TAHIRI MOSTAPHA

Officer · STT

As of 2026-09-16, TAHIRI MOSTAPHA has 15 Form 4 transactions on record across 1 company — 8 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $11.8MIndirect: $0$11.8Mas of 2026-09-16
  • Direct $11.8M
  • Indirect $0
STTdirect64,497 sh$11.8M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

STT · 15 trades
2026-08-14: Withheld for tax, 54 sh ($10K)2026-05-15: Withheld for tax, 91 sh ($14K)2026-04-22: Sale, 9,611 sh ($1.5M)2026-02-26: Award / grant, 14,259 sh ($0)2026-02-13: Withheld for tax, 2,269 sh ($290K)2026-02-13: Withheld for tax, 1,639 sh ($210K)2026-02-13: Award / grant, 10,193 sh ($0)2025-11-14: Withheld for tax, 74 sh ($9K)2025-08-15: Withheld for tax, 70 sh ($8K)2025-05-15: Withheld for tax, 50 sh ($5K)2025-05-02: Sale, 3,989 sh ($361K)2025-02-28: Award / grant, 15,811 sh ($0)2025-02-15: Withheld for tax, 685 sh ($68K)2025-02-15: Withheld for tax, 415 sh ($41K)2025-02-15: Award / grant, 5,111 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-04-22STTSale9,611 @ $152.93$1.5M−12.9% of holding64,642Form 4
2025-05-02STTSale3,989 @ $90.43$361K−6.9% of holding53,903Form 4
13 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-14STTWithheld for tax5464,497Form 4
2026-05-15STTWithheld for tax9164,551Form 4
2026-02-26STTAward / grant14,25974,253Form 4
2026-02-13STTWithheld for tax2,26959,994Form 4
2026-02-13STTWithheld for tax1,63962,263Form 4
2026-02-13STTAward / grant10,19363,902Form 4
2025-11-14STTWithheld for tax7453,709Form 4
2025-08-15STTWithheld for tax7053,783Form 4
2025-05-15STTWithheld for tax5053,853Form 4
2025-02-28STTAward / grant15,81157,892Form 4
2025-02-15STTWithheld for tax68542,496Form 4
2025-02-15STTWithheld for tax41542,081Form 4
2025-02-15STTAward / grant5,11143,181Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.