Stephen F Shamrock
CIK 1998424 · View on SEC EDGAR ↗
First SEC filing: Nov. 2, 2023 · Latest: July 14, 2025
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 10, 2025 | NDSN | J | 577 | $223.17 | $128,769 | 0 Direct | -100.00% | Disposed | 50.1% (price as of 2026-08-21) |
| July 10, 2025 | NDSN | J | 399 | $223.17 | $89,045 | 120 Direct | -76.88% | Disposed | 50.1% (price as of 2026-08-21) |
| July 10, 2025 | NDSN | J | 1,178 | $223.17 | $262,894 | 391 Direct | -75.08% | Disposed | 50.1% (price as of 2026-08-21) |
| March 25, 2025 | NDSN | F | 42 | $207.58 | $8,718 | 1,569 Direct | -2.61% | Disposed | 61.4% (price as of 2026-08-21) |
| Dec. 20, 2024 | NDSN | A | 577 | $209.73 | $121,014 | 1,058 Direct | +119.96% | Acquired | 59.8% (price as of 2026-08-21) |
| Dec. 20, 2024 | NDSN | A | 120 | $209.73 | $25,168 | 1,611 Direct | +8.05% | Acquired | 59.8% (price as of 2026-08-21) |
| Nov. 29, 2024 | NDSN | F | 12 | $260.99 | $3,132 | 1,491 Direct | -0.80% | Disposed | 28.4% (price as of 2026-08-21) |
| Nov. 29, 2024 | NDSN | F | 22 | $260.99 | $5,742 | 1,503 Direct | -1.44% | Disposed | 28.4% (price as of 2026-08-21) |
| March 22, 2024 | NDSN | F | 46 | $268.52 | $12,352 | 1,525 Direct | -2.93% | Disposed | 24.8% (price as of 2026-08-21) |
| Dec. 1, 2023 | NDSN | A | 519 | $238.80 | $123,937 | 519 Direct | — | Acquired | 40.3% (price as of 2026-08-21) |
| Dec. 1, 2023 | NDSN | A | 116 | $238.80 | $27,701 | 1,617 Direct | +7.73% | Acquired | 40.3% (price as of 2026-08-21) |
| Dec. 1, 2023 | NDSN | F | 21 | $238.80 | $5,015 | 1,501 Direct | -1.38% | Disposed | 40.3% (price as of 2026-08-21) |
| Oct. 31, 2023 | NDSN | A | 906 | $212.59 | $192,607 | 1,522 Direct | +147.08% | Acquired | 57.6% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 10, 2025 | NDSN | NDSN | NDSN (577) | $209.73 | Dec. 20, 2034 | 577 | Disposed |
| July 10, 2025 | NDSN | NDSN | NDSN (519) | $238.80 | Oct. 12, 2025 | 399 | Disposed |
| Dec. 20, 2024 | NDSN | NDSN | NDSN (577) | $209.73 | Dec. 20, 2034 | 577 | Acquired |
| Dec. 1, 2023 | NDSN | NDSN | NDSN (519) | $238.80 | Dec. 1, 2033 | 519 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
NDSN
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $334,809 | $25,000 | $94,509 | $38,980 | $84,606 | — | $20,033 | $597,937 |
| 2023 | — | — | — | — | — | — | — | — |
| 2022 | — | — | — | — | — | — | — | — |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.