Thomas P Koestler
CIK 1373605 · View on SEC EDGAR ↗
Insider
First SEC filing: May 5, 2009 · Latest: May 5, 2009
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 24 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 3, 2009 | MRK | D | 209,700 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 220,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 100,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 240,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 70,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 150,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 90,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 75,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Nov. 3, 2009 | MRK | D | 59,666 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| May 1, 2009 | MRK | A | 209,700 | — | — | 209,700 Direct | — | Acquired | (price as of 2026-08-20) |
| April 1, 2009 | MRK | M | 14,000 | — | — | 65,410 Direct | +27.23% | Acquired | (price as of 2026-08-20) |
| April 1, 2009 | MRK | F | 5,744 | $23.70 | $136,133 | 59,666 Direct | -8.78% | Disposed | 565.0% (price as of 2026-08-20) |
| April 1, 2009 | MRK | M | 14,000 | — | — | 75,000 Direct | -15.73% | Disposed | (price as of 2026-08-20) |
| May 1, 2008 | MRK | A | 220,000 | — | — | 220,000 Direct | — | Acquired | (price as of 2026-08-20) |
| April 25, 2008 | MRK | M | 15,000 | — | — | 57,596 Direct | +35.21% | Acquired | (price as of 2026-08-20) |
| April 25, 2008 | MRK | F | 6,186 | $18.64 | $115,307 | 51,410 Direct | -10.74% | Disposed | 745.6% (price as of 2026-08-20) |
| April 25, 2008 | MRK | M | 15,000 | — | — | 89,000 Direct | -14.42% | Disposed | (price as of 2026-08-20) |
| Aug. 18, 2007 | MRK | M | 30,000 | — | — | 104,000 Direct | -22.39% | Disposed | (price as of 2026-08-20) |
| Aug. 18, 2007 | MRK | F | 13,905 | $29.56 | $411,032 | 42,596 Direct | -24.61% | Disposed | 433.2% (price as of 2026-08-20) |
| Aug. 18, 2007 | MRK | M | 30,000 | — | — | 56,501 Direct | +113.20% | Acquired | (price as of 2026-08-20) |
| May 1, 2007 | MRK | A | 240,000 | — | — | 240,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 1, 2006 | MRK | M | 12,000 | — | — | 134,000 Direct | -8.22% | Disposed | (price as of 2026-08-20) |
| Dec. 1, 2006 | MRK | F | 5,562 | $21.93 | $121,975 | 26,501 Direct | -17.35% | Disposed | 618.7% (price as of 2026-08-20) |
| Dec. 1, 2006 | MRK | M | 12,000 | — | — | 32,063 Direct | +59.81% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Nov. 3, 2009 | MRK | Option (right to buy) | Common Shares (209,700) | $22.91 | April 30, 2016 | 209,700 | Disposed |
| Nov. 3, 2009 | MRK | Option (right to buy) | Common Shares (220,000) | $18.85 | April 30, 2015 | 220,000 | Disposed |
| Nov. 3, 2009 | MRK | Option (right to buy) | Common Shares (100,000) | $20.70 | April 24, 2015 | 100,000 | Disposed |
| Nov. 3, 2009 | MRK | Option (right to buy) | Common Shares (240,000) | $31.57 | April 30, 2014 | 240,000 | Disposed |
| Nov. 3, 2009 | MRK | Option (Right to Buy) | Common Shares (70,000) | $18.20 | Feb. 22, 2014 | 70,000 | Disposed |
| Nov. 3, 2009 | MRK | Option (right to buy) | Common Shares (150,000) | $16.12 | Aug. 17, 2013 | 150,000 | Disposed |
| Nov. 3, 2009 | MRK | Option (right to buy) | Common Shares (90,000) | $19.23 | May 18, 2013 | 90,000 | Disposed |
| Nov. 3, 2009 | MRK | Deferred Stock Unit Award | Common Shares (75,000) | — | — | 75,000 | Disposed |
| May 1, 2009 | MRK | Option (right to buy) | Common Shares (209,700) | $22.91 | April 30, 2016 | 209,700 | Acquired |
| April 1, 2009 | MRK | Deferred Stock Unit Award | Common Shares (14,000) | — | — | 14,000 | Disposed |
| May 1, 2008 | MRK | Option (right to buy) | Common Shares (220,000) | $18.85 | April 30, 2015 | 220,000 | Acquired |
| April 25, 2008 | MRK | Deferred Stock Unit Award | Common Shares (15,000) | — | — | 15,000 | Disposed |
| Aug. 18, 2007 | MRK | Deferred Stock Unit Award | Common Shares (30,000) | — | — | 30,000 | Disposed |
| May 1, 2007 | MRK | Option (right to buy) | Common Shares (240,000) | $31.57 | April 30, 2014 | 240,000 | Acquired |
| Dec. 1, 2006 | MRK | Deferred Stock Unit Award | Common Shares (12,000) | — | — | 12,000 | Disposed |
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 |
|---|---|---|---|---|
| Sept. 8, 2006 | MRK | Common Shares | 20,063 | Direct |
| Sept. 8, 2006 | MRK | Deferred Stock Unit Award→ Common Shares (146,000) | 146,000 | Direct |
| Sept. 8, 2006 | MRK | Option (right to buy)→ Common Shares (150,000) | 150,000 | Direct |
| Sept. 8, 2006 | MRK | Option (Right to Buy)→ Common Shares (70,000) | 70,000 | Direct |
| Sept. 8, 2006 | MRK | Option (right to buy)→ Common Shares (100,000) | 100,000 | Direct |
| Sept. 8, 2006 | MRK | Option (right to buy)→ Common Shares (90,000) | 90,000 | Direct |