SUMME GREGORY L

Director · GRAL, NXPI, UP, AVTR, STT

As of 2026-09-16, SUMME GREGORY L has 30 Form 4 transactions on record across 5 companies — 13 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: $23.3MIndirect: $6.2M$29.6Mas of 2026-09-16
  • Direct $23.3M
  • Indirect $6.2M
STTdirect100,023 sh$18.3M
AVTRindirect400,000 sh$6.2M
GRALdirect45,672 sh$3.4M
AVTRdirect83,381 sh$1.3M
NXPIdirect841 sh$184K
UPdirect36,090 sh$114K

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

GRAL · 9 trades
2026-07-15: Award / grant, 427 sh ($32K)2026-06-18: Award / grant, 5,491 sh ($350K)2026-04-15: Award / grant, 631 sh ($31K)2026-01-15: Award / grant, 329 sh ($32K)2025-10-15: Award / grant, 425 sh ($32K)2025-07-15: Award / grant, 825 sh ($32K)2025-05-29: Award / grant, 6,082 sh ($250K)2025-04-15: Award / grant, 1,212 sh ($31K)2025-01-15: Award / grant, 1,828 sh ($32K)
AVTR · 9 trades
2026-05-07: Award / grant, 25,270 sh ($0)2026-02-12: Purchase, 100,000 sh ($940K)2025-10-30: Purchase, 100,000 sh ($1.1M)2025-08-21: Purchase, 100,000 sh ($1.3M)2025-05-23: Purchase, 30,000 sh ($375K)2025-05-22: Purchase, 20,000 sh ($253K)2025-05-08: Award / grant, 17,100 sh ($0)2025-05-07: Purchase, 25,000 sh ($300K)2025-04-28: Purchase, 25,000 sh ($313K)
NXPI · 8 trades
2026-06-10: Withheld for tax, 513 sh ($153K)2026-06-10: Option exercise, 1,035 sh ($0)2026-06-10: Award / grant, 841 sh ($0)2026-06-10: Option exercise, 1,035 sh ($0)2025-06-11: Award / grant, 1,035 sh ($0)2025-05-29: Withheld for tax, 407 sh ($80K)2025-05-29: Option exercise, 822 sh ($0)2025-05-29: Option exercise, 822 sh ($0)
UP · 2 trades
2026-06-09: Award / grant, 24,305 sh ($0)2025-06-10: Award / grant, 148,026 sh ($0)
STT · 2 trades
2025-02-18: Sale, 10,815 sh ($1.1M)2025-02-18: Sale, 3,000 sh ($300K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-12AVTRPurchase100,000 @ $9.40$940K+33.3% of holding400,000Form 4
2025-10-30AVTRPurchase100,000 @ $11.25$1.1M+50.0% of holding300,000Form 4
2025-08-21AVTRPurchase100,000 @ $12.56$1.3M+100.0% of holding200,000Form 4
2025-05-23AVTRPurchase30,000 @ $12.50$375K+42.9% of holding100,000Form 4
2025-05-22AVTRPurchase20,000 @ $12.65$253K+40.0% of holding70,000Form 4
2025-05-07AVTRPurchase25,000 @ $12.00$300K+100.0% of holding50,000Form 4
2025-04-28AVTRPurchase25,000 @ $12.50$313Kownership Δ n/a25,000Form 4
2025-02-18STTSale10,815 @ $100.00$1.1M−9.8% of holding100,023Form 4
2025-02-18STTSale3,000 @ $100.00$300K−100.0% of holding0Form 4
21 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-15GRALAward / grant42745,672Form 4
2026-06-18GRALAward / grant5,49145,245Form 4
2026-06-10NXPIWithheld for tax5138,645Form 4
2026-06-10NXPIOption exercise1,0359,158Form 4
2026-06-10NXPIAward / grant841841Form 4
2026-06-10NXPIOption exercise1,0350Form 4
2026-06-09UPAward / grant24,30536,090Form 4
2026-05-07AVTRAward / grant25,27083,381Form 4
2026-04-15GRALAward / grant63139,754Form 4
2026-01-15GRALAward / grant32939,123Form 4
2025-10-15GRALAward / grant42538,794Form 4
2025-07-15GRALAward / grant82538,369Form 4
2025-06-11NXPIAward / grant1,0351,035Form 4
2025-06-10UPAward / grant148,026235,714Form 4
2025-05-29GRALAward / grant6,08237,544Form 4
2025-05-29NXPIWithheld for tax4078,123Form 4
2025-05-29NXPIOption exercise8220Form 4
2025-05-29NXPIOption exercise8228,530Form 4
2025-05-08AVTRAward / grant17,10058,111Form 4
2025-04-15GRALAward / grant1,21231,462Form 4
2025-01-15GRALAward / grant1,82830,250Form 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.