NDAQ insider buying and SEC filings, explained
Nasdaq, Inc. · CIK 1120193
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Security & Commodity Brokers, Dealers, Exchanges & Services
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- NASDAQ OMX GROUP, INC.; NASDAQ STOCK MARKET INC
Insider activity in the last 12 months
Bought
$21.7M
Insiders who bought
2
Sold (not marked 10b5-1)
$9.8M
Planned sales (10b5-1)
$79.1M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 27, 2026 | Sale | Bradley J Peterson (EVP, CIO) sold 3,987 shares at $104.75 ($418K). Holdings down 3% to 114,306 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 29, 2026, 4:05 PM ET |
| Oct 23, 2026 | Sale | Cohen Tal (Pres. Market Platforms) sold 10,390 shares at about $103.34 ($1.1M). Holdings down 5% to 205,076 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 27, 2026, 4:05 PM ET |
| Oct 23, 2026 | Sale | Bradley J Peterson (EVP, CIO) sold 4,000 shares at $103.38 ($414K). Holdings down 3% to 118,293 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 27, 2026, 4:05 PM ET |
| Oct 20, 2026 | Planned (10b5-1) | Jeremy Skule (EVP, CSO) sold 1,125 shares at $95.00 ($107K), marked as a 10b5-1 plan trade. Holdings down 1% to 96,561 shares. | SEC filing Filed Oct 22, 2026, 4:05 PM ET |
| Oct 12, 2026 | Planned (10b5-1) | Jeremy Skule (EVP, CSO) sold 1,125 shares at $94.13 ($106K), marked as a 10b5-1 plan trade. Holdings down 1% to 97,686 shares. | SEC filing Filed Oct 14, 2026, 4:05 PM ET |
| Sep 22, 2026 | Planned (10b5-1) | Jeremy Skule (EVP, CSO) sold 1,125 shares at $95.00 ($107K), marked as a 10b5-1 plan trade. Holdings down 1% to 100,073 shares. | SEC filing Filed Sep 24, 2026 |
| Sep 10, 2026 | Planned (10b5-1) | Jeremy Skule (EVP, CSO) sold 1,125 shares at $94.22 ($106K), marked as a 10b5-1 plan trade. Holdings down 1% to 101,198 shares. | SEC filing Filed Sep 14, 2026 |
| Aug 10, 2026 | Planned (10b5-1) | Jeremy Skule (EVP, CSO) sold 2,250 shares at about $94.75 ($213K), marked as a 10b5-1 plan trade. Holdings down 2% to 102,323 shares. | SEC filing Filed Aug 12, 2026 |
| Aug 10, 2026 | Sale | PC Nelson Griggs (Pres. Capital Access Platforms) sold 3,226 shares at $96.16 ($310K). Holdings down 2% to 201,775 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 12, 2026 |
| Aug 7, 2026 | Sale | Bradley J Peterson (EVP, CIO) sold 6,000 shares at $95.55 ($573K). Holdings down 5% to 122,293 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 11, 2026 |
| Aug 3, 2026 | Planned (10b5-1) | Bryan Everard Smith (EVP, CPO) sold 1,556 shares at $95.07 ($148K), marked as a 10b5-1 plan trade. Holdings down 2% to 67,647 shares. | SEC filing Filed Aug 5, 2026 |
| Jul 29, 2026 | Sale | PC Nelson Griggs (Pres. Capital Access Platforms) sold 11,010 shares at about $96.35 ($1.1M). Holdings down 5% to 205,001 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 31, 2026 |
| Jul 24, 2026 | Sale | Bradley J Peterson (EVP, CIO) sold 13,000 shares at about $92.61 ($1.2M). Holdings down 9% to 128,293 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 28, 2026 |
| Jul 24–27, 2026 | Sale | PC Nelson Griggs (Pres. Capital Access Platforms) sold 17,787 shares between Jul 24 and Jul 27 at about $93.42 ($1.7M). Holdings down 8% to 216,011 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 28, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Bryan Everard Smith (EVP, CPO) sold 3,000 shares at $80.00 ($240K), marked as a 10b5-1 plan trade. Holdings down 4% to 69,203 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 11, 2026 | Purchase (code P) | Ab Investor (10% owner) bought 56,782 shares indirectly at about $85.98 ($4.9M), reported as a purchase (code P). Indirect holdings up <1% to 58,439,208 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jun 15, 2026 |
