D'Ambrosio Christopher
Officer · ADP
As of 2026-09-16, D'Ambrosio Christopher has 32 Form 4 transactions on record across 1 company — 8 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $2.7M
- Indirect $0
| ADP | direct | 9,928 sh | $2.7M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-02 | ADP | Sale | 1,872 @ $283.00 | $530K | −15.9% of holding | 9,928 | Form 4 |
| 2026-04-14 | ADP | Sale | 543 @ $195.74 | $106K | −6.1% of holding | 8,369 | Form 4 |
| 2026-03-16 | ADP | Sale | 543 @ $208.45 | $113K | −5.7% of holding | 8,912 | Form 4 |
| 2026-02-17 | ADP | Sale | 543 @ $212.43 | $115K | −5.4% of holding | 9,455 | Form 4 |
| 2026-01-13 | ADP | Sale | 543 @ $262.29 | $142K | −5.2% of holding | 9,998 | Form 4 |
| 2025-09-10 | ADP | Sale | 597 @ $296.90 | $177K | −5.4% of holding | 10,541 | Form 4 |
| 2025-05-12 | ADP | Sale | 472 @ $311.82 | $147K | −5.9% of holding | 7,491 | Form 4 |
| 2025-04-10 | ADP | Sale | 478 @ $293.14 | $140K | −6.1% of holding | 7,364 | Form 4 |
| 2025-03-10 | ADP | Sale | 473 @ $306.20 | $145K | −6.1% of holding | 7,244 | Form 4 |
| 2025-02-10 | ADP | Sale | 471 @ $308.24 | $145K | −6.2% of holding | 7,118 | Form 4 |
22 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-01 | ADP | Withheld for tax | 1,736 | 11,800 | Form 4 |
| 2026-09-01 | ADP | Award / grant | 2,565 | 13,535 | Form 4 |
| 2026-08-05 | ADP | Award / grant | 2,601 | 10,970 | Form 4 |
| 2025-09-02 | ADP | Withheld for tax | 2,005 | 11,138 | Form 4 |
| 2025-09-01 | ADP | Award / grant | 2,265 | 13,143 | Form 4 |
| 2025-08-06 | ADP | Award / grant | 3,387 | 10,878 | Form 4 |
| 2025-05-12 | ADP | Option exercise | 373 | 0 | Form 4 |
| 2025-05-12 | ADP | Option exercise | 373 | 7,737 | Form 4 |
| 2025-05-12 | ADP | Option exercise | 226 | 7,963 | Form 4 |
| 2025-05-12 | ADP | Option exercise | 226 | 0 | Form 4 |
| 2025-04-10 | ADP | Option exercise | 373 | 7,617 | Form 4 |
| 2025-04-10 | ADP | Option exercise | 373 | 373 | Form 4 |
| 2025-04-10 | ADP | Option exercise | 225 | 7,842 | Form 4 |
| 2025-04-10 | ADP | Option exercise | 225 | 226 | Form 4 |
| 2025-03-10 | ADP | Option exercise | 373 | 746 | Form 4 |
| 2025-03-10 | ADP | Option exercise | 373 | 7,491 | Form 4 |
| 2025-03-10 | ADP | Option exercise | 226 | 451 | Form 4 |
| 2025-03-10 | ADP | Option exercise | 226 | 7,717 | Form 4 |
| 2025-02-10 | ADP | Option exercise | 372 | 1,119 | Form 4 |
| 2025-02-10 | ADP | Option exercise | 372 | 7,364 | Form 4 |
| 2025-02-10 | ADP | Option exercise | 225 | 7,589 | Form 4 |
| 2025-02-10 | ADP | Option exercise | 225 | 677 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.