Yu Jonathan Yen-Wen
Officer · IRON
As of 2026-09-27, Yu Jonathan Yen-Wen has 38 Form 4 transactions on record across 1 company — 33 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 $903K
- Indirect $0
| IRON | direct | 13,847 sh | $903K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | IRON | Sale | 8,796 @ $83.12 | $731K | −13.9% of holding | 54,324 | Form 4 |
| 2026-08-24 | IRON | Sale | 300 @ $82.53 | $25K | −0.5% of holding | 54,324 | Form 4 |
| 2026-08-12 | IRON | Sale | 804 @ $82.64 | $66K | −1.5% of holding | 54,324 | Form 4 |
| 2026-07-07 | IRON | Sale | 100 @ $82.50 | $8K | −0.2% of holding | 54,324 | Form 4 |
| 2026-06-26 | IRON | Sale | 300 @ $72.50 | $22K | −0.5% of holding | 54,324 | Form 4 |
| 2026-06-22 | IRON | Sale | 9,700 @ $72.66 | $705K | −15.2% of holding | 54,324 | Form 4 |
| 2026-06-16 | IRON | Sale | 11,651 @ $68.76 | $801K | −16.0% of holding | 61,285 | Form 4 |
| 2026-06-16 | IRON | Sale | 6,961 @ $69.92 | $487K | −11.4% of holding | 54,324 | Form 4 |
| 2026-02-17 | IRON | Sale | 3,231 @ $62.86 | $203K | −5.6% of holding | 54,324 | Form 4 |
| 2025-11-11 | IRON | Sale | 9,360 @ $85.33 | $799K | −16.2% of holding | 48,595 | Form 4 |
| 2025-11-11 | IRON | Sale | 8,040 @ $85.91 | $691K | −16.5% of holding | 40,555 | Form 4 |
| 2025-11-11 | IRON | Sale | 8,015 @ $83.15 | $666K | −11.4% of holding | 62,540 | Form 4 |
| 2025-11-11 | IRON | Sale | 4,585 @ $83.99 | $385K | −7.3% of holding | 57,955 | Form 4 |
| 2025-02-18 | IRON | Sale | 1,610 @ $54.58 | $88K | −3.8% of holding | 40,555 | Form 4 |
24 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-25 | IRON | Option exercise | 8,796 | 63,120 | Form 4 |
| 2026-08-25 | IRON | Option exercise | 8,796 | 13,847 | Form 4 |
| 2026-08-24 | IRON | Option exercise | 300 | 54,624 | Form 4 |
| 2026-08-24 | IRON | Option exercise | 300 | 22,643 | Form 4 |
| 2026-08-12 | IRON | Option exercise | 804 | 55,128 | Form 4 |
| 2026-08-12 | IRON | Option exercise | 804 | 22,943 | Form 4 |
| 2026-07-07 | IRON | Option exercise | 100 | 54,424 | Form 4 |
| 2026-07-07 | IRON | Option exercise | 100 | 23,747 | Form 4 |
| 2026-06-26 | IRON | Option exercise | 300 | 54,624 | Form 4 |
| 2026-06-26 | IRON | Option exercise | 300 | 23,847 | Form 4 |
| 2026-06-22 | IRON | Option exercise | 9,700 | 64,024 | Form 4 |
| 2026-06-22 | IRON | Option exercise | 9,700 | 24,147 | Form 4 |
| 2026-06-16 | IRON | Option exercise | 13,351 | 72,936 | Form 4 |
| 2026-06-16 | IRON | Option exercise | 5,261 | 59,585 | Form 4 |
| 2026-06-16 | IRON | Option exercise | 13,351 | 31,951 | Form 4 |
| 2026-06-16 | IRON | Option exercise | 5,261 | 1,753 | Form 4 |
| 2026-02-10 | IRON | Award / grant | 25,500 | 25,500 | Form 4 |
| 2026-02-10 | IRON | Award / grant | 17,000 | 57,555 | Form 4 |
| 2025-11-11 | IRON | Option exercise | 30,000 | 70,555 | Form 4 |
| 2025-11-11 | IRON | Option exercise | 30,000 | 7,941 | Form 4 |
| 2025-02-10 | IRON | Award / grant | 36,000 | 36,000 | Form 4 |
| 2025-02-10 | IRON | Award / grant | 24,000 | 42,165 | Form 4 |
| 2024-01-10 | IRON | Award / grant | 27,250 | 27,250 | Form 4 |
| 2024-01-10 | IRON | Award / grant | 18,165 | 18,165 | 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.