Sionna Therapeutics, Inc. - SION
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| Nov 26, 2025 | — | S | D | 1,600.0 | 44.49 | 71,184.0 | 3,596,886.0 | View | |
| Nov 26, 2025 | — | S | D | 11,890.0 | 44.6 | 530,294.0 | 3,598,486.0 | View | |
| Nov 26, 2025 | — | S | D | 94,583.0 | 44.54 | 4,212,726.82 | 3,610,376.0 | View | |
| Nov 26, 2025 | — | S | D | 1,600.0 | 44.49 | 71,184.0 | 3,596,886.0 | View | |
| Nov 26, 2025 | — | S | D | 11,890.0 | 44.6 | 530,294.0 | 3,598,486.0 | View | |
| Nov 26, 2025 | — | S | D | 94,583.0 | 44.54 | 4,212,726.82 | 3,610,376.0 | View | |
| Nov 24, 2025 | — | S | D | 7,609.0 | 39.5 | 300,555.5 | 159,033.0 | View | |
| Nov 24, 2025 | — | S | D | 6,440.0 | 39.5 | 254,380.0 | 2,198,082.0 | View | |
| Nov 24, 2025 | — | S | D | 9,924.0 | 39.5 | 391,998.0 | 650,307.0 | View | |
| Nov 24, 2025 | — | S | D | 1,210.0 | 39.5 | 47,795.0 | 6,897,623.0 | View | |
| Nov 24, 2025 | — | S | D | 604.0 | 40.5 | 24,462.0 | 166,642.0 | View | |
| Nov 24, 2025 | — | S | D | 512.0 | 40.5 | 20,736.0 | 2,204,522.0 | View | |
| Nov 24, 2025 | — | S | D | 788.0 | 40.5 | 31,914.0 | 660,231.0 | View | |
| Nov 24, 2025 | — | S | D | 96.0 | 40.5 | 3,888.0 | 6,898,833.0 | View | |
| Nov 24, 2025 | — | S | D | 947.0 | 39.89 | 37,775.83 | 167,246.0 | View | |
| Nov 24, 2025 | — | S | D | 801.0 | 39.89 | 31,951.89 | 2,205,034.0 | View | |
| Nov 24, 2025 | — | S | D | 1,235.0 | 39.89 | 49,264.15 | 661,019.0 | View | |
| Nov 24, 2025 | — | S | D | 150.0 | 39.89 | 5,983.5 | 6,898,929.0 | View | |
| Nov 19, 2025 | — | S | D | 9.0 | 40.61 | 365.49 | 168,193.0 | View | |
| Nov 19, 2025 | — | S | D | 8.0 | 40.61 | 324.88 | 2,205,835.0 | View | |
| Nov 19, 2025 | — | S | D | 12.0 | 40.61 | 487.32 | 662,254.0 | View | |
| Nov 19, 2025 | — | S | D | 2.0 | 40.61 | 81.22 | 6,899,079.0 | View | |
| Nov 19, 2025 | — | S | D | 14,325.0 | 40.01 | 573,143.25 | 168,202.0 | View | |
| Nov 19, 2025 | — | S | D | 12,126.0 | 40.01 | 485,161.26 | 2,205,843.0 | View | |
| Nov 19, 2025 | — | S | D | 18,684.0 | 40.01 | 747,546.84 | 662,266.0 | View | |
| Nov 19, 2025 | — | S | D | 2,276.0 | 40.01 | 91,062.76 | 6,899,081.0 | View | |
| Nov 19, 2025 | — | S | D | 2,092.0 | 39.57 | 82,780.44 | 182,527.0 | View | |
| Nov 19, 2025 | — | S | D | 1,770.0 | 39.57 | 70,038.9 | 2,217,969.0 | View | |
| Nov 19, 2025 | — | S | D | 2,728.0 | 39.57 | 107,946.96 | 680,950.0 | View | |
| Nov 19, 2025 | — | S | D | 332.0 | 39.57 | 13,137.24 | 6,901,357.0 | View | |
