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  4. SIONNA THERAPEUTICS INC.
Sionna Therapeutics Inc. XNAS: SION
34.71 0.31 (0.90%)
225.2K
XNAS Volume

XNAS 07 Nov, 2025 4:30 PM (EST)

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The next board meeting for Sionna Therapeutics Inc. is on 12 Nov 2025 for the purpose of Stifel 2025 Healthcare Conference See details


Insider Trading disclosures for Sionna Therapeutics Inc.

The latest disclosure was made by Bruce Booth in Sionna Therapeutics Inc. where a trade of 19,948 Common Stock done at an average price of $33.9 was reported to US exchanges on Oct. 21, 2025.

Insider trading is the trading of a company’s securities by individuals with access to confidential or material non-public information about the company. A company is required to report trading by corporate officers, directors, or other company members with significant access to privileged information to the Securities and Exchange Commission (SEC).

Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 33.87 per share. 21 Oct 2025 19,948 2,340,208 - 33.9 675,639 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.69 per share. 21 Oct 2025 4,688 697,297 - 32.7 153,251 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.69 per share. 21 Oct 2025 22,339 2,360,156 - 32.7 730,262 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 36.41 per share. 21 Oct 2025 17 686,567 - 36.4 619 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 36.42 per share. 21 Oct 2025 83 2,309,035 - 36.4 3,023 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 35.69 per share. 21 Oct 2025 5,316 686,584 - 35.7 189,728 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 35.69 per share. 21 Oct 2025 25,327 2,309,118 - 35.7 903,921 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 34.91 per share. 21 Oct 2025 1,210 691,900 - 34.9 42,241 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 34.91 per share. 21 Oct 2025 5,763 2,334,445 - 34.9 201,186 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 33.87 per share. 21 Oct 2025 4,187 693,110 - 33.9 141,814 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 21 Oct 2025 30,049 577,392 - 6.1 183,599 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 34.44 per share. 21 Oct 2025 13,324 547,343 - 34.4 458,879 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 21 Oct 2025 13,324 560,667 - 6.1 81,410 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 21 Oct 2025 33,532 53,142 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 21 Oct 2025 22,895 86,674 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 21 Oct 2025 30,049 109,569 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 21 Oct 2025 13,324 139,618 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 37.31 per share. 21 Oct 2025 33,532 547,343 - 37.3 1,251,079 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 21 Oct 2025 33,532 580,875 - 6.1 204,881 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 36.60 per share. 21 Oct 2025 22,895 547,343 - 36.6 837,957 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 21 Oct 2025 22,895 570,238 - 6.1 139,888 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 35.63 per share. 21 Oct 2025 30,049 547,343 - 35.6 1,070,646 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.15 per share. 16 Oct 2025 8,596 2,610,589 - 30.1 259,169 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.33 per share. 16 Oct 2025 5,412 701,985 - 32.3 174,970 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.33 per share. 16 Oct 2025 25,788 2,382,495 - 32.3 833,726 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.79 per share. 16 Oct 2025 4,300 707,397 - 31.8 136,697 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.79 per share. 16 Oct 2025 20,485 2,408,283 - 31.8 651,218 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 33.46 per share. 16 Oct 2025 52 711,697 - 33.5 1,740 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 33.47 per share. 16 Oct 2025 248 2,428,768 - 33.5 8,301 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.71 per share. 16 Oct 2025 4,503 711,749 - 32.7 147,293 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.71 per share. 16 Oct 2025 21,451 2,429,016 - 32.7 701,662 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.10 per share. 16 Oct 2025 6,049 716,252 - 32.1 194,173 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.10 per share. 16 Oct 2025 28,821 2,450,467 - 32.1 925,154 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 33.38 per share. 16 Oct 2025 2,705 722,301 - 33.4 90,293 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 33.38 per share. 16 Oct 2025 12,888 2,479,288 - 33.4 430,201 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.84 per share. 16 Oct 2025 15,384 725,006 - 32.8 505,211 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 32.84 per share. 