Booth Bruce

EDGAR CIK 0001451612

Sionna Therapeutics, Inc. - SION

  1. Manufacturing
  2. Chemicals
  3. Pharmaceutical Preparations
Director
Direct Buys
0
$0
0 Shares
Direct Sells
0
$0
0 Shares
Indirect Buys
0
$0
0 Shares
Indirect Sells
26
($22.09) M
-698,418 Shares
Monthly Values

Transaction Filed Type Shares @ Price Value Balance ( Change % ) Ownership
10/21/2025
10b5-1
10/21/2025
Sell
-73,460 @ $34.22
 ($2,514,030) 2,309,035 (-3.08%) Indirect - By Atlas Venture Fund XI, L.P.
10/21/2025
10b5-1
10/21/2025
Sell
-15,418 @ $34.22
 ($527,653) 686,567 (-2.20%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/20/2025
10b5-1
10/20/2025
Sell
-46,273 @ $32.09
 ($1,484,944) 2,382,495 (-1.91%) Indirect - By Atlas Venture Fund XI, L.P.
10/20/2025
10b5-1
10/20/2025
Sell
-9,712 @ $32.09
 ($311,667) 701,985 (-1.36%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/17/2025
10b5-1
10/20/2025
Sell
-50,520 @ $32.37
 ($1,635,117) 2,428,768 (-2.04%) Indirect - By Atlas Venture Fund XI, L.P.
10/17/2025
10b5-1
10/20/2025
Sell
-10,604 @ $32.37
 ($343,206) 711,697 (-1.47%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/16/2025
10b5-1
10/20/2025
Sell
-139,897 @ $32.35
 ($4,526,169) 2,479,288 (-5.34%) Indirect - By Atlas Venture Fund XI, L.P.
10/16/2025
10b5-1
10/20/2025
Sell
-29,363 @ $32.35
 ($949,998) 722,301 (-3.91%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/15/2025
10b5-1
10/15/2025
Sell
-95,758 @ $30.61
 ($2,930,694) 2,619,185 (-3.53%) Indirect - By Atlas Venture Fund XI, L.P.
10/15/2025
10b5-1
10/15/2025
Sell
-20,098 @ $30.61
 ($615,104) 751,664 (-2.60%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/14/2025
10b5-1
10/15/2025
Sell
-501 @ $29.95
 ($15,005) 2,714,943 (-0.02%) Indirect - By Atlas Venture Fund XI, L.P.
10/14/2025
10b5-1
10/15/2025
Sell
-105 @ $29.95
 ($3,145) 771,762 (-0.01%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/13/2025
10b5-1
10/15/2025
Sell
-48,130 @ $30.38
 ($1,462,200) 2,715,444 (-1.74%) Indirect - By Atlas Venture Fund XI, L.P.
10/13/2025
10b5-1
10/15/2025
Sell
-10,102 @ $30.38
 ($306,901) 771,867 (-1.29%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/10/2025
10b5-1
10/15/2025
Sell
-16,727 @ $29.98
 ($501,475) 2,763,574 (-0.60%) Indirect - By Atlas Venture Fund XI, L.P.
10/10/2025
10b5-1
10/15/2025
Sell
-3,511 @ $29.98
 ($105,260) 781,969 (-0.45%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/06/2025
10b5-1
10/07/2025
Sell
-9,753 @ $29.95
 ($292,102) 2,780,301 (-0.35%) Indirect - By Atlas Venture Fund XI, L.P.
10/06/2025
10b5-1
10/07/2025
Sell
-2,047 @ $29.95
 ($61,308) 785,480 (-0.26%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/03/2025
10b5-1
10/07/2025
Sell
-31,198 @ $30.00
 ($935,940) 2,790,054 (-1.11%) Indirect - By Atlas Venture Fund XI, L.P.
10/03/2025
10b5-1
10/07/2025
Sell
-6,548 @ $30.00
 ($196,440) 787,527 (-0.82%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
10/01/2025
10b5-1
10/01/2025
Sell
-165 @ $29.95
 ($4,942) 2,821,252 (-0.01%) Indirect - By Atlas Venture Fund XI, L.P.
10/01/2025
10b5-1
10/01/2025
Sell
-35 @ $29.95
 ($1,048) 794,075 (-0.00%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
09/30/2025
10b5-1
10/01/2025
Sell
-10,239 @ $30.06
 ($307,784) 2,821,417 (-0.36%) Indirect - By Atlas Venture Fund XI, L.P.
09/30/2025
10b5-1
10/01/2025
Sell
-2,149 @ $30.06
 ($64,599) 794,110 (-0.27%) Indirect - By Atlas Venture Opportunity Fund II, L.P.
09/29/2025
10b5-1
10/01/2025
Sell
-54,637 @ $30.09
 ($1,644,027) 2,831,656 (-1.89%) Indirect - By Atlas Venture Fund XI, L.P.
09/29/2025
10b5-1
10/01/2025
Sell
-11,468 @ $30.09
 ($345,072) 796,259 (-1.42%) Indirect - By Atlas Venture Opportunity Fund II, L.P.