Welcome to our dedicated page for Tower Semiconductor SEC filings (Ticker: TSEM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tower Semiconductor Ltd. filings document a foreign private issuer operating as a specialty semiconductor foundry. Its Form 6-K current reports record financial-results announcements, investor-conference communications, credit-rating updates, technology-platform releases and customer or partner developments involving analog, power-management, silicon photonics and SiGe processes.
The filings also provide public-company disclosure around material events, operating and financial results, capital structure, governance matters and risk factors. Company descriptions in the filings identify Tower's customizable process platforms, design enablement and process-transfer services, and its manufacturing footprint across Israel, the United States, Japan through TPSCo, and a shared 300mm facility in Agrate, Italy with STMicroelectronics.
Harel Insurance Investments & Financial Services Ltd. reported beneficial ownership of 5,700,478 Ordinary Shares of Tower Semiconductor Ltd., representing 5.1% of the class based on 112,824,944 Ordinary Shares outstanding as of March 31, 2026. The filing states 5,482,801 shares are held for public clients through managed funds, 43,757 shares are in third‑party client accounts, and 173,920 shares are held for the filer’s own account.
The statement notes that subsidiaries manage the public client holdings under independent management and that the Reporting Person disclaims beneficial ownership of more than 173,920 shares held for its own account. Voting and dispositive powers are reported as shared for the aggregate position; sole voting and disposition powers are zero.
Tower Semiconductor filed a Form 6-K highlighting a new multi-year supply agreement with IQE for Indium Phosphide (InP) epiwafers used in Tower’s silicon photonics platforms for AI data-centre optical connectivity. The deal includes a first-year minimum purchase commitment by Tower, reciprocal supply commitments from IQE, and ongoing minimum volume commitments.
In parallel, Tower will grant IQE a broad, worldwide, royalty-free license to its porous silicon patents, resolving all prior IP disputes and settling related litigation between the companies. The collaboration targets current 200Gb/s-per-lane pluggable transceivers and prototyping of 400Gb/s-per-lane modulators and other advanced optical applications.
TOWER SEMICONDUCTOR LTD ownership disclosure: Phoenix Financial Ltd. and certain subsidiaries report beneficial ownership of ordinary shares totaling 5,654,349.46 shares, equal to 5.01% of outstanding ordinary shares. The filing states 112,824,944 Ordinary Shares outstanding as of June 8, 2026.
The Schedule 13G breaks the stake into subsidiary holdings, including 1,951,539.75 shares held by Phoenix Investments House trust funds and 3,485,590 shares held by a Partnership for Israeli shares. Shared voting and dispositive power are reported as 5,654,349.46 shares. The report emphasizes independent management of each subsidiary and disclaims formation of a Section 13(d) group.
Tower Semiconductor Ltd. Chief Executive Officer Russell Craig Ellwanger filed an initial statement of beneficial ownership, listing his direct holdings of ordinary shares and restricted stock units (RSUs).
The filing notes RSU grants under which 83,709 units and 145,000 units have already vested. Additional tranches are scheduled to vest on specific dates, including 66,964 RSUs on July 3, 2026, 97,826 and 97,827 RSUs on July 31, 2026 and July 31, 2027, 72,500 RSUs on May 27, 2027, and several blocks between 14,650 and 57,967 RSUs from July 30, 2026 through July 30, 2028, all subject to his continued service.
Tower Semiconductor Ltd director Amir Elstein has filed an initial statement of holdings in the company’s ordinary shares. The filing shows direct ownership entries including 6,273, 7,380 and 7,995 ordinary-share-equivalent restricted stock units, each tied to multi‑year vesting schedules, plus a larger block of 103,686 ordinary shares.
Footnotes explain that these RSU awards each represent a contingent right to receive one ordinary share per unit, with portions already vested and the remaining units scheduled to vest between July 3, 2026 and July 30, 2028, subject to continued service.
Tower Semiconductor Ltd officer Marco Racanelli, listed as President, reports his beneficial ownership of ordinary shares and restricted stock units. The filing lists several direct holdings of ordinary shares, each with its own post-transaction balance, reflecting different grant or account entries.
Footnotes explain that the reported positions include restricted stock units (RSUs), each representing a contingent right to receive one ordinary share of Tower Semiconductor. Some RSUs are already vested, while additional tranches are scheduled to vest between December 11, 2026 and March 31, 2029, conditioned on his continued service through each vesting date.
Tower Semiconductor Ltd Chief Financial Officer Oren Shirazi filed an initial Form 3 reporting his holdings of ordinary shares and restricted stock units. The filing lists several direct holdings of ordinary shares, along with RSU awards that convert into one ordinary share each as they vest.
Footnotes describe RSU grants of 2,348 shares vesting on 12/11/2026, 25,268 shares vesting on 03/19/2027, and 18,125 shares vesting on 05/27/2027, all subject to continued service. Additional RSU grants vest in tranches through 2028 and 2029, outlining a multi‑year equity compensation schedule.
TOWER SEMICONDUCTOR LTD Chief Operating Officer Mor Rafy filed an initial statement of beneficial ownership, outlining current equity interests in the company’s ordinary shares and restricted stock units (RSUs). The filing shows several RSU grants, each representing a right to receive one ordinary share upon vesting.
According to the footnotes, 2,348 RSUs are scheduled to vest on 12/11/2026, and 19,849 RSUs are scheduled to vest on 03/19/2027, in each case subject to continued service. Another grant includes 36,250 RSUs that have already vested, with an additional 18,125 RSUs scheduled to vest on 05/27/2027. A further RSU award has 11,141 units already vested, with 11,141 vesting on 03/26/2027 and 11,145 vesting on 03/26/2028, subject to continued service.
One more RSU grant provides 1,940 units vesting on 03/31/2027, 1,940 on 03/31/2028, and 1,941 on 03/31/2029, again conditioned on continued employment. The ordinary share lines with totals such as 5,821, 2,816, 33,427, 54,375, 19,849 and 2,348 shares reflect reported holdings rather than new market purchases or sales.
Tower Semiconductor Ltd director Ben Moshe Sagi has filed an initial ownership report showing direct holdings of the company’s ordinary shares. The filing lists two direct positions with post-report amounts of 4,182 and 4,920 ordinary shares, establishing his baseline equity stake.
The footnotes explain that he has been granted restricted stock units, each equal to one ordinary share. Of these RSUs, 2,460 are already vested and 2,460 are scheduled to vest on 07/31/2026, subject to continued service. Additional tranches of 2,090 RSUs will vest on 07/30/2026 and 2,092 RSUs on 07/30/2027, also contingent on his ongoing service.
TOWER SEMICONDUCTOR LTD director Kalman Kaufman filed an initial ownership report showing direct holdings of ordinary shares and equity awards. The filing lists several direct positions in ordinary shares, and discloses restricted stock units that convert into one ordinary share each as they vest.
According to the disclosure, 2,460 RSUs are already vested and another 2,460 RSUs will vest on 07/31/2026, subject to continued service. A separate grant provides 2,091 RSUs vesting on 07/30/2026 and 2,091 RSUs vesting on 07/30/2027, also conditioned on ongoing service through each vesting date.