Iain Stuart
CIK 1727756 · View on SEC EDGAR ↗
Insider
First SEC filing: March 11, 2020 · Latest: March 11, 2020
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
0 buys (P)
0 sells (S)
Net:
$0
+ 40 non-open-market transactions below
last 12 months, based on the transactions shown below
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 23, 2026 | YARW | F | 15,405 | $0.90 | $13,864 | 95,944 Direct | -13.83% | Disposed | -8.3% (price as of 2026-08-19) |
| June 30, 2026 | YARW | F | 2,370 | $0.65 | $1,540 | 111,349 Direct | -2.08% | Disposed | 27.0% (price as of 2026-08-19) |
| Jan. 2, 2024 | YARW | F | 157 | $2.28 | $358 | 133,898 Direct | -0.12% | Disposed | -63.8% (price as of 2026-08-19) |
| Jan. 1, 2024 | YARW | A | 62,500 | — | — | 62,500 Direct | — | Acquired | (price as of 2026-08-19) |
| Jan. 1, 2024 | YARW | A | 62,500 | — | — | 134,055 Direct | +87.35% | Acquired | (price as of 2026-08-19) |
| Dec. 13, 2023 | YARW | A | 62,500 | — | — | 62,500 Direct | — | Acquired | (price as of 2026-08-19) |
| Dec. 13, 2023 | YARW | A | 62,500 | — | — | 71,555 Direct | +690.23% | Acquired | (price as of 2026-08-19) |
| Oct. 2, 2023 | YARW | F | 1,184 | $3.83 | $4,535 | 9,055 Direct | -11.56% | Disposed | -78.5% (price as of 2026-08-19) |
| June 30, 2023 | YARW | F | 151 | $4.10 | $619 | 10,239 Direct | -1.45% | Disposed | -79.9% (price as of 2026-08-19) |
| March 31, 2023 | YARW | F | 480 | $3.08 | $1,478 | 10,390 Direct | -4.42% | Disposed | -73.2% (price as of 2026-08-19) |
| Dec. 31, 2022 | YARW | F | 1,720 | $0.15 | $258 | 220,252 Direct | -0.77% | Disposed | -69.4% (price as of 2026-08-19) |
| Sept. 30, 2022 | YARW | F | 1,719 | $0.22 | $378 | 221,972 Direct | -0.77% | Disposed | -79.2% (price as of 2026-08-19) |
| June 30, 2022 | YARW | F | 1,719 | $0.39 | $670 | 223,691 Direct | -0.76% | Disposed | -88.2% (price as of 2026-08-19) |
| March 31, 2022 | YARW | F | 3,469 | $0.65 | $2,255 | 225,410 Direct | -1.52% | Disposed | -92.9% (price as of 2026-08-19) |
| March 17, 2022 | YARW | A | 75,000 | — | — | 75,000 Direct | — | Acquired | (price as of 2026-08-19) |
| March 17, 2022 | YARW | A | 75,000 | — | — | 228,879 Direct | +48.74% | Acquired | (price as of 2026-08-19) |
| Dec. 31, 2021 | YARW | F | 1,250 | $1.02 | $1,275 | 153,879 Direct | -0.81% | Disposed | -95.5% (price as of 2026-08-19) |
| Sept. 30, 2021 | YARW | F | 1,480 | $1.39 | $2,057 | 155,129 Direct | -0.95% | Disposed | -96.7% (price as of 2026-08-19) |
| Sept. 2, 2021 | YARW | A | 60,860 | — | — | 60,860 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 2, 2021 | YARW | A | 60,859 | — | — | 156,609 Direct | +63.56% | Acquired | (price as of 2026-08-19) |
| June 30, 2021 | YARW | F | 3,083 | $3.51 | $10,821 | 95,750 Direct | -3.12% | Disposed | -98.7% (price as of 2026-08-19) |
| March 31, 2021 | YARW | F | 1,945 | $6.84 | $13,304 | 98,833 Direct | -1.93% | Disposed | -99.3% (price as of 2026-08-19) |
| Feb. 22, 2021 | YARW | A | 68,162 | — | — | 68,162 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 22, 2021 | YARW | A | 29,213 | — | — | 100,778 Direct | +40.82% | Acquired | (price as of 2026-08-19) |
| Dec. 31, 2020 | YARW | F | 2,378 | $1.58 | $3,757 | 286,262 Direct | -0.82% | Disposed | -99.3% (price as of 2026-08-19) |
| Sept. 30, 2020 | YARW | F | 2,378 | $1.66 | $3,947 | 288,640 Direct | -0.82% | Disposed | -99.3% (price as of 2026-08-19) |
