NATHAN GILBERT E

Director · ALTO, MX, RC

As of 2026-09-16, NATHAN GILBERT E has 19 Form 4 transactions on record across 3 companies — 14 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.

Pattern in the record: open-market purchases filed in March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $4.6MIndirect: $440K$5.0Mas of 2026-09-16
  • Direct $4.6M
  • Indirect $440K
ALTOdirect866,393 sh$3.5M
MXdirect265,682 sh$739K
MXindirect158,200 sh$440K
RCdirect216,358 sh$342K

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

MX · 8 trades
2026-08-01: Award / grant, 51,191 sh ($0)2026-03-16: Purchase, 21,994 sh ($63K)2026-03-13: Purchase, 13,006 sh ($36K)2026-03-12: Purchase, 25,000 sh ($69K)2026-02-15: Award / grant, 1,478 sh ($0)2025-11-15: Award / grant, 6,320 sh ($0)2025-07-01: Award / grant, 50,650 sh ($0)2025-03-13: Purchase, 20,000 sh ($74K)
ALTO · 6 trades
2026-09-14: Purchase, 10,000 sh ($39K)2026-08-11: Purchase, 50,000 sh ($208K)2026-06-23: Award / grant, 31,652 sh ($0)2026-05-13: Purchase, 5,000 sh ($22K)2026-05-12: Purchase, 20,000 sh ($92K)2025-07-09: Award / grant, 49,166 sh ($0)
RC · 5 trades
2026-03-06: Purchase, 30,000 sh ($58K)2026-03-05: Purchase, 10,000 sh ($20K)2026-03-05: Award / grant, 58,252 sh ($0)2025-03-10: Purchase, 5,000 sh ($26K)2025-02-22: Award / grant, 17,857 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-14ALTOPurchase10,000 @ $3.93$39K+1.2% of holding866,393Form 4
2026-08-11ALTOPurchase50,000 @ $4.15$208K+6.2% of holding856,393Form 4
2026-05-13ALTOPurchase5,000 @ $4.45$22K+0.6% of holding774,741Form 4
2026-05-12ALTOPurchase20,000 @ $4.61$92K+2.7% of holding769,741Form 4
2026-03-16MXPurchase21,994 @ $2.87$63K+16.1% of holding158,200Form 4
2026-03-13MXPurchase13,006 @ $2.79$36K+10.6% of holding136,206Form 4
2026-03-12MXPurchase25,000 @ $2.75$69K+25.5% of holding123,200Form 4
2026-03-06RCPurchase30,000 @ $1.95$58K+16.1% of holding216,358Form 4
2026-03-05RCPurchase10,000 @ $2.02$20K+8.5% of holding128,106Form 4
2025-03-13MXPurchase20,000 @ $3.68$74K+25.6% of holding98,200Form 4
2025-03-10RCPurchase5,000 @ $5.12$26K+4.4% of holding118,106Form 4
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-01MXAward / grant51,191265,682Form 4
2026-06-23ALTOAward / grant31,652806,393Form 4
2026-03-05RCAward / grant58,252186,358Form 4
2026-02-15MXAward / grant1,478214,491Form 4
2025-11-15MXAward / grant6,320213,013Form 4
2025-07-09ALTOAward / grant49,166749,741Form 4
2025-07-01MXAward / grant50,650206,693Form 4
2025-02-22RCAward / grant17,857113,106Form 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.