Matthias L Heilmann
CIK 1490911 · View on SEC EDGAR ↗
First SEC filing: July 3, 2017 · Latest: July 3, 2017
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 12, 2019 | BKR | P | 10 | $78.00 | $780 | 0 Direct | — | Acquired | -16.8% (price as of 2026-08-20) |
| Feb. 1, 2019 | BKR | S | 10 | $75.00 | $750 | 10 Direct | -50.00% | Disposed | -13.5% (price as of 2026-08-20) |
| Oct. 29, 2018 | BKR | S | 2 | $707.00 | $1,414 | 3 Direct | -40.00% | Disposed | -90.8% (price as of 2026-08-20) |
| Oct. 29, 2018 | BKR | S | 1 | $704.00 | $704 | 1 Direct | -50.00% | Disposed | -90.8% (price as of 2026-08-20) |
| Oct. 29, 2018 | BKR | P | 3 | $694.00 | $2,082 | 0 Direct | — | Acquired | -90.6% (price as of 2026-08-20) |
| Oct. 16, 2018 | BKR | P | 3 | $5.00 | $15 | 32 Direct | +10.34% | Acquired | 1198.2% (price as of 2026-08-20) |
| Oct. 16, 2018 | BKR | S | 3 | $360.00 | $1,080 | 3 Direct | -50.00% | Disposed | -82.0% (price as of 2026-08-20) |
| Oct. 16, 2018 | BKR | P | 3 | $320.00 | $960 | 0 Direct | — | Acquired | -79.7% (price as of 2026-08-20) |
| Oct. 16, 2018 | BKR | P | 32 | $5.00 | $160 | 0 Direct | — | Acquired | 1198.2% (price as of 2026-08-20) |
| Aug. 22, 2018 | BKR | S | 3 | $237.00 | $711 | 3 Direct | -50.00% | Disposed | -72.6% (price as of 2026-08-20) |
| Aug. 22, 2018 | BKR | P | 3 | $200.00 | $600 | 0 Direct | — | Acquired | -67.5% (price as of 2026-08-20) |
| Aug. 7, 2018 | BKR | S | 3 | $85.00 | $255 | 3 Direct | -50.00% | Disposed | -23.6% (price as of 2026-08-20) |
| Aug. 7, 2018 | BKR | S | 30 | $324.00 | $9,720 | 35 Direct | -46.15% | Disposed | -80.0% (price as of 2026-08-20) |
| Aug. 7, 2018 | BKR | P | 30 | $283.00 | $8,490 | 0 Direct | — | Acquired | -77.1% (price as of 2026-08-20) |
| July 27, 2018 | BKR | S | 30 | $235.00 | $7,050 | 30 Direct | -50.00% | Disposed | -72.4% (price as of 2026-08-20) |
| July 27, 2018 | BKR | P | 30 | $181.00 | $5,430 | 0 Direct | — | Acquired | -64.1% (price as of 2026-08-20) |
| July 20, 2018 | BKR | S | 5 | $161.00 | $805 | 5 Direct | -50.00% | Disposed | -59.7% (price as of 2026-08-20) |
| July 20, 2018 | BKR | P | 5 | $11.00 | $55 | 0 Direct | — | Acquired | 490.1% (price as of 2026-08-20) |
| July 10, 2018 | BKR | P | 30 | $202.00 | $6,060 | 0 Direct | — | Acquired | -67.9% (price as of 2026-08-20) |
| July 10, 2018 | BKR | P | 5 | $41.00 | $205 | 0 Direct | — | Acquired | 58.3% (price as of 2026-08-20) |
| July 10, 2018 | BKR | S | 5 | $86.00 | $430 | 5 Direct | -50.00% | Disposed | -24.5% (price as of 2026-08-20) |
| July 10, 2018 | BKR | S | 30 | $243.00 | $7,290 | 30 Direct | -50.00% | Disposed | -73.3% (price as of 2026-08-20) |
| June 4, 2018 | BKR | S | 30 | $137.00 | $4,110 | 30 Direct | -50.00% | Disposed | -52.6% (price as of 2026-08-20) |
| June 4, 2018 | BKR | P | 30 | $7.00 | $210 | 0 Direct | — | Acquired | 827.3% (price as of 2026-08-20) |
| June 1, 2018 | BKR | P | 5 | $28.00 | $140 | 0 Direct | — | Acquired | 131.8% (price as of 2026-08-20) |
| June 1, 2018 | BKR | S | 5 | $137.00 | $685 | 5 Direct | -50.00% | Disposed | -52.6% (price as of 2026-08-20) |
| May 9, 2018 | BKR | S | 5 | $150.00 | $750 | 5 Direct | -50.00% | Disposed | -56.7% (price as of 2026-08-20) |
| May 9, 2018 | BKR | S | 30 | $192.00 | $5,760 | 30 Direct | -50.00% | Disposed | -66.2% (price as of 2026-08-20) |
| May 9, 2018 | BKR | P | 30 | $130.00 | $3,900 | 0 Direct | — | Acquired | -50.1% (price as of 2026-08-20) |
| April 20, 2018 | BKR | S | 15 | $100.00 | $1,500 | 15 Direct | -50.00% | Disposed | -35.1% (price as of 2026-08-20) |
| April 20, 2018 | BKR | S | 15 | $95.00 | $1,425 | 30 Direct | -33.33% | Disposed | -31.7% (price as of 2026-08-20) |
| Feb. 9, 2018 | BKR | P | 10 | $10.00 | $100 | 0 Direct | — | Acquired | 549.1% (price as of 2026-08-20) |
| Jan. 31, 2018 | BKR | P | 10 | $25.00 | $250 | 0 Direct | — | Acquired | 159.6% (price as of 2026-08-20) |