| Nov 19, 2025 | — | S | D | 331.0 | 42.1 | 13,935.1 | 184,619.0 | View | |
| Nov 19, 2025 | — | S | D | 280.0 | 42.1 | 11,788.0 | 2,219,739.0 | View | |
| Nov 19, 2025 | — | S | D | 433.0 | 42.1 | 18,229.3 | 683,678.0 | View | |
| Nov 19, 2025 | — | S | D | 53.0 | 42.1 | 2,231.3 | 6,901,689.0 | View | |
| Nov 19, 2025 | — | S | D | 10,707.0 | 41.05 | 439,522.35 | 184,950.0 | View | |
| Nov 19, 2025 | — | S | D | 9,063.0 | 41.05 | 372,036.15 | 2,220,019.0 | View | |
| Nov 19, 2025 | — | S | D | 13,964.0 | 41.05 | 573,222.2 | 684,111.0 | View | |
| Nov 19, 2025 | — | S | D | 1,701.0 | 41.05 | 69,826.05 | 6,901,742.0 | View | |
| Nov 19, 2025 | — | S | D | 13,734.0 | 40.2 | 552,106.8 | 195,657.0 | View | |
| Nov 19, 2025 | — | S | D | 11,626.0 | 40.2 | 467,365.2 | 2,229,082.0 | View | |
| Nov 19, 2025 | — | S | D | 17,913.0 | 40.2 | 720,102.6 | 698,075.0 | View | |
| Nov 19, 2025 | — | S | D | 2,182.0 | 40.2 | 87,716.4 | 6,903,443.0 | View | |
| Oct 28, 2025 | — | S | D | 10,476.0 | 39.58 | 414,640.08 | 209,391.0 | View | |
| Oct 28, 2025 | — | S | D | 17,118.0 | 39.58 | 677,530.44 | 2,240,708.0 | View | |
| Oct 28, 2025 | — | S | D | 31,392.0 | 39.58 | 1,242,495.36 | 715,988.0 | View | |
| Oct 28, 2025 | — | S | D | 3,624.0 | 39.58 | 143,437.92 | 6,905,625.0 | View | |
| Oct 28, 2025 | — | S | D | 107,941.0 | 39.5 | 4,263,669.5 | 219,867.0 | View | |
| Oct 28, 2025 | — | S | D | 66,672.0 | 39.5 | 2,633,544.0 | 2,257,826.0 | View | |
| Oct 28, 2025 | — | S | D | 122,271.0 | 39.5 | 4,829,704.5 | 747,380.0 | View | |
| Oct 28, 2025 | — | S | D | 14,116.0 | 39.5 | 557,582.0 | 6,909,249.0 | View | |
| Oct 22, 2025 | President & CEO | M | D | 33,532.0 | 0.0 | 0.0 | 53,142.0 | View | |
| Oct 22, 2025 | President & CEO | M | D | 22,895.0 | 0.0 | 0.0 | 86,674.0 | View | |
| Oct 22, 2025 | President & CEO | M | D | 30,049.0 | 0.0 | 0.0 | 109,569.0 | View | |
| Oct 22, 2025 | President & CEO | M | D | 13,324.0 | 0.0 | 0.0 | 139,618.0 | View | |
| Oct 22, 2025 | President & CEO | S | D | 33,532.0 | 37.31 | 1,251,078.92 | 547,343.0 | View | |
| Oct 22, 2025 | President & CEO | M | A | 33,532.0 | 6.11 | 204,880.52 | 580,875.0 | View | |
| Oct 22, 2025 | President & CEO | S | D | 22,895.0 | 36.6 | 837,957.0 | 547,343.0 | View | |
| Oct 22, 2025 | President & CEO | M | A | 22,895.0 | 6.11 | 139,888.45 | 570,238.0 | View | |
| Oct 22, 2025 | President & CEO | S | D | 30,049.0 | 35.63 | 1,070,645.87 | 547,343.0 | View | |
| Oct 22, 2025 | President & CEO | M | A | 30,049.0 | 6.11 | 183,599.39 | 577,392.0 | View | |
