GREENHILL & CO INC
CIK 1282977 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 14, 2008 · Latest: Feb. 14, 2008
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0 sells (S)
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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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 9, 2013 | IRDM | S 10b5-1 | 15,000 | $7.45 | $111,750 | 1,813,387 Direct | -0.82% | Disposed | 551.7% (price as of 2026-08-21) |
| May 8, 2013 | IRDM | S 10b5-1 | 15,000 | $7.32 | $109,800 | 1,828,387 Direct | -0.81% | Disposed | 563.3% (price as of 2026-08-21) |
| May 7, 2013 | IRDM | S 10b5-1 | 15,000 | $7.23 | $108,450 | 1,843,387 Direct | -0.81% | Disposed | 571.5% (price as of 2026-08-21) |
| May 6, 2013 | IRDM | S 10b5-1 | 15,000 | $7.13 | $106,950 | 1,858,387 Direct | -0.80% | Disposed | 580.9% (price as of 2026-08-21) |
| May 3, 2013 | IRDM | S 10b5-1 | 15,000 | $7.11 | $106,650 | 1,873,387 Direct | -0.79% | Disposed | 582.8% (price as of 2026-08-21) |
| May 2, 2013 | IRDM | S 10b5-1 | 15,000 | $6.87 | $103,050 | 1,888,387 Direct | -0.79% | Disposed | 606.7% (price as of 2026-08-21) |
| May 1, 2013 | IRDM | S 10b5-1 | 15,000 | $6.47 | $97,050 | 1,903,387 Direct | -0.78% | Disposed | 650.4% (price as of 2026-08-21) |
| April 30, 2013 | IRDM | S 10b5-1 | 15,000 | $6.71 | $100,650 | 1,918,387 Direct | -0.78% | Disposed | 623.5% (price as of 2026-08-21) |
| April 29, 2013 | IRDM | S 10b5-1 | 15,000 | $6.69 | $100,350 | 1,933,387 Direct | -0.77% | Disposed | 625.7% (price as of 2026-08-21) |
| April 26, 2013 | IRDM | S 10b5-1 | 15,000 | $6.70 | $100,500 | 1,948,387 Direct | -0.76% | Disposed | 624.6% (price as of 2026-08-21) |
| April 25, 2013 | IRDM | S 10b5-1 | 15,000 | $6.75 | $101,250 | 1,963,387 Direct | -0.76% | Disposed | 619.3% (price as of 2026-08-21) |
| April 24, 2013 | IRDM | S 10b5-1 | 15,000 | $6.73 | $100,950 | 1,978,387 Direct | -0.75% | Disposed | 621.4% (price as of 2026-08-21) |
| April 23, 2013 | IRDM | S 10b5-1 | 15,000 | $6.70 | $100,500 | 1,993,387 Direct | -0.75% | Disposed | 624.6% (price as of 2026-08-21) |
| April 22, 2013 | IRDM | S 10b5-1 | 15,000 | $6.67 | $100,050 | 2,008,387 Direct | -0.74% | Disposed | 627.9% (price as of 2026-08-21) |
| April 19, 2013 | IRDM | S 10b5-1 | 15,000 | $6.68 | $100,200 | 2,023,387 Direct | -0.74% | Disposed | 626.8% (price as of 2026-08-21) |
| April 18, 2013 | IRDM | S 10b5-1 | 15,000 | $6.70 | $100,500 | 2,038,387 Direct | -0.73% | Disposed | 624.6% (price as of 2026-08-21) |
| April 17, 2013 | IRDM | S 10b5-1 | 15,000 | $6.71 | $100,650 | 2,053,387 Direct | -0.73% | Disposed | 623.5% (price as of 2026-08-21) |
| April 16, 2013 | IRDM | S 10b5-1 | 15,000 | $6.66 | $99,900 | 2,068,387 Direct | -0.72% | Disposed | 629.0% (price as of 2026-08-21) |
| April 15, 2013 | IRDM | S 10b5-1 | 15,000 | $6.56 | $98,400 | 2,083,387 Direct | -0.71% | Disposed | 640.1% (price as of 2026-08-21) |
