Earl H Nemser
CIK 1391400 · View on SEC EDGAR ↗
Insider
First SEC filing: May 4, 2007 · Latest: May 4, 2007
On this page
Insider at
Insider transactions
0 buys (P)
8 sells (S)
Net:
$-30,725,593
+ 25 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
25 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 27, 2026 | IBKR | S | 39,731 | $75.07 | $2,982,606 | 20,469 Indirect | -66.00% | Disposed | 23.4% (price as of 2026-08-21) |
| Jan. 27, 2026 | IBKR | S | 20,469 | $75.75 | $1,550,527 | 0 Indirect | -100.00% | Disposed | 22.2% (price as of 2026-08-21) |
| Jan. 26, 2026 | IBKR | S | 60,882 | $75.83 | $4,616,682 | 94,118 Indirect | -39.28% | Disposed | 22.1% (price as of 2026-08-21) |
| Jan. 26, 2026 | IBKR | S | 30,817 | $76.72 | $2,364,280 | 63,301 Indirect | -32.74% | Disposed | 20.7% (price as of 2026-08-21) |
| Jan. 26, 2026 | IBKR | S | 3,101 | $77.98 | $241,816 | 60,200 Indirect | -4.90% | Disposed | 18.7% (price as of 2026-08-21) |
| Jan. 23, 2026 | IBKR | S | 84,935 | $77.65 | $6,595,203 | 215,065 Indirect | -28.31% | Disposed | 19.3% (price as of 2026-08-21) |
| Jan. 23, 2026 | IBKR | S | 60,065 | $78.14 | $4,693,479 | 155,000 Indirect | -27.93% | Disposed | 18.5% (price as of 2026-08-21) |
| Jan. 22, 2026 | IBKR | S | 100,000 | $76.81 | $7,681,000 | 300,000 Indirect | -25.00% | Disposed | 20.6% (price as of 2026-08-21) |
| Aug. 14, 2025 | IBKR | S | 33,379 | $63.86 | $2,131,583 | 420,521 Indirect | -7.35% | Disposed | 45.0% (price as of 2026-08-21) |
| Aug. 14, 2025 | IBKR | S | 20,521 | $64.22 | $1,317,859 | 400,000 Indirect | -4.88% | Disposed | 44.2% (price as of 2026-08-21) |
| Aug. 13, 2025 | IBKR | S | 4,600 | $63.75 | $293,250 | 456,900 Indirect | -1.00% | Disposed | 45.3% (price as of 2026-08-21) |
| Aug. 13, 2025 | IBKR | S | 200 | $64.19 | $12,838 | 456,700 Indirect | -0.04% | Disposed | 44.3% (price as of 2026-08-21) |
| Aug. 13, 2025 | IBKR | S | 200 | $66.09 | $13,218 | 456,500 Indirect | -0.04% | Disposed | 40.1% (price as of 2026-08-21) |
| Aug. 13, 2025 | IBKR | S | 2,400 | $66.77 | $160,248 | 454,100 Indirect | -0.53% | Disposed | 38.7% (price as of 2026-08-21) |
| Aug. 13, 2025 | IBKR | S | 200 | $67.20 | $13,440 | 453,900 Indirect | -0.04% | Disposed | 37.8% (price as of 2026-08-21) |
| Aug. 12, 2025 | IBKR | S | 153,000 | $67.39 | $10,310,670 | 502,586 Indirect | -23.34% | Disposed | 37.4% (price as of 2026-08-21) |
| Aug. 12, 2025 | IBKR | S | 41,086 | $67.88 | $2,788,918 | 461,500 Indirect | -8.17% | Disposed | 36.4% (price as of 2026-08-21) |
| Aug. 11, 2025 | IBKR | S | 12,841 | $66.09 | $848,662 | 655,586 Indirect | -1.92% | Disposed | 40.1% (price as of 2026-08-21) |
