David Holder
Insider
First SEC filing: Jan. 21, 2009 · Latest: Jan. 21, 2009
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 28, 2012 | PDEX | A | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 28, 2012 | PDEX | A | 6,667 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 28, 2012 | PDEX | A | 5,000 | $1.47 | $7,350 | 12,633 Direct | +65.51% | Acquired | 4258.5% (price as of 2026-10-02) |
| Nov. 28, 2012 | PDEX | A | 6,667 | $1.41 | $9,400 | 7,633 Direct | +690.17% | Acquired | 4444.0% (price as of 2026-10-02) |
| Nov. 28, 2012 | PDEX | S | 966 | $1.93 | $1,864 | 966 Direct | · | Acquired | 3219.7% (price as of 2026-10-02) |
| Dec. 5, 2011 | PDEX | A | 10,000 | $2.34 | $23,400 | 10,000 Direct | · | Acquired | 2638.0% (price as of 2026-10-02) |
| Dec. 3, 2010 | PDEX | A | 10,000 | $2.09 | $20,900 | 10,000 Direct | · | Acquired | 2965.6% (price as of 2026-10-02) |
| Jan. 9, 2010 | PDEX | A | 15,000 | $0.49 | $7,350 | 35,000 Indirect | +75.00% | Acquired | 4258.5% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 28, 2012 | PDEX | Directors Stock Options | Pro-Dex Common Stock | $1.47 | Jan. 9, 2020 | 5,000 | Disposed |
| Nov. 28, 2012 | PDEX | Directors Stock Options | Pro-Dex Common Stock | $1.41 | Jan. 9, 2019 | 6,667 | Disposed |
| Dec. 5, 2011 | PDEX | Stock Option (Right to Buy) | Common Stock | $2.34 | · | 10,000 | Acquired |
| Dec. 3, 2010 | PDEX | Stock Option (Right to Buy) | Common Stock | $2.09 | · | 10,000 | Acquired |
| Jan. 9, 2010 | PDEX | Directors Stock options | Pro-Dex Common Stock | $0.49 | Jan. 8, 2020 | 15,000 | 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 |
|---|---|---|---|---|
| Jan. 21, 2009 | PDEX | Director Stock Options | 20,000 | Direct |