| April 12, 2013 | IRDM | S 10b5-1 | 15,000 | $6.55 | $98,250 | 2,098,387 Direct | -0.71% | Disposed | 641.2% (price as of 2026-08-21) |
| April 11, 2013 | IRDM | S 10b5-1 | 15,000 | $6.36 | $95,400 | 2,113,387 Direct | -0.70% | Disposed | 663.4% (price as of 2026-08-21) |
| April 10, 2013 | IRDM | S 10b5-1 | 15,000 | $6.40 | $96,000 | 2,128,387 Direct | -0.70% | Disposed | 658.6% (price as of 2026-08-21) |
| April 9, 2013 | IRDM | S 10b5-1 | 15,000 | $6.55 | $98,250 | 2,143,387 Direct | -0.69% | Disposed | 641.2% (price as of 2026-08-21) |
| April 8, 2013 | IRDM | S 10b5-1 | 15,000 | $6.53 | $97,950 | 2,158,387 Direct | -0.69% | Disposed | 643.5% (price as of 2026-08-21) |
| April 5, 2013 | IRDM | S 10b5-1 | 15,000 | $6.36 | $95,400 | 2,173,387 Direct | -0.69% | Disposed | 663.4% (price as of 2026-08-21) |
| April 4, 2013 | IRDM | S 10b5-1 | 15,000 | $6.24 | $93,600 | 2,188,387 Direct | -0.68% | Disposed | 678.0% (price as of 2026-08-21) |
| April 3, 2013 | IRDM | S 10b5-1 | 15,000 | $6.26 | $93,900 | 2,203,387 Direct | -0.68% | Disposed | 675.6% (price as of 2026-08-21) |
| April 2, 2013 | IRDM | S 10b5-1 | 15,000 | $6.05 | $90,750 | 2,218,387 Direct | -0.67% | Disposed | 702.5% (price as of 2026-08-21) |
| April 1, 2013 | IRDM | S 10b5-1 | 15,000 | $6.00 | $90,000 | 2,233,387 Direct | -0.67% | Disposed | 709.2% (price as of 2026-08-21) |
| March 22, 2013 | IRDM | S 10b5-1 | 15,000 | $6.58 | $98,700 | 2,248,387 Direct | -0.66% | Disposed | 637.8% (price as of 2026-08-21) |
| March 21, 2013 | IRDM | S 10b5-1 | 15,000 | $6.50 | $97,500 | 2,263,387 Direct | -0.66% | Disposed | 646.9% (price as of 2026-08-21) |
| March 20, 2013 | IRDM | S 10b5-1 | 15,000 | $6.50 | $97,500 | 2,278,387 Direct | -0.65% | Disposed | 646.9% (price as of 2026-08-21) |
| March 19, 2013 | IRDM | S 10b5-1 | 15,000 | $6.54 | $98,100 | 2,293,387 Direct | -0.65% | Disposed | 642.4% (price as of 2026-08-21) |
| March 18, 2013 | IRDM | S 10b5-1 | 15,000 | $6.48 | $97,200 | 2,308,387 Direct | -0.65% | Disposed | 649.2% (price as of 2026-08-21) |
| March 15, 2013 | IRDM | S 10b5-1 | 15,000 | $6.38 | $95,700 | 2,323,387 Direct | -0.64% | Disposed | 661.0% (price as of 2026-08-21) |
| March 14, 2013 | IRDM | S 10b5-1 | 15,000 | $6.30 | $94,500 | 2,338,387 Direct | -0.64% | Disposed | 670.6% (price as of 2026-08-21) |
| March 13, 2013 | IRDM | S 10b5-1 | 15,000 | $6.33 | $94,950 | 2,353,387 Direct | -0.63% | Disposed | 667.0% (price as of 2026-08-21) |
| March 12, 2013 | IRDM | S 10b5-1 | 15,000 | $6.31 | $94,650 | 2,368,387 Direct | -0.63% | Disposed | 669.4% (price as of 2026-08-21) |
| March 11, 2013 | IRDM | S 10b5-1 | 15,000 | $6.28 | $94,200 | 2,383,387 Direct | -0.63% | Disposed | 673.1% (price as of 2026-08-21) |
| March 8, 2013 | IRDM | S 10b5-1 | 15,000 | $6.29 | $94,350 | 2,398,387 Direct | -0.62% | Disposed | 671.9% (price as of 2026-08-21) |
| March 7, 2013 | IRDM | S 10b5-1 | 15,000 | $6.31 | $94,650 | 2,413,387 Direct | -0.62% | Disposed | 669.4% (price as of 2026-08-21) |
