Welgus Howard G.
Director · ARQT
As of 2026-09-16, Welgus Howard G. has 53 Form 4 transactions on record across 1 company — 35 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 $530K
- Indirect $0
| ARQT | direct | 20,287 sh | $530K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-17 | ARQT | Sale | 4,730 @ $26.18 | $124K | −11.5% of holding | 36,475 | Form 4 |
| 2026-07-15 | ARQT | Sale | 4,730 @ $26.91 | $127K | −11.3% of holding | 37,109 | Form 4 |
| 2026-06-17 | ARQT | Sale | 635 @ $25.67 | $16K | −1.7% of holding | 37,743 | Form 4 |
| 2026-06-15 | ARQT | Sale | 4,096 @ $24.41 | $100K | −9.6% of holding | 38,378 | Form 4 |
| 2026-05-01 | ARQT | Sale | 7,144 @ $22.99 | $164K | −18.0% of holding | 32,600 | Form 4 |
| 2026-04-01 | ARQT | Sale | 10,000 @ $23.88 | $239K | −20.1% of holding | 39,744 | Form 4 |
| 2026-03-02 | ARQT | Sale | 10,000 @ $25.65 | $257K | −16.7% of holding | 49,744 | Form 4 |
| 2026-02-02 | ARQT | Sale | 10,000 @ $25.05 | $250K | −14.3% of holding | 59,744 | Form 4 |
| 2026-01-02 | ARQT | Sale | 10,000 @ $28.96 | $290K | −12.5% of holding | 69,744 | Form 4 |
| 2025-12-01 | ARQT | Sale | 10,000 @ $30.21 | $302K | −11.1% of holding | 79,744 | Form 4 |
| 2025-11-03 | ARQT | Sale | 10,000 @ $25.27 | $253K | −10.0% of holding | 89,744 | Form 4 |
| 2025-10-01 | ARQT | Sale | 9,538 @ $18.92 | $180K | −8.7% of holding | 100,206 | Form 4 |
| 2025-10-01 | ARQT | Sale | 462 @ $18.92 | $9K | −0.5% of holding | 99,744 | Form 4 |
| 2025-09-02 | ARQT | Sale | 10,000 @ $15.64 | $156K | −9.1% of holding | 100,206 | Form 4 |
| 2025-08-01 | ARQT | Sale | 6,110 @ $14.30 | $87K | −5.7% of holding | 100,206 | Form 4 |
| 2025-08-01 | ARQT | Sale | 3,890 @ $14.30 | $56K | −3.7% of holding | 100,206 | Form 4 |
| 2025-07-01 | ARQT | Sale | 9,208 @ $13.84 | $127K | −8.4% of holding | 100,206 | Form 4 |
| 2025-06-18 | ARQT | Sale | 10,139 @ $13.37 | $136K | −8.5% of holding | 109,414 | Form 4 |
| 2025-05-01 | ARQT | Sale | 10,000 @ $14.64 | $146K | −8.2% of holding | 111,944 | Form 4 |
| 2025-04-01 | ARQT | Sale | 10,000 @ $15.12 | $151K | −7.6% of holding | 121,944 | Form 4 |
| 2025-03-03 | ARQT | Sale | 10,000 @ $13.00 | $130K | −7.0% of holding | 131,944 | Form 4 |
| 2025-02-03 | ARQT | Sale | 10,000 @ $12.71 | $127K | −6.6% of holding | 141,944 | Form 4 |
| 2025-01-02 | ARQT | Sale | 10,000 @ $14.67 | $147K | −6.2% of holding | 151,944 | Form 4 |
30 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-17 | ARQT | Option exercise | 2,255 | 41,205 | Form 4 |
| 2026-08-17 | ARQT | Option exercise | 1,019 | 38,950 | Form 4 |
| 2026-08-17 | ARQT | Option exercise | 822 | 37,931 | Form 4 |
| 2026-08-17 | ARQT | Option exercise | 822 | 7,396 | Form 4 |
| 2026-08-17 | ARQT | Option exercise | 2,255 | 20,287 | Form 4 |
| 2026-08-17 | ARQT | Option exercise | 1,019 | 9,163 | Form 4 |
| 2026-07-15 | ARQT | Option exercise | 2,255 | 41,839 | Form 4 |
| 2026-07-15 | ARQT | Option exercise | 1,019 | 39,584 | Form 4 |
| 2026-07-15 | ARQT | Option exercise | 822 | 38,565 | Form 4 |
| 2026-07-15 | ARQT | Option exercise | 822 | 8,218 | Form 4 |
| 2026-07-15 | ARQT | Option exercise | 1,019 | 10,182 | Form 4 |
| 2026-07-15 | ARQT | Option exercise | 2,255 | 22,542 | Form 4 |
| 2026-06-15 | ARQT | Option exercise | 2,255 | 42,474 | Form 4 |
| 2026-06-15 | ARQT | Option exercise | 1,019 | 40,219 | Form 4 |
| 2026-06-15 | ARQT | Option exercise | 822 | 39,200 | Form 4 |
| 2026-06-15 | ARQT | Option exercise | 822 | 9,040 | Form 4 |
| 2026-06-15 | ARQT | Option exercise | 1,019 | 11,201 | Form 4 |
| 2026-06-15 | ARQT | Option exercise | 2,255 | 24,797 | Form 4 |
| 2026-06-05 | ARQT | Award / grant | 16,667 | 16,667 | Form 4 |
| 2026-06-05 | ARQT | Award / grant | 5,778 | 38,378 | Form 4 |
| 2025-10-01 | ARQT | Option exercise | 9,538 | 109,744 | Form 4 |
| 2025-10-01 | ARQT | Option exercise | 9,538 | 0 | Form 4 |
| 2025-09-02 | ARQT | Option exercise | 10,000 | 0 | Form 4 |
| 2025-09-02 | ARQT | Option exercise | 10,000 | 110,206 | Form 4 |
| 2025-08-01 | ARQT | Option exercise | 3,890 | 0 | Form 4 |
| 2025-08-01 | ARQT | Option exercise | 6,110 | 0 | Form 4 |
| 2025-08-01 | ARQT | Option exercise | 3,890 | 104,096 | Form 4 |
| 2025-08-01 | ARQT | Option exercise | 6,110 | 106,316 | Form 4 |
| 2025-06-12 | ARQT | Award / grant | 7,609 | 119,553 | Form 4 |
| 2025-06-12 | ARQT | Award / grant | 20,568 | 20,568 | 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.