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HIGHTOWER JACK
Activist
First SEC filing: Sept. 17, 2025 · Latest: Sept. 17, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 8, 2024 | HPK | P | 17,262 | $14.03 | $242,186 | 4,976,517 Direct | +0.35% | Acquired | -44.0% (price as of 2026-10-02) |
| Sept. 20, 2024 | HPK | P | 100,000 | $15.54 | $1,554,000 | 4,959,255 Direct | +2.06% | Acquired | -49.5% (price as of 2026-10-02) |
| Sept. 3, 2024 | HPK | P | 36,078 | $15.25 | $550,190 | 4,859,255 Direct | +0.75% | Acquired | -48.5% (price as of 2026-10-02) |
| Aug. 30, 2024 | HPK | P | 17,827 | $15.95 | $284,341 | 4,823,177 Direct | +0.37% | Acquired | -50.8% (price as of 2026-10-02) |
| Aug. 29, 2024 | HPK | P | 17,743 | $15.50 | $275,016 | 4,805,350 Direct | +0.37% | Acquired | -49.4% (price as of 2026-10-02) |
| Aug. 28, 2024 | HPK | P | 64,744 | $15.41 | $997,705 | 4,787,607 Direct | +1.37% | Acquired | -49.1% (price as of 2026-10-02) |
| Aug. 27, 2024 | HPK | P | 50,000 | $15.50 | $775,000 | 4,722,863 Direct | +1.07% | Acquired | -49.4% (price as of 2026-10-02) |
| Dec. 29, 2023 | HPK | P | 50,000 | $14.69 | $734,500 | 4,672,863 Direct | +1.08% | Acquired | -46.6% (price as of 2026-10-02) |
| Dec. 28, 2023 | HPK | P | 104,715 | $14.78 | $1,547,688 | 4,622,863 Direct | +2.32% | Acquired | -46.9% (price as of 2026-10-02) |
| Dec. 27, 2023 | HPK | P | 9,315 | $15.00 | $139,725 | 4,518,148 Direct | +0.21% | Acquired | -47.7% (price as of 2026-10-02) |
| Dec. 22, 2023 | HPK | P | 100,000 | $14.47 | $1,447,000 | 4,508,833 Direct | +2.27% | Acquired | -45.7% (price as of 2026-10-02) |
| Dec. 21, 2023 | HPK | P | 50,442 | $14.19 | $715,772 | 4,408,833 Direct | +1.16% | Acquired | -44.7% (price as of 2026-10-02) |
| Sept. 20, 2023 | HPK | P | 275,999 | $16.55 | $4,567,783 | 4,358,391 Direct | +6.76% | Acquired | -52.6% (price as of 2026-10-02) |
| Sept. 19, 2023 | HPK | P | 224,001 | $16.59 | $3,716,177 | 4,082,392 Direct | +5.81% | Acquired | -52.7% (price as of 2026-10-02) |
| July 21, 2023 | HPK | A | 1,000,000 | · | · | 1,000,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 19, 2023 | HPK | P | 952,380 | $10.50 | $9,999,990 | 3,858,391 Direct | +32.77% | Acquired | -25.2% (price as of 2026-10-02) |
| Jan. 4, 2023 | HPK | P | 131,539 | $22.00 | $2,893,858 | 2,906,011 Direct | +4.74% | Acquired | -64.3% (price as of 2026-10-02) |
| Dec. 22, 2022 | HPK | P | 35,399 | $21.88 | $774,530 | 2,774,472 Direct | +1.29% | Acquired | -64.1% (price as of 2026-10-02) |
| Dec. 21, 2022 | HPK | P | 14,601 | $21.98 | $320,930 | 2,739,073 Direct | +0.54% | Acquired | -64.3% (price as of 2026-10-02) |
| Aug. 22, 2022 | HPK | A | 462,749 | $21.61 | $10,000,006 | 2,724,472 Direct | +20.46% | Acquired | -63.7% (price as of 2026-10-02) |
| Aug. 15, 2022 | HPK | A | 352,000 | · | · | 352,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 4, 2022 | HPK | A | 377,500 | · | · | 377,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 22, 2021 | HPK | P | 1,219 | $4.39 | $5,351 | 681,298 Direct | +0.18% | Acquired | 78.8% (price as of 2026-10-02) |
