SL Science (SLBT) CEO Wang Ching-Dong Buys 4.55M Shares

What Happened
Wang Ching-Dong, Chairman and CEO of SL Science Holding Ltd (SLBT), acquired 4,545,306 ordinary shares on September 29, 2026. The Form 4 shows an aggregate purchase price of US$2,272,653 (about $0.50 per share). This transaction is reported as a purchase (code P). Note: the filing contains an anomalous large value in a price field; the detailed footnote clarifies the correct aggregate purchase amount shown above.

Key Details

• Transaction date: 2026-09-29; Form 4 filed: 2026-10-01 (no indication of lateness).
• Shares acquired: 4,545,306; purchase price: US$2,272,653 total — US$0.50 per share.
• Shares beneficially owned after transaction: 333,832,129 ordinary shares.
• Footnotes: the 4,545,306 shares were sold and transferred by SL Link Co., Ltd. (a Taiwan entity) to Mr. Wang. SL Link Co., Ltd. is 50.73% owned by Mr. Wang, and he is Chairman & CEO. The filing also notes 329,286,823 shares are held by SL Link Holding Ltd. (a Cayman entity) over which Mr. Wang is deemed to have voting and dispositive power. As a result, the aggregate beneficial ownership remained unchanged after the transfer.
• Transaction type: purchase via transfer from an affiliate (reported as P).

Context
This was a purchase/transfer from an entity Mr. Wang controls rather than a reported open-market buy from unrelated third parties; because of the affiliated transfer and the unchanged beneficial ownership, it does not change his overall stake in the company. Purchases by insiders are often watched by investors, but filings that are transfers among related parties can reflect internal reallocation rather than a new investment signal.