| Jun 11, 2026 | Planned (10b5-1) | Bryan Everard Smith (EVP, CPO) sold 3,000 shares at $86.91 ($261K), marked as a 10b5-1 plan trade. Holdings down 4% to 71,944 shares. | SEC filing Filed Jun 15, 2026 |
| May 18, 2026 | Sale | PC Nelson Griggs (Pres. Capital Access Platforms) sold 5,093 shares at $92.62 ($472K). Holdings down 2% to 233,798 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 20, 2026 |
| Apr 28, 2026 | Sale | Bradley J Peterson (EVP, CIO) sold 7,710 shares at $90.82 ($700K). Holdings down 5% to 141,035 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 30, 2026 |
| Apr 27, 2026 | Sale | Cohen Tal (Pres. Market Platforms) sold 15,518 shares at about $90.75 ($1.4M). Holdings down 7% to 215,208 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 29, 2026 |
| Apr 24, 2026 | Sale | Michelle Lynn Daly (SVP, Controller & PAO) sold 1,323 shares at about $88.82 ($118K). Holdings down 12% to 10,089 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 28, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Adena T. Friedman (CEO and Director) sold 113,611 shares at about $85.44 ($9.7M), marked as a 10b5-1 plan trade. Holdings down 5% to 1,965,751 shares. | SEC filing Filed Apr 2, 2026 |
| Mar 6, 2026 | Planned (10b5-1) | Adena T. Friedman (CEO and Director) sold 92,840 shares at about $90.08 ($8.4M), marked as a 10b5-1 plan trade. Holdings down 4% to 2,079,323 shares. | SEC filing Filed Mar 10, 2026 |
| Mar 2, 2026 | Planned (10b5-1) | Bryan Everard Smith (EVP, CPO) sold 6,000 shares at about $87.24 ($523K), marked as a 10b5-1 plan trade. Holdings down 8% to 70,860 shares. | SEC filing Filed Mar 4, 2026 |
| Feb 19, 2026 | Sale | Michelle Lynn Daly (SVP, Controller & PAO) sold 4,339 shares at $81.34 ($353K). Holdings down 29% to 10,643 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 23, 2026 |
| Feb 17, 2026 | Open-market purchase | Johan Torgeby (Director) bought 12,000 shares at $79.86 ($958K) in an open-market purchase. Holdings up 42% to 40,797 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 19, 2026 |
| Feb 13, 2026 | Purchase (code P) | Ab Investor (10% owner) bought 200,000 shares indirectly at about $79.18 ($15.8M), reported as a purchase (code P). Indirect holdings up <1% to 58,382,426 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 13, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Adena T. Friedman (CEO and Director) sold 300,000 shares at about $96.91 ($29.1M), marked as a 10b5-1 plan trade. Holdings down 13% to 1,924,903 shares. | SEC filing Filed Feb 3, 2026 |
| Jan 6, 2026 | Planned (10b5-1) | John Zecca (EVP, Global CLO) sold 4,500 shares at $100.01 ($450K), marked as a 10b5-1 plan trade. Holdings down 3% to 125,674 shares. | SEC filing Filed Jan 8, 2026 |
| Jan 2, 2026 | Planned (10b5-1) | Adena T. Friedman (CEO and Director) sold 300,000 shares at about $96.39 ($28.9M), marked as a 10b5-1 plan trade. Holdings down 13% to 1,924,903 shares. | SEC filing Filed Jan 6, 2026 |
| Dec 1, 2025 | Planned (10b5-1) | Bryan Everard Smith (EVP, CPO) sold 4,633 shares at $90.57 ($420K), marked as a 10b5-1 plan trade. Holdings down 7% to 57,670 shares. | SEC filing Filed Dec 3, 2025 |
| Dec 1, 2025 | Planned (10b5-1) | Jeremy Skule (EVP, CSO) sold 2,105 shares at $90.57 ($191K), marked as a 10b5-1 plan trade. Holdings down 2% to 82,869 shares. | SEC filing Filed Dec 3, 2025 |
| Nov 3, 2025 | Planned (10b5-1) | Jeremy Skule (EVP, CSO) sold 2,105 shares at $85.40 ($180K), marked as a 10b5-1 plan trade. Holdings down 2% to 84,974 shares. | SEC filing Filed Nov 5, 2025 |
44 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$16.8M in purchases since Feb 13, 2026 · Purchases traded Feb 13, 2026 to Feb 17, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Ab Investor (10% owner) | $15.8M | Feb 13, 2026 | SEC filing |
| Johan Torgeby (Director) | $958K | Feb 17, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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