| June 30, 2020 | YARW | F | 2,378 | $1.73 | $4,114 | 291,018 Direct | -0.81% | Disposed | -99.3% (price as of 2026-08-19) |
| May 6, 2020 | YARW | A | 112,500 | — | — | 112,500 Direct | — | Acquired | (price as of 2026-08-19) |
| May 6, 2020 | YARW | A | 112,500 | — | — | 293,401 Direct | +62.19% | Acquired | (price as of 2026-08-19) |
| April 6, 2020 | YARW | F | 3,763 | $1.40 | $5,268 | 180,901 Direct | -2.04% | Disposed | -99.2% (price as of 2026-08-19) |
| April 3, 2020 | YARW | A | 97,682 | — | — | 184,664 Direct | +112.30% | Acquired | (price as of 2026-08-19) |
| April 3, 2020 | YARW | A | 27,530 | — | — | 86,982 Direct | +46.31% | Acquired | (price as of 2026-08-19) |
| March 31, 2020 | YARW | F | 1,940 | $2.68 | $5,199 | 59,452 Direct | -3.16% | Disposed | -99.6% (price as of 2026-08-19) |
| March 9, 2020 | YARW | A | 57,086 | — | — | 57,086 Direct | — | Acquired | (price as of 2026-08-19) |
| March 9, 2020 | YARW | A | 45,020 | — | — | 45,020 Direct | — | Acquired | (price as of 2026-08-19) |
| March 9, 2020 | YARW | A | 17,772 | — | — | 17,772 Direct | — | Acquired | (price as of 2026-08-19) |
| March 9, 2020 | YARW | A | 7,701 | — | — | 7,701 Direct | — | Acquired | (price as of 2026-08-19) |
| March 9, 2020 | YARW | A | 23,696 | — | — | 23,696 Direct | — | Acquired | (price as of 2026-08-19) |
| March 9, 2020 | YARW | A | 54,086 | — | — | 61,392 Direct | +740.30% | Acquired | (price as of 2026-08-19) |
| March 9, 2020 | YARW | A | 7,306 | — | — | 7,306 Direct | — | Acquired | (price as of 2026-08-19) |
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. 1, 2024 | YARW | Stock Option (right to buy) | Common Stock (62,500) | $2.33 | Dec. 31, 2033 | 62,500 | Acquired |
| Dec. 13, 2023 | YARW | Stock Option (right to buy) | Common Stock (62,500) | $2.70 | Dec. 12, 2033 | 62,500 | Acquired |
| March 17, 2022 | YARW | Stock Options | Common Stock (75,000) | $0.61 | March 17, 2032 | 75,000 | Acquired |
| Sept. 2, 2021 | YARW | Stock Options | Common Stock (60,860) | $1.68 | Sept. 2, 2031 | 60,860 | Acquired |
| Feb. 22, 2021 | YARW | Stock Options | Common Stock (68,162) | $8.33 | Feb. 22, 2031 | 68,162 | Acquired |
| May 6, 2020 | YARW | Stock Options | Common Stock (112,500) | $1.95 | May 6, 2030 | 112,500 | Acquired |
| March 9, 2020 | YARW | Stock Options | Common Stock (57,086) | $6.81 | Feb. 24, 2030 | 57,086 | Acquired |
| March 9, 2020 | YARW | Stock Options | Common Stock (45,020) | $6.37 | Jan. 1, 2029 | 45,020 | Acquired |
| March 9, 2020 | YARW | Stock Options | Common Stock (17,772) | $10.73 | Feb. 27, 2028 | 17,772 | Acquired |
| March 9, 2020 | YARW | Stock Options | Common Stock (7,701) | $9.10 | Aug. 8, 2027 | 7,701 | Acquired |
| March 9, 2020 | YARW | Stock Options | Common Stock (23,696) | $14.43 | Nov. 15, 2026 | 23,696 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 11, 2020 | YARW | No securities beneficially owned | 0 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
YARW
Chief Scientific Officer| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $421,811 | $168,724 | $168,750 | $139,375 | $253,086 | — | $13,200 | $1,164,946 |
| 2022 | $421,811 | — | $45,750 | $30,750 | $143,415 | — | $12,200 | $653,926 |
| 2021 | $405,576 | — | $345,587 | $406,976 | — | — | $11,600 | $1,287,359 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.