Isaias Zanatta Roberto Jacobo

Officer · MAT

As of 2026-09-16, Isaias Zanatta Roberto Jacobo has 31 Form 4 transactions on record across 1 company — 16 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: $1.9MIndirect: $0$1.9Mas of 2026-09-16
  • Direct $1.9M
  • Indirect $0
MATdirect144,390 sh$1.9M

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

MAT · 31 trades
2026-08-31: Sale, 39,083 sh ($587K)2026-05-07: Withheld for tax, 9,031 sh ($135K)2026-05-07: Option exercise, 17,749 sh ($0)2026-05-07: Option exercise, 17,749 sh2026-05-07: Option exercise, 17,749 sh2026-05-01: Award / grant, 62,793 sh ($0)2026-04-28: Withheld for tax, 7,401 sh ($109K)2026-04-28: Option exercise, 14,545 sh ($0)2026-04-28: Option exercise, 14,545 sh2026-04-28: Option exercise, 14,545 sh2026-04-24: Withheld for tax, 6,818 sh ($99K)2026-04-24: Option exercise, 13,400 sh ($0)2026-04-24: Option exercise, 13,400 sh2026-04-24: Option exercise, 13,400 sh2026-02-09: Withheld for tax, 16,728 sh ($360K)2026-02-09: Award / grant, 46,042 sh ($0)2025-05-07: Award / grant, 53,787 sh ($0)2025-04-29: Withheld for tax, 3,197 sh ($50K)2025-04-29: Option exercise, 6,294 sh ($0)2025-04-29: Option exercise, 6,294 sh2025-04-29: Option exercise, 6,294 sh2025-04-28: Withheld for tax, 7,169 sh ($113K)2025-04-28: Option exercise, 14,117 sh ($0)2025-04-28: Option exercise, 14,117 sh2025-04-28: Option exercise, 14,117 sh2025-04-25: Withheld for tax, 6,805 sh ($107K)2025-04-25: Option exercise, 13,399 sh ($0)2025-04-25: Option exercise, 13,399 sh2025-04-25: Option exercise, 13,399 sh2025-02-03: Withheld for tax, 3,745 sh ($67K)2025-02-03: Award / grant, 9,722 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-31MATSale39,083 @ $15.02$587K−21.3% of holding144,390Form 4
30 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-07MATWithheld for tax9,031183,473Form 4
2026-05-07MATOption exercise17,74936,038Form 4
2026-05-07MATOption exercise17,749192,504Form 4
2026-05-07MATOption exercise17,749192,504Form 4
2026-05-01MATAward / grant62,79362,793Form 4
2026-04-28MATWithheld for tax7,401174,755Form 4
2026-04-28MATOption exercise14,5450Form 4
2026-04-28MATOption exercise14,545182,156Form 4
2026-04-28MATOption exercise14,545182,156Form 4
2026-04-24MATWithheld for tax6,818167,611Form 4
2026-04-24MATOption exercise13,40013,807Form 4
2026-04-24MATOption exercise13,400174,429Form 4
2026-04-24MATOption exercise13,400174,429Form 4
2026-02-09MATWithheld for tax16,728161,029Form 4
2026-02-09MATAward / grant46,042177,757Form 4
2025-05-07MATAward / grant53,78753,787Form 4
2025-04-29MATWithheld for tax3,197131,715Form 4
2025-04-29MATOption exercise6,2940Form 4
2025-04-29MATOption exercise6,294134,912Form 4
2025-04-29MATOption exercise6,294134,912Form 4
2025-04-28MATWithheld for tax7,169128,618Form 4
2025-04-28MATOption exercise14,11714,545Form 4
2025-04-28MATOption exercise14,117135,787Form 4
2025-04-28MATOption exercise14,117135,787Form 4
2025-04-25MATWithheld for tax6,805121,670Form 4
2025-04-25MATOption exercise13,39927,207Form 4
2025-04-25MATOption exercise13,399128,475Form 4
2025-04-25MATOption exercise13,399128,475Form 4
2025-02-03MATWithheld for tax3,745115,076Form 4
2025-02-03MATAward / grant9,722118,821Form 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.