Whitfield Dianne C.
Officer · TARS
As of 2026-09-27, Whitfield Dianne C. has 32 Form 4 transactions on record across 1 company — 16 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 March in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $2.7M
- Indirect $0
| TARS | direct | 35,028 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 |
|---|---|---|---|---|---|---|---|
| 2026-03-19 | TARS | Sale | 4,174 @ $67.00 | $280K | −10.6% of holding | 35,028 | Form 4 |
| 2026-03-18 | TARS | Sale | 4,071 @ $68.71 | $280K | −9.4% of holding | 39,202 | Form 4 |
| 2026-03-17 | TARS | Sale | 4,029 @ $69.42 | $280K | −8.5% of holding | 43,273 | Form 4 |
| 2026-01-02 | TARS | Sale | 8,122 @ $80.71 | $656K | −24.4% of holding | 25,121 | Form 4 |
| 2026-01-02 | TARS | Sale | 5,715 @ $80.09 | $458K | −14.7% of holding | 33,243 | Form 4 |
| 2026-01-02 | TARS | Sale | 893 @ $82.93 | $74K | −3.7% of holding | 23,393 | Form 4 |
| 2026-01-02 | TARS | Sale | 835 @ $81.90 | $68K | −3.3% of holding | 24,286 | Form 4 |
| 2025-12-16 | TARS | Sale | 7,397 @ $80.10 | $592K | −16.0% of holding | 38,958 | Form 4 |
| 2025-03-20 | TARS | Sale | 2,137 @ $50.11 | $107K | −4.4% of holding | 46,355 | Form 4 |
| 2025-03-19 | TARS | Sale | 2,259 @ $47.40 | $107K | −4.5% of holding | 48,492 | Form 4 |
| 2025-03-18 | TARS | Sale | 2,315 @ $46.29 | $107K | −4.4% of holding | 50,751 | Form 4 |
| 2024-03-18 | TARS | Sale | 4,314 @ $30.60 | $132K | −11.2% of holding | 34,181 | Form 4 |
20 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-15 | TARS | Option exercise | 7,248 | 7,249 | Form 4 |
| 2026-03-15 | TARS | Option exercise | 4,463 | 0 | Form 4 |
| 2026-03-15 | TARS | Option exercise | 7,176 | 14,351 | Form 4 |
| 2026-03-15 | TARS | Option exercise | 5,022 | 15,067 | Form 4 |
| 2026-03-15 | TARS | Option exercise | 23,909 | 47,302 | Form 4 |
| 2026-03-15 | TARS | Option exercise | 23,909 | 47,302 | Form 4 |
| 2026-03-05 | TARS | Award / grant | 17,161 | 17,161 | Form 4 |
| 2026-03-05 | TARS | Award / grant | 27,310 | 27,310 | Form 4 |
| 2025-03-15 | TARS | Option exercise | 7,248 | 14,497 | Form 4 |
| 2025-03-15 | TARS | Option exercise | 4,462 | 4,463 | Form 4 |
| 2025-03-15 | TARS | Option exercise | 7,175 | 21,527 | Form 4 |
| 2025-03-15 | TARS | Option exercise | 18,885 | 53,066 | Form 4 |
| 2025-03-15 | TARS | Option exercise | 18,885 | 53,066 | Form 4 |
| 2025-03-05 | TARS | Award / grant | 30,628 | 30,628 | Form 4 |
| 2025-03-05 | TARS | Award / grant | 20,089 | 20,089 | Form 4 |
| 2024-03-15 | TARS | Option exercise | 4,463 | 8,925 | Form 4 |
| 2024-03-15 | TARS | Option exercise | 7,248 | 21,745 | Form 4 |
| 2024-03-15 | TARS | Option exercise | 11,711 | 38,495 | Form 4 |
| 2024-03-07 | TARS | Award / grant | 28,702 | 28,702 | Form 4 |
| 2024-03-07 | TARS | Award / grant | 42,500 | 42,500 | 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.