| 2024 | International Friends of Khm | 990 | Treasurer & Director | 1 | $13,205 | $0 | View return |
| 2024 | Freud Foundation Us | 990PF | Treasurer | 5 | $0 | $0 | View return |
| 2024 | Vienna Secession American Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2024 | International Friends of the Vienna State Opera Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2024 | International Friends of the European Society of Radiology | 990PF | Treasurer & Secretary | 1 | $0 | $0 | View return |
| 2024 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Director | 1 | $0 | $0 | View return |
| 2024 | International Friends of the Albertina Museum | 990PF | Director / Treasurer | 1 | $0 | $0 | View return |
| 2024 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /Treasurer | 1 | $0 | $0 | View return |
| 2023 | Freud Foundation Us | 990PF | Treasurer | 5 | $3,013 | $0 | View return |
| 2023 | International Friends of the Vienna State Opera Inc. | 990PF | Director | 0 | $445 | $0 | View return |
| 2023 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /Treasurer | 1 | $0 | $0 | View return |
| 2023 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Director | 1 | $0 | $0 | View return |
| 2023 | Vienna Secession American Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | International Friends of Khm | 990 | Treasurer & Director | 1 | $0 | $0 | View return |
| 2023 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2023 | International Friends of the European Society of Radiology | 990PF | Treasurer & Secretary | 1 | $0 | $0 | View return |
| 2023 | International Friends of the Albertina Museum | 990PF | Director / Treasurer | 1 | $0 | $0 | View return |
| 2022 | International Friends of Khm | 990 | Treasurer & Director | 1 | $9,053 | $0 | View return |
| 2022 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /Treasurer | 1 | $4,655 | $0 | View return |
| 2022 | Vienna Secession American Foundation Inc. | 990PF | Director | 1 | $3,303 | $0 | View return |
| 2022 | Freud Foundation Us | 990PF | Treasurer | 5 | $3,300 | $0 | View return |
| 2022 | International Friends of the Vienna State Opera Inc. | 990PF | Director | 0 | $1,678 | $0 | View return |
| 2022 | International Friends of the Albertina Museum | 990PF | Director / Treasurer | 1 | $0 | $0 | View return |
| 2022 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2022 | International Friends of the European Society of Radiology | 990PF | Treasurer & Secretary | 1 | $0 | $0 | View return |
| 2022 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Director | 1 | $0 | $0 | View return |
| 2021 | International Friends of Khm | 990 | Treasurer & Director | 1 | $5,708 | $0 | View return |
| 2021 | International Friends of the European Society of Radiology | 990PF | Treasurer & Secretary | 1 | $4,693 | $0 | View return |
| 2021 | Vienna Secession American Foundation Inc. | 990PF | Treas & Director | 1 | $2,627 | $0 | View return |
| 2021 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2021 | International Friends of the Albertina Museum | 990PF | Director / Treasurer | 1 | $0 | $0 | View return |
| 2021 | International Friends of the Vienna State Opera Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Freud Foundation Us | 990PF | Treasurer | 5 | $0 | $0 | View return |
| 2021 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /Treasurer | 1 | $0 | $0 | View return |
| 2021 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Director | 1 | $0 | $0 | View return |
| 2020 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Director | 1 | $9,450 | $0 | View return |
| 2020 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /Treasurer | 5 | $6,762 | $0 | View return |
| 2020 | Freud Foundation Us | 990PF | Treasurer | 5 | $5,718 | $0 | View return |
| 2020 | International Friends of Khm | 990 | Treasurer & Director | 1 | $3,667 | $0 | View return |
| 2020 | International Friends of the Albertina Museum | 990PF | Director / Treasurer | 0 | $0 | $0 | View return |
| 2020 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2020 | International Friends of the Vienna State Opera Inc. | 990PF | Treasurer& Secretary | 0 | $0 | $0 | View return |
| 2020 | Vienna Secession American Foundation Inc. | 990PF | Treas & Director | 1 | $0 | $0 | View return |
| 2019 | International Friends of Khm | 990 | Treasurer & | 1 | $3,924 | $0 | View return |
