Donald William Nicholson
CIK 1814617 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 3, 2023 · Latest: Jan. 3, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 18, 2026 | IRON | A | 6,212 | — | — | 6,212 Direct | — | Acquired | (price as of 2026-08-21) |
| June 11, 2025 | IRON | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 12, 2024 | IRON | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 9, 2023 | IRON | A | 7,136 | — | — | 7,136 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 29, 2022 | IRON | A | 7,000 | — | — | 7,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 15, 2022 | KYMR | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 16, 2021 | KYMR | A | 20,063 | — | — | 20,063 Direct | — | Acquired | (price as of 2026-08-21) |
| Aug. 20, 2020 | KYMR | A | 40,127 | — | — | 40,127 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 |
|---|---|---|---|---|---|---|---|
| June 18, 2026 | IRON | Stock Option (Right to Buy) | Common Stock (6,212) | $70.79 | June 17, 2036 | 6,212 | Acquired |
| June 11, 2025 | IRON | Stock Option (Right to Buy) | Common Stock (10,000) | $50.86 | June 10, 2035 | 10,000 | Acquired |
| June 12, 2024 | IRON | Stock Option (Right to Buy) | Common Stock (10,000) | $38.85 | June 11, 2034 | 10,000 | Acquired |
| June 9, 2023 | IRON | Stock Option (Right to Buy) | Common Stock (7,136) | $45.69 | June 8, 2033 | 7,136 | Acquired |
| Dec. 29, 2022 | IRON | Stock Option (Right to Buy) | Common Stock (7,000) | $13.50 | Dec. 28, 2032 | 7,000 | Acquired |
| June 15, 2022 | KYMR | Stock Option (Right to Buy) | Common Stock (12,000) | $14.18 | June 14, 2032 | 12,000 | Acquired |
| June 16, 2021 | KYMR | Stock Option (Right to Buy) | Common Stock (20,063) | $49.10 | June 15, 2031 | 20,063 | Acquired |
| Aug. 20, 2020 | KYMR | Stock Option (Right to Buy) | Common Stock (40,127) | $20.00 | Aug. 19, 2030 | 40,127 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 3, 2023 | IRON | Common Stock | 15,332 | Direct |
| Jan. 3, 2023 | IRON | Stock Option (Right to Buy)→ Common Stock (86,521) | 86,521 | Direct |
| Jan. 3, 2023 | IRON | Stock Option (Right to Buy)→ Common Stock (34,941) | 34,941 | Direct |
| Aug. 20, 2020 | KYMR | Common Stock | 25,255 | Direct |
| Aug. 20, 2020 | KYMR | Stock Option (Right to Buy)→ Common Stock (16,439) | 16,439 | Direct |
| Aug. 20, 2020 | KYMR | Stock Option (Right to Buy)→ Common Stock (26,819) | 26,819 | Direct |
| Aug. 20, 2020 | KYMR | Stock Option (Right to Buy)→ Common Stock (21,944) | 21,944 | Direct |