Adrian R. Krainer
CIK 1780081 · View on SEC EDGAR ↗
Insider
First SEC filing: April 15, 2020 · Latest: June 5, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 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 3, 2026 | STOK | A | 17,786 | $29.46 | $523,976 | — | — | — | 7.8% (price as of 2026-08-21) |
| June 5, 2024 | STOK | A | 7,639 | — | — | 7,639 Direct | — | Acquired | (price as of 2026-08-21) |
| June 13, 2023 | STOK | A | 19,441 | — | — | 19,441 Direct | — | Acquired | (price as of 2026-08-21) |
| June 7, 2022 | STOK | A | 21,000 | — | — | 21,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 8, 2021 | STOK | A | 11,650 | — | — | 11,650 Direct | — | Acquired | (price as of 2026-08-21) |
| June 3, 2020 | STOK | A | 14,777 | — | — | 14,777 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 5, 2024 | STOK | Director Stock Option (Right to Buy) | Common Stock (7,639) | $16.41 | June 4, 2034 | 7,639 | Acquired |
| June 13, 2023 | STOK | Director Stock Option (Right to Buy) | Common Stock (19,441) | $12.46 | June 12, 2033 | 19,441 | Acquired |
| June 7, 2022 | STOK | Director Stock Option (Right to Buy) | Common Stock (21,000) | $12.96 | June 6, 2032 | 21,000 | Acquired |
| June 8, 2021 | STOK | Director Stock Option (Right to Buy) | Common Stock (11,650) | $40.37 | June 7, 2031 | 11,650 | Acquired |
| June 3, 2020 | STOK | Director Stock Option (Right to Buy) | Common Stock (14,777) | $26.53 | June 2, 2030 | 14,777 | 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.