Why this firm matters
At $1.77T pre-move market value, Space Exploration Technologies Corp. (SpaceX) is among the largest firms in the cohort and carries disproportionate weight in market-value-weighted aggregates.
Controller & ownership
DE FACTO CONTROLLERFounder Ceo ControllerElon Musk (controlling shareholder) is the largest disclosed voting holder. Effective controller under Delaware/common-law definition though not strict listing-rule (>50%) controlled.
Vote outcome — reincorporation proposal
Vote totals not yet pulled. Awaiting EDGAR Item 5.07.
Event-study abnormal returns — announcement window
No announcement-window CARs available for this firm yet.
Event-study abnormal returns — vote window
No vote-window CARs available for this firm yet.
Long-run abnormal returns & pooled estimates
No long-run / pooled estimates available for this firm yet — run phase5z_compute_longrun.py on Windows to populate (requires effective date ≥ 3 months ago).
Cohort-level robustness battery
Heckman two-step selection correction (controlled-vs-widely-held)
Cohort ATE = +0.94% (SE = 7.06%, n = 2395) after correcting for controller-status selection (inverse Mills ratio = -0.062).
Romano-Wolf step-down + Benjamini-Hochberg FDR (n = 47)
This firm: per-firm adjusted p-values pending. Multiple-hypothesis correction is computed across the full cohort to control family-wise error rate at alpha = 0.05.
Pooled cohort BHAR (mover firms only)
BHAR_63d: mean = -5.60% (SE = 22.11%, n = 3, p = 0.499) · BHAR_126d: mean = +17.33% (SE = 41.17%, n = 3, p = 0.774)
See Cohort event study → for the full battery and forest plots.
Texas Statutory Adoptions
The Texas opt-in statutory regimes (TBOC §21.552 / SB 29 derivative threshold; TBOC §21.373 / SB 1057 shareholder-proposal threshold) are available only to firms that are nationally listed Texas corporations. Space Exploration Technologies Corp. (SpaceX) is not yet Texas-incorporated; the move is pending shareholder vote with a proposed effective date of TBD. These adoptions can be elected only on or after the firm's TX effective date.
Source filings
Classification & audit trail
[2026-05-31 rev110] SpaceX DATE CORRECTION per external red-team: 2026-05-20 was bogus (likely contamination from Starbase municipal incorporation event). Correct DE→TX dates per AP/CNBC/CNN/Reuters: announcement + effective both 2024-02-14 (same Wednesday Musk posted on X + Texas SOS Jane Nelson issued cert). primary_source_url was a non-applicable EDGAR ref (SpaceX is private — no Item 5.03); replaced with AP report. approval_method: PRIVATE_COMPANY_ACTION (the WRITTEN_CONSENT inference is plausible but unverified — no public source confirms the internal mechanism). row_class: WATCHLIST_PRIVATE (not PRIVATE_PRE_IPO — no announced IPO). panel_b_dexit_mover: 1→0 (private companies don't count toward public-company headline). source_status: NEEDS_STATE_FILING_COPY (Texas SOS SOSDirect cert pending).
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