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CIK 0001806310 · Non-accelerated filer<br>Smaller reporting company

Taysha Gene Therapies, Inc.

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Ticker
TSHA
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
843199512
Phone
(214) 612-0000
Business address
3000 PEGASUS PARK DRIVE, SUITE 1430, DALLAS, TX, 75247
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 7 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-09-10 Nagendran Sukumar President and Head of R&D Option exercise · Employee Stock Option (right to buy) 10b5-1 −41,150 292,855
2025-08-21 Nagendran Sukumar President and Head of R&D Sale −57,054 $2.85 $163K 1,165,289
2025-08-21 Alam Kamran CHIEF FINANCIAL OFFICER Sale −54,491 $2.85 $155K 1,187,603
2025-06-02 Stalfort John A III Director Grant or award +56,623 1,155,224
2025-06-02 Stalfort John A III Director Grant or award · Stock Option (right to buy) +113,246 113,246
2025-06-02 Donenberg Phillip B. Director Grant or award +56,623 219,954
2025-06-02 Donenberg Phillip B. Director Grant or award · Stock Option (right to buy) +113,246 113,246
2025-06-02 Long Alison S Director Grant or award +56,623 105,843
2025-06-02 Long Alison S Director Grant or award · Stock Option (right to buy) +113,246 113,246
2025-06-02 Sepp-Lorenzino Laura Director Grant or award +56,623 105,843
2025-06-02 Sepp-Lorenzino Laura Director Grant or award · Stock Option (right to buy) +113,246 113,246
2025-05-30 Manning Paul B 10% owner Purchase +750,000 $2.75 $2.1M 2,841,704
2025-03-11 Alam Kamran CHIEF FINANCIAL OFFICER Shares withheld for taxes −29,843 $1.69 $50K 1,242,094
2025-01-02 Nolan Sean P. Chief Executive Officer Grant or award +892,500 2,078,358
2025-01-02 Nolan Sean P. Chief Executive Officer Grant or award · Employee Stock Option (right to buy) +892,500 892,500
2025-01-02 Nagendran Sukumar President and Head of R&D Grant or award +324,500 1,222,343
2025-01-02 Nagendran Sukumar President and Head of R&D Grant or award · Employee Stock Option (right to buy) +324,500 324,500
2025-01-02 Alam Kamran CHIEF FINANCIAL OFFICER Grant or award +431,000 1,271,937
2025-01-02 Alam Kamran CHIEF FINANCIAL OFFICER Grant or award · Employee Stock Option (right to buy) +431,000 431,000
2024-06-27 Manning Paul B 10% owner Purchase +1,333,333 $2.25 $3.0M 1,333,333

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