Mathers Edward T

Director · Ten-percent owner · OKUR, MBX, TRVI, RYTM, KRRO, SGP …

As of 2026-09-16, Mathers Edward T has 70 Form 4 transactions on record across 7 companies — 58 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: $1.8MIndirect: $4.7M$6.6Mas of 2026-09-16
  • Direct $1.8M
  • Indirect $4.7M
KRROindirect242,945 sh$3.4M
RYTMindirect14,168 sh$1.4M
MBXdirect12,500 sh$770K
TRVIdirect35,000 sh$525K
RYTMdirect4,712 sh$462K
OKURdirect22,350 sh$64K

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

NEUE · 31 trades
2025-10-02: Sale, 2,455 sh ($17K)2025-10-02: Exercise, 1,656,789 sh ($17K)2025-10-02: Exercise, 607,536 sh ($6K)2025-10-02: Sale, 900 sh ($6K)2025-10-02: Exercise, 189,195 sh ($2K)2025-10-02: Sale, 280 sh ($2K)2025-10-02: Withheld for tax, 276 sh ($2K)2025-10-02: Option exercise, 186,128 sh ($2K)2025-10-02: Option exercise, 124,085 sh ($1K)2025-10-02: Withheld for tax, 182 sh ($1K)2025-10-02: Exercise, 1,656,789 sh ($0)2025-10-02: Option exercise, 186,128 sh ($0)2025-10-02: Option exercise, 124,085 sh ($0)2025-10-02: Exercise, 607,536 sh ($0)2025-10-02: Exercise, 189,195 sh ($0)2025-10-02: Disposition, 75,000 sh2025-10-02: Disposition, 75,000 sh2025-10-02: Disposition, 37,700 sh2025-10-02: Award / grant, 124,085 sh2025-10-02: Disposition, 674,554 sh2025-10-02: Disposition, 2,384,873 sh2025-10-02: Award / grant, 186,128 sh2025-10-02: Disposition, 125,000 sh2025-10-02: Disposition, 100,000 sh2025-10-02: Disposition, 2,384,873 sh2025-10-02: Disposition, 37,700 sh2025-10-02: Award / grant, 124,085 sh2025-10-02: Disposition, 125,000 sh2025-10-02: Disposition, 100,000 sh2025-10-02: Disposition, 674,554 sh2025-10-02: Award / grant, 186,128 sh
SGP · 17 trades
2026-02-09: Purchase, 937,500 sh ($15.0M)2026-02-09: Conversion, 1,370,168 sh2026-02-09: Conversion, 1,370,168 sh2026-02-09: Conversion, 1,619,240 sh2026-02-09: Conversion, 1,370,168 sh2026-02-09: Conversion, 1,370,168 sh2026-02-09: Conversion, 1,619,240 sh2026-02-09: Conversion, 1,370,168 sh2026-02-09: Conversion, 1,370,168 sh2026-02-09: Conversion, 737,962 sh2026-02-09: Conversion, 1,619,240 sh2026-02-09: Conversion, 1,370,168 sh2026-02-09: Conversion, 737,962 sh2026-02-09: Conversion, 737,962 sh2026-02-09: Conversion, 1,619,240 sh2026-02-09: Conversion, 737,962 sh2026-02-09: Conversion, 1,370,168 sh
OKUR · 7 trades
2026-08-07: Award / grant, 22,350 sh ($0)2026-06-04: Award / grant, 7,650 sh ($0)2025-12-31: Award / grant, 3,911 sh ($0)2025-09-30: Award / grant, 4,125 sh ($0)2025-06-30: Award / grant, 4,694 sh ($0)2025-05-28: Award / grant, 7,650 sh ($0)2025-03-31: Award / grant, 2,580 sh ($0)
RYTM · 7 trades
2026-03-12: Other acquisition, 4,199 sh ($0)2026-03-02: Other acquisition, 4,198 sh ($0)2025-06-24: Award / grant, 4,712 sh ($0)2025-06-24: Award / grant, 7,037 sh ($0)2025-06-18: Option exercise, 4,000 sh ($0)2025-06-18: Option exercise, 4,000 sh2025-06-18: Option exercise, 4,000 sh
MBX · 2 trades
2026-06-04: Award / grant, 12,500 sh ($0)2025-06-05: Award / grant, 16,000 sh ($0)
TRVI · 2 trades
2026-06-03: Award / grant, 35,000 sh ($0)2025-06-11: Award / grant, 45,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-10KRROPurchase242,945 @ $11.11$2.7Mownership Δ n/a242,945Form 4
2026-03-10KRROPurchase207,100 @ $11.11$2.3M+19.0% of holding1,297,893Form 4
2026-02-09SGPPurchase937,500 @ $16.00$15.0M+18.4% of holding6,035,038Form 4
2025-10-02NEUESale2,455 @ $6.75$17K−0.1% of holding1,654,334Form 4
2025-10-02NEUESale900 @ $6.75$6K−0.0% of holding2,260,970Form 4
2025-10-02NEUESale280 @ $6.75$2K−0.1% of holding488,702Form 4
64 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-07OKURAward / grant22,35022,350Form 4
2026-06-04OKURAward / grant7,6507,650Form 4
2026-06-04MBXAward / grant12,50012,500Form 4
2026-06-03TRVIAward / grant35,00035,000Form 4
2026-03-12RYTMOther acquisition4,19914,168Form 4
2026-03-02RYTMOther acquisition4,1989,969Form 4
2026-02-09SGPConversion1,370,1680Form 4
2026-02-09SGPConversion1,370,1680Form 4
2026-02-09SGPConversion1,619,2401,619,240Form 4
2026-02-09SGPConversion1,370,1680Form 4
2026-02-09SGPConversion1,370,1682,989,408Form 4
2026-02-09SGPConversion1,619,2401,619,240Form 4
2026-02-09SGPConversion1,370,1682,989,408Form 4
2026-02-09SGPConversion1,370,1684,359,576Form 4
2026-02-09SGPConversion737,9625,097,538Form 4
2026-02-09SGPConversion1,619,2400Form 4
2026-02-09SGPConversion1,370,1680Form 4
2026-02-09SGPConversion737,9620Form 4
2026-02-09SGPConversion737,9620Form 4
2026-02-09SGPConversion1,619,2400Form 4
2026-02-09SGPConversion737,9625,097,538Form 4
2026-02-09SGPConversion1,370,1684,359,576Form 4
2025-12-31OKURAward / grant3,91115,310Form 4
2025-10-02NEUEExercise1,656,7891,656,789Form 4
2025-10-02NEUEExercise607,5362,261,870Form 4
2025-10-02NEUEExercise189,195488,982Form 4
2025-10-02NEUEWithheld for tax276674,554Form 4
2025-10-02NEUEOption exercise186,128674,830Form 4
2025-10-02NEUEOption exercise124,0852,385,055Form 4
2025-10-02NEUEWithheld for tax1822,384,873Form 4
2025-10-02NEUEExercise1,656,7890Form 4
2025-10-02NEUEOption exercise186,1280Form 4
2025-10-02NEUEOption exercise124,0850Form 4
2025-10-02NEUEExercise607,5360Form 4
2025-10-02NEUEExercise189,1950Form 4
2025-10-02NEUEDisposition75,0000Form 4
2025-10-02NEUEDisposition75,0000Form 4
2025-10-02NEUEDisposition37,7000Form 4
2025-10-02NEUEAward / grant124,085124,085Form 4
2025-10-02NEUEDisposition674,5540Form 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.