Smith David Byron JR insider trades
Smith David Byron JR has filed 55 Form 4s with the SEC that we hold, for Illinois Tool Works INC (ITW) (Director) and Northern Trust Corp (NTRS) (Director). Across all of them we count 6 purchases worth $2.8M and 0 sales worth $0 reported on Form 4. In the last 12 months: 1 purchase ($1.7M) and 0 sales ($0). The largest single trade was a purchase of 6,709 shares of Illinois Tool Works INC worth $1.7M, dated 2025-12-10. The first filing on our record is dated 2021-08-02 and the latest 2026-08-11.
Illinois Tool Works INC (ITW)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-12-09 | P, purchase reported on Form 4 | 1,390 | $308.3K | 2022-12-12 |
| 2023-11-30 | P, purchase reported on Form 4 | 1,000 | $241.8K | 2023-12-01 |
| 2024-06-13 | P, purchase reported on Form 4 | 775 | $185.1K | 2024-06-17 |
| 2024-12-09 | P, purchase reported on Form 4 | 635 | $174.8K | 2024-12-11 |
| 2025-06-02 | P, purchase reported on Form 4 | 872 | $210.3K | 2025-06-04 |
| 2025-12-10 | P, purchase reported on Form 4 | 6,709 | $1.7M | 2025-12-12 |
Northern Trust Corp (NTRS)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1478669) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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