Activist Campaign API.
13D filings, proxy fights, board nominations, open letters, and settlement agreements — from every activist investor targeting public companies. Track campaigns from first disclosure through resolution.
Every event_type in activist.
Each type emits the same envelope with a family-specific payload. Subscribe to the whole family or filter to specific types.
13d_filedSchedule 13D filed disclosing 5%+ beneficial ownership with activist intent.
proxy_fight_initiatedActivist formally nominates alternative board slate.
open_letter_publishedPublic letter to the board or management.
board_seats_wonActivist wins board representation via vote or settlement.
settlement_reachedCompany and activist reach an agreement.
stake_increasedActivist increases position beyond initial 13D threshold.
stake_exitedActivist exits or reduces below 5% threshold.
One real event. Full JSON payload.
This is the exact shape you'd receive via GET /v1/events or via a signed webhook delivery.
Request
// Query all activist events in the last 14 days GET /v1/events?family=activist&event_types=13d_filed&since=2026-04-01 Authorization: Bearer hf_live_...
Response · 200 OK
{
"event_id": "evt_20260414_sbux_activist",
"schema_version": "2026-04-20",
"event_type": "13d_filed",
"assertion_type": "fact",
"status": "official_announced",
"priority": "critical",
"entity": {
"ticker": "SBUX",
"name": "Starbucks Corporation"
},
"lifecycle": {
"detected_at": "2026-04-14T13:42:18Z",
"announced_at": "2026-04-14",
"effective_at": "2026-04-14",
"confirmed_at": "2026-04-14"
},
"source": {
"type": "filing",
"name": "SEC Schedule 13D / 13D-A",
"tier": "tier_1"
},
"summary": {
"one_line": "Elliott Management disclosed a 9.2% stake in Starbucks and demanded three board seats and a strategic review."
},
"payload": {
"activist_name": "Elliott Management",
"stake_pct": 9.2,
"campaign_type": "board_seats",
"demands": [
"board seats",
"strategic review"
],
"board_seats_sought": 3,
"settlement_terms": null
},
"confidence": {
"overall": 0.98,
"identity": 0.99,
"event_classification": 0.98
}
}Recent activist events.
Pulled live from the public delayed feed. Click through to the full tape for payloads, lifecycle, and source links.
Ranked by authority, merged by entity.
Every event carries a source object. When the same event is confirmed by multiple sources, they merge into one canonical event with an evidence array.
SEC Schedule 13D / 13D-A
EDGAR filings with activist ownership disclosures
DEF 14A proxy statements
Competing proxy solicitations and vote results
Reuters · Bloomberg · WSJ
Campaign coverage and settlement announcements
Activist fund websites
Open letters and campaign materials published directly
Delaware Chancery Court
Proxy contest litigation and injunction filings
Activist Insight · SharkWatch
Campaign tracking databases · assertion_type=reported
Family-specific fields inside payload.
All events share the same envelope (event_id, entity, lifecycle, sources, assertion_type, confidence). The payloadis what's specific to this family.
| Field | Type | Description | Example |
|---|---|---|---|
| payload.activist_name | string | Name of the activist fund or investor. | "Elliott Management" |
| payload.stake_pct | number | Disclosed ownership percentage. | 9.2 |
| payload.campaign_type | string | Type of campaign: board_seats, strategic_review, spinoff, etc. | "board_seats" |
| payload.demands | string[] | Publicly stated demands. | ["board seats","strategic review"] |
| payload.board_seats_sought | integer? | Number of board seats demanded, if applicable. | 3 |
| payload.settlement_terms | string? | Summary of settlement terms, if resolved. | null |
Start tracking activist events.
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