Company insider · SEC Form 4

Niccolo de Masi

IonQ, Inc. (IONQ) · Rush Street Interactive, Inc. (RSI)

SEC Form 4 data · Jul 01, 2024 – Jun 30, 2026

Niccolo de Masi's stock sales and purchases

Every open-market purchase and sale Niccolo de Masi reported on Form 4 over two years, as SEC lists the filer: “de Masi Niccolo”. Grants, option exercises and gifts are not trades and are left out.

Bought
—
Sold
$133.2M
Trades
12
Sales on a 10b5-1 plan
83%

IONQIonQ, Inc.President and CEO

3 sales worth $105.9M (1 on a 10b5-1 plan). Largest sale: $104.8M on Jun 11, 2025.

QuarterBoughtSold
Q3 2025—−$715.7K1 sale
Q2 2025—−$105.2M2 sales · 1 on a plan

Most recent trades3

  • Niccolo de Masi

    President and CEO · Director

    −$715.7K

    Sep 11, 2025

    16,120 sh · $44.40

  • Niccolo de Masi10b5-1

    President and CEO · Director

    −$104.8M

    Jun 11, 2025

    2,597,500 sh · $40.34

  • Niccolo de Masi

    President and CEO · Director

    −$391.9K

    Jun 09, 2025

    9,280 sh · $42.23

RSIRush Street Interactive, Inc.Director

9 sales worth $27.3M (all on a 10b5-1 plan). Largest sale: $8.2M on Jul 31, 2025.

QuarterBoughtSold
Q3 2025—−$14.9M4 sales · all on a plan
Q2 2025—−$12.3M5 sales · all on a plan

Most recent trades9

  • Niccolo de Masi10b5-1

    Director

    −$8.2M

    Jul 31, 2025

    446,094 sh · $18.35

  • Niccolo de Masi10b5-1

    Director

    −$893.2K

    Jul 08, 2025

    58,453 sh · $15.28

  • Niccolo de Masi10b5-1

    Director

    −$4.2M

    Jul 07, 2025

    276,163 sh · $15.15

  • Niccolo de Masi10b5-1

    Director

    −$1.7M

    Jul 03, 2025

    111,478 sh · $15.10

  • Niccolo de Masi10b5-1

    Director

    −$412.8K

    Jun 20, 2025

    29,696 sh · $13.90

  • Niccolo de Masi10b5-1

    Director

    −$4M

    Jun 18, 2025

    286,769 sh · $14.08

  • Niccolo de Masi10b5-1

    Director

    −$3.1M

    Jun 17, 2025

    224,337 sh · $13.92

  • Niccolo de Masi10b5-1

    Director

    −$2.5M

    Jun 16, 2025

    180,362 sh · $13.70

  • Niccolo de Masi10b5-1

    Director

    −$2.3M

    Jun 13, 2025

    171,023 sh · $13.37

From SEC's quarterly Form 3, 4 and 5 data sets through Jun 30, 2026; newer filings appear on each company's page and the live dashboard. A 10b5-1 plan fixes a sale's dates or amounts in advance. Monitoring, not advice.

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Questions

How much IONQ stock has Niccolo de Masi sold?
Between Jul 01, 2024 and Jun 30, 2026, Niccolo de Masi sold $105.9M of IonQ, Inc. (IONQ) stock in 3 open-market sales, 1 of them under a pre-arranged Rule 10b5-1 trading plan. The largest single sale was $104.8M on Jun 11, 2025.
Has Niccolo de Masi bought IONQ stock?
No open-market purchase of IONQ by Niccolo de Masi appears in SEC's Form 4 data for trades between Jul 01, 2024 and Jun 30, 2026. Share grants and option exercises are not counted as purchases.
How much RSI stock has Niccolo de Masi sold?
Between Jul 01, 2024 and Jun 30, 2026, Niccolo de Masi sold $27.3M of Rush Street Interactive, Inc. (RSI) stock in 9 open-market sales, all of them under a pre-arranged Rule 10b5-1 trading plan. The largest single sale was $8.2M on Jul 31, 2025.
Has Niccolo de Masi bought RSI stock?
No open-market purchase of RSI by Niccolo de Masi appears in SEC's Form 4 data for trades between Jul 01, 2024 and Jun 30, 2026. Share grants and option exercises are not counted as purchases.
Are Niccolo de Masi's stock sales planned in advance?
83% of the sales on record (10 of 12) were marked on the Form 4 as made under a Rule 10b5-1 plan, which fixes dates or amounts months ahead so the sale is not a reaction to that day's news. The rest were timed without one. Neither kind says where the stock is going.
Where does this data come from?
From SEC's quarterly Form 3, 4 and 5 data sets. Company insiders like Niccolo de Masi — SEC lists the filer as "de Masi Niccolo", role President and CEO — must report a trade in their company's stock within two business days. Only open-market purchases (code P) and sales (code S) are counted; grants, option exercises and gifts are not.

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