Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 53 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

53 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 13, 2025 IMUX P 20,000 $0.83 $16,600 36,032 Direct +124.75% Acquired -5.8% (price as of 2026-10-06)
May 12, 2022 IMUX P 10,000 $5.03 $50,300 22,032 Direct +83.11% Acquired -84.5% (price as of 2026-10-06)
Aug. 10, 2021 IMUX P 1,000 $9.80 $9,800 15,032 Direct +7.13% Acquired -92.0% (price as of 2026-10-06)
May 12, 2021 IMUX P 4,000 $12.75 $51,000 14,032 Direct +39.87% Acquired -93.9% (price as of 2026-10-06)
Dec. 4, 2019 IMUX S 10b5-1 4,400 $6.96 $30,624 10,032 Direct -30.49% Disposed -88.8% (price as of 2026-10-06)
Feb. 15, 2018 AKBA S 10b5-1 1,000 $14.62 $14,620 21,499 Direct -4.44% Disposed -94.0% (price as of 2026-10-06)
Oct. 2, 2017 AKBA S 10b5-1 1,188 $19.64 $23,332 22,499 Direct -5.02% Disposed -95.5% (price as of 2026-10-06)
July 3, 2017 AKBA S 10b5-1 990 $14.27 $14,127 23,687 Direct -4.01% Disposed -93.8% (price as of 2026-10-06)
June 8, 2017 IMUX P 3,900 $3.12 $12,168 8,224 Direct +90.19% Acquired -99.4% (price as of 2026-10-06)
April 3, 2017 AKBA S 10b5-1 991 $9.20 $9,117 24,677 Direct -3.86% Disposed -90.5% (price as of 2026-10-06)
Jan. 3, 2017 AKBA S 10b5-1 1,980 $10.46 $20,711 25,668 Direct -7.16% Disposed -91.6% (price as of 2026-10-06)
Oct. 3, 2016 AKBA S 10b5-1 1,981 $8.96 $17,750 27,648 Direct -6.69% Disposed -90.2% (price as of 2026-10-06)
July 6, 2016 AKBA S 10b5-1 1,980 $7.48 $14,810 29,629 Direct -6.26% Disposed -88.3% (price as of 2026-10-06)
Oct. 2, 2015 AKBA S 10b5-1 996 $8.65 $8,615 31,609 Direct -3.05% Disposed -89.8% (price as of 2026-10-06)
July 2, 2015 AKBA S 10b5-1 996 $9.53 $9,492 32,605 Direct -2.96% Disposed -90.8% (price as of 2026-10-06)
April 2, 2015 AKBA S 10b5-1 996 $9.09 $9,054 12,016 Direct -7.65% Disposed -90.3% (price as of 2026-10-06)
April 2, 2015 AKBA S 10b5-1 996 $9.09 $9,054 12,016 Direct -7.65% Disposed -90.3% (price as of 2026-10-06)
Jan. 2, 2015 AKBA S 10b5-1 995 $11.46 $11,403 12,814 Direct -7.21% Disposed -92.3% (price as of 2026-10-06)
Jan. 2, 2015 AKBA S 10b5-1 995 $11.46 $11,403 12,814 Direct -7.21% Disposed -92.3% (price as of 2026-10-06)
Dec. 26, 2014 AKBA S 10b5-1 5,169 $11.19 $57,841 11,829 Direct -30.41% Disposed -92.1% (price as of 2026-10-06)
Dec. 26, 2014 AKBA S 10b5-1 5,169 $11.19 $57,841 11,829 Direct -30.41% Disposed -92.1% (price as of 2026-10-06)
Dec. 26, 2014 AKBA S 10b5-1 5,169 $11.19 $57,841 11,829 Direct -30.41% Disposed -92.1% (price as of 2026-10-06)
Dec. 24, 2014 AKBA S 10b5-1 6,764 $11.26 $76,163 16,998 Direct -28.47% Disposed -92.2% (price as of 2026-10-06)
Dec. 24, 2014 AKBA S 10b5-1 6,764 $11.26 $76,163 16,998 Direct -28.47% Disposed -92.2% (price as of 2026-10-06)
Dec. 24, 2014 AKBA S 10b5-1 6,764 $11.26 $76,163 16,998 Direct -28.47% Disposed -92.2% (price as of 2026-10-06)
Oct. 8, 2014 IMUX P 100 $17.50 $1,750 9,324 Direct +1.08% Acquired -99.9% (price as of 2026-10-06)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
July 16, 2025 IMUX Stock Appreciation Right Common Stock [F1] (315,000) $0.77 July 16, 2035 315,000 Acquired
July 16, 2025 IMUX Stock Appreciation Right Common Stock [F1] (315,000) $0.77 July 16, 2035 315,000 Acquired
July 16, 2025 IMUX Stock Appreciation Right Common Stock [F1] (630,000) $0.77 July 16, 2035 630,000 Acquired
July 16, 2025 IMUX Stock Appreciation Right Common Stock [F1] (630,000) $0.77 July 16, 2035 630,000 Acquired
July 16, 2025 IMUX Stock Appreciation Right Common Stock [F1] (315,000) $0.77 July 16, 2035 315,000 Acquired
June 5, 2025 IMUX Stock Option Common Stock (570,000) $0.77 June 5, 2035 570,000 Acquired
June 5, 2025 IMUX Stock Option Common Stock (560,000) $0.77 June 5, 2035 560,000 Acquired
Dec. 4, 2024 IMUX Stock Option Common Stock (300,000) $1.25 Dec. 4, 2034 300,000 Acquired
Dec. 4, 2024 IMUX Stock Option Common Stock (300,000) $1.25 Dec. 4, 2034 300,000 Acquired
March 4, 2024 IMUX Stock Option Common Stock (379,959) $1.72 · 379,959 Acquired