| Jan. 31, 2018 | BKR | S | 10 | $104.00 | $1,040 | 10 Direct | -50.00% | Disposed | -37.6% (price as of 2026-08-20) |
| Jan. 19, 2018 | BKR | S | 10 | $225.00 | $2,250 | 0 Direct | -100.00% | Disposed | -71.2% (price as of 2026-08-20) |
| Jan. 19, 2018 | BKR | P | 10 | $78.00 | $780 | 0 Direct | — | Acquired | -16.8% (price as of 2026-08-20) |
| Jan. 11, 2018 | BKR | S | 10 | $270.00 | $2,700 | 10 Direct | -50.00% | Disposed | -76.0% (price as of 2026-08-20) |
| Jan. 11, 2018 | BKR | P | 10 | $225.00 | $2,250 | 10 Direct | — | Acquired | -71.2% (price as of 2026-08-20) |
| Dec. 6, 2017 | BKR | P | 40 | $5.00 | $200 | 0 Direct | — | Acquired | 1198.2% (price as of 2026-08-20) |
| Oct. 30, 2017 | BKR | S | 20 | $62.00 | $1,240 | 40 Direct | -33.33% | Disposed | 4.7% (price as of 2026-08-20) |
| Oct. 30, 2017 | BKR | S | 20 | $70.00 | $1,400 | 20 Direct | -50.00% | Disposed | -7.3% (price as of 2026-08-20) |
| Oct. 30, 2017 | BKR | P | 10 | $99.00 | $990 | 20 Direct | +100.00% | Acquired | -34.4% (price as of 2026-08-20) |
| Oct. 30, 2017 | BKR | P | 10 | $110.00 | $1,100 | 10 Direct | — | Acquired | -41.0% (price as of 2026-08-20) |
| Oct. 20, 2017 | BKR | S | 20 | $125.00 | $2,500 | 20 Direct | -50.00% | Disposed | -48.1% (price as of 2026-08-20) |
| Oct. 20, 2017 | BKR | P | 10 | $200.00 | $2,000 | 10 Direct | — | Acquired | -67.5% (price as of 2026-08-20) |
| Aug. 14, 2017 | BKR | P | 20 | $5.00 | $100 | 0 Direct | — | Acquired | 1198.2% (price as of 2026-08-20) |
| July 28, 2017 | BKR | S | 10 | $55.00 | $550 | 20 Direct | -33.33% | Disposed | 18.0% (price as of 2026-08-20) |
| July 28, 2017 | BKR | S | 10 | $60.00 | $600 | 10 Direct | -50.00% | Disposed | 8.2% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 12, 2019 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $25.00 | March 15, 2019 | 10 | Acquired |
| Feb. 1, 2019 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,000) | $25.00 | March 15, 2019 | 10 | Disposed |
| Nov. 28, 2018 | BKR | Put Option (obligation to buy) | Class A Common Stock (200) | $34.00 | Jan. 18, 2019 | 2 | Disposed |
| Nov. 19, 2018 | BKR | Put Option (obligation to buy) | Class A Common Stock (100) | $34.00 | Jan. 18, 2019 | 1 | Disposed |
| Oct. 29, 2018 | BKR | Put Option (obligation to buy) | Class A Common Stock (200) | $34.00 | Jan. 18, 2019 | 2 | Disposed |
| Oct. 29, 2018 | BKR | Put Option (obligation to buy) | Class A Common Stock (100) | $34.00 | Jan. 18, 2019 | 1 | Disposed |
| Oct. 29, 2018 | BKR | Put Option (right to sell) | Class A Common Stock (300) | $34.00 | Nov. 16, 2018 | 3 | Acquired |
| Oct. 16, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (300) | $33.00 | Oct. 19, 2018 | 3 | Acquired |
| Oct. 16, 2018 | BKR | Put Option (obligation to buy) | Class A Common Stock (300) | $34.00 | Nov. 16, 2018 | 3 | Disposed |
| Oct. 16, 2018 | BKR | Put Option (right to sell) | Class A Common Stock (300) | $34.00 | Oct. 19, 2018 | 3 | Acquired |
| Oct. 16, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (3,200) | $33.00 | Oct. 19, 2018 | 32 | Acquired |
| Aug. 22, 2018 | BKR | Put Option (obligation to buy) | Class A Common Stock (300) | $34.00 | Oct. 19, 2018 | 3 | Disposed |
| Aug. 22, 2018 | BKR | Put Option (right to sell) | Class A Common Stock (300) | $34.00 | Sept. 21, 2018 | 3 | Acquired |
| Aug. 7, 2018 | BKR | Put Option (obligation to buy) | Class A Common Stock (300) | $34.00 | Sept. 21, 2018 | 3 | Disposed |
| Aug. 7, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (3,000) | $33.00 | Oct. 19, 2018 | 30 | Disposed |
| Aug. 7, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (3,000) | $33.00 | Sept. 21, 2018 | 30 | Acquired |
| July 27, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (3,000) | $33.00 | Sept. 21, 2018 | 30 | Disposed |
| July 27, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (3,000) | $33.00 | Aug. 17, 2018 | 30 | Acquired |