| Oct 22, 2025 | President & CEO | S | D | 13,324.0 | 34.44 | 458,878.56 | 547,343.0 | View | |
| Oct 22, 2025 | President & CEO | M | A | 13,324.0 | 6.11 | 81,409.64 | 560,667.0 | View | |
| Oct 21, 2025 | — | S | D | 17.0 | 36.42 | 619.14 | 686,567.0 | View | |
| Oct 21, 2025 | — | S | D | 83.0 | 36.42 | 3,022.86 | 2,309,035.0 | View | |
| Oct 21, 2025 | — | S | D | 5,316.0 | 35.69 | 189,728.04 | 686,584.0 | View | |
| Oct 21, 2025 | — | S | D | 25,327.0 | 35.69 | 903,920.63 | 2,309,118.0 | View | |
| Oct 21, 2025 | — | S | D | 1,210.0 | 34.91 | 42,241.1 | 691,900.0 | View | |
| Oct 21, 2025 | — | S | D | 5,763.0 | 34.91 | 201,186.33 | 2,334,445.0 | View | |
| Oct 21, 2025 | — | S | D | 4,187.0 | 33.87 | 141,813.69 | 693,110.0 | View | |
| Oct 21, 2025 | — | S | D | 19,948.0 | 33.87 | 675,638.76 | 2,340,208.0 | View | |
| Oct 21, 2025 | — | S | D | 4,688.0 | 32.69 | 153,250.72 | 697,297.0 | View | |
| Oct 21, 2025 | — | S | D | 22,339.0 | 32.69 | 730,261.91 | 2,360,156.0 | View | |
| Oct 20, 2025 | — | S | D | 5,412.0 | 32.33 | 174,969.96 | 701,985.0 | View | |
| Oct 20, 2025 | — | S | D | 25,788.0 | 32.33 | 833,726.04 | 2,382,495.0 | View | |
| Oct 20, 2025 | — | S | D | 4,300.0 | 31.79 | 136,697.0 | 707,397.0 | View | |
| Oct 20, 2025 | — | S | D | 20,485.0 | 31.79 | 651,218.15 | 2,408,283.0 | View | |
| Oct 20, 2025 | — | S | D | 52.0 | 33.47 | 1,740.44 | 711,697.0 | View | |
| Oct 20, 2025 | — | S | D | 248.0 | 33.47 | 8,300.56 | 2,428,768.0 | View | |
| Oct 20, 2025 | — | S | D | 4,503.0 | 32.71 | 147,293.13 | 711,749.0 | View | |
| Oct 20, 2025 | — | S | D | 21,451.0 | 32.71 | 701,662.21 | 2,429,016.0 | View | |
| Oct 20, 2025 | — | S | D | 6,049.0 | 32.1 | 194,172.9 | 716,252.0 | View | |
| Oct 20, 2025 | — | S | D | 28,821.0 | 32.1 | 925,154.1 | 2,450,467.0 | View | |
| Oct 20, 2025 | — | S | D | 2,705.0 | 33.38 | 90,292.9 | 722,301.0 | View | |
| Oct 20, 2025 | — | S | D | 12,888.0 | 33.38 | 430,201.44 | 2,479,288.0 | View | |
| Oct 20, 2025 | — | S | D | 15,384.0 | 32.84 | 505,210.56 | 725,006.0 | View | |
| Oct 20, 2025 | — | S | D | 73,296.0 | 32.84 | 2,407,040.64 | 2,492,176.0 | View | |
| Oct 20, 2025 | — | S | D | 9,470.0 | 31.69 | 300,104.3 | 740,390.0 | View | |
| Oct 20, 2025 | — | S | D | 45,117.0 | 31.69 | 1,429,757.73 | 2,565,472.0 | View | |
| Oct 20, 2025 | — | S | D | 1,804.0 | 30.15 | 54,390.6 | 749,860.0 | View | |
| Oct 20, 2025 | — | S | D | 8,596.0 | 30.15 | 259,169.4 | 2,610,589.0 | View |