March 4, 2024 IMUX Stock Option Common Stock (10,000) $3.40 June 15, 2032 10,000 Disposed
March 4, 2024 IMUX Stock Option Common Stock (75,000) $10.88 March 10, 2032 75,000 Disposed
March 4, 2024 IMUX Stock Option Common Stock (10,000) $14.77 June 10, 2031 10,000 Disposed
March 4, 2024 IMUX Stock Option Common Stock (90,000) $15.44 April 15, 2031 90,000 Disposed
March 4, 2024 IMUX Stock Option Common Stock (120,000) $17.00 Oct. 22, 2030 120,000 Disposed
March 4, 2024 IMUX Stock Option Common Stock (30,000) $12.30 July 2, 2030 30,000 Disposed
March 4, 2024 IMUX Stock Option Common Stock (15,000) $12.30 July 2, 2030 15,000 Disposed
March 4, 2024 IMUX Stock Option Common Stock (19,973) $13.63 July 22, 2029 19,973 Disposed
March 4, 2024 IMUX Stock Option Common Stock (9,986) $13.63 July 22, 2029 9,986 Disposed
Jan. 17, 2024 IMUX Stock Option Common Stock (300,000) $1.21 Jan. 17, 2034 300,000 Acquired
Jan. 2, 2023 IMUX Stock Option Common Stock (132,000) $1.40 Jan. 1, 2033 132,000 Acquired
June 15, 2022 IMUX Stock Option Common Stock (10,000) $3.40 June 15, 2032 10,000 Acquired
March 10, 2022 IMUX Stock Option Common Stock (75,000) $10.88 March 10, 2032 75,000 Acquired
June 10, 2021 IMUX Stock Option Common Stock (10,000) $14.77 June 10, 2031 10,000 Acquired
April 15, 2021 IMUX Stock Option Common Stock (90,000) $15.44 April 15, 2031 90,000 Acquired
Oct. 22, 2020 IMUX Stock Option Common Stock (120,000) $17.00 Oct. 22, 2030 120,000 Acquired
July 2, 2020 IMUX Stock Option Common Stock (45,000) $12.30 July 1, 2030 45,000 Acquired
Dec. 2, 2019 IMUX Restricted Stock Units Common Stock (22,157) · · 22,157 Disposed
July 22, 2019 IMUX Stock Option Common Stock (29,959) $13.63 July 22, 2029 29,959 Acquired
Jan. 11, 2019 IMUX Stock Option (right to buy) Common Stock (93,377) $0.43 March 31, 2022 93,377 Disposed
Jan. 11, 2019 IMUX Stock Option (right to buy) Common Stock (23,344) $0.43 April 24, 2022 23,344 Disposed
Jan. 11, 2019 IMUX Stock Option (right to buy) Common Stock (241,670) $8.00 Sept. 25, 2022 241,670 Disposed
Jan. 11, 2019 IMUX Stock Option (right to buy) Common Stock (85,000) $8.28 May 12, 2026 85,000 Disposed
Jan. 11, 2019 IMUX Stock Option (right to buy) Common Stock (85,000) $3.20 June 9, 2027 85,000 Disposed
Jan. 11, 2019 IMUX Common Stock Common Stock (85,000) $5.00 June 8, 2028 85,000 Disposed
Jan. 11, 2019 IMUX Restricted Stock Units Common Stock (886,316) · · 886,316 Acquired
June 14, 2018 AKBA Stock Option (Right to buy) Common Stock (12,500) $11.14 June 14, 2028 12,500 Acquired
June 9, 2018 IMUX Stock Option (right to buy) Common Stock (85,000) $5.00 June 8, 2028 85,000 Acquired
June 15, 2017 AKBA Stock Option (Right to buy) Common Stock (12,500) $14.37 June 15, 2027 12,500 Acquired
June 10, 2017 IMUX Stock Option (right to buy) Common Stock (85,000) $3.20 June 9, 2027 85,000 Acquired
June 16, 2016 AKBA Stock Option (Right to buy) Common Stock (12,500) $8.56 June 16, 2026 12,500 Acquired
May 13, 2016 IMUX Stock Option (right to buy) Common Stock (85,000) $8.28 May 13, 2026 85,000 Acquired
June 10, 2015 AKBA Stock Option (Right to Buy) Common Stock (5,000) $7.86 June 10, 2025 5,000 Acquired

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

Initial ownership (Form 3) 6 holdings

07

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

DateTickerSecuritySharesOwnership
April 16, 2014 IMUX Common Stock 9,224 Indirect
April 16, 2014 IMUX Incentive Stock Option (right to buy)→ Common Stock (93,377) 93,377 Direct
April 16, 2014 IMUX Incentive Stock Option (right to buy)→ Common Stock (23,344) 23,344 Direct
April 16, 2014 IMUX Incentive Stock Option (right to buy)→ Common Stock (6,249) 6,249 Direct
April 16, 2014 IMUX Non-Qualifed Stock Option (right to buy)→ Common Stock (235,421) 235,421 Direct
March 19, 2014 AKBA Common Stock · Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $400,551 · · $368,505 $162,000 · · $979,881
2024 $388,416 · · · $77,683 · · $1,211,828
2023 $363,000 · · $144,355 $141,570 · · $648,925

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.