Form 4 for DCO DUCOMMUN INC /DE/
Accepted 2026-03-06 00:00:00 ET · period of report 2026-03-04 · accession 0001975924-26-000002 · 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 | 2026-03-06 | 2026-03-04 | DCO | Mookerji Suman B. | SVP, CFO | A - Grant | $0.00 | +17.7K | 51.7K | +52% | $0 |
| DM | 2026-03-06 | 2026-03-04+ | DCO | Mookerji Suman B. | SVP, CFO | F - Tax | $138.42 | -12.2K | 50.4K | -20% | -$1.69M |
| D | 2026-03-06 | 2026-03-04 | DCO | Mookerji Suman B. | SVP, CFO | S - Sale+OE | $134.21 | -14.7K | 37.2K | -28% | -$1.97M |
| D | 2026-03-06 | 2026-03-05 | DCO | Mookerji Suman B. | SVP, CFO | M - OptEx | $42.25 | +4,700 | 55.1K | +9% | +$198.6K |
| D | 2026-03-06 | 2026-03-05 | DCO | Mookerji Suman B. | SVP, CFO | M - OptEx | $0.00 | +4,700 | 51.9K | +10% | $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 | 2026-03-04 | A | A | 14,315 | $0.00 | 56,074 | D | — | — | (F1) Acquired upon the settlement of performance stock units granted on May 8, 2023 under the Ducommun Incorporated Stock Incentive Plan as a result of the satisfaction of performance metrics underlying the award. (F2) Granted as compensation for services. |
| 2 | Common | Common Stock | 2026-03-04 | F | D | 7,695 | $139.45 | 48,379 | D | — | — | (F3) Represents a reduction in shares to satisfy the tax withholding obligations of the Issuer with respect to the settlement, on March 4, 2026, of 14,315 performance stock units as described in footnote (1) above. |
| 3 | Common | Common Stock | 2026-03-04 | A | A | 3,361 | $0.00 | 51,740 | D | — | — | |
| 4 | Common | Common Stock | 2026-03-04 | S | D | 14,709 | $134.21 | 37,184 | D | — | — | (F5) This transaction was executed in multiple trades at prices ranging from $127.00 to $138.50. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder, full information regarding the number of shares and the prices at which the transaction was effectuated. |
| 5 | Common | Common Stock | 2026-03-05 | M | A | 4,700 | $42.25 | 55,079 | D | — | — | |
| 6 | Common | Common Stock | 2026-03-05 | F | D | 3,186 | $139.45 | 51,893 | D | — | — | |
| 7 | Common | Common Stock | 2026-03-05 | F | D | 1,361 | $130.19 | 50,379 | D | — | — | (F4) Represents a reduction of shares to satisfy the tax withholding obligations of the Issuer with respect to the vesting, on March 5, 2026, of 2,532 restricted stock units. |
| 8 | Derivative | Option - Right to Purchase | 2026-03-05 | M | A | 4,700 | $0.00 | 51,893 | D | $42.25 · 2022-06-17 to 2029-06-17 | 1,514 Common Stock | (F6) This option represents the right to purchase common stock under Ducommun Incorporated's Stock Incentive Plan, which is a Rule 16b-3 plan. (F7) This option vested in one-third increments on each of June 17, 2020, 2021 and 2022. |