-02-22 13D/A INAP / Internap Corporation 3,060,103 8,075,800
2017-02-14 13G/A DENN / Denny's Corporation 8,949,943 7,579,442
2017-02-10 13D INAP / Internap Corporation 2,856,619 3,060,103
2016-12-23 13D/A INAP / Internap Corporation 3,932,542 2,856,619
2016-10-07 13D/A INAP / Internap Corporation 4,648,990 3,932,542
2016-09-14 13D/A INAP / Internap Corporation 5,666,592 4,648,990
2016-03-25 13D/A INAP / Internap Corporation 5,672,890 5,666,592
2016-03-21 13D INAP / Internap Corporation 6,237,457 5,672,890
2016-02-12 13G/A DENN / Denny's Corporation 8,949,943
2016-02-12 13G/A INAP / Internap Corporation 6,237,457
2015-02-13 13G/A DENN / Denny's Corporation 9,713,115
2015-02-13 13G/A INAP / Internap Corporation 8,058,509
2014-05-23 13D/A IRDM / Iridium Communications Inc. 3,252,378
2014-05-19 13D/A IRDM / Iridium Communications Inc. 3,252,378
2014-04-01 13D/A IRDM / Iridium Communications Inc. 3,321,018
2014-02-13 13G/A INAP / Internap Corporation 8,071,758
2014-02-13 13G/A DENN / Denny's Corporation 9,502,979
2013-11-13 13D IRDM / Iridium Communications Inc. 4,031,645
2013-07-01 13G/A DENN / Denny's Corporation 9,176,326
2013-03-08 13G IRDM / Iridium Communications Inc. 3,850,326
2013-02-19 13G/A INAP / Internap Corporation 5,490,150
2013-02-19 13G/A DENN / Denny's Corporation 8,456,236
2013-01-07 13G/A INAP / Internap Corporation 5,388,290
2012-08-30 13G/A SRZ / Sunrise Senior Living Inc 2,627,387
2012-05-02 13G INAP / Internap Corporation 2,889,751
2012-02-14 13G/A SRZ / Sunrise Senior Living Inc 3,194,615
2012-02-14 13G/A DENN / Denny's Corporation 6,413,975