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Taysha Gene Therapies, Inc. (TSHA)

Taysha Gene Therapies, Inc. (TSHA) Insider Trading

Directors, officers and holders of more than 10% of TSHA report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 60 transactions on file: 0 with code P, 15 with code S and 35 with other codes.

DateInsiderCodeShares
Jul 10, 2026Nagendran SukumarS Sale200,000
Jun 1, 2026Stalfort John A IIIA Award21,335
Jun 1, 2026Sepp-Lorenzino LauraA Award42,671
Jun 1, 2026Donenberg Phillip B.A Award42,671
Jun 1, 2026Stalfort John A IIIA Award42,671
Jun 1, 2026Long Alison SA Award42,671
Jun 1, 2026Donenberg Phillip B.A Award21,335
Jun 1, 2026Sepp-Lorenzino LauraA Award21,335
Jun 1, 2026Long Alison SA Award21,335
Apr 10, 2026Nagendran SukumarM Exercise19,021
Apr 10, 2026Nagendran SukumarS Sale200,000
Apr 10, 2026Nagendran SukumarM Exercise19,021
Feb 4, 2026Alam KamranS Sale1,655
Jan 26, 2026Nagendran SukumarS Sale26,918
Jan 26, 2026Alam KamranS Sale23,849
Jan 26, 2026Nolan Sean P.S Sale41,312
Jan 23, 2026Nolan Sean P.S Sale136,789
Jan 23, 2026Alam KamranS Sale78,968
Jan 23, 2026Nagendran SukumarS Sale89,132
Jan 12, 2026Nolan Sean P.A Award648,000
Jan 12, 2026Alam KamranA Award359,000
Jan 12, 2026Nolan Sean P.A Award1,008,000
Jan 12, 2026Nagendran SukumarM Exercise111,324
Jan 12, 2026Nagendran SukumarM Exercise88,676
Jan 12, 2026Nagendran SukumarS Sale200,000
Jan 12, 2026Nagendran SukumarA Award427,000
Jan 12, 2026Alam KamranA Award231,000
Jan 12, 2026Nagendran SukumarM Exercise111,324
Jan 12, 2026Nagendran SukumarM Exercise88,676
Jan 12, 2026Nagendran SukumarA Award274,000
Dec 1, 2025Nagendran SukumarM Exercise260,047
Dec 1, 2025Nagendran SukumarM Exercise260,047
Dec 1, 2025Nagendran SukumarS Sale260,047
Nov 28, 2025Nagendran SukumarM Exercise70,172
Nov 28, 2025Nagendran SukumarM Exercise70,172
Nov 28, 2025Nagendran SukumarM Exercise39,953
Nov 28, 2025Nagendran SukumarS Sale110,125
Nov 28, 2025Nagendran SukumarM Exercise39,953
Sep 10, 2025Nagendran SukumarM Exercise41,150
Sep 10, 2025Nagendran SukumarS Sale200,000
Sep 10, 2025Nagendran SukumarM Exercise41,150
Aug 21, 2025Alam KamranS Sale54,491
Aug 21, 2025Nagendran SukumarS Sale57,054
Jun 2, 2025Stalfort John A IIIA Award56,623
Jun 2, 2025Sepp-Lorenzino LauraA Award113,246
Jun 2, 2025Long Alison SA Award113,246
Jun 2, 2025Stalfort John A IIIA Award113,246
Jun 2, 2025Donenberg Phillip B.A Award113,246
Jun 2, 2025Long Alison SA Award56,623
Jun 2, 2025Donenberg Phillip B.A Award56,623

The full Form 4 history is on the TSHA company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.