| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Fong Shih-Song | 4.5% | -29% | $21,021,788 | -$9,602,212 | 4,832,595 | -31% | FONG SHIH-SONG | 09 Jun 2025 |
| Hon Devid | 4.3% | -39% | $19,964,112 | -$12,747,871 | 4,589,451 | -39% | HON DEVID | 09 Jun 2025 |
| Liao Yen-Kai | 3.6% | -44% | $21,659,040 | -$15,793,195 | 3,888,517 | -42% | LIAO YEN-KAI | 19 Jun 2025 |
| Lo Sheng-Lun | 3.6% | -43% | $21,244,169 | -$17,968,631 | 3,814,034 | -46% | LO SHENG-LUN | 19 Jun 2025 |
| Hendri Jones | 3% | -52% | $14,162,660 | -$17,157,348 | 3,255,784 | -55% | HENDRI JONES | 09 Jun 2025 |
| Hsiao Tzu-Kai | 2.7% | -62% | $12,507,046 | -$17,420,945 | 2,875,183 | -58% | HSIAO TZU-KAI | 09 Jun 2025 |
As of 30 Sep 2025, 1 institutional investors reported holding 495 shares of Ostin Technology Group Co., Ltd. - Class A Ordinary Shares (OST). This represents 0% of the company’s total 107,142,857 outstanding shares.