Siminoff Ellen F
Director · Officer · TTWO, CMRC, BIGC
As of 2026-09-16, Siminoff Ellen F has 39 Form 4 transactions on record across 3 companies — 22 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
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | TTWO | Sale | 167 @ $219.53 | $37K | −10.0% of holding | 1,499 | Form 4 |
| 2026-08-14 | TTWO | Sale | 167 @ $242.34 | $40K | −9.1% of holding | 1,666 | Form 4 |
| 2026-07-01 | TTWO | Sale | 167 @ $252.53 | $42K | −8.3% of holding | 1,833 | Form 4 |
| 2026-04-15 | TTWO | Sale | 270 @ $207.66 | $56K | −11.9% of holding | 2,000 | Form 4 |
| 2026-04-15 | TTWO | Sale | 143 @ $207.66 | $30K | −6.7% of holding | 2,000 | Form 4 |
| 2026-03-16 | TTWO | Sale | 270 @ $209.36 | $57K | −10.6% of holding | 2,270 | Form 4 |
| 2026-03-16 | TTWO | Sale | 143 @ $209.36 | $30K | −6.3% of holding | 2,143 | Form 4 |
| 2026-02-18 | TTWO | Sale | 270 @ $200.00 | $54K | −9.6% of holding | 2,540 | Form 4 |
| 2026-02-18 | TTWO | Sale | 143 @ $200.00 | $29K | −5.9% of holding | 2,286 | Form 4 |
| 2026-02-17 | CMRC | Purchase | 100,000 @ $2.94 | $294K | +39.5% of holding | 353,333 | Form 4 |
| 2026-01-15 | TTWO | Sale | 270 @ $245.48 | $66K | −8.8% of holding | 2,810 | Form 4 |
| 2026-01-15 | TTWO | Sale | 144 @ $245.48 | $35K | −5.6% of holding | 2,429 | Form 4 |
| 2025-12-15 | TTWO | Sale | 270 @ $242.71 | $66K | −8.1% of holding | 3,080 | Form 4 |
| 2025-12-15 | TTWO | Sale | 143 @ $242.71 | $35K | −5.3% of holding | 2,573 | Form 4 |
| 2025-11-14 | TTWO | Sale | 270 @ $235.95 | $64K | −7.5% of holding | 3,350 | Form 4 |
| 2025-11-14 | TTWO | Sale | 144 @ $235.95 | $34K | −5.0% of holding | 2,716 | Form 4 |
| 2025-10-15 | TTWO | Sale | 268 @ $259.42 | $70K | −6.9% of holding | 3,620 | Form 4 |
| 2025-10-15 | TTWO | Sale | 143 @ $259.42 | $37K | −4.8% of holding | 2,860 | Form 4 |
| 2025-09-15 | TTWO | Sale | 270 @ $246.25 | $66K | −6.5% of holding | 3,888 | Form 4 |
| 2025-09-15 | TTWO | Sale | 144 @ $246.25 | $35K | −4.6% of holding | 3,003 | Form 4 |
| 2025-08-15 | TTWO | Sale | 268 @ $233.65 | $63K | −6.1% of holding | 4,158 | Form 4 |
| 2025-08-15 | TTWO | Sale | 143 @ $233.65 | $33K | −4.3% of holding | 3,147 | Form 4 |
| 2025-07-15 | TTWO | Sale | 270 @ $237.80 | $64K | −5.7% of holding | 4,426 | Form 4 |
| 2025-07-15 | TTWO | Sale | 144 @ $237.80 | $34K | −4.2% of holding | 3,290 | Form 4 |
| 2025-06-16 | TTWO | Sale | 268 @ $230.95 | $62K | −5.4% of holding | 4,696 | Form 4 |
| 2025-06-16 | TTWO | Sale | 143 @ $230.95 | $33K | −4.0% of holding | 3,434 | Form 4 |
| 2025-06-04 | TTWO | Sale | 270 @ $229.52 | $62K | −5.2% of holding | 4,964 | Form 4 |
| 2025-06-04 | TTWO | Sale | 143 @ $229.52 | $33K | −3.8% of holding | 3,577 | Form 4 |
| 2025-03-06 | BIGC | Purchase | 177,158 @ $6.64 | $1.2M | +232.6% of holding | 253,333 | Form 4 |
| 2025-02-25 | BIGC | Purchase | 19,603 @ $6.49 | $127K | +34.7% of holding | 76,175 | Form 4 |
| 2025-02-24 | BIGC | Purchase | 3,239 @ $6.28 | $20K | +6.1% of holding | 56,572 | Form 4 |
8 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-01 | TTWO | Award / grant | 104 | 8,571 | Form 4 |
| 2026-04-01 | TTWO | Award / grant | 116 | 8,467 | Form 4 |
| 2026-01-01 | TTWO | Award / grant | 96 | 8,351 | Form 4 |
| 2025-10-01 | TTWO | Award / grant | 1,064 | 8,255 | Form 4 |
| 2025-09-10 | CMRC | Award / grant | 247,963 | 247,963 | Form 4 |
| 2025-08-14 | TTWO | Award / grant | 356 | 7,191 | Form 4 |
| 2025-05-28 | TTWO | Award / grant | 367 | 6,835 | Form 4 |
| 2025-02-14 | TTWO | Award / grant | 435 | 8,126 | 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.