| March 6, 2013 | IRDM | S 10b5-1 | 15,000 | $6.25 | $93,750 | 2,428,387 Direct | -0.61% | Disposed | 676.8% (price as of 2026-08-21) |
| March 5, 2013 | IRDM | S 10b5-1 | 15,000 | $6.12 | $91,800 | 2,443,387 Direct | -0.61% | Disposed | 693.3% (price as of 2026-08-21) |
| March 4, 2013 | IRDM | S 10b5-1 | 15,000 | $6.18 | $92,700 | 2,458,387 Direct | -0.61% | Disposed | 685.6% (price as of 2026-08-21) |
| March 1, 2013 | IRDM | S 10b5-1 | 15,000 | $6.00 | $90,000 | 2,473,387 Direct | -0.60% | Disposed | 709.2% (price as of 2026-08-21) |
| Feb. 28, 2013 | IRDM | S 10b5-1 | 15,000 | $6.13 | $91,950 | 2,488,387 Direct | -0.60% | Disposed | 692.0% (price as of 2026-08-21) |
| Feb. 27, 2013 | IRDM | S 10b5-1 | 15,000 | $6.48 | $97,200 | 2,503,387 Direct | -0.60% | Disposed | 649.2% (price as of 2026-08-21) |
| Feb. 26, 2013 | IRDM | S 10b5-1 | 15,000 | $6.52 | $97,800 | 2,518,387 Direct | -0.59% | Disposed | 644.6% (price as of 2026-08-21) |
| Feb. 25, 2013 | IRDM | S 10b5-1 | 15,000 | $6.66 | $99,900 | 2,533,387 Direct | -0.59% | Disposed | 629.0% (price as of 2026-08-21) |
| Feb. 22, 2013 | IRDM | S 10b5-1 | 15,000 | $6.68 | $100,200 | 2,548,387 Direct | -0.59% | Disposed | 626.8% (price as of 2026-08-21) |
| Feb. 21, 2013 | IRDM | S 10b5-1 | 15,000 | $6.71 | $100,650 | 2,563,387 Direct | -0.58% | Disposed | 623.5% (price as of 2026-08-21) |
| Feb. 20, 2013 | IRDM | S 10b5-1 | 15,000 | $6.90 | $103,500 | 2,578,387 Direct | -0.58% | Disposed | 603.6% (price as of 2026-08-21) |
| Feb. 19, 2013 | IRDM | S 10b5-1 | 15,000 | $6.90 | $103,500 | 2,593,387 Direct | -0.58% | Disposed | 603.6% (price as of 2026-08-21) |
| Feb. 15, 2013 | IRDM | S 10b5-1 | 15,000 | $6.88 | $103,200 | 2,608,387 Direct | -0.57% | Disposed | 605.7% (price as of 2026-08-21) |
| Feb. 14, 2013 | IRDM | S 10b5-1 | 15,000 | $6.90 | $103,500 | 2,623,387 Direct | -0.57% | Disposed | 603.6% (price as of 2026-08-21) |
| Feb. 13, 2013 | IRDM | S 10b5-1 | 15,000 | $6.97 | $104,550 | 2,638,387 Direct | -0.57% | Disposed | 596.6% (price as of 2026-08-21) |
| Feb. 12, 2013 | IRDM | S 10b5-1 | 15,000 | $6.89 | $103,350 | 2,653,387 Direct | -0.56% | Disposed | 604.6% (price as of 2026-08-21) |
| Feb. 11, 2013 | IRDM | S 10b5-1 | 15,000 | $6.85 | $102,750 | 2,668,387 Direct | -0.56% | Disposed | 608.8% (price as of 2026-08-21) |
| Feb. 8, 2013 | IRDM | S 10b5-1 | 15,000 | $6.94 | $104,100 | 2,683,387 Direct | -0.56% | Disposed | 599.6% (price as of 2026-08-21) |
| Feb. 7, 2013 | IRDM | S 10b5-1 | 15,000 | $6.98 | $104,700 | 2,698,387 Direct | -0.55% | Disposed | 595.6% (price as of 2026-08-21) |
| Feb. 6, 2013 | IRDM | S 10b5-1 | 15,000 | $6.99 | $104,850 | 2,713,387 Direct | -0.55% | Disposed | 594.6% (price as of 2026-08-21) |
| Feb. 5, 2013 | IRDM | S 10b5-1 | 15,000 | $6.96 | $104,400 | 2,728,387 Direct | -0.55% | Disposed | 597.6% (price as of 2026-08-21) |
