Shan Riku Sakakibara

CIK 2088547 · View on SEC EDGAR ↗

Insider

First SEC filing: Nov. 5, 2025 · Latest: June 10, 2026

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Insider at

Insider transactions

0 buys (P) 9 sells (S) Net: $-2,826,640 + 18 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

18 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
July 31, 2026 BLLN S 10b5-1 4,000 $140.21 $560,840 200,000 Direct -1.96% Disposed -32.1% (price as of 2026-08-21)
July 9, 2026 BLLN S 10b5-1 1,354 $125.00 $169,250 204,000 Direct -0.66% Disposed -23.9% (price as of 2026-08-21)
July 9, 2026 BLLN S 10b5-1 1,355 $125.00 $169,375 205,354 Direct -0.66% Disposed -23.9% (price as of 2026-08-21)
July 9, 2026 BLLN S 10b5-1 1,117 $125.00 $139,625 206,709 Direct -0.54% Disposed -23.9% (price as of 2026-08-21)
July 9, 2026 BLLN S 10b5-1 174 $125.00 $21,750 207,826 Direct -0.08% Disposed -23.9% (price as of 2026-08-21)
July 9, 2026 BLLN S 10b5-1 4,000 $125.00 $500,000 208,000 Direct -1.89% Disposed -23.9% (price as of 2026-08-21)
June 24, 2026 BLLN S 10b5-1 4,000 $110.00 $440,000 208,000 Direct -1.89% Disposed -13.5% (price as of 2026-08-21)
June 24, 2026 BLLN S 10b5-1 4,000 $110.00 $440,000 212,000 Direct -1.85% Disposed -13.5% (price as of 2026-08-21)
June 8, 2026 BLLN S 4,000 $96.45 $385,800 212,000 — — -1.3% (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
July 9, 2026 BLLN Stock Option (right to buy) Class A Common Stock (1,354) $30.78 Sept. 30, 2035 1,354 Disposed
July 9, 2026 BLLN Stock Option (right to buy) Class A Common Stock (1,355) $30.78 Sept. 30, 2035 1,355 Disposed
July 9, 2026 BLLN Stock Option (right to buy) Class A Common Stock (1,117) $30.78 Sept. 30, 2035 1,117 Disposed
July 9, 2026 BLLN Stock Option (right to buy) Class A Common Stock (174) $8.65 Jan. 18, 2033 174 Disposed
June 24, 2026 BLLN Stock Option (right to buy) Class A Common Stock (4,000) $8.65 Jan. 18, 2033 4,000 Disposed
Nov. 7, 2025 BLLN Stock Option (right to buy) Common Stock (40,000) $8.65 Jan. 18, 2033 40,000 Disposed
Nov. 7, 2025 BLLN Stock Option (right to buy) Class A Common Stock (50,000) $2.80 June 7, 2031 50,000 Acquired
Nov. 7, 2025 BLLN Stock Option (right to buy) Common Stock (50,000) $2.80 June 7, 2031 50,000 Disposed
Nov. 7, 2025 BLLN Stock Option (right to buy) Class A Common Stock (65,000) $30.78 Sept. 30, 2035 65,000 Acquired
Nov. 7, 2025 BLLN Stock Option (right to buy) Common Stock (65,000) $30.78 Sept. 30, 2035 65,000 Disposed
Nov. 7, 2025 BLLN Stock Option (right to buy) Class A Common Stock (40,000) $8.65 Jan. 18, 2033 40,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Nov. 5, 2025 BLLN Common Stock [F1] 220,000 Direct
Nov. 5, 2025 BLLN Stock Option (right to buy)→ Common Stock [F1] (50,000) 50,000 Direct
Nov. 5, 2025 BLLN Stock Option (right to buy)→ Common Stock [F1] (40,000) 40,000 Direct
Nov. 5, 2025 BLLN Stock Option (right to buy)→ Common Stock [F1] (65,000) 65,000 Direct