Karl Anders Olof Harfstrand
CIK 1646451 · View on SEC EDGAR ↗
Insider
First SEC filing: May 18, 2018 · Latest: May 18, 2018
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 17, 2023 | PRTA | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 18, 2022 | PRTA | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 16, 2018 | PRTA | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 18, 2017 | PRTA | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 20, 2016 | PRTA | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 29, 2015 | PRTA | A | 30,000 | — | — | 30,000 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 |
|---|---|---|---|---|---|---|---|
| May 17, 2023 | PRTA | Stock Option (Right to Buy) | Ordinary Shares (15,000) | $76.00 | May 17, 2033 | 15,000 | Acquired |
| May 18, 2022 | PRTA | Stock Option (Right to Buy) | Ordinary Shares (15,000) | $25.60 | May 18, 2032 | 15,000 | Acquired |
| May 16, 2018 | PRTA | Stock Option (right to buy) | Ordinary Shares (12,000) | $16.43 | May 16, 2028 | 12,000 | Acquired |
| May 18, 2017 | PRTA | Stock Option (right to buy) | Ordinary Shares (12,000) | $56.23 | May 18, 2027 | 12,000 | Acquired |
| May 20, 2016 | PRTA | Stock Option (right to buy) | Ordinary Shares (15,000) | $42.50 | May 20, 2026 | 15,000 | Acquired |
| June 29, 2015 | PRTA | Stock Option (right to buy) | Ordinary Shares (30,000) | $49.60 | June 28, 2025 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).