| 2019 | International Friends of the Vienna State Opera Inc. | 990PF | Treasurer& S | 0 | $3,382 | $0 | View return |
| 2019 | Freud Foundation Us | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2019 | Vienna Secession American Foundation Inc. | 990PF | Treas & Dire | 1 | $0 | $0 | View return |
| 2019 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Direc | 1 | $0 | $0 | View return |
| 2019 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /T | 1 | $0 | $0 | View return |
| 2019 | International Friends of the Albertina Museum | 990PF | Director / T | 1 | $0 | $0 | View return |
| 2018 | Freud Foundation Us | 990PF | Treasurer | 0.5 | $7,420 | $0 | View return |
| 2018 | International Friends of the Vienna State Opera Inc. | 990PF | Treasurer& S | 0 | $2,693 | $0 | View return |
| 2018 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /T | 1 | $0 | $0 | View return |
| 2018 | International Friends of the Albertina Museum | 990PF | Director / T | 0 | $0 | $0 | View return |
| 2018 | International Friends of Khm | 990 | Treasurer & | 1 | $0 | $0 | View return |
| 2018 | Vienna Secession American Foundation Inc. | 990PF | Treas & Dire | 1 | $0 | $0 | View return |
| 2018 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2018 | International Friends of the Albertina Museum | 990PF | Director / T | 0 | $0 | $0 | View return |
| 2018 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Direc | 1 | $0 | $0 | View return |
| 2018 | International Friends of Khm | 990 | Treasurer & | 1 | $0 | $0 | View return |
| 2018 | International Friends of the Mak Vienna Inc. | 990PF | Secretary /T | 1 | $0 | $0 | View return |
| 2017 | International Friends of Khm | 990 | Treasurer & | 0.8 | $12,928 | $0 | View return |
| 2017 | International Friends of the Mak Vienna Inc. | 990 | Secretary /T | 0.5 | $908 | $0 | View return |
| 2017 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | Pres & Direc | 1 | $0 | $0 | View return |
| 2017 | International Friends of the Albertina Museum | 990PF | Director / T | 0.5 | $0 | $0 | View return |
| 2017 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2017 | Vienna Secession American Foundation Inc. | 990PF | Treas & Dire | 0.8 | $0 | $0 | View return |
| 2017 | Freud Foundation Us | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | International Friends of the Albertina Museum | 990PF | Director / T | 0.5 | $0 | $0 | View return |
| 2016 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | President | 2 | $8,880 | $0 | View return |
| 2016 | International Friends of the Mak Vienna Inc. | 990 | Secretary /T | 0.5 | $5,750 | $0 | View return |
| 2016 | International Friends of the Albertina Museum | 990PF | Director / T | 0.5 | $3,410 | $0 | View return |
| 2016 | Viennese Opera Ball Co Marcie Rudell Executive Director | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2016 | American Foreign Law Association Inc Gordon Cameron - Stikeman Elliott | 990EZ | Vice President | 0 | $0 | $0 | View return |
| 2016 | International Friends of Khm | 990 | Treasurer & | 0.8 | $0 | $0 | View return |
| 2015 | International Friends of Khm | 990 | Treasurer & | 0.8 | $7,567 | $0 | View return |
| 2015 | International Friends of the Albertina Museum | 990PF | Director / T | 0.8 | $4,300 | $0 | View return |
| 2015 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2015 | American Foreign Law Association Inc Gordon Cameron - Stikeman Elliott | 990EZ | Vice President | 0 | $0 | $0 | View return |
| 2015 | International Friends of the Mak Vienna Inc. | 990 | Secretary /T | 0.1 | $0 | $0 | View return |
| 2015 | International Friends of the Vienna State Opera Inc. | 990EZ | Treasurer& S | 0.5 | $0 | - | View return |
| 2015 | Ines Mandl Research Foundation Inc C/O Harnik Law Firm | 990PF | President | 2 | $0 | $0 | View return |
| 2014 | International Friends of Khm | 990 | Treasurer & | 0.8 | $0 | $0 | View return |
| 2014 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2014 | International Friends of the Mak Vienna Inc. | 990 | Secretary /T | 0.1 | $0 | $0 | View return |
| 2013 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2012 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |
| 2011 | The Stephen and Deborah Harnik Charitable Foundation | 990PF | President | 5 | $0 | $0 | View return |