Matthew Fraser Ahearn

CIK 2070582 · View on SEC EDGAR ↗

Insider

First SEC filing: July 30, 2025 · Latest: June 16, 2026

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Insider at

Insider transactions

0 buys (P) 6 sells (S) Net: $-839,131 + 1 non-open-market transaction 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

1 other filing hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 18, 2026 SI S 10b5-1 12,586 $20.94 $263,551 245,776 Direct -4.87% Disposed 9.1% (price as of 2026-08-20)
Aug. 18, 2026 SI S 10b5-1 1,600 $21.38 $34,208 244,176 Direct -0.65% Disposed 6.9% (price as of 2026-08-20)
Aug. 17, 2026 SI S 10b5-1 8,314 $20.10 $167,111 258,362 Direct -3.12% Disposed 13.7% (price as of 2026-08-20)
June 15, 2026 SI S 10b5-1 2,500 $19.26 $48,150 269,176 Direct -0.92% Disposed 18.7% (price as of 2026-08-20)
June 15, 2026 SI S 10b5-1 1,644 $18.20 $29,921 271,676 Direct -0.60% Disposed 25.6% (price as of 2026-08-20)
June 12, 2026 SI S 10b5-1 15,856 $18.68 $296,190 273,320 Direct -5.48% Disposed 22.4% (price as of 2026-08-20)

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.

Initial ownership (Form 3) 10 holdings

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

Date Ticker Security Shares Ownership
July 30, 2025 SI Common Stock 40,793 Direct
July 30, 2025 SI Series Seed Convertible Preferred Stock→ Common Stock (13,139) 13,139 Direct
July 30, 2025 SI Series A Convertible Preferred Stock→ Common Stock (42,667) 42,667 Direct
July 30, 2025 SI Series B Convertible Preferred Stock→ Common Stock (11,436) 11,436 Direct
July 30, 2025 SI Stock Option→ Common Stock (9,013) 9,013 Direct
July 30, 2025 SI Stock Option→ Common Stock (12,286) 12,286 Direct
July 30, 2025 SI Stock Option→ Common Stock (1,648) 1,648 Direct
July 30, 2025 SI Stock Option→ Common Stock (78,616) 78,616 Direct
July 30, 2025 SI Stock Option→ Common Stock (32,728) 32,728 Direct
July 30, 2025 SI Stock Option→ Common Stock (56,974) 56,974 Direct