Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 33 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

33 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 19, 2024 ALT S 8,184 $6.88 $56,306 55,524 Indirect -12.85% Disposed -60.9% (price as of 2026-10-05)
Aug. 19, 2024 ALT S 7,827 $6.93 $54,241 41,958 Indirect -15.72% Disposed -61.2% (price as of 2026-10-05)
Aug. 15, 2023 ALT P 300 $2.88 $864 29,785 Indirect +1.02% Acquired -6.6% (price as of 2026-10-05)
March 23, 2023 ALT P 9,000 $4.27 $38,430 29,484 Indirect +43.94% Acquired -37.0% (price as of 2026-10-05)
June 15, 2022 ALT P 1,000 $8.00 $8,000 20,012 Direct +5.26% Acquired -66.4% (price as of 2026-10-05)
May 24, 2022 ALT P 1,200 $4.50 $5,400 19,012 Direct +6.74% Acquired -40.2% (price as of 2026-10-05)
Aug. 23, 2017 ALT P 5,000 $2.27 $11,350 30,777 Direct +19.40% Acquired -96.0% (price as of 2026-10-05)
Aug. 22, 2017 ALT P 5,000 $2.15 $10,750 25,777 Direct +24.07% Acquired -95.8% (price as of 2026-10-05)

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
Aug. 19, 2024 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (21,750) $2.50 Sept. 28, 2033 21,750 Disposed
Aug. 19, 2024 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (20,000) $2.60 Jan. 2, 2029 20,000 Disposed
Sept. 28, 2023 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (26,100) $2.50 Sept. 28, 2033 26,100 Acquired
Nov. 18, 2022 ALT Stock Options (option to buy) Common Stock, par value $0.0001 · Dec. 31, 2022 139 Disposed
Sept. 29, 2022 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (23,500) $12.62 Sept. 29, 2032 23,500 Acquired
Jan. 25, 2022 ALT Stock Options (option to buy) Common Stock, par value $0.0001 · Dec. 31, 2022 70 Disposed
Dec. 14, 2021 ALT Stock Options (option to buy) Common Stock, par value $0.0001 · Jan. 3, 2022 139 Disposed
Nov. 19, 2021 ALT Stock Options (option to buy) Common Stock, par value $0.0001 · Dec. 3, 2021 70 Disposed
Sept. 23, 2021 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (24,100) $15.44 Sept. 23, 2031 24,100 Acquired
Nov. 13, 2020 ALT Stock Options (option to buy) Common Stock (60) · Dec. 30, 2020 60 Disposed
Sept. 24, 2020 ALT Restricted Stock Units ("RSUs") Common Stock (16,850) · · 16,850 Disposed
Sept. 24, 2020 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (25,500) $12.03 Sept. 24, 2030 25,500 Acquired
June 25, 2020 ALT Restricted Stock Units ("RSUs") Common Stock (16,850) · · 16,850 Acquired
Jan. 2, 2019 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (20,000) $2.60 Jan. 2, 2029 20,000 Acquired
Oct. 13, 2017 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (20,000) $2.50 Oct. 13, 2027 20,000 Acquired
May 4, 2017 ALT Stock Options (option to buy) Common Stock, par value $0.0001 (139) $17.70 Dec. 31, 2023 139 Acquired
May 4, 2017 ALT Stock Options (option to buy) [F1] Common Stock, par value $0.0001 (139) $2.40 Dec. 31, 2022 139 Acquired
May 4, 2017 ALT Stock Option (option to buy) Common Stock, par value $0.0001 (4,177) $0.59 Dec. 31, 2022 4,177 Acquired
May 4, 2017 ALT Stock Option (option to buy) Common Stock, par value $0.0001 (4,178) $0.08 Dec. 31, 2022 4,178 Acquired
May 4, 2017 ALT Stock Option (option to buy) Common Stock, par value $0.0001 (4,178) $0.08 Jan. 3, 2022 4,178 Acquired
May 4, 2017 ALT Stock Option (option to buy) Common Stock, par value $0.0001 (2,090) $0.08 Dec. 3, 2021 2,090 Acquired
May 4, 2017 ALT Stock Option (option to buy) Common Stock, par value $0.0001 (1,791) $0.08 Dec. 30, 2020 1,791 Acquired
May 4, 2017 ALT Stock Option (option to buy) Common Stock, par value $0.0001 (1,791) $0.08 June 8, 2020 1,791 Acquired
May 4, 2017 ALT Stock Option (option to buy) Common Stock, par value $0.0001 (4,755) $0.08 June 8, 2020 4,755 Acquired

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