Sionna Therapeutics, Inc. - SION
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | — | S | D | 33,800.0 | 7.46 | 252,148.0 | 3,448,812.0 | View | |
| Sep 21, 2026 | — | S | D | 3,415,011.0 | 6.32 | 21,582,869.52 | 3,482,612.0 | View | |
| Sep 18, 2026 | CMO and Head of R&D | D | D | 155,700.0 | 0.0 | 0.0 | 0.0 | View | |
| Sep 18, 2026 | CMO and Head of R&D | A | A | 155,700.0 | 0.0 | 0.0 | 155,700.0 | View | |
| Sep 18, 2026 | CMO and Head of R&D | A | A | 50,000.0 | 0.0 | 0.0 | 128,415.0 | View | |
| Sep 18, 2026 | CMO and Head of R&D | A | A | 50,000.0 | 0.0 | 0.0 | 78,415.0 | View | |
| Sep 18, 2026 | CLO and Head of Program Mgmt. | D | D | 103,140.0 | 0.0 | 0.0 | 0.0 | View | |
| Sep 18, 2026 | CLO and Head of Program Mgmt. | A | A | 103,140.0 | 0.0 | 0.0 | 103,140.0 | View | |
| Sep 18, 2026 | CLO and Head of Program Mgmt. | A | A | 28,132.0 | 0.0 | 0.0 | 56,265.0 | View | |
| Sep 18, 2026 | CLO and Head of Program Mgmt. | A | A | 28,133.0 | 0.0 | 0.0 | 28,133.0 | View | |
| Sep 18, 2026 | CFO and CBO | D | D | 165,440.0 | 0.0 | 0.0 | 0.0 | View | |
| Sep 18, 2026 | CFO and CBO | A | A | 165,440.0 | 0.0 | 0.0 | 165,440.0 | View | |
| Sep 18, 2026 | CFO and CBO | A | A | 47,268.0 | 0.0 | 0.0 | 133,069.0 | View | |
| Sep 18, 2026 | CFO and CBO | A | A | 47,269.0 | 0.0 | 0.0 | 85,801.0 | View | |
| Sep 18, 2026 | President & CEO | D | D | 436,100.0 | 0.0 | 0.0 | 0.0 | View | |
| Sep 18, 2026 | President & CEO | A | A | 436,100.0 | 0.0 | 0.0 | 436,100.0 | View | |
| Sep 18, 2026 | President & CEO | A | A | 109,025.0 | 0.0 | 0.0 | 765,393.0 | View | |
| Sep 18, 2026 | President & CEO | A | A | 109,025.0 | 0.0 | 0.0 | 656,368.0 | View | |
| Jul 09, 2026 | — | S | D | 85,918.0 | 44.86 | 3,854,281.48 | 2,469,959.0 | View | |
| Jul 09, 2026 | — | S | D | 85,918.0 | 44.86 | 3,854,281.48 | 2,469,959.0 | View | |
| Jul 07, 2026 | Chief Legal Officer | M | D | 10,250.0 | 0.0 | 0.0 | 40,685.0 | View | |
| Jul 07, 2026 | Chief Legal Officer | S | D | 10,250.0 | 43.5963 | 446,862.08 | 0.0 | View | |
| Jul 07, 2026 | Chief Legal Officer | M | A | 10,250.0 | 6.11 | 62,627.5 | 10,250.0 | View | |
| Jul 02, 2026 | — | S | D | 115,844.0 | 45.5 | 5,270,902.0 | 2,555,877.0 | View | |
| Jul 02, 2026 | — | S | D | 115,844.0 | 45.5 | 5,270,902.0 | 2,555,877.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| Jun 18, 2026 | — | A | A | 17,340.0 | 0.0 | 0.0 | 17,340.0 | View | |
| 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 |