SAKAMOTO RYAN T.
Officer · ZIP
As of 2026-09-16, SAKAMOTO RYAN T. has 94 Form 4 transactions on record across 1 company — 47 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 August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $354K
- Indirect $0
| ZIP | direct | 92,543 sh | $354K |
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
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | ZIP | Sale | 2,978 @ $4.39 | $13K | −2.4% of holding | 119,112 | Form 4 |
| 2026-07-24 | ZIP | Sale | 3,547 @ $3.91 | $14K | −2.8% of holding | 122,090 | Form 4 |
| 2026-06-25 | ZIP | Sale | 2,978 @ $3.86 | $11K | −2.3% of holding | 125,637 | Form 4 |
| 2026-05-26 | ZIP | Sale | 2,914 @ $3.17 | $9K | −2.4% of holding | 118,072 | Form 4 |
| 2026-04-24 | ZIP | Sale | 2,978 @ $2.91 | $9K | −2.4% of holding | 120,986 | Form 4 |
| 2026-03-18 | ZIP | Sale | 2,495 @ $2.56 | $6K | −2.0% of holding | 123,964 | Form 4 |
| 2026-02-18 | ZIP | Sale | 2,978 @ $1.93 | $6K | −2.5% of holding | 115,620 | Form 4 |
| 2026-01-20 | ZIP | Sale | 2,169 @ $2.62 | $6K | −1.8% of holding | 118,598 | Form 4 |
| 2025-12-17 | ZIP | Sale | 2,495 @ $4.77 | $12K | −2.0% of holding | 120,767 | Form 4 |
| 2025-11-19 | ZIP | Sale | 2,441 @ $4.10 | $10K | −2.1% of holding | 115,815 | Form 4 |
| 2025-10-17 | ZIP | Sale | 2,169 @ $4.32 | $9K | −1.8% of holding | 118,256 | Form 4 |
| 2025-09-17 | ZIP | Sale | 2,495 @ $5.30 | $13K | −2.0% of holding | 120,425 | Form 4 |
| 2025-08-18 | ZIP | Sale | 2,169 @ $4.38 | $10K | −1.8% of holding | 115,473 | Form 4 |
| 2025-07-18 | ZIP | Sale | 2,978 @ $4.60 | $14K | −2.5% of holding | 117,642 | Form 4 |
| 2025-06-17 | ZIP | Sale | 2,495 @ $5.43 | $14K | −2.0% of holding | 120,620 | Form 4 |
| 2025-05-19 | ZIP | Sale | 2,169 @ $5.60 | $12K | −1.9% of holding | 112,690 | Form 4 |
| 2025-04-21 | ZIP | Sale | 2,646 @ $5.44 | $14K | −2.3% of holding | 114,859 | Form 4 |
| 2025-03-17 | ZIP | Sale | 2,502 @ $6.05 | $15K | −2.1% of holding | 117,505 | Form 4 |
| 2025-02-19 | ZIP | Sale | 2,495 @ $7.35 | $18K | −2.2% of holding | 109,907 | Form 4 |
| 2025-01-21 | ZIP | Sale | 1,925 @ $6.97 | $13K | −1.7% of holding | 110,411 | Form 4 |
| 2024-12-19 | ZIP | Sale | 1,072 @ $7.58 | $8K | −0.9% of holding | 112,336 | Form 4 |
73 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-15 | ZIP | Withheld for tax | 12,207 | 129,655 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 5,841 | 52,563 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 4,553 | 22,765 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 5,237 | 5,237 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 7,119 | 92,543 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 7,119 | 141,862 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 5,841 | 134,743 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 4,553 | 128,902 | Form 4 |
| 2026-09-15 | ZIP | Option exercise | 5,237 | 124,349 | Form 4 |
| 2026-06-15 | ZIP | Withheld for tax | 12,207 | 128,615 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 5,237 | 123,309 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 7,119 | 99,662 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 5,841 | 58,404 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 4,553 | 27,318 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 5,237 | 10,474 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 7,119 | 140,822 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 5,841 | 133,703 | Form 4 |
| 2026-06-15 | ZIP | Option exercise | 4,553 | 127,862 | Form 4 |
| 2026-03-15 | ZIP | Withheld for tax | 11,911 | 126,459 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 5,841 | 64,245 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 4,553 | 31,871 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 5,237 | 15,711 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 7,119 | 138,370 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 5,841 | 131,251 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 7,119 | 106,781 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 4,553 | 125,410 | Form 4 |
| 2026-03-15 | ZIP | Option exercise | 5,237 | 120,857 | Form 4 |
| 2026-02-28 | ZIP | Award / grant | 45,550 | 45,550 | Form 4 |
| 2026-02-28 | ZIP | Award / grant | 113,900 | 113,900 | Form 4 |
| 2025-12-15 | ZIP | Withheld for tax | 8,184 | 123,262 | Form 4 |
| 2025-12-15 | ZIP | Option exercise | 5,841 | 131,446 | Form 4 |
| 2025-12-15 | ZIP | Option exercise | 5,841 | 70,086 | Form 4 |
| 2025-12-15 | ZIP | Option exercise | 4,553 | 36,424 | Form 4 |
| 2025-12-15 | ZIP | Option exercise | 5,237 | 20,948 | Form 4 |
| 2025-12-15 | ZIP | Option exercise | 4,553 | 125,605 | Form 4 |
| 2025-12-15 | ZIP | Option exercise | 5,237 | 121,052 | Form 4 |
| 2025-09-15 | ZIP | Withheld for tax | 8,184 | 122,920 | Form 4 |
| 2025-09-15 | ZIP | Option exercise | 4,553 | 40,977 | Form 4 |
| 2025-09-15 | ZIP | Option exercise | 5,237 | 26,185 | Form 4 |
| 2025-09-15 | ZIP | Option exercise | 5,841 | 131,104 | Form 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.