NASDAQ : ISSC
-$0.19 (-0.92%)
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| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-07-28 | BlackRock, Inc. | 1.04M | 5.80% |
| 2025-07-15 | Klear Kite LLC | - | 0.00% |
| 2025-07-15 | Harborne Christopher | - | 0.00% |
| 2025-07-10 | Klear Kite LLC | 959.33K | 5.50% |
| 2025-07-10 | Harborne Christopher | 959.33K | 5.50% |
| 2025-07-07 | Harborne Christopher | 1.26M | 7.20% |
| 2025-07-07 | Klear Kite LLC | 1.26M | 7.20% |
| 2025-07-01 | Klear Kite LLC | 1.58M | 9.00% |
| 2025-07-01 | Harborne Christopher | 1.58M | 9.00% |
| 2025-06-25 | Harborne Christopher | 1.95M | 11.10% |
| 2025-06-25 | Klear Kite LLC | 1.95M | 11.10% |
| 2025-06-06 | Klear Kite LLC | 2.22M | 12.60% |
| 2025-06-06 | Harborne Christopher | 2.22M | 12.60% |
| 2025-01-27 | Harborne Christopher | 2.42M | 13.80% |
| 2025-01-27 | Klear Kite LLC | 2.42M | 13.80% |
| 2025-01-03 | Kevin P. Gilboy | 664.16K | 3.79% |
| 2024-02-09 | Kevin P. Gilboy | 1.68M | 9.64% |
| 2022-12-28 | Christopher Scott Ginieczki, as Personal Representative of the Estate of Geoffrey S. M. Hedrick | 3.56M | 20.54% |
| 2022-12-28 | Estate of Geoffrey S. M. Hedrick | 3.54M | 20.42% |
| 2022-09-13 | Klear Kite LLC | 2.03M | 11.70% |
| 2022-09-13 | Christopher Harborne | 2.03M | 11.70% |
| 2022-09-12 | Norman H. Pessin | 861.82K | 5.00% |
| 2019-01-07 | WealthTrust Axiom LLC | 1.41M | 8.37% |
| 2018-01-31 | WealthTrust Axiom LLC | 1.49M | 8.88% |
| 2014-12-05 | John F. Donahue | 432.46K | 2.55% |
| 2014-12-05 | Voting Shares Irrevocable Trust | 432.46K | 2.55% |
| 2014-12-05 | Federated Investors, Inc. | 432.46K | 2.55% |
| 2014-12-05 | Rhodora J. Donahue | 432.46K | 2.55% |
| 2014-12-05 | J. Christopher Donahue | 432.46K | 2.55% |
| 2014-11-10 | John F. Donahue | 1.05M | 6.19% |
| 2014-11-10 | J. Christopher Donahue | 1.05M | 6.19% |
| 2014-11-10 | Voting Shares Irrevocable Trust | 1.05M | 6.19% |
| 2014-11-10 | Federated Investors, Inc. | 1.05M | 6.19% |
| 2014-11-10 | Rhodora J. Donahue | 1.05M | 6.19% |
| 2014-09-10 | Central Square Management, LLC | 875.42K | 5.19% |
| 2014-01-29 | (1) BlackRock, Inc. | 894.49K | 5.30% |
| 2011-02-08 | 13-5156620 | 481.76K | 2.90% |
| 2011-01-11 | 13-5156620 | 1.34M | 8.00% |
| 2010-01-07 | 56-0906609 | 10.0 | 12.00% |
| 2009-08-10 | 94-1687665 | 855.6K | 5.12% |
| 2009-08-10 | 56-0906609 | 858.4K | 5.13% |
| 2009-08-10 | 94-1687665 | 855.6K | 5.12% |
| 2009-08-10 | 13-5674085 | 2800.0 | 0.02% |
| 2009-02-13 | 56-2058405 | 200.0 | 0.00% |
| 2009-02-13 | 36-2685437 | 1.82M | 10.89% |
| 2009-02-13 | 94-1687665 | 1.82M | 10.89% |
| 2009-02-13 | 56-0906609 | 1.82M | 10.92% |
| 2009-02-13 | 56-1857749 | 1.82M | 10.92% |
| 2009-02-13 | 36-3737560 | 1.82M | 10.89% |
