Form 4 for DCI DONALDSON Co INC
Accepted 2026-03-27 00:00:00 ET · period of report 2026-03-26 · accession 0000029644-26-000030 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-03-27 | 2026-03-26 | DCI | Briseno Guillermo | Pres | S - Sale+OE | $84.97 | -20.6K | 29.3K | -41% | -$1.75M |
| DM | 2026-03-27 | 2026-03-26 | DCI | Briseno Guillermo | Pres | M - OptEx | $43.85 | +20.6K | 41.3K | +100% | +$903.3K |
| DM | 2026-03-27 | 2026-03-26 | DCI | Briseno Guillermo | Pres | M - OptEx | $0.00 | -20.6K | 8,600 | -71% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-26 | S | D | 8,600 | $84.97 | 29,267 | D | — | — | |
| 2 | Common | Common Stock | 2026-03-26 | M | A | 8,600 | $45.43 | 37,867 | D | — | — | |
| 3 | Common | Common Stock | 2026-03-26 | S | D | 12,000 | $84.97 | 29,267 | D | — | — | |
| 4 | Common | Common Stock | 2026-03-26 | M | A | 12,000 | $42.72 | 41,267 | D | — | — | |
| 5 | Derivative | Employee Stock Option (right to buy) | 2026-03-26 | M | D | 12,000 | $0.00 | 0 | D | $42.72 · — to 2026-12-16 | 12,000 Common Stock | (F1) Fully vested |
| 6 | Derivative | Employee Stock Option (right to buy) | 2026-03-26 | M | D | 8,600 | $0.00 | 8,600 | D | $45.43 · — to 2027-09-22 | 8,600 Common Stock | (F1) Fully vested |