Jerome S Markowitz
Insider
First SEC filing: July 25, 2019 · Latest: July 25, 2019
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 24, 2019 | 1466538 | A | 15,591 | · | · | 164,331 Direct | +10.48% | Acquired | |
| June 18, 2019 | 1466538 | G | 12,000 | · | · | 148,740 Direct | -7.47% | Disposed | |
| July 31, 2018 | 1466538 | A | 16,279 | · | · | 160,740 Direct | +11.27% | Acquired | |
| June 22, 2017 | 1466538 | A | 15,160 | · | · | 144,461 Direct | +11.72% | Acquired | |
| June 27, 2016 | 1466538 | A | 61,747 | · | · | 517,202 Direct | +13.56% | Acquired | |
| April 27, 2015 | 1466538 | A | 42,307 | · | · | 455,455 Direct | +10.24% | Acquired | |
| May 5, 2014 | 1466538 | A | 48,813 | · | · | 413,148 Direct | +13.40% | Acquired | |
| May 2, 2013 | 1466538 | A | 58,155 | · | · | 364,335 Direct | +18.99% | Acquired | |
| March 11, 2013 | 1466538 | P | 100,000 | $2.70 | $270,000 | 306,180 Direct | +48.50% | Acquired | |
| March 7, 2013 | 1466538 | P | 19,047 | $2.64 | $50,284 | 206,180 Direct | +10.18% | Acquired | |
| March 5, 2013 | 1466538 | P | 50,000 | $2.58 | $129,000 | 187,133 Direct | +36.46% | Acquired | |
| Dec. 14, 2012 | 1466538 | S | 322,000 | $2.30 | $740,600 | 137,133 Direct | -70.13% | Disposed | |
| May 4, 2012 | 1466538 | A | 56,160 | · | · | 350,930 Direct | +19.05% | Acquired | |
| Dec. 1, 2011 | 1466538 | J | 108,122 | · | · | 294,770 Direct | +57.93% | Acquired | |
| July 29, 2011 | MKTX | A | 2,870 | · | · | 17,307 Direct | +19.88% | Acquired | (price as of 2026-10-02) |
| May 5, 2011 | 1466538 | A | 36,471 | · | · | 186,648 Direct | +24.29% | Acquired | |
| Dec. 29, 2010 | 1466538 | J | 106,359 | · | · | 106,359 Direct | · | Acquired | |
| Nov. 24, 2010 | MKTX | G | 20,903 | · | · | 14,437 Direct | -59.15% | Disposed | (price as of 2026-10-02) |
| July 30, 2010 | MKTX | A | 4,923 | · | · | 28,533 Direct | +20.85% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2010 | 1466538 | A | 18,818 | · | · | 43,818 Direct | +75.27% | Acquired | |
| Dec. 18, 2009 | 1466538 | P | 25,000 | $5.00 | $125,000 | 25,000 Direct | · | Acquired | |
| Nov. 2, 2009 | 1466538 | A | 321,054 | · | · | 321,054 Indirect | · | Acquired | |
| July 30, 2009 | MKTX | M | 3,187 | · | · | 3,187 Direct | · | Acquired | (price as of 2026-10-02) |
| July 30, 2009 | MKTX | A | 4,178 | · | · | 23,610 Direct | +21.50% | Acquired | (price as of 2026-10-02) |
| Aug. 1, 2008 | MKTX | A | 4,225 | · | · | 4,225 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 1, 2008 | MKTX | A | 4,225 | · | · | 19,432 Direct | +27.78% | Acquired | (price as of 2026-10-02) |
| Aug. 3, 2007 | MKTX | M | 2,500 | · | · | 2,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 3, 2007 | MKTX | A | 2,500 | · | · | 15,207 Direct | +19.67% | Acquired | (price as of 2026-10-02) |
| Aug. 4, 2006 | MKTX | M | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 4, 2006 | MKTX | A | 5,000 | · | · | 12,707 Direct | +64.88% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2005 | MKTX | M | 5,000 | $10.04 | $50,200 | 5,000 Direct | · | Acquired | 1534.9% (price as of 2026-10-02) |
| Aug. 15, 2005 | MKTX | A | 5,000 | · | · | 7,707 Direct | +184.71% | Acquired | (price as of 2026-10-02) |
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.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 30, 2009 | MKTX | Employee Stock Option (right to buy) | Common Stock | $10.77 | July 30, 2019 | 3,187 | Acquired |
| Aug. 1, 2008 | MKTX | Non-Qualified Stock Option (right to buy) | Common Stock | $9.72 | Aug. 1, 2018 | 4,225 | Acquired |
| Aug. 3, 2007 | MKTX | Employee Stock Option (right to buy) | Common Stock | $16.99 | Aug. 3, 2017 | 2,500 | Acquired |
| Aug. 4, 2006 | MKTX | Employee Stock Option (right to buy) | Common Stock | $9.30 | Aug. 4, 2016 | 5,000 | Acquired |
| Aug. 15, 2005 | MKTX | Employee Stock Option (right to buy) | Common Stock | $10.04 | Aug. 15, 2015 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 19, 2004 | MKTX | Common Stock, par value $0.003 per share | 2,707 | Direct |
| Nov. 19, 2004 | MKTX | Common Stock, par value $0.003 per share | 6,807 | Indirect |
| Nov. 19, 2004 | MKTX | Stock Option (right to buy) | 8,334 | Direct |
| Nov. 19, 2004 | MKTX | Stock Option (right to buy) | 10,000 | Direct |
| Nov. 4, 2004 | MKTX | Common Stock, par value $0.003 per share | 2,707 | Direct |
| Nov. 4, 2004 | MKTX | Common Stock, par value $0.003 per share | 6,807 | Indirect |
| Nov. 4, 2004 | MKTX | Stock Option (right to buy) | 8,334 | Direct |