Albert Cha

CIK 1397906 · View on SEC EDGAR ↗

Activist

First SEC filing: Aug. 20, 2025 · Latest: Aug. 20, 2025

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 47 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

47 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 11, 2023 KALV S 18,000 $10.50 $189,000 0 Direct -100.00% Disposed
Oct. 30, 2020 KALV P 47,431 $17.34 $822,454 1,138,179 Indirect +4.35% Acquired
Oct. 30, 2020 KALV P 68,255 $17.17 $1,171,938 1,090,748 Indirect +6.68% Acquired
Jan. 25, 2018 YARW P 35,686 $17.00 $606,662 35,686 Indirect — Acquired -99.9% (price as of 2026-08-19)
Jan. 25, 2018 YARW P 258,432 $17.00 $4,393,344 258,432 Indirect — Acquired -99.9% (price as of 2026-08-19)
Oct. 13, 2015 ACRS P 454,545 $11.00 $4,999,995 4,191,397 Indirect +12.16% Acquired -42.2% (price as of 2026-08-19)
Oct. 7, 2015 ACRS P 13,352 $11.00 $146,872 303,206 Indirect +4.61% Acquired -42.2% (price as of 2026-08-19)
April 14, 2015 KALV P 7,364 $5.00 $36,820 4,204,562 Indirect +0.18% Acquired
April 14, 2015 KALV P 1,005,136 $5.00 $5,025,680 4,197,198 Indirect +31.49% Acquired
April 14, 2015 KALV P 7,364 $5.00 $36,820 4,204,564 Indirect +0.18% Acquired
April 14, 2015 KALV P 1,005,136 $5.00 $5,025,680 4,197,200 Indirect +31.49% Acquired

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
Sept. 26, 2023 KALV Stock Option (right to buy) Common Stock (10,000) $10.08 Sept. 25, 2033 10,000 Acquired
Sept. 11, 2023 KALV Employee Stock Option (right to buy) Common Stock (12,000) $7.88 March 22, 2027 12,000 Disposed
Sept. 11, 2023 KALV Employee Stock Option (right to buy) Common Stock (6,000) $6.71 Sept. 27, 2027 6,000 Disposed
Oct. 13, 2022 KALV Employee Stock Option (right to buy) Common Stock (10,000) $4.53 Oct. 12, 2032 10,000 Acquired
Sept. 30, 2021 KALV Director Stock Option (Right to Buy) Common Stock (10,000) $17.45 Sept. 29, 2031 10,000 Acquired
Oct. 1, 2020 KALV Director Stock Option (right to buy) Common Stock (7,000) $12.88 Sept. 30, 2030 7,000 Acquired
Jan. 29, 2018 YARW Series B Preferred Stock Common Stock (324,306) — — 874,817 Disposed
Jan. 29, 2018 YARW Series C Preferred Stock Common Stock (917,559) — — 2,475,118 Disposed
Jan. 29, 2018 YARW Series C Preferred Stock Common Stock (126,703) — — 341,784 Disposed
Jan. 29, 2018 YARW Series B Preferred Stock Common Stock (2,348,550) — — 6,335,215 Disposed
Sept. 27, 2017 KALV Director Stock Option (Right to Buy) Common Stock (6,000) $6.71 Sept. 26, 2027 6,000 Acquired
March 23, 2017 KALV Director Stock Option (Right to Buy) Common Stock (12,000) $7.88 March 22, 2027 12,000 Acquired
June 29, 2016 ACRS Stock Option (right to buy) Common Stock (6,632) $18.32 June 28, 2026 6,632 Acquired
Oct. 13, 2015 ACRS Series C Preferred Stock Common Stock (398,667) — — 1,375,405 Disposed
Oct. 13, 2015 ACRS Series B Preferred Stock Common Stock (527,009) — — 1,818,182 Disposed
Oct. 13, 2015 ACRS Series A Preferred Stock Common Stock (2,507,970) — — 8,652,500 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (2,230) — — 2,230 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (304,438) — — 304,438 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (2,842) — — 2,842 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (387,960) — — 387,960 Disposed
April 14, 2015 KALV Series B Convertible Preferred Stock Common Stock (18,140) — — 18,140 Disposed
April 14, 2015 KALV Series B Convertible Preferred Stock Common Stock (2,476,452) — — 2,476,452 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (2,230) — — 2,230 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (304,438) — — 304,438 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (2,842) — — 2,842 Disposed
April 14, 2015 KALV Convertible Promissory Note Common Stock (387,960) — — 387,960 Disposed
April 14, 2015 KALV Series B Convertible Preferred Stock Common Stock (18,142) — — 18,142 Disposed
April 14, 2015 KALV Series B Convertible Preferred Stock Common Stock (2,476,452) — — 2,476,452 Disposed

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

Initial ownership (Form 3) 22 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
March 18, 2026 ASND Ordinary Shares [F1] 3,730 Direct
March 18, 2026 ASND Warrants→ Ordinary Shares (542) 542 Direct
March 18, 2026 ASND Warrants→ Ordinary Shares (7,500) 7,500 Direct
March 18, 2026 ASND Warrants→ Ordinary Shares (6,420) 6,420 Direct
March 18, 2026 ASND Warrants→ Ordinary Shares (3,053) 3,053 Direct
March 18, 2026 ASND Restricted Stock Units→ Ordinary Shares (1,374) 1,374 Direct
March 18, 2026 ASND Restricted Stock Units→ Ordinary Shares (2,070) 2,070 Direct
March 18, 2026 ASND Restricted Stock Units→ Ordinary Shares (1,930) 1,930 Direct
Jan. 24, 2018 YARW Series B Preferred Stock→ Common Stock (2,348,550) 2,348,550 Indirect
Jan. 24, 2018 YARW Series B Preferred Stock→ Common Stock (324,306) 324,306 Indirect
Jan. 24, 2018 YARW Series C Preferred Stock→ Common Stock (917,559) 917,559 Indirect
Jan. 24, 2018 YARW Series C Preferred Stock→ Common Stock (126,703) 126,703 Indirect
Oct. 6, 2015 ACRS Common Stock 289,854 Indirect
Oct. 6, 2015 ACRS Series A Preferred Stock→ Common Stock (2,507,970) 2,507,970 Indirect
Oct. 6, 2015 ACRS Series B Preferred Stock→ Common Stock (527,009) 527,009 Indirect
Oct. 6, 2015 ACRS Series C Preferred Stock→ Common Stock (398,667) 398,667 Indirect
April 8, 2015 KALV Series B Convertible Preferred Stock→ Common Stock (2,476,452) 2,476,452 Indirect
April 8, 2015 KALV Series B Convertible Preferred Stock→ Common Stock (18,142) 18,142 Indirect
April 8, 2015 KALV Convertible Promissory Note→ Common Stock (387,960) 387,960 Indirect
April 8, 2015 KALV Convertible Promissory Note→ Common Stock (2,842) 2,842 Indirect
April 8, 2015 KALV Convertible Promissory Note→ Common Stock (304,438) 304,438 Indirect
April 8, 2015 KALV Convertible Promissory Note→ Common Stock (2,230) 2,230 Indirect