Tan Kevin
Officer · SLDB
As of 2026-09-27, Tan Kevin has 32 Form 4 transactions on record across 1 company — 19 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 February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $725K
- Indirect $0
| SLDB | direct | 99,422 sh | $725K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-02-18 | SLDB | Sale | 5,404 @ $5.82 | $31K | −5.2% of holding | 99,422 | Form 4 |
| 2026-02-04 | SLDB | Sale | 14,783 @ $6.44 | $95K | −13.6% of holding | 94,201 | Form 4 |
| 2026-02-02 | SLDB | Sale | 26,837 @ $6.44 | $173K | −19.8% of holding | 108,984 | Form 4 |
| 2026-01-13 | SLDB | Sale | 5,704 @ $5.27 | $30K | −11.0% of holding | 46,100 | Form 4 |
| 2025-02-14 | SLDB | Sale | 3,164 @ $3.96 | $13K | −8.9% of holding | 32,250 | Form 4 |
| 2025-01-10 | SLDB | Sale | 4,073 @ $3.89 | $16K | −14.1% of holding | 24,789 | Form 4 |
26 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-02-13 | SLDB | Option exercise | 10,625 | 21,250 | Form 4 |
| 2026-02-13 | SLDB | Option exercise | 10,625 | 104,826 | Form 4 |
| 2026-02-13 | SLDB | Option exercise | 10,625 | 104,826 | Form 4 |
| 2026-01-31 | SLDB | Option exercise | 33,075 | 99,225 | Form 4 |
| 2026-01-31 | SLDB | Option exercise | 33,075 | 135,821 | Form 4 |
| 2026-01-31 | SLDB | Option exercise | 33,075 | 135,821 | Form 4 |
| 2026-01-29 | SLDB | Award / grant | 93,500 | 93,500 | Form 4 |
| 2026-01-29 | SLDB | Option exercise | 56,646 | 0 | Form 4 |
| 2026-01-29 | SLDB | Award / grant | 56,647 | 56,647 | Form 4 |
| 2026-01-29 | SLDB | Award / grant | 187,000 | 187,000 | Form 4 |
| 2026-01-29 | SLDB | Option exercise | 56,646 | 102,746 | Form 4 |
| 2026-01-29 | SLDB | Option exercise | 56,646 | 102,746 | Form 4 |
| 2026-01-09 | SLDB | Option exercise | 11,250 | 11,250 | Form 4 |
| 2026-01-09 | SLDB | Option exercise | 11,250 | 51,804 | Form 4 |
| 2026-01-09 | SLDB | Option exercise | 11,250 | 51,804 | Form 4 |
| 2025-08-14 | SLDB | Award / grant | 62,500 | 62,500 | Form 4 |
| 2025-08-14 | SLDB | Award / grant | 125,000 | 125,000 | Form 4 |
| 2025-02-13 | SLDB | Option exercise | 10,625 | 31,875 | Form 4 |
| 2025-02-13 | SLDB | Option exercise | 10,625 | 35,414 | Form 4 |
| 2025-02-13 | SLDB | Option exercise | 10,625 | 35,414 | Form 4 |
| 2025-01-31 | SLDB | Award / grant | 132,300 | 132,300 | Form 4 |
| 2025-01-09 | SLDB | Option exercise | 11,250 | 22,500 | Form 4 |
| 2025-01-09 | SLDB | Option exercise | 11,250 | 28,862 | Form 4 |
| 2025-01-09 | SLDB | Option exercise | 11,250 | 28,862 | Form 4 |
| 2024-02-13 | SLDB | Award / grant | 42,500 | 42,500 | Form 4 |
| 2024-02-13 | SLDB | Award / grant | 85,000 | 85,000 | 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.