Nemser Earl H
Director · Officer · IBKR
As of 2026-09-17, Nemser Earl H has 46 Form 4 transactions on record across 1 company — 13 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.
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 |
|---|---|---|---|---|---|---|---|
| 2026-01-27 | IBKR | Sale | 39,731 @ $75.07 | $3.0M | −66.0% of holding | 20,469 | Form 4 |
| 2026-01-27 | IBKR | Sale | 20,469 @ $75.75 | $1.6M | −100.0% of holding | 0 | Form 4 |
| 2026-01-26 | IBKR | Sale | 60,882 @ $75.83 | $4.6M | −39.3% of holding | 94,118 | Form 4 |
| 2026-01-26 | IBKR | Sale | 30,817 @ $76.72 | $2.4M | −32.7% of holding | 63,301 | Form 4 |
| 2026-01-26 | IBKR | Sale | 3,101 @ $77.98 | $242K | −4.9% of holding | 60,200 | Form 4 |
| 2026-01-23 | IBKR | Sale | 84,935 @ $77.65 | $6.6M | −28.3% of holding | 215,065 | Form 4 |
| 2026-01-23 | IBKR | Sale | 60,065 @ $78.14 | $4.7M | −27.9% of holding | 155,000 | Form 4 |
| 2026-01-22 | IBKR | Sale | 100,000 @ $76.81 | $7.7M | −25.0% of holding | 300,000 | Form 4 |
| 2025-08-14 | IBKR | Sale | 33,379 @ $63.86 | $2.1M | −7.4% of holding | 420,521 | Form 4 |
| 2025-08-14 | IBKR | Sale | 20,521 @ $64.22 | $1.3M | −4.9% of holding | 400,000 | Form 4 |
| 2025-08-13 | IBKR | Sale | 4,600 @ $63.75 | $293K | −1.0% of holding | 456,900 | Form 4 |
| 2025-08-13 | IBKR | Sale | 2,400 @ $66.77 | $160K | −0.5% of holding | 454,100 | Form 4 |
| 2025-08-13 | IBKR | Sale | 200 @ $67.20 | $13K | −0.0% of holding | 453,900 | Form 4 |
| 2025-08-13 | IBKR | Sale | 200 @ $66.09 | $13K | −0.0% of holding | 456,500 | Form 4 |
| 2025-08-13 | IBKR | Sale | 200 @ $64.19 | $13K | −0.0% of holding | 456,700 | Form 4 |
| 2025-08-12 | IBKR | Sale | 153,000 @ $67.39 | $10.3M | −23.3% of holding | 502,586 | Form 4 |
| 2025-08-12 | IBKR | Sale | 41,086 @ $67.88 | $2.8M | −8.2% of holding | 461,500 | Form 4 |
| 2025-08-11 | IBKR | Sale | 12,841 @ $66.09 | $849K | −1.9% of holding | 655,586 | Form 4 |
| 2025-08-08 | IBKR | Sale | 10,200 @ $65.60 | $669K | −1.5% of holding | 671,068 | Form 4 |
| 2025-08-08 | IBKR | Sale | 2,641 @ $65.94 | $174K | −0.4% of holding | 668,427 | Form 4 |
| 2025-08-07 | IBKR | Sale | 12,400 @ $63.94 | $793K | −1.8% of holding | 681,709 | Form 4 |
| 2025-08-07 | IBKR | Sale | 441 @ $64.35 | $28K | −0.1% of holding | 681,268 | Form 4 |
| 2025-08-06 | IBKR | Sale | 12,641 @ $63.47 | $802K | −1.8% of holding | 694,309 | Form 4 |
| 2025-08-06 | IBKR | Sale | 200 @ $64.16 | $13K | −0.0% of holding | 694,109 | Form 4 |
| 2025-08-05 | IBKR | Sale | 11,041 @ $63.64 | $703K | −1.5% of holding | 708,750 | Form 4 |
| 2025-08-05 | IBKR | Sale | 1,800 @ $64.84 | $117K | −0.3% of holding | 706,950 | Form 4 |
| 2025-08-04 | IBKR | Sale | 12,841 @ $64.54 | $829K | −1.8% of holding | 719,791 | Form 4 |
| 2025-08-01 | IBKR | Sale | 7,441 @ $63.94 | $476K | −1.0% of holding | 736,832 | Form 4 |
| 2025-08-01 | IBKR | Sale | 3,200 @ $64.71 | $207K | −0.4% of holding | 733,632 | Form 4 |
| 2025-08-01 | IBKR | Sale | 1,200 @ $62.79 | $75K | −0.2% of holding | 744,273 | Form 4 |
| 2025-08-01 | IBKR | Sale | 1,000 @ $65.66 | $66K | −0.1% of holding | 732,632 | Form 4 |
| 2025-07-31 | IBKR | Sale | 12,441 @ $66.18 | $823K | −1.6% of holding | 747,673 | Form 4 |
| 2025-07-31 | IBKR | Sale | 2,200 @ $66.71 | $147K | −0.3% of holding | 745,473 | Form 4 |
| 2025-07-30 | IBKR | Sale | 32,386 @ $66.32 | $2.1M | −8.1% of holding | 367,514 | Form 4 |
| 2025-07-30 | IBKR | Sale | 7,400 @ $66.64 | $493K | −2.0% of holding | 360,114 | Form 4 |
| 2025-07-28 | IBKR | Sale | 100 @ $65.90 | $7K | −0.0% of holding | 399,900 | Form 4 |
10 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-31 | IBKR | Award / grant | 803,568 | 803,568 | Form 4 |
| 2026-05-08 | IBKR | Withheld for tax | 22,486 | 429,344 | Form 4 |
| 2026-01-01 | IBKR | Award / grant | 389 | 451,830 | Form 4 |
| 2025-12-31 | IBKR | Award / grant | 389 | 451,441 | Form 4 |
| 2025-12-31 | IBKR | Award / grant | 23,240 | 451,052 | Form 4 |
| 2025-07-30 | IBKR | Award / grant | 400,000 | 760,114 | Form 4 |
| 2025-06-23 | IBKR | Gift | 500 | 427,812 | Form 4 |
| 2025-05-09 | IBKR | Withheld for tax | 5,178 | 107,078 | Form 4 |
| 2024-12-31 | IBKR | Award / grant | 142 | 112,256 | Form 4 |
| 2024-12-31 | IBKR | Award / grant | 7,763 | 112,114 | 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.