Teh Ban Seng

Teh Ban Seng, EVP and Chief Commercial Officer of Seagate Technology Holdings (STX), has filed 115 Form 4 transactions, all in the single company, with a clearly one-sided pattern. His total reported sell value is $47,896,195.55, while his total buy value is zero, and he has reported no open-market purchases in the recent period. Of his 21 recent trades, all 21 are sales, the bulk of which were clustered on a single day, August 21, 2026. The August 21 sell date shows 15 separate sale transactions with values ranging from $66,843.60 to $1,515,923.61. The combined value of all August 21 transactions, excluding the option exercises, amounts to roughly $5.4 million. A large portion of those trades appear tied to the exercise and sale of options, which the Form 4 codes make clear. Two "M" transactions (option exercises) were reported on September 9, 2026, each with a value of $0, indicating the exercise of options where the strike had been previously established. The following day, September 10, he sold shares worth $570,239.67 in the open market. The compensation component came through on August 20, 2026, when two "A" transactions (grants or awards) were reported, each with a value of $0. Though compensation events are not intentional trades, they serve as the source of the shares he then sells. The . Subsequent sales one day later. There are no Z or K codes in the data. The pattern is consistent: Teh receives grants, exercises options, and then sells the resulting stock in the open market. He has not bought any shares on the open market during this period, so his trading is wholly supply side.