Jonathan Silverstein
CIK 1171005 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 30, 2020 · Latest: Jan. 30, 2020
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 29 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
29 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 2, 2020 | ARQT | P | 296,000 | $25.00 | $7,400,000 | 902,286 Indirect | +48.82% | Acquired | 8.1% (price as of 2026-08-19) |
| Oct. 2, 2020 | ARQT | P | 200,000 | $25.00 | $5,000,000 | 4,267,564 Indirect | +4.92% | Acquired | 8.1% (price as of 2026-08-19) |
| Feb. 3, 2020 | ARQT | P | 176,500 | $17.00 | $3,000,500 | 176,500 Indirect | — | Acquired | 59.0% (price as of 2026-08-19) |
| Feb. 3, 2020 | ARQT | P | 382,388 | $17.00 | $6,500,596 | 382,388 Indirect | — | Acquired | 59.0% (price as of 2026-08-19) |
| March 6, 2018 | GKOS | S | 445 | $32.06 | $14,267 | 0 Indirect | -100.00% | Disposed | 484.4% (price as of 2026-08-19) |
| March 6, 2018 | GKOS | S | 46,676 | $32.06 | $1,496,433 | 0 Indirect | -100.00% | Disposed | 484.4% (price as of 2026-08-19) |
| March 6, 2018 | GKOS | S | 192 | $30.77 | $5,908 | 445 Indirect | -30.14% | Disposed | 508.9% (price as of 2026-08-19) |
| March 6, 2018 | GKOS | S | 20,114 | $30.77 | $618,908 | 46,676 Indirect | -30.12% | Disposed | 508.9% (price as of 2026-08-19) |
| March 6, 2018 | GKOS | S | 886 | $30.01 | $26,589 | 637 Indirect | -58.17% | Disposed | 524.3% (price as of 2026-08-19) |
| March 6, 2018 | GKOS | S | 93,008 | $30.01 | $2,791,170 | 66,790 Indirect | -58.20% | Disposed | 524.3% (price as of 2026-08-19) |
| March 5, 2018 | GKOS | S | 768 | $33.06 | $25,390 | 1,523 Indirect | -33.52% | Disposed | 466.7% (price as of 2026-08-19) |
| March 5, 2018 | GKOS | S | 80,516 | $33.06 | $2,661,859 | 159,798 Indirect | -33.50% | Disposed | 466.7% (price as of 2026-08-19) |
| March 5, 2018 | GKOS | S | 1,220 | $32.05 | $39,101 | 2,291 Indirect | -34.75% | Disposed | 484.5% (price as of 2026-08-19) |
| March 5, 2018 | GKOS | S | 128,092 | $32.05 | $4,105,349 | 240,314 Indirect | -34.77% | Disposed | 484.5% (price as of 2026-08-19) |
| March 2, 2018 | GKOS | S | 1,851 | $32.80 | $60,713 | 3,511 Indirect | -34.52% | Disposed | 471.2% (price as of 2026-08-19) |
| March 2, 2018 | GKOS | S | 194,433 | $32.80 | $6,377,402 | 368,406 Indirect | -34.55% | Disposed | 471.2% (price as of 2026-08-19) |
| March 2, 2018 | GKOS | S | 2,533 | $31.92 | $80,853 | 5,362 Indirect | -32.08% | Disposed | 486.9% (price as of 2026-08-19) |
| March 2, 2018 | GKOS | S | 265,766 | $31.92 | $8,483,251 | 562,839 Indirect | -32.07% | Disposed | 486.9% (price as of 2026-08-19) |
| Jan. 30, 2018 | ACET | P | 533,333 | $15.00 | $7,999,995 | 4,830,387 Indirect | +12.41% | Acquired | -99.4% (price as of 2026-08-19) |
| Sept. 5, 2017 | GKOS | S | 553 | $40.77 | $22,546 | 7,895 Indirect | -6.55% | Disposed | 359.5% (price as of 2026-08-19) |
| Sept. 5, 2017 | GKOS | S | 58,047 | $40.77 | $2,366,576 | 828,605 Indirect | -6.55% | Disposed | 359.5% (price as of 2026-08-19) |
| Sept. 5, 2017 | GKOS | S | 1,808 | $39.63 | $71,651 | 8,448 Indirect | -17.63% | Disposed | 372.7% (price as of 2026-08-19) |
| Sept. 5, 2017 | GKOS | S | 189,792 | $39.63 | $7,521,457 | 886,652 Indirect | -17.63% | Disposed | 372.7% (price as of 2026-08-19) |
| Sept. 5, 2017 | GKOS | S | 1,651 | $37.94 | $62,639 | 10,256 Indirect | -13.87% | Disposed | 393.8% (price as of 2026-08-19) |
| Sept. 5, 2017 | GKOS | S | 173,349 | $37.94 | $6,576,861 | 1,076,444 Indirect | -13.87% | Disposed | 393.8% (price as of 2026-08-19) |
| Sept. 1, 2017 | GKOS | S | 1,038 | $37.72 | $39,153 | 11,907 Indirect | -8.02% | Disposed | 396.7% (price as of 2026-08-19) |
| Sept. 1, 2017 | GKOS | S | 109,040 | $37.72 | $4,112,989 | 1,249,793 Indirect | -8.02% | Disposed | 396.7% (price as of 2026-08-19) |
