Highbridge Capital Management, LLC

CIK 919185 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Jan. 12, 2024 · Latest: Sept. 18, 2025

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Institution

View 13F portfolio

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 6 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

6 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Jan. 10, 2024 919185 S 250,000 $10.75 $2,687,500 250,000 Indirect -50.00% Disposed
May 11, 2023 919185 S 81,175 $10.32 $837,726 418,315 Indirect -16.25% Disposed
May 4, 2023 919185 S 310 $10.31 $3,196 499,490 Indirect -0.06% Disposed
April 28, 2023 919185 S 200 $10.32 $2,064 499,800 Indirect -0.04% Disposed
June 22, 2022 919185 S 105,966 $10.14 $1,074,495 779,216 Indirect -11.97% Disposed
June 21, 2022 919185 S 55,941 $10.14 $567,242 885,182 Indirect -5.94% Disposed
Aug. 27, 2021 HYMC S 173,560 $2.02 $350,591 5,995,316 Indirect -2.81% Disposed 32.2% (price as of 2026-08-21)
Aug. 4, 2021 HYMC S 44,631 $2.15 $95,957 6,168,876 Indirect -0.72% Disposed 24.2% (price as of 2026-08-21)
Aug. 3, 2021 HYMC S 16,174 $2.10 $33,965 6,213,507 Indirect -0.26% Disposed 27.1% (price as of 2026-08-21)
Aug. 2, 2021 HYMC S 130,688 $2.15 $280,979 6,229,681 Indirect -2.05% Disposed 24.2% (price as of 2026-08-21)
July 30, 2021 HYMC S 73,640 $2.32 $170,845 6,360,369 Indirect -1.14% Disposed 15.1% (price as of 2026-08-21)
July 14, 2021 HYMC S 29,413 $2.74 $80,592 6,434,009 Indirect -0.46% Disposed -2.6% (price as of 2026-08-21)
July 13, 2021 HYMC S 76,787 $2.77 $212,700 6,463,422 Indirect -1.17% Disposed -3.6% (price as of 2026-08-21)
July 12, 2021 HYMC S 8,790 $2.82 $24,788 6,540,209 Indirect -0.13% Disposed -5.3% (price as of 2026-08-21)
July 9, 2021 HYMC S 34,910 $2.89 $100,890 6,548,999 Indirect -0.53% Disposed -7.6% (price as of 2026-08-21)
July 6, 2021 HYMC S 52 $2.95 $153 6,583,909 Indirect 0.00% Disposed -9.5% (price as of 2026-08-21)
June 28, 2021 HYMC S 11,015 $3.14 $34,587 6,583,961 Indirect -0.17% Disposed -15.0% (price as of 2026-08-21)
June 25, 2021 HYMC S 51,829 $3.17 $164,298 6,594,976 Indirect -0.78% Disposed -15.8% (price as of 2026-08-21)
June 24, 2021 HYMC S 155,486 $3.23 $502,220 6,646,805 Indirect -2.29% Disposed -17.3% (price as of 2026-08-21)
June 23, 2021 HYMC S 67,445 $3.23 $217,847 6,802,291 Indirect -0.98% Disposed -17.3% (price as of 2026-08-21)
June 22, 2021 HYMC S 49,943 $3.11 $155,323 6,869,736 Indirect -0.72% Disposed -14.1% (price as of 2026-08-21)
June 21, 2021 HYMC S 5,411 $3.10 $16,774 6,919,679 Indirect -0.08% Disposed -13.9% (price as of 2026-08-21)
June 18, 2021 HYMC S 1,432 $3.23 $4,625 6,925,090 Indirect -0.02% Disposed -17.3% (price as of 2026-08-21)
June 17, 2021 HYMC S 56,145 $3.23 $181,348 6,926,522 Indirect -0.80% Disposed -17.3% (price as of 2026-08-21)
June 16, 2021 HYMC S 3,500 $3.51 $12,285 6,982,667 Indirect -0.05% Disposed -23.9% (price as of 2026-08-21)
June 15, 2021 HYMC S 11,300 $3.50 $39,550 6,986,167 Indirect -0.16% Disposed -23.7% (price as of 2026-08-21)
June 14, 2021 HYMC S 70,000 $3.51 $245,700 6,997,467 Indirect -0.99% Disposed -23.9% (price as of 2026-08-21)
Feb. 11, 2020 919185 P 5,200 $14.60 $75,920 1,962,848 Indirect +0.27% Acquired
Feb. 7, 2020 919185 P 115,309 $14.01 $1,615,479 1,957,648 Indirect +6.26% Acquired
Feb. 6, 2020 919185 P 68,466 $15.15 $1,037,260 1,842,339 Indirect +3.86% Acquired
Feb. 4, 2020 919185 P 30,301 $16.31 $494,209 1,773,873 Indirect +1.74% Acquired
Feb. 3, 2020 919185 P 8,569 $16.54 $141,731 1,743,572 Indirect +0.49% Acquired
Jan. 31, 2020 919185 P 80,020 $17.12 $1,369,942 1,735,003 Indirect +4.84% Acquired
Jan. 30, 2020 919185 P 81,385 $17.55 $1,428,307 1,654,983 Indirect +5.17% Acquired
Jan. 29, 2020 919185 P 10,914 $18.20 $198,635 1,573,598 Indirect +0.70% Acquired
Jan. 23, 2020 919185 P 2,214 $17.92 $39,675 1,562,684 Indirect +0.14% Acquired
Jan. 22, 2020 919185 P 10,482 $17.84 $186,999 1,560,470 Indirect +0.68% Acquired
Jan. 21, 2020 919185 P 10,212 $17.60 $179,731 1,549,988 Indirect +0.66% Acquired
Jan. 17, 2020 919185 P 16,458 $17.94 $295,257 1,539,776 Indirect +1.08% Acquired
Jan. 16, 2020 919185 P 16,359 $17.43 $285,137 1,523,318 Indirect +1.09% Acquired
April 5, 2019 919185 S 19,827 $16.83 $333,688 1,455,961 Indirect -1.34% Disposed
April 5, 2019 919185 S 67,954 $17.76 $1,206,863 1,475,788 Indirect -4.40% Disposed
April 5, 2019 919185 S 1,000 $17.79 $17,790 1,543,742 Indirect -0.06% Disposed
April 4, 2019 919185 S 10,526 $15.83 $166,627 1,544,742 Indirect -0.68% Disposed
April 4, 2019 919185 S 10,000 $16.12 $161,200 1,555,268 Indirect -0.64% Disposed
April 3, 2019 919185 S 130 $17.25 $2,242 1,565,268 Indirect -0.01% Disposed
April 3, 2019 919185 S 300 $17.32 $5,196 1,565,398 Indirect -0.02% Disposed
April 3, 2019 919185 S 27,295 $16.10 $439,450 1,565,698 Indirect -1.71% Disposed

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
March 27, 2020 919185 3.0% / 5.0% Convertible Sr Secured PIK Toggle Notes due 2024 Common Stock, par value $0.01 per share [F3] (66,899,079) — — — Acquired
March 27, 2020 919185 5.0% / 7.0% Convertible Sr Secured PIK Toggle Notes due 2022 Common Stock, par value $0.01 per share [F1] — — — Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).