Raykov Rosty
Director · Other reporting person · FENC
As of 2026-09-16, Raykov Rosty has 64 Form 4 transactions on record across 1 company — 40 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 $1.3M
- Indirect $0
| FENC | direct | 124,411 sh | $1.3M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-01 | FENC | Sale | 10,000 @ $12.11 | $121K | −7.4% of holding | 124,411 | Form 4 |
| 2026-08-03 | FENC | Sale | 10,000 @ $9.58 | $96K | −7.1% of holding | 131,633 | Form 4 |
| 2026-07-01 | FENC | Sale | 9,599 @ $10.41 | $100K | −6.5% of holding | 138,855 | Form 4 |
| 2026-06-01 | FENC | Sale | 9,747 @ $9.62 | $94K | −7.0% of holding | 130,079 | Form 4 |
| 2026-05-01 | FENC | Sale | 10,781 @ $6.47 | $70K | −8.2% of holding | 121,451 | Form 4 |
| 2026-04-01 | FENC | Sale | 10,946 @ $6.31 | $69K | −8.8% of holding | 113,856 | Form 4 |
| 2026-03-02 | FENC | Sale | 10,079 @ $8.36 | $84K | −8.8% of holding | 103,996 | Form 4 |
| 2026-02-02 | FENC | Sale | 10,349 @ $7.76 | $80K | −9.5% of holding | 98,477 | Form 4 |
| 2026-01-02 | FENC | Sale | 10,312 @ $7.60 | $78K | −10.5% of holding | 88,020 | Form 4 |
| 2025-12-05 | FENC | Sale | 10,000 @ $7.54 | $75K | −11.4% of holding | 77,526 | Form 4 |
| 2025-11-05 | FENC | Sale | 10,000 @ $8.10 | $81K | −10.8% of holding | 82,318 | Form 4 |
| 2025-10-06 | FENC | Sale | 10,000 @ $9.78 | $98K | −10.8% of holding | 82,501 | Form 4 |
| 2025-09-04 | FENC | Sale | 10,000 @ $8.92 | $89K | −16.4% of holding | 51,086 | Form 4 |
| 2025-08-05 | FENC | Sale | 10,000 @ $8.09 | $81K | −15.2% of holding | 55,878 | Form 4 |
| 2025-07-03 | FENC | Sale | 10,000 @ $8.61 | $86K | −14.2% of holding | 60,670 | Form 4 |
| 2025-06-05 | FENC | Sale | 10,000 @ $7.78 | $78K | −13.3% of holding | 65,462 | Form 4 |
| 2025-05-16 | FENC | Sale | 16,667 @ $6.78 | $113K | −19.2% of holding | 70,254 | Form 4 |
| 2025-05-05 | FENC | Sale | 10,000 @ $6.31 | $63K | −15.7% of holding | 53,587 | Form 4 |
| 2025-04-04 | FENC | Sale | 10,000 @ $5.25 | $53K | −14.1% of holding | 61,156 | Form 4 |
| 2025-03-05 | FENC | Sale | 10,000 @ $6.79 | $68K | −12.7% of holding | 68,725 | Form 4 |
| 2025-02-05 | FENC | Sale | 10,000 @ $6.66 | $67K | −11.6% of holding | 76,294 | Form 4 |
| 2025-01-06 | FENC | Sale | 7,569 @ $6.08 | $46K | −8.3% of holding | 83,863 | Form 4 |
| 2025-01-06 | FENC | Sale | 2,431 @ $6.08 | $15K | −2.6% of holding | 91,432 | Form 4 |
| 2024-12-05 | FENC | Sale | 796 @ $6.04 | $5K | −1.2% of holding | 66,432 | Form 4 |
40 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-31 | FENC | Award / grant | 2,778 | 134,411 | Form 4 |
| 2026-07-31 | FENC | Award / grant | 2,778 | 141,633 | Form 4 |
| 2026-07-01 | FENC | Option exercise | 15,597 | 148,454 | Form 4 |
| 2026-07-01 | FENC | Option exercise | 15,597 | 1,525,000 | Form 4 |
| 2026-07-01 | FENC | Award / grant | 2,778 | 132,857 | Form 4 |
| 2026-06-01 | FENC | Option exercise | 15,597 | 1,556,195 | Form 4 |
| 2026-06-01 | FENC | Option exercise | 15,597 | 139,826 | Form 4 |
| 2026-05-31 | FENC | Award / grant | 2,778 | 124,229 | Form 4 |
| 2026-05-01 | FENC | Option exercise | 15,598 | 1,571,792 | Form 4 |
| 2026-05-01 | FENC | Option exercise | 15,598 | 132,232 | Form 4 |
| 2026-04-30 | FENC | Option exercise | 2,778 | 116,634 | Form 4 |
| 2026-04-01 | FENC | Option exercise | 15,598 | 124,802 | Form 4 |
| 2026-04-01 | FENC | Option exercise | 15,598 | 1,587,390 | Form 4 |
| 2026-03-31 | FENC | Award / grant | 5,208 | 109,204 | Form 4 |
| 2026-03-02 | FENC | Option exercise | 15,598 | 1,587,390 | Form 4 |
| 2026-03-02 | FENC | Option exercise | 15,598 | 114,075 | Form 4 |
| 2026-02-28 | FENC | Award / grant | 5,208 | 109,204 | Form 4 |
| 2026-02-02 | FENC | Option exercise | 15,598 | 108,826 | Form 4 |
| 2026-02-02 | FENC | Option exercise | 15,598 | 1,602,988 | Form 4 |
| 2026-01-31 | FENC | Award / grant | 5,208 | 93,228 | Form 4 |
| 2026-01-02 | FENC | Option exercise | 15,598 | 1,618,586 | Form 4 |
| 2026-01-02 | FENC | Option exercise | 15,598 | 98,332 | Form 4 |
| 2025-12-31 | FENC | Award / grant | 5,208 | 82,734 | Form 4 |
| 2025-12-01 | FENC | Award / grant | 5,208 | 87,526 | Form 4 |
| 2025-10-31 | FENC | Award / grant | 5,208 | 92,318 | Form 4 |
| 2025-10-08 | FENC | Option exercise | 4,609 | 87,110 | Form 4 |
| 2025-10-08 | FENC | Option exercise | 4,609 | 1,634,184 | Form 4 |
| 2025-09-30 | FENC | Award / grant | 5,208 | 92,501 | Form 4 |
| 2025-09-05 | FENC | Option exercise | 36,207 | 1,638,793 | Form 4 |
| 2025-09-05 | FENC | Option exercise | 36,207 | 87,293 | Form 4 |
| 2025-08-31 | FENC | Award / grant | 5,208 | 61,086 | Form 4 |
| 2025-07-31 | FENC | Award / grant | 5,208 | 65,878 | Form 4 |
| 2025-06-30 | FENC | Award / grant | 5,208 | 70,670 | Form 4 |
| 2025-05-31 | FENC | Award / grant | 5,208 | 75,462 | Form 4 |
| 2025-05-16 | FENC | Award / grant | 33,334 | 86,921 | Form 4 |
| 2025-04-30 | FENC | Award / grant | 2,431 | 63,587 | Form 4 |
| 2025-03-31 | FENC | Award / grant | 2,431 | 71,156 | Form 4 |
| 2025-02-28 | FENC | Award / grant | 2,431 | 78,725 | Form 4 |
| 2025-01-31 | FENC | Award / grant | 2,431 | 86,294 | Form 4 |
| 2024-12-31 | FENC | Award / grant | 2,431 | 93,863 | 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.