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Taysha Gene Therapies, Inc.

TSHA Net buying
CIK 0001806310 #2058 in the set updated 18 Sep 2026
Bought (120 mo)
$27.01M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$10.78M
$1.32M on a plan · $4.18M straight out of an exercise
Sold at will
$5.28M
36 of 43 sales
Net
+$16.23M
+$21.73M against sales at will

By person

10 insiders · 66 transactions
53.4×

Sean Nolan holds 53.4 times base salary in stock. $34.54M of shares against $645.84K in salary for 2025.

Salary from the company's own proxy. The shares are what Sean Nolan last reported holding, valued at $6.24, the price Common Stock was last bought or sold at on the open market here, on 10 Jul 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Manning Paul B
10% owner
$25.15M (13)
—
+$25.15M
6,195,139
1.90%
$38.66M
—
Nagendran Sukumar
President and Head of R&D
$83.50K (2)
$6.13M (9) scheduled
−$6.05M
936,410
0.2874%
$5.84M
—
PRASAD SUYASH
CMO and Head of R&D
—
$2.02M (12)
−$2.02M
530,589
0.1628%
$3.31M
—
Alam Kamran
CHIEF FINANCIAL OFFICER
—
$1.40M (14)
−$1.40M
1,442,131
0.4426%
$9.00M
—
Stalfort John A III
Director
$700.00K (2)
—
+$700.00K
2,060,849
0.6325%
$12.86M
+86.4%
Nolan Sean P.
Chief Executive Officer
$426.15K (2)
$840.20K (2)
−$414.05K
5,534,903
1.70%
$34.54M
+407.3%
Session R.A. II
10% owner
$529.10K (2)
$388.73K (6)
+$140.37K
8,871,747
2.72%
$55.36M
−2.8%
Donenberg Phillip B.
Director
$123.34K (2)
—
+$123.34K
241,289
0.0741%
$1.51M
—
Long Alison S
Director
—
—
—
127,178
0.0390%
$793.59K
—
Sepp-Lorenzino Laura
Director
—
—
—
127,178
0.0390%
$793.59K
—

