Walker, Mark D.

CIK 1896664 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Feb. 17, 2022 · Latest: Dec. 19, 2025

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-3,816 + 33 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

33 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 12, 2026 DRCT S 10b5-1 1,363 $2.80 $3,816 0 Indirect -100.00% Disposed -7.5% (price as of 2026-08-18)
Nov. 29, 2022 DRCT P 5,320 $0.55 $2,926 27,259 Direct +24.25% Acquired -97.9% (price as of 2026-08-18)
Nov. 28, 2022 DRCT P 8,688 $0.50 $4,344 21,939 Direct +65.56% Acquired -97.6% (price as of 2026-08-18)
Nov. 23, 2022 DRCT P 13,251 $0.50 $6,626 13,251 Direct — Acquired -97.6% (price as of 2026-08-18)

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
April 1, 2026 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share — — 67 Disposed
March 24, 2026 DRCT Employee Stock Options (right to buy) Class A Common Stock, par value $0.001 per share — March 24, 2036 8,750 Acquired
March 20, 2026 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share — — 45 Disposed
Jan. 24, 2026 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share — — 204 Disposed
June 10, 2024 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (20,300) — — 20,300 Disposed
March 20, 2024 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (9,970) — — 9,970 Disposed
March 20, 2024 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (40,000) — — 40,000 Disposed
Dec. 5, 2023 DRCT Class A Common Units of Direct Digital Holdings LLC Class A Common Stock, par value $0.001 per share (200,000) — — 200,000 Disposed
June 10, 2023 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (20,300) — — 20,300 Disposed
June 10, 2023 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (20,097) — — 20,097 Disposed
March 20, 2023 DRCT Employee Stock Options (right to buy) Class A Common Stock, par value $0.001 per share (29,910) $3.96 March 20, 2033 29,910 Acquired
March 20, 2023 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (29,910) — — 29,910 Acquired
March 20, 2023 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (40,000) — — 40,000 Acquired
Nov. 29, 2022 DRCT Warrants (right to buy) Class A Common Stock (5,320) $5.50 Feb. 15, 2027 5,320 Acquired
Nov. 28, 2022 DRCT Warrants (right to buy) Class A Common Stock (8,688) $5.50 Feb. 15, 2027 8,688 Acquired
Nov. 23, 2022 DRCT Warrants (right to buy) Class A Common Stock (13,251) $5.50 Feb. 15, 2027 13,251 Acquired
June 10, 2022 DRCT Employee Stock Options (right to buy) Class A Common Stock, par value $0.001 per share (60,900) $1.62 June 10, 2032 60,900 Acquired
June 10, 2022 DRCT Restricted Stock Units Class A Common Stock, par value $0.001 per share (60,900) — — 60,900 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
Feb. 17, 2022 DRCT Class A Common Units of Direct Digital Holdings LLC→ Class A Common Stock (5,689,000) 5,689,000 Indirect