Insider Trading activities at Taysha Gene Thera5, Inc. (TSHA)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Taysha Gene Thera5, Inc. (TSHA) since 2021 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Taysha Gene Thera5, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1806310.

Total stock buying since 2021: $26,756,723.
Total stock sales since 2021: $1,693,513.
Total stock option exercises since 2021: $0.


8 insiders reported insider trading activities at Taysha Gene Thera5, Inc. (TSHA):
Insider trading activities of Nolan Sean P.
Insider trading activities of Stalfort John A Iii
Insider trading activities of Prasad Suyash
Insider trading activities of Nagendran Sukumar
Insider trading activities of Alam Kamran
Insider trading activities of Donenberg Phillip B.
Insider trading activities of Session R.a. Ii
Insider trading activities of Manning Paul B

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Taysha Gene Thera5, Inc. (TSHA).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 750,000 $2,062,500 111,545 $317,902 0 $0
2024 1,333,333 $2,999,999 0 $0 0 $0
2023 17,905,000 $16,186,398 582,095 $465,671 0 $0
2022 1,714,602 $4,675,249 95,000 $348,264 0 $0
2021 65,890 $832,577 33,000 $561,676 0 $0

Table 2. Monthly summary of insider trading at Taysha Gene Thera5, Inc. (TSHA).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-08 0 $0 111,545 $317,902 0 $0
2025-05 750,000 $2,062,500 0 $0 0 $0
2024-06 1,333,333 $2,999,999 0 $0 0 $0
2023-11 100,000 $163,000 0 $0 0 $0
2023-08 17,800,000 $16,019,998 33,000 $76,890 0 $0
2023-07 0 $0 85,872 $60,753 0 $0
2023-06 0 $0 463,223 $328,028 0 $0
2023-05 5,000 $3,400 0 $0 0 $0
2022-10 1,500,000 $3,000,000 0 $0 0 $0
2022-08 0 $0 32,000 $117,535 0 $0
2022-07 0 $0 36,784 $132,097 0 $0
2022-06 0 $0 26,216 $98,632 0 $0
2022-02 214,602 $1,675,249 0 $0 0 $0
2021-11 64,720 $806,428 0 $0 0 $0
2021-08 0 $0 33,000 $561,676 0 $0
2021-05 1,170 $26,149 0 $0 0 $0

Table 3. Detailed insider trading at Taysha Gene Thera5, Inc. (TSHA)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-08-21 Alam Kamran (CHIEF FINANCIAL OFFICER) Sale 54,491 2.85 155,299
2025-08-21 Nagendran Sukumar (President and Head of R&D) Sale 57,054 2.85 162,603
2025-05-30 Manning Paul B Buy 750,000 2.75 2,062,500
2024-06-27 Manning Paul B Buy 1,333,333 2.25 2,999,999
2023-11-17 Manning Paul B (10% Owner) Buy 100,000 1.63 163,000
2023-08-24 Alam Kamran (Chief Financial Officer) Sale 33,000 2.33 76,890
2023-08-16 Stalfort John A Iii (Director) Buy 777,778 .90 700,000
2023-08-16 Nolan Sean P. (Chief Executive Officer) Buy 444,444 .90 399,999
2023-08-16 Manning Paul B (10% Owner) Buy 16,466,667 .90 14,820,000
2023-08-16 Donenberg Phillip B. (Director) Buy 111,111 .90 99,999
2023-07-13 Session R.a. Ii Sale 5,344 .70 3,740
2023-07-12 Session R.a. Ii Sale 80,528 .71 57,013
2023-06-23 Session R.a. Ii (10% Owner) Sale 18,100 .70 12,742
2023-06-22 Session R.a. Ii (10% Owner) Sale 10,508 .70 7,387
2023-06-21 Session R.a. Ii (10% Owner) Sale 138,962 .70 97,690
2023-06-20 Session R.a. Ii (10% Owner) Sale 295,653 .71 210,209
2023-05-16 Nagendran Sukumar (President and Head of R&D) Buy 5,000 .68 3,400
2022-10-31 Manning Paul B (Director) Buy 1,500,000 2.00 3,000,000
2022-08-23 Alam Kamran (Chief Financial Officer) Sale 3,325 3.47 11,537
2022-08-22 Alam Kamran (Chief Financial Officer) Sale 9,717 3.50 34,009
2022-08-19 Alam Kamran (Chief Financial Officer) Sale 11,482 3.75 43,057
2022-08-18 Alam Kamran (Chief Financial Officer) Sale 7,476 3.87 28,932
2022-07-06 Prasad Suyash (CMO and Head of R&D) Sale 8,956 3.79 33,943
2022-07-05 Prasad Suyash (CMO and Head of R&D) Sale 3,905 3.51 13,706
2022-07-01 Prasad Suyash (CMO and Head of R&D) Sale 23,923 3.53 84,448
2022-06-30 Prasad Suyash (CMO and Head of R&D) Sale 13,892 3.72 51,678
2022-06-29 Prasad Suyash (CMO and Head of R&D) Sale 12,324 3.81 46,954
2022-02-03 Manning Paul B (Director) Buy 76,602 7.84 600,559
2022-02-02 Nagendran Sukumar (Director) Buy 10,000 8.01 80,100
2022-02-02 Manning Paul B (Director) Buy 125,000 7.77 971,250
2022-02-02 Donenberg Phillip B. (Director) Buy 3,000 7.78 23,340
2021-11-24 Manning Paul B (Director) Buy 2,202 13.19 29,044
2021-11-23 Session R.a. Ii (President and CEO) Buy 42,518 12.38 526,585
2021-11-23 Manning Paul B (Director) Buy 20,000 12.54 250,799
2021-08-20 Alam Kamran (Chief Financial Officer) Sale 11,840 16.92 200,332
2021-08-19 Alam Kamran (Chief Financial Officer) Sale 9,967 16.77 167,146
2021-08-18 Alam Kamran (Chief Financial Officer) Sale 11,193 17.35 194,198
2021-05-20 Nolan Sean P. (Director) Buy 1,170 22.35 26,149

Insider trading activities including stock purchases, stock sales, and option exercises of TSHA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Taysha Gene Thera5, Inc. (symbol TSHA, CIK number 1806310) see the Securities and Exchange Commission (SEC) website.



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