Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 19 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 21, 2016 ALT M 17,657 · · 35,312 Direct -33.33% Disposed (price as of 2026-10-05)
Dec. 21, 2016 ALT M 5,000 · · 5,000 Direct -50.00% Disposed (price as of 2026-10-05)
Dec. 21, 2016 ALT M 17,657 $1.66 $29,311 126,346 Direct +16.25% Acquired -94.6% (price as of 2026-10-05)
Dec. 21, 2016 ALT M 5,000 $1.71 $8,550 108,689 Direct +4.82% Acquired -94.8% (price as of 2026-10-05)
Sept. 20, 2016 ALT M 17,656 · · 52,969 Direct -25.00% Disposed (price as of 2026-10-05)
Sept. 20, 2016 ALT M 10,000 · · 10,000 Direct -50.00% Disposed (price as of 2026-10-05)
Sept. 20, 2016 ALT M 14,063 · · 4,687 Direct -75.00% Disposed (price as of 2026-10-05)
Sept. 20, 2016 ALT M 5,625 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Sept. 20, 2016 ALT M 1,845 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Sept. 20, 2016 ALT M 4,500 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Sept. 20, 2016 ALT M 17,656 $1.66 $29,309 103,689 Direct +20.52% Acquired -94.6% (price as of 2026-10-05)
Sept. 20, 2016 ALT M 10,000 $1.71 $17,100 86,033 Direct +13.15% Acquired -94.8% (price as of 2026-10-05)
Sept. 20, 2016 ALT M 14,063 $1.94 $27,282 76,033 Direct +22.69% Acquired -95.4% (price as of 2026-10-05)
Sept. 20, 2016 ALT M 5,625 $1.13 $6,356 61,970 Direct +9.98% Acquired -92.1% (price as of 2026-10-05)
Sept. 20, 2016 ALT M 1,845 $1.21 $2,232 56,345 Direct +3.39% Acquired -92.6% (price as of 2026-10-05)
Sept. 20, 2016 ALT M 4,500 $1.21 $5,445 54,500 Direct +9.00% Acquired -92.6% (price as of 2026-10-05)
Dec. 3, 2015 ALT A 70,625 · · 70,625 Direct · Acquired (price as of 2026-10-05)
Dec. 3, 2015 ALT A 25,000 · · 50,000 Direct +100.00% Acquired (price as of 2026-10-05)
May 1, 2015 ALT A 25,000 · · 25,000 Direct · Acquired (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
Dec. 21, 2016 ALT Employee Stock Option (right to buy) Common Stock (17,657) $1.66 Dec. 3, 2025 17,657 Disposed
Dec. 21, 2016 ALT Employee Stock Option (right to buy) Common Stock (5,000) $1.71 Dec. 8, 2024 5,000 Disposed
Sept. 20, 2016 ALT Employee Stock Option (right to buy) Common Stock (17,656) $1.66 Dec. 3, 2025 17,656 Disposed
Sept. 20, 2016 ALT Employee Stock Option (right to buy) Common Stock (10,000) $1.71 Dec. 8, 2024 10,000 Disposed
Sept. 20, 2016 ALT Employee Stock Option (right to buy) Common Stock (14,063) $1.94 Jan. 29, 2024 14,063 Disposed
Sept. 20, 2016 ALT Employee Stock Option (right to buy) Common Stock (5,625) $1.13 Dec. 3, 2022 5,625 Disposed
Sept. 20, 2016 ALT Employee Stock Option (right to buy) Common Stock (1,845) $1.21 Dec. 1, 2021 1,845 Disposed
Sept. 20, 2016 ALT Employee Stock Option (right to buy) Common Stock (4,500) $1.21 Dec. 1, 2021 4,500 Disposed
Dec. 3, 2015 ALT Stock Options (right to buy) Common Stock (70,625) $1.66 Dec. 3, 2025 70,625 Acquired

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

Initial ownership (Form 3) 8 holdings

07

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

DateTickerSecuritySharesOwnership
May 5, 2015 ALT Common Stock, par value $0.0001 per share 25,000 Direct
May 5, 2015 ALT Stock Purchase Option→ Common Stock (15,000) 15,000 Direct
May 5, 2015 ALT Stock Purchase Option→ Common Stock (1,845) 1,845 Direct
May 5, 2015 ALT Stock Purchase Option→ Common Stock (4,500) 4,500 Direct
May 5, 2015 ALT Stock Purchase Option→ Common Stock (5,625) 5,625 Direct
May 5, 2015 ALT Stock Purchase Option→ Common Stock (18,750) 18,750 Direct
May 5, 2015 ALT Stock Purchase Option→ Common Stock (20,000) 20,000 Direct
Sept. 15, 2011 ALT Stock Purchase Options→ Common Stock (15,000) 15,000 Direct