| Aug. 8, 2025 | IBKR | S | 10,200 | $65.60 | $669,120 | 671,068 Indirect | -1.50% | Disposed | 41.2% (price as of 2026-08-21) |
| Aug. 8, 2025 | IBKR | S | 2,641 | $65.94 | $174,148 | 668,427 Indirect | -0.39% | Disposed | 40.4% (price as of 2026-08-21) |
| Aug. 7, 2025 | IBKR | S | 12,400 | $63.94 | $792,856 | 681,709 Indirect | -1.79% | Disposed | 44.8% (price as of 2026-08-21) |
| Aug. 7, 2025 | IBKR | S | 441 | $64.35 | $28,378 | 681,268 Indirect | -0.06% | Disposed | 43.9% (price as of 2026-08-21) |
| Aug. 6, 2025 | IBKR | S | 12,641 | $63.47 | $802,324 | 694,309 Indirect | -1.79% | Disposed | 45.9% (price as of 2026-08-21) |
| Aug. 6, 2025 | IBKR | S | 200 | $64.16 | $12,832 | 694,109 Indirect | -0.03% | Disposed | 44.3% (price as of 2026-08-21) |
| Aug. 5, 2025 | IBKR | S | 11,041 | $63.64 | $702,649 | 708,750 Indirect | -1.53% | Disposed | 45.5% (price as of 2026-08-21) |
| Aug. 5, 2025 | IBKR | S | 1,800 | $64.84 | $116,712 | 706,950 Indirect | -0.25% | Disposed | 42.8% (price as of 2026-08-21) |
| Aug. 4, 2025 | IBKR | S | 12,841 | $64.54 | $828,758 | 719,791 Indirect | -1.75% | Disposed | 43.5% (price as of 2026-08-21) |
| Aug. 1, 2025 | IBKR | S | 1,200 | $62.79 | $75,348 | 744,273 Indirect | -0.16% | Disposed | 47.5% (price as of 2026-08-21) |
| Aug. 1, 2025 | IBKR | S | 7,441 | $63.94 | $475,778 | 736,832 Indirect | -1.00% | Disposed | 44.8% (price as of 2026-08-21) |
| Aug. 1, 2025 | IBKR | S | 3,200 | $64.71 | $207,072 | 733,632 Indirect | -0.43% | Disposed | 43.1% (price as of 2026-08-21) |
| Aug. 1, 2025 | IBKR | S | 1,000 | $65.66 | $65,660 | 732,632 Indirect | -0.14% | Disposed | 41.0% (price as of 2026-08-21) |
| July 31, 2025 | IBKR | S | 12,441 | $66.18 | $823,345 | 747,673 Indirect | -1.64% | Disposed | 39.9% (price as of 2026-08-21) |
| July 31, 2025 | IBKR | S | 2,200 | $66.71 | $146,762 | 745,473 Indirect | -0.29% | Disposed | 38.8% (price as of 2026-08-21) |
| July 30, 2025 | IBKR | S | 32,386 | $66.32 | $2,147,840 | 367,514 Indirect | -8.10% | Disposed | 39.6% (price as of 2026-08-21) |
| July 30, 2025 | IBKR | S | 7,400 | $66.64 | $493,136 | 360,114 Indirect | -2.01% | Disposed | 39.0% (price as of 2026-08-21) |
| July 28, 2025 | IBKR | S | 100 | $65.90 | $6,590 | 399,900 Indirect | -0.03% | Disposed | 40.5% (price as of 2026-08-21) |
| Feb. 22, 2024 | IBKR | S | 5,000 | $107.01 | $535,050 | 108,770 Direct | -4.39% | Disposed | 246.1% (price as of 2026-08-21) |
| Feb. 21, 2024 | IBKR | S | 5,000 | $104.86 | $524,300 | 113,770 Direct | -4.21% | Disposed | 253.2% (price as of 2026-08-21) |
