Jackson Benjamin
Officer · SERA
As of 2026-09-16, Jackson Benjamin has 22 Form 4 transactions on record across 1 company — 9 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 September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $322K
- Indirect $0
| SERA | direct | 159,566 sh | $322K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-10 | SERA | Sale | 2,190 @ $2.00 | $4K | −1.4% of holding | 159,566 | Form 4 |
| 2026-06-11 | SERA | Sale | 2,179 @ $2.01 | $4K | −1.3% of holding | 161,756 | Form 4 |
| 2026-03-11 | SERA | Sale | 1,027 @ $2.04 | $2K | −0.9% of holding | 114,720 | Form 4 |
| 2026-03-09 | SERA | Sale | 3,119 @ $1.96 | $6K | −2.6% of holding | 115,747 | Form 4 |
| 2025-12-10 | SERA | Sale | 892 @ $3.31 | $3K | −0.7% of holding | 118,866 | Form 4 |
| 2025-11-10 | SERA | Sale | 7,059 @ $2.62 | $18K | −5.6% of holding | 119,758 | Form 4 |
| 2025-09-11 | SERA | Sale | 934 @ $3.13 | $3K | −0.7% of holding | 126,817 | Form 4 |
| 2025-08-08 | SERA | Sale | 6,447 @ $2.54 | $16K | −4.8% of holding | 127,751 | Form 4 |
| 2025-06-10 | SERA | Sale | 965 @ $1.48 | $1K | −0.7% of holding | 134,198 | Form 4 |
| 2025-05-08 | SERA | Sale | 7,084 @ $2.44 | $17K | −5.1% of holding | 131,460 | Form 4 |
| 2025-03-06 | SERA | Sale | 2,285 @ $4.16 | $10K | −1.6% of holding | 138,544 | Form 4 |
| 2025-02-13 | SERA | Sale | 5,915 @ $4.58 | $27K | −5.3% of holding | 106,239 | Form 4 |
| 2025-01-14 | SERA | Sale | 8,407 @ $6.20 | $52K | −7.0% of holding | 112,154 | Form 4 |
| 2025-01-13 | SERA | Sale | 7,912 @ $6.38 | $50K | −6.2% of holding | 120,561 | Form 4 |
| 2025-01-10 | SERA | Sale | 12,041 @ $7.36 | $89K | −8.5% of holding | 129,704 | Form 4 |
| 2025-01-10 | SERA | Sale | 1,231 @ $8.05 | $10K | −0.9% of holding | 128,473 | Form 4 |
6 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-29 | SERA | Award / grant | 5,000 | 163,935 | Form 4 |
| 2026-03-12 | SERA | Award / grant | 68,550 | 68,550 | Form 4 |
| 2026-03-12 | SERA | Award / grant | 44,215 | 158,935 | Form 4 |
| 2025-05-30 | SERA | Award / grant | 3,703 | 135,163 | Form 4 |
| 2025-03-05 | SERA | Award / grant | 49,420 | 49,420 | Form 4 |
| 2025-03-05 | SERA | Award / grant | 34,590 | 140,829 | 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.