de Masi Niccolo

Director · Officer · IONQ, RSI, PL

As of 2026-09-16, de Masi Niccolo has 24 Form 4 transactions on record across 3 companies — 6 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

Direct: $42.0MIndirect: $23.6M$65.6Mas of 2026-09-16
  • Direct $42.0M
  • Indirect $23.6M
IONQdirect1,123,426 sh$41.4M
PLindirect1,470,933 sh$23.6M
RSIdirect23,171 sh$600K

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

RSI · 12 trades
2026-03-14: Award / grant, 7,968 sh ($0)2025-07-31: Sale, 446,094 sh ($8.2M)2025-07-08: Sale, 58,453 sh ($893K)2025-07-07: Sale, 276,163 sh ($4.2M)2025-07-03: Sale, 111,478 sh ($1.7M)2025-06-20: Sale, 29,696 sh ($413K)2025-06-18: Sale, 286,769 sh ($4.0M)2025-06-17: Sale, 224,337 sh ($3.1M)2025-06-16: Sale, 180,362 sh ($2.5M)2025-06-13: Sale, 171,023 sh ($2.3M)2025-05-29: Award / grant, 10,958 sh ($0)2025-02-24: Award / grant, 4,245 sh ($0)
IONQ · 10 trades
2026-09-11: Withheld for tax, 16,121 sh ($598K)2026-06-11: Withheld for tax, 16,120 sh ($906K)2026-03-11: Withheld for tax, 20,785 sh ($723K)2026-02-20: Award / grant, 11,556 sh ($0)2025-12-11: Withheld for tax, 16,290 sh ($822K)2025-09-11: Sale, 16,120 sh ($716K)2025-08-13: Award / grant, 485,319 sh ($0)2025-06-11: Sale, 2,597,500 sh ($104.8M)2025-06-09: Sale, 9,280 sh ($392K)2025-02-26: Award / grant, 668,226 sh ($0)
PL · 2 trades
2025-06-13: Sale, 3,800 sh ($2K)2025-06-12: Sale, 8,600 sh ($6K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-09-11IONQSale16,120 @ $44.40$716K−1.3% of holding1,181,186Form 4
2025-07-31RSISale446,094 @ $18.35$8.2M−100.0% of holding0Form 4
2025-07-08RSISale58,453 @ $15.28$893K−11.6% of holding446,094Form 4
2025-07-07RSISale276,163 @ $15.15$4.2M−35.4% of holding504,547Form 4
2025-07-03RSISale111,478 @ $15.10$1.7M−12.5% of holding780,710Form 4
2025-06-20RSISale29,696 @ $13.90$413K−3.2% of holding892,188Form 4
2025-06-18RSISale286,769 @ $14.08$4.0M−23.7% of holding921,884Form 4
2025-06-17RSISale224,337 @ $13.92$3.1M−15.7% of holding1,208,653Form 4
2025-06-16RSISale180,362 @ $13.70$2.5M−11.2% of holding1,432,990Form 4
2025-06-13RSISale171,023 @ $13.37$2.3M−9.6% of holding1,613,352Form 4
2025-06-13PLSale3,800 @ $0.64$2K−0.3% of holding1,470,933Form 4
2025-06-12PLSale8,600 @ $0.68$6K−0.6% of holding1,474,733Form 4
2025-06-11IONQSale2,597,500 @ $40.34$104.8M−100.0% of holding0Form 4
2025-06-09IONQSale9,280 @ $42.23$392K−1.3% of holding711,987Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-11IONQWithheld for tax16,1211,123,426Form 4
2026-06-11IONQWithheld for tax16,1201,139,547Form 4
2026-03-14RSIAward / grant7,96823,171Form 4
2026-03-11IONQWithheld for tax20,7851,155,667Form 4
2026-02-20IONQAward / grant11,5561,176,452Form 4
2025-12-11IONQWithheld for tax16,2901,164,896Form 4
2025-08-13IONQAward / grant485,3191,197,306Form 4
2025-05-29RSIAward / grant10,95815,203Form 4
2025-02-26IONQAward / grant668,226721,267Form 4
2025-02-24RSIAward / grant4,2454,245Form 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.