| Feb. 16, 2024 | IBKR | S | 2,906 | $105.35 | $306,147 | 120,864 Direct | -2.35% | Disposed | 251.6% (price as of 2026-08-21) |
| Feb. 16, 2024 | IBKR | S | 2,094 | $106.01 | $221,985 | 118,770 Direct | -1.73% | Disposed | 249.4% (price as of 2026-08-21) |
| Feb. 15, 2024 | IBKR | S | 2,100 | $102.02 | $214,242 | 131,670 Direct | -1.57% | Disposed | 263.1% (price as of 2026-08-21) |
| Feb. 15, 2024 | IBKR | S | 3,400 | $102.83 | $349,622 | 128,270 Direct | -2.58% | Disposed | 260.2% (price as of 2026-08-21) |
| Feb. 15, 2024 | IBKR | S | 500 | $103.57 | $51,785 | 127,770 Direct | -0.39% | Disposed | 257.6% (price as of 2026-08-21) |
| Feb. 15, 2024 | IBKR | S | 4,000 | $104.92 | $419,680 | 123,770 Direct | -3.13% | Disposed | 253.0% (price as of 2026-08-21) |
| Feb. 14, 2024 | IBKR | S | 10,650 | $101.28 | $1,078,632 | 148,120 Direct | -6.71% | Disposed | 265.7% (price as of 2026-08-21) |
| Feb. 14, 2024 | IBKR | S | 14,350 | $102.09 | $1,464,992 | 133,770 Direct | -9.69% | Disposed | 262.8% (price as of 2026-08-21) |
| Feb. 13, 2024 | IBKR | S | 20,809 | $100.73 | $2,096,091 | 187,961 Direct | -9.97% | Disposed | 267.7% (price as of 2026-08-21) |
| Feb. 13, 2024 | IBKR | S | 29,191 | $101.31 | $2,957,340 | 158,770 Direct | -15.53% | Disposed | 265.6% (price as of 2026-08-21) |
| Feb. 5, 2024 | IBKR | S | 24,547 | $95.67 | $2,348,411 | 210,005 Direct | -10.47% | Disposed | 287.2% (price as of 2026-08-21) |
| Feb. 5, 2024 | IBKR | S | 1,235 | $96.45 | $119,116 | 208,770 Direct | -0.59% | Disposed | 284.0% (price as of 2026-08-21) |
| Feb. 2, 2024 | IBKR | S | 74,218 | $96.29 | $7,146,451 | 234,552 Direct | -24.04% | Disposed | 284.7% (price as of 2026-08-21) |
| Jan. 22, 2018 | IBKR | S | 32,000 | $62.80 | $2,009,600 | 68,610 Direct | -31.81% | Disposed | 489.8% (price as of 2026-08-21) |
| Oct. 26, 2017 | IBKR | S 10b5-1 | 20 | $52.41 | $1,048 | 0 Indirect | -100.00% | Disposed | 606.7% (price as of 2026-08-21) |
| Oct. 26, 2017 | IBKR | S 10b5-1 | 117 | $52.62 | $6,157 | 20 Indirect | -85.40% | Disposed | 603.9% (price as of 2026-08-21) |
| Oct. 26, 2017 | IBKR | S 10b5-1 | 366 | $52.09 | $19,065 | 137 Indirect | -72.76% | Disposed | 611.1% (price as of 2026-08-21) |
| Oct. 25, 2017 | IBKR | S 10b5-1 | 76 | $51.41 | $3,907 | 503 Indirect | -13.13% | Disposed | 620.5% (price as of 2026-08-21) |
| Oct. 25, 2017 | IBKR | S 10b5-1 | 731 | $50.76 | $37,106 | 579 Indirect | -55.80% | Disposed | 629.7% (price as of 2026-08-21) |
| Oct. 24, 2017 | IBKR | S 10b5-1 | 1,000 | $51.27 | $51,270 | 95,585 Direct | -1.04% | Disposed | 622.4% (price as of 2026-08-21) |