16 Oct 2025 73,296 2,492,176 - 32.8 2,407,041 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.69 per share. 16 Oct 2025 9,470 740,390 - 31.7 300,104 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.69 per share. 16 Oct 2025 45,117 2,565,472 - 31.7 1,429,758 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.15 per share. 16 Oct 2025 1,804 749,860 - 30.2 54,391 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 15 Oct 2025 14,775 562,118 - 6.1 90,275 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Oct 2025 200 152,942 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Oct 2025 10,225 153,142 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Oct 2025 14,775 163,367 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 34.00 per share. 15 Oct 2025 200 547,343 - 34 6,800 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 15 Oct 2025 200 547,543 - 6.1 1,222 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 31.46 per share. 15 Oct 2025 10,225 547,343 - 31.5 321,691 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 15 Oct 2025 10,225 557,568 - 6.1 62,475 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 31.11 per share. 15 Oct 2025 14,775 547,343 - 31.1 459,662 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.98 per share. 10 Oct 2025 16,727 2,763,574 - 30.0 501,475 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.12 per share. 10 Oct 2025 6,303 751,664 - 31.1 196,149 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.12 per share. 10 Oct 2025 30,032 2,619,185 - 31.1 934,596 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.37 per share. 10 Oct 2025 13,795 757,967 - 30.4 418,954 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.37 per share. 10 Oct 2025 65,726 2,649,217 - 30.4 1,996,099 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.95 per share. 10 Oct 2025 105 771,762 - 30.0 3,145 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.95 per share. 10 Oct 2025 501 2,714,943 - 30.0 15,005 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.03 per share. 10 Oct 2025 857 771,867 - 31.0 26,593 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 31.03 per share. 10 Oct 2025 4,082 2,715,444 - 31.0 126,664 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.32 per share. 10 Oct 2025 9,245 772,724 - 30.3 280,308 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.32 per share. 10 Oct 2025 44,048 2,719,526 - 30.3 1,335,535 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.98 per share. 10 Oct 2025 3,511 781,969 - 30.0 105,260 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.95 per share. 03 Oct 2025 2,047 785,480 - 30.0 61,308 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.95 per share. 03 Oct 2025 9,753 2,780,301 - 29.9 292,102 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.00 per share. 03 Oct 2025 6,548 787,527 - 30 196,440 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.00 per share. 03 Oct 2025 31,198 2,790,054 - 30 935,940 Common Stock
Caroline Stark Beer Chief Business Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 01 Oct 2025 255,000 255,000 - - Non-Qualified Stock Option (right to buy)
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.09 per share. 29 Sep 2025 54,637 2,831,656 - 30.1 1,644,027 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.94 per share. 29 Sep 2025 35 794,075 - 29.9 1,048 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 29.95 per share. 29 Sep 2025 165 2,821,252 - 30.0 4,942 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.06 per share. 29 Sep 2025 2,149 794,110 - 30.1 64,599 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.06 per share. 29 Sep 2025 10,239 2,821,417 - 30.1 307,784 Common Stock
Bruce Booth Director Sale of securities on an exchange or to another person at price $ 30.09 per share. 29 Sep 2025 11,468 796,259 - 30.1 345,072 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 28.85 per share. 26 Sep 2025 17,207 547,343 - 28.8 496,346 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 26 Sep 2025 17,207 564,550 - 6.1 105,135 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 26 Sep 2025 7,793 178,142 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 26 Sep 2025 17,207 185,935 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 29.70 per share. 26 Sep 2025 7,793 547,343 - 29.7 231,451 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 26 Sep 2025 7,793 555,136 - 6.1 47,615 Common Stock
Jennifer Fitzpatrick Chief Legal Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 04 Sep 2025 10,250 10,250 - 6.1 62,628 Common Stock
Jennifer Fitzpatrick Chief Legal Officer Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 04 Sep 2025 10,250 71,435 - - Non-Qualified Stock Option (right to buy)
Jennifer Fitzpatrick Chief Legal Officer Sale of securities on an exchange or to another person at price $ 23.12 per share. 04 Sep 2025 10,250 0 - 23.1 236,980 Common Stock
