SONNE STEPHEN
Officer · PDYN
As of 2026-09-16, SONNE STEPHEN has 15 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 August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $1.9M
- Indirect $0
| PDYN | direct | 340,690 sh | $1.9M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-21 | PDYN | Sale | 5,341 @ $6.16 | $33K | −1.5% of holding | 340,690 | Form 4 |
| 2026-05-21 | PDYN | Sale | 5,245 @ $6.14 | $32K | −2.6% of holding | 197,490 | Form 4 |
| 2026-03-30 | PDYN | Sale | 3,471 @ $5.55 | $19K | −1.7% of holding | 202,735 | Form 4 |
| 2026-03-12 | PDYN | Sale | 6,802 @ $7.55 | $51K | −3.2% of holding | 206,206 | Form 4 |
| 2025-11-21 | PDYN | Sale | 3,411 @ $5.11 | $17K | −1.8% of holding | 187,008 | Form 4 |
| 2025-08-21 | PDYN | Sale | 3,236 @ $7.42 | $24K | −1.7% of holding | 190,419 | Form 4 |
| 2025-05-20 | PDYN | Sale | 3,422 @ $7.24 | $25K | −1.7% of holding | 192,655 | Form 4 |
| 2025-03-31 | PDYN | Sale | 1,141 @ $5.82 | $7K | −0.6% of holding | 196,077 | Form 4 |
| 2025-02-24 | PDYN | Sale | 10,529 @ $7.03 | $74K | −7.6% of holding | 127,218 | Form 4 |
6 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-08 | PDYN | Award / grant | 147,541 | 346,031 | Form 4 |
| 2026-06-01 | PDYN | Award / grant | 1,000 | 198,490 | Form 4 |
| 2026-03-10 | PDYN | Award / grant | 25,000 | 213,008 | Form 4 |
| 2025-12-01 | PDYN | Award / grant | 1,000 | 188,008 | Form 4 |
| 2025-06-01 | PDYN | Award / grant | 1,000 | 193,655 | Form 4 |
| 2025-03-10 | PDYN | Award / grant | 70,000 | 197,218 | 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.