MCCARTHY MICHAEL O III
Officer · QS
As of 2026-09-16, MCCARTHY MICHAEL O III has 40 Form 4 transactions on record across 1 company — 27 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.
Reconstructed holdings
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 |
|---|---|---|---|---|---|---|---|
| 2026-03-06 | QS | Sale | 45,000 @ $6.73 | $303K | −4.5% of holding | 954,219 | Form 4 |
| 2026-03-04 | QS | Sale | 30,000 @ $6.90 | $207K | −2.9% of holding | 999,219 | Form 4 |
| 2025-11-25 | QS | Sale | 40,000 @ $11.79 | $472K | −22.5% of holding | 137,888 | Form 4 |
| 2025-11-24 | QS | Sale | 36,415 @ $11.60 | $423K | −20.9% of holding | 137,888 | Form 4 |
| 2025-11-07 | QS | Sale | 20,435 @ $16.12 | $329K | −12.9% of holding | 137,888 | Form 4 |
| 2025-10-30 | QS | Sale | 50,000 @ $15.78 | $789K | −3.5% of holding | 1,376,118 | Form 4 |
| 2025-10-24 | QS | Sale | 46,264 @ $15.26 | $706K | −3.3% of holding | 1,376,118 | Form 4 |
| 2025-09-12 | QS | Sale | 38,035 @ $9.13 | $347K | −2.6% of holding | 1,397,382 | Form 4 |
| 2025-07-25 | QS | Sale | 500,000 @ $11.60 | $5.8M | −25.4% of holding | 1,467,183 | Form 4 |
| 2025-02-21 | QS | Sale | 76,315 @ $5.23 | $399K | −7.0% of holding | 1,010,523 | Form 4 |
30 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-18 | QS | Withheld for tax | 25,709 | 1,527,774 | Form 4 |
| 2026-05-18 | QS | Withheld for tax | 24,211 | 1,553,152 | Form 4 |
| 2026-04-14 | QS | Award / grant | 103,857 | 1,577,363 | Form 4 |
| 2026-04-14 | QS | Award / grant | 519,287 | 1,473,506 | Form 4 |
| 2026-02-25 | QS | Withheld for tax | 18,393 | 1,029,219 | Form 4 |
| 2026-02-24 | QS | Award / grant | 42,025 | 1,047,612 | Form 4 |
| 2026-02-19 | QS | Withheld for tax | 18,356 | 1,005,587 | Form 4 |
| 2026-02-18 | QS | Withheld for tax | 58,332 | 1,023,943 | Form 4 |
| 2025-11-25 | QS | Gift | 40,000 | 177,888 | Form 4 |
| 2025-11-25 | QS | Gift | 40,000 | 1,081,514 | Form 4 |
| 2025-11-24 | QS | Gift | 36,415 | 174,303 | Form 4 |
| 2025-11-24 | QS | Gift | 36,415 | 1,121,514 | Form 4 |
| 2025-11-18 | QS | Withheld for tax | 59,108 | 1,158,687 | Form 4 |
| 2025-11-18 | QS | Withheld for tax | 758 | 1,157,929 | Form 4 |
| 2025-11-07 | QS | Gift | 158,323 | 158,323 | Form 4 |
| 2025-11-07 | QS | Gift | 158,323 | 1,217,795 | Form 4 |
| 2025-10-30 | QS | Option exercise | 50,000 | 1,426,118 | Form 4 |
| 2025-10-30 | QS | Option exercise | 50,000 | 25,000 | Form 4 |
| 2025-10-24 | QS | Option exercise | 25,000 | 1,422,382 | Form 4 |
| 2025-10-24 | QS | Option exercise | 25,000 | 75,000 | Form 4 |
| 2025-08-18 | QS | Withheld for tax | 31,766 | 1,435,417 | Form 4 |
| 2025-07-25 | QS | Option exercise | 300,000 | 1,967,183 | Form 4 |
| 2025-07-25 | QS | Option exercise | 300,000 | 100,000 | Form 4 |
| 2025-05-16 | QS | Withheld for tax | 64,373 | 1,666,472 | Form 4 |
| 2025-04-08 | QS | Award / grant | 683,370 | 1,730,845 | Form 4 |
| 2025-03-04 | QS | Withheld for tax | 2,841 | 1,047,475 | Form 4 |
| 2025-03-03 | QS | Withheld for tax | 17,034 | 1,050,316 | Form 4 |
| 2025-02-28 | QS | Award / grant | 56,827 | 1,067,350 | Form 4 |
| 2025-02-20 | QS | Withheld for tax | 7,325 | 1,086,838 | Form 4 |
| 2025-02-19 | QS | Withheld for tax | 35,557 | 1,094,163 | 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.