Jeffrey W Dunn

CIK 1035986 · View on SEC EDGAR ↗

Insider

First SEC filing: June 8, 2026 · Latest: June 8, 2026

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Insider at

Insider transactions

0 buys (P) 10 sells (S) Net: $-2,766,221 + 11 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

11 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 3, 2026 SIBN S 10b5-1 20,000 $18.46 $369,200 16,057 Direct -55.47% Disposed 6.5% (price as of 2026-08-20)
June 5, 2026 SIBN S 3,575 $15.25 $54,519 16,057 Direct -18.21% Disposed 28.9% (price as of 2026-08-20)
May 4, 2026 SIBN S 337 $13.15 $4,432 9,157 Direct -3.55% Disposed 49.5% (price as of 2026-08-20)
Feb. 2, 2026 SIBN S 337 $16.42 $5,534 9,970 Direct -3.27% Disposed 19.7% (price as of 2026-08-20)
Jan. 8, 2026 SIBN S 10b5-1 20,000 $21.28 $425,600 80,115 Indirect -19.98% Disposed -7.6% (price as of 2026-08-20)
Dec. 8, 2025 SIBN S 10b5-1 18,759 $19.33 $362,611 110,115 Indirect -14.56% Disposed 1.7% (price as of 2026-08-20)
Dec. 8, 2025 SIBN S 10b5-1 1,241 $19.33 $23,989 10,307 Direct -10.75% Disposed 1.7% (price as of 2026-08-20)
Nov. 11, 2025 SIBN S 10b5-1 56,852 $18.95 $1,077,345 10,307 Direct -84.65% Disposed 3.7% (price as of 2026-08-20)
Nov. 11, 2025 SIBN S 10b5-1 23,148 $18.95 $438,655 10,307 Direct -69.19% Disposed 3.7% (price as of 2026-08-20)
Nov. 3, 2025 SIBN S 293 $14.80 $4,336 10,831 Direct -2.63% Disposed 32.8% (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.

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
Aug. 3, 2026 SIBN Stock Option (Right to Buy) Common Stock (20,000) $4.68 March 1, 2027 20,000 Disposed
Dec. 8, 2025 SIBN Stock Option (Right to Buy) Common Stock (1,241) $4.32 July 26, 2026 1,241 Disposed
Nov. 11, 2025 SIBN Stock Option (Right to Buy) Common Stock (56,852) $4.32 July 26, 2026 56,852 Disposed
Nov. 11, 2025 SIBN Stock Option (Right to Buy) Common Stock (23,148) $4.32 July 26, 2026 23,148 Disposed
Jan. 15, 2019 SIBN Stock Option (right to buy) Common Stock (147,500) $22.00 Jan. 15, 2029 147,500 Acquired

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

Initial ownership (Form 3) 6 holdings

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

Date Ticker Security Shares Ownership
Oct. 16, 2018 SIBN Common Stock 33,333 Direct
Oct. 16, 2018 SIBN Common Stock 547,540 Indirect
Oct. 16, 2018 SIBN Stock Option (right to buy)→ Common Stock (272,753) 272,753 Direct
Oct. 16, 2018 SIBN Stock Option (right to buy)→ Common Stock (101,440) 101,440 Direct
Oct. 16, 2018 SIBN Stock Option (right to buy)→ Common Stock (114,901) 114,901 Direct
Oct. 16, 2018 SIBN Stock Option (right to buy)→ Common Stock (126,260) 126,260 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

SIBN

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2021 $401,466 — — — $346,345 — — $4,347,631
2020 $555,000 — — — $544,199 — $22,034 $4,240,493
2019 $540,000 $591,811 — $1,534,662 — — $20,913 $4,185,586

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.