Nathan Caffo
CIK 1816992 · View on SEC EDGAR ↗
Insider
First SEC filing: July 26, 2021 · Latest: July 26, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 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
3 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 29, 2021 | CADL | P | 6,000 | $8.00 | $48,000 | 6,000 Direct | — | Acquired | 59.3% (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 |
|---|---|---|---|---|---|---|---|
| July 21, 2020 | ALXO | Series B Convertible Preferred Stock | Common Stock (10,529) | — | — | 10,529 | Disposed |
| July 16, 2020 | ALXO | Employee Stock Option (right to buy) | Common Stock (22,794) | $19.00 | July 16, 2030 | 22,794 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 26, 2021 | CADL | Stock Option (Right to Buy)→ Common Stock (296,144) | 296,144 | Direct |
| July 16, 2020 | ALXO | Series B Convertible Preferred Stock→ Common Stock (10,529) | 10,529 | Indirect |
| July 16, 2020 | ALXO | Employee Stock Option (right to buy)→ Common Stock (100,750) | 100,750 | Direct |
| July 16, 2020 | ALXO | Employee Stock Option (right to buy)→ Common Stock (33,216) | 33,216 | Direct |
| July 16, 2020 | ALXO | Employee Stock Option (right to buy)→ Common Stock (18,450) | 18,450 | Direct |
| July 16, 2020 | ALXO | Employee Stock Option (right to buy)→ Common Stock (96,039) | 96,039 | Direct |