| July 20, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (500) | $33.00 | Oct. 19, 2018 | 5 | Disposed |
| July 20, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (500) | $36.00 | Aug. 17, 2018 | 5 | Acquired |
| July 10, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (3,000) | $33.00 | July 20, 2018 | 30 | Acquired |
| July 10, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (500) | $36.00 | July 20, 2018 | 5 | Acquired |
| July 10, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (500) | $36.00 | Aug. 17, 2018 | 5 | Disposed |
| July 10, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (3,000) | $33.00 | Aug. 17, 2018 | 30 | Disposed |
| June 4, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (3,000) | $33.00 | July 20, 2018 | 30 | Disposed |
| June 4, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (3,000) | $36.00 | June 15, 2018 | 30 | Acquired |
| June 1, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (500) | $37.00 | June 15, 2018 | 5 | Acquired |
| June 1, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (500) | $36.00 | July 20, 2018 | 5 | Disposed |
| May 9, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (500) | $37.00 | June 15, 2018 | 5 | Disposed |
| May 9, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (3,000) | $36.00 | June 15, 2018 | 30 | Disposed |
| May 9, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (3,000) | $36.00 | May 18, 2018 | 30 | Acquired |
| April 20, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,500) | $36.00 | May 18, 2018 | 15 | Disposed |
| April 20, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,500) | $36.00 | May 18, 2018 | 15 | Disposed |
| Feb. 9, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $33.00 | March 16, 2018 | 10 | Acquired |
| Jan. 31, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $34.00 | Feb. 16, 2018 | 10 | Acquired |
| Jan. 31, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,000) | $33.00 | March 16, 2018 | 10 | Disposed |
| Jan. 19, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,000) | $32.50 | Jan. 19, 2018 | 10 | Disposed |
| Jan. 19, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $34.00 | Jan. 19, 2018 | 10 | Acquired |
| Jan. 11, 2018 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,000) | $34.00 | Feb. 16, 2018 | 10 | Disposed |
| Jan. 11, 2018 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $34.00 | Jan. 19, 2018 | 10 | Acquired |
| Dec. 6, 2017 | BKR | Call Option (right to buy) | Class A Common Stock (4,000) | $33.00 | Dec. 15, 2017 | 40 | Acquired |
| Oct. 30, 2017 | BKR | Call Option (obligation to sell) | Class A Common Stock (2,000) | $33.00 | Dec. 15, 2017 | 20 | Disposed |
| Oct. 30, 2017 | BKR | Call Option (obligation to sell) | Class A Common Stock (2,000) | $33.00 | Dec. 15, 2017 | 20 | Disposed |
| Oct. 30, 2017 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $32.00 | Dec. 15, 2017 | 10 | Acquired |
| Oct. 30, 2017 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $32.00 | Dec. 15, 2017 | 10 | Acquired |
| Oct. 20, 2017 | BKR | Call Option (obligation to sell) | Class A Common Stock (2,000) | $34.00 | Jan. 19, 2018 | 20 | Disposed |
| Oct. 20, 2017 | BKR | Call Option (right to buy) | Class A Common Stock (1,000) | $32.50 | Jan. 19, 2018 | 10 | Acquired |
| Aug. 14, 2017 | BKR | Call Option (right to buy) | Class A Common Stock (2,000) | $40.00 | Sept. 15, 2017 | 20 | Acquired |
| July 28, 2017 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,000) | $40.00 | Sept. 15, 2017 | 10 | Disposed |
| July 28, 2017 | BKR | Call Option (obligation to sell) | Class A Common Stock (1,000) | $40.00 | Sept. 15, 2017 | 10 | 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 |
|---|---|---|---|---|
| July 3, 2017 | BKR | Class A Common Stock | 2,000 | Direct |