ACIU insider buying and SEC filings, explained
AC Immune SA · CIK 1651625
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$59K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| May 15, 2026 | Planned (10b5-1) | Andrea Pfeifer (CEO and Director) sold 10,000 shares at about $2.79 ($28K), marked as a 10b5-1 plan trade. Holdings down <1% to 3,820,288 shares. | SEC filing Filed May 18, 2026 |
| Apr 15, 2026 | Planned (10b5-1) Amended filing | Andrea Pfeifer (CEO and Director) sold 10,000 shares at about $3.14 ($31K), marked as a 10b5-1 plan trade. Holdings down <1% to 3,830,288 shares. This amends a filing from Apr 16. | SEC filing Filed Apr 16, 2026 |
| Apr 15, 2026 | Other purchase | Andrea Pfeifer (CEO and Director) bought 10,000 Share at about $3.14 ($31K), reported as a purchase (code P). Holdings down <1% to 3,830,288 shares. | SEC filing Filed Apr 16, 2026 |
5 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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