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Who

Sukumar Nagendran

President and Head of R&D

Company insider

Files Form 4 as: President and Head of R&D, Taysha Gene Therapies; Director, Solid Biosciences; Sr. VP & Chief Medical Officer, AveXis.

In numbers

Trades disclosed
142
Buys
2
Sells
21
Bought
$84K
Sold
$11.8M
Companies
3
Companies where not an officer
1
First trade
20 Jun 2016
Last trade
10 Jul 2026
Last filed
10 Jul 2026

Companies traded

Where they are an officer
TSHA Taysha Gene TherapiesDirector, Officer · Biotechnology · last 10 Jul 20262 buys · 9 sells
AveXisOfficer · last 15 May 20180 buys · 12 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SLDB Solid BiosciencesDirector · Biotechnology · last 10 Jun 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Jul 2026filed 10 Jul 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$1.2M200,000 at $6.24filing
10 Jul 2026filed 10 Jul 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$1.2M200,000 at $6.24filing
10 Jun 2026filed 11 Jun 2026SLDB Solid Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—77,500 at $0.00filing
10 Jun 2026filed 11 Jun 2026SLDB Solid Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—77,500 at $0.00filing
10 Apr 2026filed 13 Apr 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Code M$33K19,021 at $1.71filing
10 Apr 2026filed 13 Apr 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$892K200,000 at $4.46filing
10 Apr 2026filed 13 Apr 2026TSHA Taysha Gene Therapiesoption or derivative · BiotechnologySEC FORM 4 Code M—19,021 at $0.00filing
10 Apr 2026filed 13 Apr 2026TSHA Taysha Gene Therapiesoption or derivative · BiotechnologySEC FORM 4 Code M—19,021 at $0.00filing
10 Apr 2026filed 13 Apr 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Code M$33K19,021 at $1.71filing
10 Apr 2026filed 13 Apr 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$892K200,000 at $4.46filing
26 Jan 2026filed 27 Jan 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$124K26,918 at $4.61filing
26 Jan 2026filed 27 Jan 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$124K26,918 at $4.61filing
23 Jan 2026filed 27 Jan 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$423K89,132 at $4.75filing
23 Jan 2026filed 27 Jan 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$423K89,132 at $4.75filing
12 Jan 2026filed 14 Jan 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Code M$78K111,324 at $0.6989filing
12 Jan 2026filed 14 Jan 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Code M$152K88,676 at $1.71filing
12 Jan 2026filed 14 Jan 2026TSHA Taysha Gene TherapiesBiotechnologySEC FORM 4 Sold$942K200,000 at $4.71filing
12 Jan 2026filed 14 Jan 2026TSHA Taysha Gene Therapiesoption or derivative · BiotechnologySEC FORM 4 Code M—111,324 at $0.00filing
12 Jan 2026filed 14 Jan 2026TSHA Taysha Gene Therapiesoption or derivative · BiotechnologySEC FORM 4 Code M—88,676 at $0.00filing
12 Jan 2026filed 14 Jan 2026TSHA Taysha Gene Therapiesoption or derivative · BiotechnologySEC FORM 4 Code A—274,000 at $0.00filing

News

Head-To-Head Survey: Taysha Gene Therapies (NASDAQ:TSHA) vs. MediWound (NASDAQ:MDWD)TSHA · dailypolitical.com · 12 Oct 2026

0 headlines in the last 90 days name Sukumar Nagendran; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care11
Not placed12

Buys in green, sells in red, by the company’s sector.

Related people

Phillip B. DonenbergDirector · Director at Taysha Gene Therapies, filing Form 4 there in the last year
John A. Stalfort IIIDirector · Director at Taysha Gene Therapies, filing Form 4 there in the last year
Laura Sepp-LorenzinoDirector · Director at Taysha Gene Therapies, filing Form 4 there in the last year
Alison S. LongDirector · Director at Taysha Gene Therapies, filing Form 4 there in the last year
Kamran AlamChief Financial Officer · Chief Financial Officer at Taysha Gene Therapies, filing Form 4 there in the last year