Sean P. Nolan
CIK 1569926 · View on SEC EDGAR ↗
First SEC filing: May 15, 2025 · Latest: May 15, 2025
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 16, 2023 | TSHA | P | 444,444 | $0.90 | $400,000 | 1,535,545 Indirect | +40.73% | Acquired | 577.8% (price as of 2026-08-20) |
| May 20, 2021 | TSHA | P | 1,170 | $22.35 | $26,150 | 1,170 Direct | — | Acquired | -72.7% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 2, 2024 | TSHA | Employee Stock Option (right to buy) | Common Stock (1,184,688) | $1.71 | Jan. 2, 2034 | 1,184,688 | Acquired |
| Dec. 14, 2023 | TSHA | Employee Stock Option (right to buy) | Common Stock (466,550) | $0.70 | Dec. 14, 2033 | 466,550 | Acquired |
| Dec. 30, 2022 | TSHA | Stock Option (right to buy) | Common Stock (1,106,131) | $2.26 | Dec. 30, 2032 | 1,106,131 | Acquired |
| June 17, 2022 | TSHA | Stock Option (right to buy) | Common Stock (15,500) | $2.81 | June 17, 2032 | 15,500 | Acquired |
| June 17, 2021 | TSHA | Stock Option (right to buy) | Common Stock (15,500) | $25.04 | June 17, 2031 | 15,500 | Acquired |
| Sept. 28, 2020 | TSHA | Series B Preferred Stock | Common Stock (1,601) | — | — | 1,470 | Disposed |
| Sept. 28, 2020 | TSHA | Series A Preferred Stock | Common Stock (1,089,500) | — | — | 1,000,000 | Disposed |
| Sept. 23, 2020 | TSHA | Stock Option (right to buy) | Common Stock (31,000) | $20.00 | Sept. 23, 2030 | 31,000 | Acquired |
| May 5, 2020 | NGNE | Stock Option (Right to Buy) | Common Stock (25,000) | $12.84 | May 5, 2030 | 25,000 | Acquired |
| Oct. 10, 2019 | NGNE | Stock Option (right to buy) | Common Stock (22,000) | $2.82 | Oct. 9, 2029 | 22,000 | Acquired |
| May 7, 2018 | NGNE | Stock Option (Right to Buy) | Common Stock (15,000) | $13.10 | May 6, 2028 | 15,000 | Acquired |
| May 8, 2017 | NGNE | Stock Option (Right to Buy) | Common Stock (9,000) | $13.74 | May 7, 2027 | 9,000 | Acquired |
| May 9, 2016 | NGNE | Stock Option (Right to Buy) | Common Stock (7,500) | $7.73 | May 8, 2026 | 7,500 | Acquired |
| March 12, 2015 | NGNE | Stock Option (Right to Buy) | Common Stock (10,000) | $12.03 | March 11, 2025 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
TSHA
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $645,840 | — | — | — | $542,506 | — | $1,169 | $4,099,065 |
| 2024 | $621,000 | — | — | — | $409,860 | — | $774 | $4,727,861 |
| 2023 | $600,000 | — | — | — | $324,000 | — | $1,331 | $1,522,515 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.