| 2009-02-13 | 94-1687665 | 1.82M | 10.89% |
| 2009-02-13 | 94-1687665 | 1.82M | 10.89% |
| 2009-02-13 | 56-2103478 | 200.0 | 0.00% |
| 2009-02-13 | 56-2058405 | 1460.0 | 0.01% |
| 2009-01-28 | 13-5156620 | 1.12M | 6.70% |
| 2008-08-08 | Teachers Retirement Board of Ohio, 31-1312155 | - | 0.00% |
| 2008-01-25 | Teachers Retirement Board of Ohio, 31-1312155 | 2.21M | 13.13% |
| 2007-03-20 | Teachers Retirement Board of Ohio, 31-1312155 | 2.21M | 13.13% |
| 2005-02-07 | Parker-Hannifin Corporation | 3251.0 | 0.03% |
| 2005-01-26 | Public School Employees Retirement System | 20600.0 | 0.17% |
| 2004-04-08 | 13-3580284 | 405.67K | 3.50% |
| 2004-02-03 | Parker-Hannifin Corporation | 1.09M | 9.50% |
| 2004-02-02 | Public School Employees Retirement System | 672.89K | 5.88% |
| 2004-01-15 | 13-3580284 | 811.37K | 7.10% |
| 2003-02-03 | Public School Employees Retirement System | 750.19K | 5.91% |
| 2002-04-08 | 13-3580284 | 122.35K | 1.00% |
| 2002-02-07 | 13-3580284 | 811.37K | 6.20% |
| 2002-01-25 | Apax Partners, Inc. 13-2647531 | - | 0.00% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-09-30 | $12.49 | 17.57M | $219.49M | $2.69M | $24.14M | $240.93M |
| 2024-09-30 | $6.52 | 17.46M | $113.84M | $538.98K | $28.03M | $141.33M |
| 2023-09-30 | $7.60 | 17.41M | $132.33M | $3.1M | $19.51M | $148.74M |
| 2022-09-30 | $8.63 | 17.26M | $148.93M | $17.25M | $28680 | $131.7M |
| 2021-09-30 | $7.02 | 17.23M | $120.92M | $8.27M | $42976 | $112.7M |
| 2020-09-30 | $6.84 | 16.94M | $115.86M | $12.6M | $45126 | $103.31M |
| 2019-09-30 | $4.70 | 16.87M | $79.28M | $22.42M | -$ | $56.86M |
| 2018-09-30 | $2.46 | 16.61M | $40.86M | $20.39M | -$ | $20.47M |
| 2017-09-30 | $3.64 | 16.74M | $60.94M | $24.68M | -$ | $36.26M |
| 2016-09-30 | $3.19 | 16.93M | $54M | $18.77M | -$ | $35.23M |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20.53 | 17.8M | $365.47M | $6.76M | $54.92M | $413.63M |
| 2025-12-31 | $18.94 | 17.69M | $335.13M | $8.29M | $23.53M | $350.37M |
| 2025-09-30 | $12.49 | 17.63M | $220.17M | $2.69M | $24.14M | $241.61M |
| 2025-06-30 | $13.88 | 17.6M | $244.31M | $601.76K | $23.26M | $266.97M |
| 2025-03-31 | $6.29 | 17.55M | $110.38M | $1.23M | $27.4M | $136.56M |
| 2024-12-31 | $8.54 | 17.51M | $149.57M | $604.56K | $26.51M | $175.48M |
| 2024-09-30 | $6.52 | 17.46M | $113.84M | $538.98K | $28.03M | $141.33M |
| 2024-06-30 | $5.80 | 17.46M | $101.28M | $521.04K | $9.86M | $110.62M |
| 2024-03-31 | $7.42 | 17.46M | $129.52M | $574.08K | $10.65M | $139.6M |
| 2023-12-31 | $8.53 | 17.45M | $148.86M | $467.33K | $10.62M | $159.02M |
| 2023-09-30 | $7.60 | 17.4M | $132.25M | $3.1M | $19.51M | $148.66M |
| 2023-06-30 | $7.17 | 17.58M | $126.03M | $2.57M | $20.01M | $143.47M |