Insider at

04

Insider transactions

05
0 buys (P) 3 sells (S) Net: $-1,209,295 + 13 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

13 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 6, 2026 SION S 10b5-1 10,250 $43.60 $446,900 0 Direct -100.00% Disposed -91.7% (price as of )
March 5, 2026 SION S 10b5-1 10,250 $33.86 $347,065 0 Direct -100.00% Disposed -89.4% (price as of )
Dec. 5, 2025 SION S 10b5-1 10,250 $40.52 $415,330 0 Direct -100.00% Disposed -91.1% (price as of )
Sept. 4, 2025 SION S 10b5-1 10,250 $23.12 $236,980 0 Direct -100.00% Disposed -84.4% (price as of )

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Sept. 17, 2026 SION Non-Qualified Stock Option (right to buy) Common Stock (103,140) · Jan. 1, 2036 103,140 Acquired
Sept. 17, 2026 SION Non-Qualified Stock Option (right to buy) Common Stock (103,140) $39.21 Jan. 1, 2036 103,140 Disposed
July 6, 2026 SION Non-Qualified Stock Option (right to buy) Common Stock (10,250) $6.11 July 14, 2034 10,250 Disposed
March 5, 2026 SION Non-Qualified Stock Option (right to buy) Common Stock (10,250) $6.11 July 14, 2034 10,250 Disposed
Jan. 2, 2026 SION Non-Qualified Stock Option (right to buy) Common Stock (103,140) $39.21 Jan. 1, 2036 103,140 Acquired
Dec. 5, 2025 SION Non-Qualified Stock Option (right to buy) Common Stock (10,250) $6.11 July 14, 2034 10,250 Disposed
Sept. 4, 2025 SION Non-Qualified Stock Option (right to buy) Common Stock (10,250) $6.11 July 14, 2034 10,250 Disposed

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

Initial ownership (Form 3) 2 holdings

07

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

DateTickerSecuritySharesOwnership
April 1, 2025 SION Stock Option (Right to Buy)→ Common Stock (147,149) 147,149 Direct
April 1, 2025 SION Stock Option (Right to Buy)→ Common Stock (120,686) 120,686 Direct