| Nov. 19, 2021 | HPK | P | 2,339 | $4.47 | $10,455 | 680,079 Direct | +0.35% | Acquired | 75.6% (price as of 2026-10-02) |
| Nov. 18, 2021 | HPK | P | 3,777 | $4.95 | $18,696 | 677,740 Direct | +0.56% | Acquired | 58.6% (price as of 2026-10-02) |
| Nov. 17, 2021 | HPK | P | 12,863 | $4.99 | $64,186 | 673,963 Direct | +1.95% | Acquired | 57.3% (price as of 2026-10-02) |
| Nov. 16, 2021 | HPK | P | 20,689 | $4.94 | $102,204 | 661,100 Direct | +3.23% | Acquired | 58.9% (price as of 2026-10-02) |
| Nov. 15, 2021 | HPK | P | 40,411 | $4.75 | $191,952 | 640,411 Direct | +6.74% | Acquired | 65.3% (price as of 2026-10-02) |
| Nov. 4, 2021 | HPK | A | 1,385,500 | · | · | 2,261,723 Direct | +158.12% | Acquired | (price as of 2026-10-02) |
| Nov. 4, 2021 | HPK | A | 164,500 | · | · | 6,117,995 Direct | +2.76% | Acquired | (price as of 2026-10-02) |
| April 5, 2021 | HPK | P | 111,973 | $6.75 | $755,818 | 276,223 Direct | +68.17% | Acquired | 16.3% (price as of 2026-10-02) |
| April 1, 2021 | HPK | P | 164,250 | $6.53 | $1,072,552 | 164,250 Direct | · | Acquired | 20.2% (price as of 2026-10-02) |
| Aug. 24, 2020 | HPK | A | 5,953,495 | · | · | 5,953,495 Direct | · | 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 21, 2023 | HPK | Employee Stock Option (right to buy) | Common Stock, par value $0.0001 per share | $10.50 | Oct. 31, 2026 | 1,000,000 | Acquired |
| Aug. 15, 2022 | HPK | Employee Stock Option (right to buy) | Common Stock, par value $0.0001 per share | $19.98 | Aug. 13, 2032 | 352,000 | Acquired |
| May 4, 2022 | HPK | Employee Stock Option (right to buy) | Common Stock, par value $0.0001 per share | $29.67 | May 3, 2032 | 377,500 | Acquired |
| Nov. 22, 2021 | HPK | Warrants (right to buy) | Common Stock, par value $0.0001 per share | $11.50 | Aug. 21, 2025 | 1,219 | Acquired |
| Nov. 19, 2021 | HPK | Warrants (right to buy) | Common Stock, par value $0.0001 per share | $11.50 | Aug. 21, 2025 | 2,339 | Acquired |
| Nov. 18, 2021 | HPK | Warrants (right to buy) | Common Stock, par value $0.0001 per share | $11.50 | Aug. 21, 2025 | 3,777 | Acquired |
| Nov. 17, 2021 | HPK | Warrants (right to buy) | Common Stock, par value $0.0001 per share | $11.50 | Aug. 21, 2025 | 12,863 | Acquired |
| Nov. 16, 2021 | HPK | Warrants (right to buy) | Common Stock, par value $0.0001 per share | $11.50 | Aug. 21, 2025 | 20,689 | Acquired |
| Nov. 15, 2021 | HPK | Warrants (right to buy) | Common Stock, par value $0.0001 per share | $11.50 | Aug. 21, 2025 | 40,411 | Acquired |
| Nov. 4, 2021 | HPK | Employee Stock Option (right to buy) | Common Stock, par value $0.0001 per share | $14.36 | Nov. 3, 2031 | 164,500 | Acquired |
| Aug. 24, 2020 | HPK | Employee Stock Option (right to buy) | Common Stock, par value $0.0001 per share | $10.00 | Aug. 23, 2030 | 5,953,495 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).