GENACHOWSKI JULIUS

Director · SONO, MA, MAT

As of 2026-09-16, GENACHOWSKI JULIUS has 32 Form 4 transactions on record across 3 companies — 20 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 sales filed in July in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $5.3MIndirect: $1.5M$6.7Mas of 2026-09-16
  • Direct $5.3M
  • Indirect $1.5M
MAdirect8,978 sh$5.1M
SONOindirect92,484 sh$1.4M
MATdirect11,753 sh$155K
MAindirect45 sh$26K

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

SONO · 21 trades
2026-07-29: Sale, 19,855 sh ($338K)2026-07-29: Option exercise, 19,855 sh ($269K)2026-07-29: Option exercise, 19,855 sh ($0)2026-07-28: Sale, 19,855 sh ($328K)2026-07-28: Option exercise, 19,855 sh ($269K)2026-07-28: Option exercise, 19,855 sh ($0)2026-03-06: Gift, 15,427 sh ($0)2026-03-06: Gift, 15,427 sh ($0)2026-03-05: Award / grant, 12,725 sh2026-03-05: Award / grant, 4,772 sh2026-03-05: Award / grant, 12,725 sh2026-03-05: Award / grant, 4,772 sh2025-11-10: Gift, 77,057 sh ($0)2025-11-10: Gift, 77,057 sh ($0)2025-11-07: Gift, 1,550 sh ($0)2025-11-07: Gift, 1,550 sh ($0)2025-09-02: Award / grant, 5,916 sh2025-09-02: Award / grant, 5,916 sh2025-08-08: Purchase, 22,850 sh ($250K)2025-03-11: Award / grant, 15,427 sh2025-03-11: Award / grant, 15,427 sh
MA · 8 trades
2026-06-16: Award / grant, 509 sh ($0)2025-10-31: Gift, 45 sh ($0)2025-10-31: Gift, 45 sh ($0)2025-07-07: Sale, 312 sh ($178K)2025-06-24: Sale, 310 sh ($174K)2025-06-24: Award / grant, 458 sh ($0)2025-02-14: Gift, 180 sh ($0)2025-02-14: Gift, 180 sh ($0)
MAT · 3 trades
2026-05-28: Award / grant, 11,753 sh ($0)2025-05-28: Award / grant, 6,305 sh ($120K)2025-05-28: Award / grant, 9,196 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-07-29SONOSale19,855 @ $17.00$338K−27.0% of holding53,775Form 4
2026-07-28SONOSale19,855 @ $16.50$328K−27.0% of holding53,775Form 4
2025-08-08SONOPurchase22,850 @ $10.95$250K+22.5% of holding124,396Form 4
2025-07-07MASale312 @ $570.67$178K−3.6% of holding8,469Form 4
2025-06-24MASale310 @ $561.00$174K−3.6% of holding8,323Form 4
27 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-29SONOOption exercise19,85573,630Form 4
2026-07-29SONOOption exercise19,8550Form 4
2026-07-28SONOOption exercise19,85573,630Form 4
2026-07-28SONOOption exercise19,85519,855Form 4
2026-06-16MAAward / grant5098,978Form 4
2026-05-28MATAward / grant11,75311,753Form 4
2026-03-06SONOGift15,42792,484Form 4
2026-03-06SONOGift15,42753,775Form 4
2026-03-05SONOAward / grant12,72564,430Form 4
2026-03-05SONOAward / grant4,77269,202Form 4
2026-03-05SONOAward / grant12,72564,430Form 4
2026-03-05SONOAward / grant4,77269,202Form 4
2025-11-10SONOGift77,05751,705Form 4
2025-11-10SONOGift77,05777,057Form 4
2025-11-07SONOGift1,550128,762Form 4
2025-11-07SONOGift1,5501,550Form 4
2025-10-31MAGift451,745Form 4
2025-10-31MAGift4545Form 4
2025-09-02SONOAward / grant5,916130,312Form 4
2025-09-02SONOAward / grant5,916130,312Form 4
2025-06-24MAAward / grant4588,781Form 4
2025-05-28MATAward / grant6,3056,305Form 4
2025-05-28MATAward / grant9,1969,196Form 4
2025-03-11SONOAward / grant15,427101,546Form 4
2025-03-11SONOAward / grant15,427101,546Form 4
2025-02-14MAGift1802,150Form 4
2025-02-14MAGift1808,453Form 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.