Individual transactions

66
Insider
Date
Role
Action
Shares
Price
Amount
Nagendran Sukumar
10 Jul 2026
President and Head of R&D
Sold on a plan
200,000
$6.24
$1.25M
Nagendran Sukumar
10 Apr 2026
President and Head of R&D
Sold after exercise
200,000
$4.46
$892.00K
Alam Kamran
4 Feb 2026
CHIEF FINANCIAL OFFICER
Sell
1,655
$4.52
$7.48K
Alam Kamran
26 Jan 2026
CHIEF FINANCIAL OFFICER
Sell
23,849
$4.61
$109.94K
Nolan Sean P.
26 Jan 2026
Chief Executive Officer
Sell
41,312
$4.61
$190.45K
Nagendran Sukumar
26 Jan 2026
President and Head of R&D
Sell
26,918
$4.61
$124.09K
Alam Kamran
23 Jan 2026
CHIEF FINANCIAL OFFICER
Sell
78,968
$4.75
$375.10K
Nolan Sean P.
23 Jan 2026
Chief Executive Officer
Sell
136,789
$4.75
$649.75K
Nagendran Sukumar
23 Jan 2026
President and Head of R&D
Sell
89,132
$4.75
$423.38K
Nagendran Sukumar
12 Jan 2026
President and Head of R&D
Sold after exercise
200,000
$4.71
$942.00K
Nagendran Sukumar
1 Dec 2025
President and Head of R&D
Sold after exercise
260,047
$4.51
$1.17M
Nagendran Sukumar
28 Nov 2025
President and Head of R&D
Sold after exercise
110,125
$4.75
$523.09K
Nagendran Sukumar
10 Sep 2025
President and Head of R&D
Sold after exercise
200,000
$3.23
$646.00K
Alam Kamran
21 Aug 2025
CHIEF FINANCIAL OFFICER
Sell
54,491
$2.85
$155.30K
Nagendran Sukumar
21 Aug 2025
President and Head of R&D
Sell
57,054
$2.85
$162.60K
Manning Paul B
30 May 2025
10% owner
Buy indirect
750,000
$2.75
$2.06M
Manning Paul B
27 Jun 2024
10% owner
Buy
1,333,333
$2.25
$3.00M
Manning Paul B
17 Nov 2023
10% owner
Buy indirect
100,000
$1.63
$163.00K
Alam Kamran
24 Aug 2023
Chief Financial Officer
Sold on a plan
33,000
$2.33
$76.89K
Donenberg Phillip B.
16 Aug 2023
Director
Buy
111,111
$0.90
$100.00K
Nolan Sean P.
16 Aug 2023
Chief Executive Officer
Buy indirect
444,444
$0.90
$400.00K
Stalfort John A III
16 Aug 2023
Director
Buy
388,889
$0.90
$350.00K
Stalfort John A III
16 Aug 2023
Director
Buy indirect
388,889
$0.90
$350.00K
Manning Paul B
16 Aug 2023
10% owner
Buy indirect
16,466,667
$0.90
$14.82M
Session R.A. II
13 Jul 2023
10% owner
Sell
5,344
$0.70
$3.74K
Session R.A. II
12 Jul 2023
10% owner
Sell
80,528
$0.71
$57.03K
Session R.A. II
23 Jun 2023
10% owner
Sell
18,100
$0.70
$12.74K
Session R.A. II
22 Jun 2023
10% owner
Sell
10,508
$0.70
$7.38K
Session R.A. II
21 Jun 2023
10% owner
Sell
138,962
$0.70
$97.63K
Session R.A. II
20 Jun 2023
10% owner
Sell
295,653
$0.71
$210.21K
Nagendran Sukumar
16 May 2023
President and Head of R&D
Buy
5,000
$0.68
$3.40K
Manning Paul B
31 Oct 2022
Director
Buy
1,500,000
$2.00
$3.00M
Alam Kamran
23 Aug 2022
Chief Financial Officer
Sell
3,325
$3.47
$11.54K
Alam Kamran
22 Aug 2022
Chief Financial Officer
Sell
9,717
$3.50
$34.01K
Alam Kamran
19 Aug 2022
Chief Financial Officer
Sell
11,482
$3.75
$43.06K
Alam Kamran
18 Aug 2022
Chief Financial Officer
Sell
7,476
$3.87
$28.93K
PRASAD SUYASH
6 Jul 2022
CMO and Head of R&D
Sell
8,956
$3.79
$33.94K
PRASAD SUYASH
5 Jul 2022
CMO and Head of R&D
Sell
3,905
$3.51
$13.71K
PRASAD SUYASH
1 Jul 2022
CMO and Head of R&D
Sell
23,923
$3.53
$84.45K
PRASAD SUYASH
30 Jun 2022
CMO and Head of R&D
Sell
13,892
$3.72
$51.68K
PRASAD SUYASH
29 Jun 2022
CMO and Head of R&D
Sell
12,324
$3.81
$46.95K
Manning Paul B
3 Feb 2022
Director
Buy indirect
26,602
$7.84
$208.56K
Manning Paul B
3 Feb 2022
Director
Buy
50,000
$7.84
$392.00K
Donenberg Phillip B.
2 Feb 2022
Director
Buy
3,000
$7.78
$23.34K
Nagendran Sukumar
2 Feb 2022
Director
Buy
10,000
$8.01
$80.10K
Manning Paul B
2 Feb 2022
Director
Buy indirect
22,000
$7.77
$170.94K
Manning Paul B
2 Feb 2022
Director
Buy indirect
45,000
$7.77
$349.65K
Manning Paul B
2 Feb 2022
Director
Buy
58,000
$7.77
$450.66K
Manning Paul B
24 Nov 2021
Director
Buy
2,202
$13.19
$29.04K
Manning Paul B
23 Nov 2021
Director
Buy
20,000
$12.54
$250.80K
Session R.A. II
23 Nov 2021
President and CEO
Buy
26,008
$12.65
$329.00K
Session R.A. II
23 Nov 2021
President and CEO
Buy
16,510
$12.12
$200.10K
Alam Kamran
20 Aug 2021
Chief Financial Officer
Sell
2,094
$17.14
$35.89K
Alam Kamran
20 Aug 2021
Chief Financial Officer
Sell
9,746
$16.70
$162.76K
Alam Kamran
19 Aug 2021
Chief Financial Officer
Sell
613
$17.11
$10.49K
Alam Kamran
19 Aug 2021
Chief Financial Officer
Sell
9,354
$16.43
$153.69K
Alam Kamran
18 Aug 2021
Chief Financial Officer
Sell
11,193
$17.35
$194.20K
PRASAD SUYASH
1 Jul 2021
CMO and Head of R&D
Sell
19,706
$21.12
$416.19K
PRASAD SUYASH
30 Jun 2021
CMO and Head of R&D
Sell
500
$23.70
$11.85K
PRASAD SUYASH
30 Jun 2021
CMO and Head of R&D
Sell
6,202
$22.44
$139.17K
PRASAD SUYASH
30 Jun 2021
CMO and Head of R&D
Sell
13,374
$21.42
$286.47K
PRASAD SUYASH
29 Jun 2021
CMO and Head of R&D
Sell
300
$25.19
$7.56K
PRASAD SUYASH
29 Jun 2021
CMO and Head of R&D
Sell
3,862
$24.46
$94.46K
PRASAD SUYASH
29 Jun 2021
CMO and Head of R&D
Sell
35,056
$23.74
$832.23K
Nolan Sean P.
20 May 2021
Director
Buy
1,170
$22.35
$26.15K
Manning Paul B
14 May 2021
Director
Buy
12,000
$20.98
$251.76K

What was left out

Form 4 filings counted 106
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 2
Sales straight out of an exercise 5
Sales at will 36
Transactions with no price 0
Shares from compensation/vesting 14,986,465
Sales filed before the plan box existed 21
History held since 25 Sep 2020