| Feb. 4, 2013 | IRDM | S 10b5-1 | 15,000 | $6.93 | $103,950 | 2,743,387 Direct | -0.54% | Disposed | 600.6% (price as of 2026-08-21) |
| Feb. 1, 2013 | IRDM | S 10b5-1 | 15,000 | $6.98 | $104,700 | 2,758,387 Direct | -0.54% | Disposed | 595.6% (price as of 2026-08-21) |
| Jan. 31, 2013 | IRDM | S 10b5-1 | 15,000 | $6.98 | $104,700 | 2,773,387 Direct | -0.54% | Disposed | 595.6% (price as of 2026-08-21) |
| Jan. 30, 2013 | IRDM | S 10b5-1 | 15,000 | $7.01 | $105,150 | 2,788,387 Direct | -0.54% | Disposed | 592.6% (price as of 2026-08-21) |
| Jan. 29, 2013 | IRDM | S 10b5-1 | 15,000 | $7.14 | $107,100 | 2,803,387 Direct | -0.53% | Disposed | 580.0% (price as of 2026-08-21) |
| Jan. 28, 2013 | IRDM | S 10b5-1 | 15,000 | $7.14 | $107,100 | 2,818,387 Direct | -0.53% | Disposed | 580.0% (price as of 2026-08-21) |
| Jan. 25, 2013 | IRDM | S 10b5-1 | 15,000 | $7.11 | $106,650 | 2,833,387 Direct | -0.53% | Disposed | 582.8% (price as of 2026-08-21) |
| Jan. 24, 2013 | IRDM | S 10b5-1 | 15,000 | $7.16 | $107,400 | 2,848,387 Direct | -0.52% | Disposed | 578.1% (price as of 2026-08-21) |
| Jan. 23, 2013 | IRDM | S 10b5-1 | 15,000 | $7.21 | $108,150 | 2,863,387 Direct | -0.52% | Disposed | 573.4% (price as of 2026-08-21) |
| Jan. 22, 2013 | IRDM | S 10b5-1 | 15,000 | $7.12 | $106,800 | 2,878,387 Direct | -0.52% | Disposed | 581.9% (price as of 2026-08-21) |
| Jan. 18, 2013 | IRDM | S 10b5-1 | 15,000 | $7.00 | $105,000 | 2,893,387 Direct | -0.52% | Disposed | 593.6% (price as of 2026-08-21) |
| Jan. 17, 2013 | IRDM | S 10b5-1 | 15,000 | $6.79 | $101,850 | 2,908,387 Direct | -0.51% | Disposed | 615.0% (price as of 2026-08-21) |
| Jan. 16, 2013 | IRDM | S 10b5-1 | 15,000 | $6.84 | $102,600 | 2,923,387 Direct | -0.51% | Disposed | 609.8% (price as of 2026-08-21) |
| Jan. 15, 2013 | IRDM | S 10b5-1 | 15,000 | $6.83 | $102,450 | 2,938,387 Direct | -0.51% | Disposed | 610.8% (price as of 2026-08-21) |
| Jan. 14, 2013 | IRDM | S 10b5-1 | 15,000 | $6.86 | $102,900 | 2,953,387 Direct | -0.51% | Disposed | 607.7% (price as of 2026-08-21) |
| Jan. 11, 2013 | IRDM | S 10b5-1 | 15,000 | $6.98 | $104,700 | 2,968,387 Direct | -0.50% | Disposed | 595.6% (price as of 2026-08-21) |
| Jan. 10, 2013 | IRDM | S 10b5-1 | 15,000 | $7.14 | $107,100 | 2,983,387 Direct | -0.50% | Disposed | 580.0% (price as of 2026-08-21) |
| Jan. 9, 2013 | IRDM | S 10b5-1 | 15,000 | $7.02 | $105,300 | 2,998,387 Direct | -0.50% | Disposed | 591.6% (price as of 2026-08-21) |
| Jan. 8, 2013 | IRDM | S 10b5-1 | 15,000 | $6.74 | $101,100 | 3,013,387 Direct | -0.50% | Disposed | 620.3% (price as of 2026-08-21) |
| Jan. 7, 2013 | IRDM | S 10b5-1 | 15,000 | $6.88 | $103,200 | 3,028,387 Direct | -0.49% | Disposed | 605.7% (price as of 2026-08-21) |
| Jan. 4, 2013 | IRDM | S 10b5-1 | 15,000 | $6.89 | $103,350 | 3,043,387 Direct | -0.49% | Disposed | 604.6% (price as of 2026-08-21) |
| Jan. 3, 2013 | IRDM | S 10b5-1 | 15,000 | $6.85 | $102,750 | 3,058,387 Direct | -0.49% | Disposed | 608.8% (price as of 2026-08-21) |