| Oct. 24, 2017 | IBKR | S 10b5-1 | 842 | $51.05 | $42,984 | 1,310 Indirect | -39.13% | Disposed | 625.6% (price as of 2026-08-21) |
| Oct. 23, 2017 | IBKR | S 10b5-1 | 187 | $50.42 | $9,429 | 2,152 Indirect | -7.99% | Disposed | 634.6% (price as of 2026-08-21) |
| Oct. 23, 2017 | IBKR | S 10b5-1 | 654 | $50.03 | $32,720 | 2,339 Indirect | -21.85% | Disposed | 640.4% (price as of 2026-08-21) |
| Oct. 20, 2017 | IBKR | S 10b5-1 | 842 | $49.41 | $41,603 | 2,993 Indirect | -21.96% | Disposed | 649.6% (price as of 2026-08-21) |
| Oct. 19, 2017 | IBKR | S 10b5-1 | 273 | $49.53 | $13,522 | 3,835 Indirect | -6.65% | Disposed | 647.8% (price as of 2026-08-21) |
| Oct. 19, 2017 | IBKR | S 10b5-1 | 568 | $49.23 | $27,963 | 4,108 Indirect | -12.15% | Disposed | 652.4% (price as of 2026-08-21) |
| Oct. 18, 2017 | IBKR | S 10b5-1 | 425 | $50.17 | $21,322 | 4,676 Indirect | -8.33% | Disposed | 638.3% (price as of 2026-08-21) |
| Oct. 18, 2017 | IBKR | S 10b5-1 | 417 | $49.69 | $20,721 | 5,101 Indirect | -7.56% | Disposed | 645.4% (price as of 2026-08-21) |
| Oct. 17, 2017 | IBKR | S 10b5-1 | 841 | $47.36 | $39,830 | 5,518 Indirect | -13.23% | Disposed | 682.1% (price as of 2026-08-21) |
| Oct. 16, 2017 | IBKR | S 10b5-1 | 842 | $47.46 | $39,961 | 6,359 Indirect | -11.69% | Disposed | 680.4% (price as of 2026-08-21) |
| Oct. 13, 2017 | IBKR | S 10b5-1 | 833 | $47.66 | $39,701 | 7,201 Indirect | -10.37% | Disposed | 677.2% (price as of 2026-08-21) |
| Oct. 12, 2017 | IBKR | S 10b5-1 | 841 | $47.88 | $40,267 | 8,034 Indirect | -9.48% | Disposed | 673.6% (price as of 2026-08-21) |
| Oct. 11, 2017 | IBKR | S 10b5-1 | 767 | $47.68 | $36,571 | 8,875 Indirect | -7.95% | Disposed | 676.8% (price as of 2026-08-21) |
| Oct. 10, 2017 | IBKR | S 10b5-1 | 842 | $47.22 | $39,759 | 9,642 Indirect | -8.03% | Disposed | 684.4% (price as of 2026-08-21) |
| Oct. 9, 2017 | IBKR | S 10b5-1 | 816 | $47.63 | $38,866 | 10,484 Indirect | -7.22% | Disposed | 677.7% (price as of 2026-08-21) |
| Oct. 6, 2017 | IBKR | S 10b5-1 | 841 | $47.49 | $39,939 | 11,300 Indirect | -6.93% | Disposed | 680.0% (price as of 2026-08-21) |
| Oct. 5, 2017 | IBKR | S 10b5-1 | 808 | $47.56 | $38,428 | 12,141 Indirect | -6.24% | Disposed | 678.8% (price as of 2026-08-21) |
Showing latest 100 of 417 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $770,000 | $1,000,000 | $1,550,000 | — | — | — | $252,380 | $3,572,380 |
| 2017 | $555,000 | — | $300,000 | — | — | — | — | $855,000 |
| 2016 | $555,000 | — | $285,000 | — | — | — | — | $840,000 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.