Esther Van Den Boom
CIK 1603563 · View on SEC EDGAR ↗
First SEC filing: Sept. 14, 2021 · Latest: Sept. 14, 2021
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 15, 2022 | TYRA | A | 1,452 | $7.66 | $11,122 | 121,897 Direct | +1.21% | Acquired | 244.3% (price as of 2026-08-21) |
| Sept. 6, 2022 | TYRA | A | 89,054 | — | — | 89,054 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 6, 2022 | TYRA | A | 105,000 | — | — | 105,000 Direct | — | Acquired | (price as of 2026-08-21) |
| March 15, 2022 | TYRA | A | 1,800 | $8.53 | $15,354 | 120,445 Direct | +1.52% | Acquired | 209.2% (price as of 2026-08-21) |
| Nov. 2, 2021 | TYRA | A | 7,964 | — | — | 7,964 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 2, 2021 | TYRA | A | 7,964 | — | — | 7,964 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 2, 2021 | TYRA | A | 83,626 | — | — | 83,626 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 17, 2021 | TYRA | C | 8,183 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Sept. 17, 2021 | TYRA | C | 21,254 | — | — | 21,254 Indirect | — | Acquired | (price as of 2026-08-21) |
| Aug. 7, 2014 | MNOV | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 6, 2022 | TYRA | Stock Option (Right to Buy) | Common Stock (89,054) | $7.14 | Sept. 5, 2032 | 89,054 | Acquired |
| Sept. 6, 2022 | TYRA | Stock Option (Right to Buy) | Common Stock (105,000) | $7.14 | Sept. 5, 2032 | 105,000 | Acquired |
| Nov. 2, 2021 | TYRA | Stock Option (Right to Buy) | Common Stock (7,964) | $24.15 | Nov. 1, 2031 | 7,964 | Acquired |
| Nov. 2, 2021 | TYRA | Stock Option (Right to Buy) | Common Stock (7,964) | $24.15 | Nov. 1, 2031 | 7,964 | Acquired |
| Nov. 2, 2021 | TYRA | Stock Option (Right to Buy) | Common Stock (83,626) | $24.15 | Nov. 1, 2031 | 83,626 | Acquired |
| Sept. 17, 2021 | TYRA | Series A Preferred Stock | Common Stock (21,254) | — | — | 8,183 | Disposed |
| Aug. 7, 2014 | MNOV | Stock Option (Right to Buy) | Common Stock (10,000) | $2.00 | Aug. 6, 2024 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 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.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2016 | $37,000 | — | — | — | — | — | — | $37,000 |
| 2015 | $95,100 | — | — | — | — | — | — | $95,100 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.