| Jan. 2, 2013 | IRDM | S 10b5-1 | 15,000 | $6.80 | $102,000 | 3,073,387 Direct | -0.49% | Disposed | 614.0% (price as of 2026-08-21) |
| Dec. 21, 2012 | IRDM | S 10b5-1 | 15,000 | $5.69 | $85,350 | 3,088,387 Direct | -0.48% | Disposed | 753.3% (price as of 2026-08-21) |
| Dec. 20, 2012 | IRDM | S 10b5-1 | 15,000 | $5.89 | $88,350 | 3,103,387 Direct | -0.48% | Disposed | 724.3% (price as of 2026-08-21) |
| Dec. 19, 2012 | IRDM | S 10b5-1 | 15,000 | $5.87 | $88,050 | 3,118,387 Direct | -0.48% | Disposed | 727.1% (price as of 2026-08-21) |
| Dec. 18, 2012 | IRDM | S 10b5-1 | 15,000 | $5.81 | $87,150 | 3,133,387 Direct | -0.48% | Disposed | 735.6% (price as of 2026-08-21) |
| Dec. 17, 2012 | IRDM | S 10b5-1 | 15,000 | $5.76 | $86,400 | 3,148,387 Direct | -0.47% | Disposed | 742.9% (price as of 2026-08-21) |
| Dec. 14, 2012 | IRDM | S 10b5-1 | 15,000 | $5.75 | $86,250 | 3,163,387 Direct | -0.47% | Disposed | 744.3% (price as of 2026-08-21) |
| Dec. 13, 2012 | IRDM | S 10b5-1 | 15,000 | $5.89 | $88,350 | 3,178,387 Direct | -0.47% | Disposed | 724.3% (price as of 2026-08-21) |
| Dec. 12, 2012 | IRDM | S 10b5-1 | 15,000 | $6.08 | $91,200 | 3,193,387 Direct | -0.47% | Disposed | 698.5% (price as of 2026-08-21) |
| Dec. 11, 2012 | IRDM | S 10b5-1 | 15,000 | $6.07 | $91,050 | 3,208,387 Direct | -0.47% | Disposed | 699.8% (price as of 2026-08-21) |
| Dec. 10, 2012 | IRDM | S 10b5-1 | 15,000 | $6.04 | $90,600 | 3,223,387 Direct | -0.46% | Disposed | 703.8% (price as of 2026-08-21) |
| Dec. 7, 2012 | IRDM | S 10b5-1 | 15,000 | $6.02 | $90,300 | 3,238,387 Direct | -0.46% | Disposed | 706.5% (price as of 2026-08-21) |
| Dec. 6, 2012 | IRDM | S 10b5-1 | 15,000 | $6.05 | $90,750 | 3,253,387 Direct | -0.46% | Disposed | 702.5% (price as of 2026-08-21) |
| Dec. 5, 2012 | IRDM | S 10b5-1 | 15,000 | $6.25 | $93,750 | 3,268,387 Direct | -0.46% | Disposed | 676.8% (price as of 2026-08-21) |
| Dec. 4, 2012 | IRDM | S 10b5-1 | 15,000 | $6.29 | $94,350 | 3,283,387 Direct | -0.45% | Disposed | 671.9% (price as of 2026-08-21) |
| Dec. 3, 2012 | IRDM | S 10b5-1 | 15,000 | $6.10 | $91,500 | 3,298,387 Direct | -0.45% | Disposed | 695.9% (price as of 2026-08-21) |
Showing latest 100 of 375 transactions
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 |
|---|---|---|---|---|---|---|---|
| June 22, 2011 | IRDM | Warrant | Common Stock (4,000,000) | $11.50 | Feb. 14, 2015 | 4,000,000 | Disposed |
| Sept. 29, 2009 | IRDM | Warrant | Common Stock (16,369,563) | $7.00 | — | 16,369,563 | Disposed |
| Sept. 29, 2009 | IRDM | Warrant | Common Stock (4,000,000) | $11.50 | — | 4,000,000 | Acquired |
| Sept. 29, 2009 | IRDM | Convertible Subordinated Promissory Note | Common Stock | — | — | 0 | Acquired |
| March 27, 2008 | IRDM | Warrants | Common Stock (1,255,437) | $7.00 | — | 1,255,437 | Disposed |
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. 14, 2008 | IRDM | Common Stock | 9,625,000 | Direct |