Elena H. Ridloff CFO & Head of Corp. Dev. Sale of securities on an exchange or to another person at price $ 25.18 per share. 29 Aug 2025 748 47,368 - 25.2 18,835 Common Stock
Elena H. Ridloff CFO & Head of Corp. Dev. Sale of securities on an exchange or to another person at price $ 25.08 per share. 29 Aug 2025 8,836 38,532 - 25.1 221,607 Common Stock
Elena H. Ridloff CFO & Head of Corp. Dev. Sale of securities on an exchange or to another person at price $ 25.13 per share. 26 Aug 2025 3,700 67,832 - 25.1 92,981 Common Stock
Elena H. Ridloff CFO & Head of Corp. Dev. Sale of securities on an exchange or to another person at price $ 25.97 per share. 26 Aug 2025 16,098 48,116 - 26.0 418,065 Common Stock
Elena H. Ridloff CFO & Head of Corp. Dev. Sale of securities on an exchange or to another person at price $ 25.10 per share. 26 Aug 2025 3,618 64,214 - 25.1 90,812 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 25.01 per share. 26 Aug 2025 7,426 547,343 - 25.0 185,714 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 26 Aug 2025 7,426 554,769 - 6.1 45,373 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 24.96 per share. 26 Aug 2025 17,574 547,343 - 25.0 438,647 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 26 Aug 2025 17,574 564,917 - 6.1 107,377 Common Stock
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 26 Aug 2025 17,574 210,568 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 26 Aug 2025 7,426 203,142 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 20 Aug 2025 25,000 228,142 - - Non-Qualified Stock Option (right to buy)
Michael Cloonan Director, President & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 6.11 per share. 20 Aug 2025 25,000 572,343 - 6.1 152,750 Common Stock
Michael Cloonan Director, President & CEO Sale of securities on an exchange or to another person at price $ 22.75 per share. 20 Aug 2025 25,000 547,343 - 22.8 568,750 Common Stock
Elena H. Ridloff CFO & Head of Corp. Dev. Sale of securities on an exchange or to another person at price $ 22.69 per share. 19 Aug 2025 17,500 71,532 - 22.7 397,075 Common Stock
Elena H. Ridloff CFO & Head of Corp. Dev. Sale of securities on an exchange or to another person at price $ 21.08 per share. 19 Aug 2025 34,500 89,032 - 21.1 727,260 Common Stock
Paul J. Clancy Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
Peter A. Thompson Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
Bruce Booth Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
Laurie D. Stelzer Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
Joshua Resnick Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
Joanne Louise Viney Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
H. Edward Fleming Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
Marcella Kuhlman Ruddy Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jun 2025 19,959 19,959 - - Non-Qualified Stock Option (right to buy)
Peter A. Thompson Director Purchase of securities on an exchange or from another person at price $ 18.00 per share. 10 Feb 2025 550,000 3,704,959 - 18 9,900,000 Common Stock
Peter A. Thompson Director 10 Feb 2025 3,154,959 3,154,959 - - Common Stock
Peter A. Thompson Director 10 Feb 2025 2,048,760 0 - - Series C convertible preferred stock
Peter A. Thompson Director 10 Feb 2025 2,560,951 0 - - Series B convertible preferred stock
Bruce Booth Director 10 Feb 2025 61,463 0 - - Series C convertible preferred stock
Bruce Booth Director 10 Feb 2025 1,092,504 0 - - Series C convertible preferred stock
Bruce Booth Director 10 Feb 2025 2,886,293 2,886,293 - - Common Stock
Bruce Booth Director 10 Feb 2025 747,727 747,727 - - Common Stock
Bruce Booth Director Purchase of securities on an exchange or from another person at price $ 18.00 per share. 10 Feb 2025 60,000 807,727 - 18 1,080,000 Common Stock
Bruce Booth Director 10 Feb 2025 1,051,051 0 - - Series Seed convertible preferred stock
Bruce Booth Director 10 Feb 2025 1,806,317 0 - - Series A convertible preferred stock
Bruce Booth Director 10 Feb 2025 1,298,332 0 - - Series B convertible preferred stock
Elena H. Ridloff CFO & Head of Corp. Dev. Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Feb 2025 157,820 157,820 - - Stock Option (Right to Buy)
Michael Cloonan Director, President & CEO Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Feb 2025 450,252 450,252 - - Stock Option (Right to Buy)
Joanne Louise Viney Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Feb 2025 39,919 39,919 - - Stock Option (Right to Buy)
Marcella Kuhlman Ruddy Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Feb 2025 39,919 39,919 - - Stock Option (Right to Buy)
Charlotte McKee Chief Medical Officer Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Feb 2025 148,536 148,536 - - Stock Option (Right to Buy)
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
View All The Insider Trades disclosures