Sionna Therapeutics, Inc. - SION
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
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Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| May 29, 2026 | — | S | D | 101.0 | 44.49 | 4,493.49 | 2,671,721.0 | View | |
| May 29, 2026 | — | S | D | 101.0 | 44.49 | 4,493.49 | 2,671,721.0 | View | |
| May 11, 2026 | — | S | D | 184,639.0 | 46.22 | 8,534,014.58 | 2,671,822.0 | View | |
| May 11, 2026 | — | S | D | 59,767.0 | 44.58 | 2,664,412.86 | 2,856,461.0 | View | |
| May 11, 2026 | — | S | D | 48,546.0 | 44.61 | 2,165,637.06 | 2,916,228.0 | View | |
| May 11, 2026 | — | S | D | 184,639.0 | 46.22 | 8,534,014.58 | 2,671,822.0 | View | |
| May 11, 2026 | — | S | D | 59,767.0 | 44.58 | 2,664,412.86 | 2,856,461.0 | View | |
| May 11, 2026 | — | S | D | 48,546.0 | 44.61 | 2,165,637.06 | 2,916,228.0 | View | |
| Apr 21, 2026 | — | S | D | 2,948.0 | 44.52 | 131,244.96 | 2,964,774.0 | View | |
| Apr 21, 2026 | — | S | D | 52,397.0 | 44.68 | 2,341,097.96 | 2,967,722.0 | View | |
| Apr 21, 2026 | — | S | D | 2,948.0 | 44.52 | 131,244.96 | 2,964,774.0 | View | |
| Apr 21, 2026 | — | S | D | 52,397.0 | 44.68 | 2,341,097.96 | 2,967,722.0 | View | |
| Apr 16, 2026 | — | S | D | 226,906.0 | 45.34 | 10,287,918.04 | 3,020,119.0 | View | |
| Apr 16, 2026 | — | S | D | 235,863.0 | 44.64 | 10,528,924.32 | 3,247,025.0 | View | |
| Apr 16, 2026 | — | S | D | 47,814.0 | 44.51 | 2,128,201.14 | 3,482,888.0 | View | |
| Apr 16, 2026 | — | S | D | 226,906.0 | 45.34 | 10,287,918.04 | 3,020,119.0 | View | |
| Apr 16, 2026 | — | S | D | 235,863.0 | 44.64 | 10,528,924.32 | 3,247,025.0 | View | |
| Apr 16, 2026 | — | S | D | 47,814.0 | 44.51 | 2,128,201.14 | 3,482,888.0 | View | |
| Mar 06, 2026 | Chief Legal Officer | M | D | 10,250.0 | 0.0 | 0.0 | 50,935.0 | View | |
| Mar 06, 2026 | Chief Legal Officer | S | D | 10,250.0 | 33.8555 | 347,018.88 | 0.0 | View | |
| Mar 06, 2026 | Chief Legal Officer | M | A | 10,250.0 | 6.11 | 62,627.5 | 10,250.0 | View | |
| Feb 04, 2026 | — | S | D | 29,063.0 | 44.58 | 1,295,628.54 | 3,530,702.0 | View | |
| Feb 04, 2026 | — | S | D | 1,890.0 | 44.57 | 84,237.3 | 3,559,765.0 | View | |
| Feb 04, 2026 | — | S | D | 29,063.0 | 44.58 | 1,295,628.54 | 3,530,702.0 | View | |
| Feb 04, 2026 | — | S | D | 1,890.0 | 44.57 | 84,237.3 | 3,559,765.0 | View | |
| Jan 26, 2026 | — | S | D | 250,000.0 | 40.0 | 10,000,000.0 | 6,494,962.0 | View | |
| Jan 06, 2026 | CFO | A | A | 165,440.0 | 0.0 | 0.0 | 165,440.0 | View | |
| Jan 06, 2026 | Chief Business Officer | A | A | 139,340.0 | 0.0 | 0.0 | 139,340.0 | View | |
| Jan 06, 2026 | President & CEO | A | A | 436,100.0 | 0.0 | 0.0 | 436,100.0 | View | |
| Jan 06, 2026 | Chief Legal Officer | A | A | 103,140.0 | 0.0 | 0.0 | 103,140.0 | View | |
| Jan 06, 2026 | Chief Medical Officer | A | A | 155,700.0 | 0.0 | 0.0 | 155,700.0 | View | |
| Dec 29, 2025 | — | S | D | 33,356.0 | 44.55 | 1,486,009.8 | 3,561,655.0 | View | |
| Dec 29, 2025 | — | S | D | 33,356.0 | 44.55 | 1,486,009.8 | 3,561,655.0 | View | |
| Dec 19, 2025 | — | S | D | 875.0 | 44.49 | 38,928.75 | 3,595,011.0 | View | |
| Dec 19, 2025 | — | S | D | 100.0 | 44.49 | 4,449.0 | 3,595,886.0 | View | |
| Dec 19, 2025 | — | S | D | 900.0 | 44.5 | 40,050.0 | 3,595,986.0 | View | |
| Dec 19, 2025 | — | S | D | 875.0 | 44.49 | 38,928.75 | 3,595,011.0 | View | |
| Dec 19, 2025 | — | S | D | 100.0 | 44.49 | 4,449.0 | 3,595,886.0 | View | |
| Dec 19, 2025 | — | S | D | 900.0 | 44.5 | 40,050.0 | 3,595,986.0 | View | |
| Dec 09, 2025 | Chief Legal Officer | M | D | 10,250.0 | 0.0 | 0.0 | 61,185.0 | View | |
| Dec 09, 2025 | Chief Legal Officer | S | D | 10,250.0 | 40.52 | 415,330.0 | 0.0 | View | |
| Dec 09, 2025 | Chief Legal Officer | M | A | 10,250.0 | 6.11 | 62,627.5 | 10,250.0 | View |