Howton David T
Officer · SLDB
As of 2026-09-27, Howton David T 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 $766K
- Indirect $0
| SLDB | direct | 105,077 sh | $766K |
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 | 7,469 @ $5.82 | $43K | −6.6% of holding | 105,077 | Form 4 |
| 2026-02-04 | SLDB | Sale | 18,894 @ $6.44 | $122K | −16.2% of holding | 97,859 | Form 4 |
| 2026-02-02 | SLDB | Sale | 37,771 @ $6.44 | $243K | −24.4% of holding | 116,753 | Form 4 |
| 2025-12-03 | SLDB | Sale | 4,932 @ $5.11 | $25K | −13.0% of holding | 32,908 | Form 4 |
| 2025-02-14 | SLDB | Sale | 5,561 @ $3.96 | $22K | −18.3% of holding | 24,789 | Form 4 |
| 2024-12-03 | SLDB | Sale | 5,072 @ $5.60 | $28K | −24.5% of holding | 15,663 | Form 4 |
26 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-02-13 | SLDB | Option exercise | 14,687 | 29,376 | Form 4 |
| 2026-02-13 | SLDB | Option exercise | 14,687 | 112,546 | Form 4 |
| 2026-02-13 | SLDB | Option exercise | 14,687 | 112,546 | Form 4 |
| 2026-01-31 | SLDB | Option exercise | 42,275 | 126,825 | Form 4 |
| 2026-01-31 | SLDB | Option exercise | 42,275 | 154,254 | Form 4 |
| 2026-01-31 | SLDB | Option exercise | 42,275 | 154,254 | Form 4 |
| 2026-01-29 | SLDB | Award / grant | 79,341 | 79,341 | Form 4 |
| 2026-01-29 | SLDB | Award / grant | 210,200 | 210,200 | Form 4 |
| 2026-01-29 | SLDB | Option exercise | 79,341 | 0 | Form 4 |
| 2026-01-29 | SLDB | Award / grant | 105,100 | 105,100 | Form 4 |
| 2026-01-29 | SLDB | Option exercise | 79,341 | 112,249 | Form 4 |
| 2026-01-29 | SLDB | Option exercise | 79,341 | 112,249 | Form 4 |
| 2025-12-02 | SLDB | Option exercise | 13,051 | 13,052 | Form 4 |
| 2025-12-02 | SLDB | Option exercise | 13,051 | 37,840 | Form 4 |
| 2025-12-02 | SLDB | Option exercise | 13,051 | 37,840 | Form 4 |
| 2025-08-14 | SLDB | Award / grant | 75,000 | 75,000 | Form 4 |
| 2025-08-14 | SLDB | Award / grant | 150,000 | 150,000 | Form 4 |
| 2025-02-13 | SLDB | Option exercise | 14,687 | 44,063 | Form 4 |
| 2025-02-13 | SLDB | Option exercise | 14,687 | 30,350 | Form 4 |
| 2025-02-13 | SLDB | Option exercise | 14,687 | 30,350 | Form 4 |
| 2025-01-31 | SLDB | Award / grant | 169,100 | 169,100 | Form 4 |
| 2024-12-02 | SLDB | Option exercise | 13,051 | 26,103 | Form 4 |
| 2024-12-02 | SLDB | Option exercise | 13,051 | 20,735 | Form 4 |
| 2024-12-02 | SLDB | Option exercise | 13,051 | 20,735 | Form 4 |
| 2024-02-13 | SLDB | Award / grant | 58,750 | 58,750 | Form 4 |
| 2024-02-13 | SLDB | Award / grant | 117,500 | 117,500 | 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.