| Aug. 31, 2017 | GKOS | S | 424 | $37.82 | $16,036 | 12,945 Indirect | -3.17% | Disposed | 395.4% (price as of 2026-08-19) |
| Aug. 31, 2017 | GKOS | S | 44,498 | $37.82 | $1,682,914 | 1,358,833 Indirect | -3.17% | Disposed | 395.4% (price as of 2026-08-19) |
| Aug. 17, 2017 | GKOS | S | 2,140 | $37.85 | $80,999 | 13,369 Indirect | -13.80% | Disposed | 395.0% (price as of 2026-08-19) |
| Aug. 17, 2017 | GKOS | S | 224,780 | $37.85 | $8,507,923 | 1,403,331 Indirect | -13.81% | Disposed | 395.0% (price as of 2026-08-19) |
| Aug. 16, 2017 | GKOS | S | 619 | $38.01 | $23,528 | 15,509 Indirect | -3.84% | Disposed | 392.9% (price as of 2026-08-19) |
| Aug. 16, 2017 | GKOS | S | 64,961 | $38.01 | $2,469,168 | 1,628,111 Indirect | -3.84% | Disposed | 392.9% (price as of 2026-08-19) |
| Aug. 15, 2017 | GKOS | S | 307 | $38.29 | $11,755 | 16,128 Indirect | -1.87% | Disposed | 389.3% (price as of 2026-08-19) |
| Aug. 15, 2017 | GKOS | S | 32,193 | $38.29 | $1,232,670 | 1,693,072 Indirect | -1.87% | Disposed | 389.3% (price as of 2026-08-19) |
| March 14, 2017 | GKOS | S | 73,401 | $44.54 | $3,269,281 | 1,725,265 Indirect | -4.08% | Disposed | 320.6% (price as of 2026-08-19) |
| March 14, 2017 | GKOS | S | 699 | $44.54 | $31,133 | 16,435 Indirect | -4.08% | Disposed | 320.6% (price as of 2026-08-19) |
| March 13, 2017 | GKOS | S | 208,712 | $45.30 | $9,454,654 | 1,799,359 Indirect | -10.39% | Disposed | 313.6% (price as of 2026-08-19) |
| March 13, 2017 | GKOS | S | 1,998 | $45.30 | $90,509 | 17,141 Indirect | -10.44% | Disposed | 313.6% (price as of 2026-08-19) |
| March 13, 2017 | GKOS | S | 693 | $46.13 | $31,968 | 1,798,666 Indirect | -0.04% | Disposed | 306.1% (price as of 2026-08-19) |
| March 13, 2017 | GKOS | S | 7 | $46.13 | $323 | 17,134 Indirect | -0.04% | Disposed | 306.1% (price as of 2026-08-19) |
| March 10, 2017 | GKOS | S | 96,113 | $45.98 | $4,419,276 | 2,008,071 Indirect | -4.57% | Disposed | 307.4% (price as of 2026-08-19) |
| March 10, 2017 | GKOS | S | 915 | $45.98 | $42,072 | 19,129 Indirect | -4.56% | Disposed | 307.4% (price as of 2026-08-19) |
| March 3, 2017 | GKOS | S | 526 | $47.05 | $24,748 | 20,044 Indirect | -2.56% | Disposed | 298.2% (price as of 2026-08-19) |
| March 3, 2017 | GKOS | S | 55,246 | $47.05 | $2,599,324 | 2,104,184 Indirect | -2.56% | Disposed | 298.2% (price as of 2026-08-19) |
| Aug. 12, 2016 | GKOS | S | 133 | $33.72 | $4,485 | 20,570 Indirect | -0.64% | Disposed | 455.6% (price as of 2026-08-19) |
| Aug. 12, 2016 | GKOS | S | 13,967 | $33.72 | $470,967 | 2,159,430 Indirect | -0.64% | Disposed | 455.6% (price as of 2026-08-19) |
| Aug. 11, 2016 | GKOS | S | 1,518 | $33.63 | $51,050 | 20,703 Indirect | -6.83% | Disposed | 457.1% (price as of 2026-08-19) |
| Aug. 11, 2016 | GKOS | S | 159,382 | $33.63 | $5,360,017 | 2,173,397 Indirect | -6.83% | Disposed | 457.1% (price as of 2026-08-19) |
| Aug. 10, 2016 | GKOS | S | 1,113 | $33.77 | $37,586 | 22,221 Indirect | -4.77% | Disposed | 454.8% (price as of 2026-08-19) |
| Aug. 10, 2016 | GKOS | S | 116,825 | $33.77 | $3,945,180 | 2,332,779 Indirect | -4.77% | Disposed | 454.8% (price as of 2026-08-19) |
| Aug. 3, 2016 | GKOS | S | 4,010 | $30.59 | $122,666 | 23,334 Indirect | -14.67% | Disposed | 512.4% (price as of 2026-08-19) |
| Aug. 3, 2016 | GKOS | S | 420,990 | $30.59 | $12,878,084 | 2,449,604 Indirect | -14.67% | Disposed | 512.4% (price as of 2026-08-19) |
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 3, 2020 | ACET | Stock Option (Right to Buy) | Common Stock (14,414) | $2.23 | June 2, 2030 | 14,414 | Acquired |
| Feb. 4, 2020 | ARQT | Series C Preferred Stock | Common Stock (429,786) | — | — | 429,786 | Disposed |
| Feb. 4, 2020 | ARQT | Series C Preferred Stock | Common Stock (859,573) | — | — | 859,573 | Disposed |
| Feb. 4, 2020 | ARQT | Series B Preferred Stock | Common Stock (2,825,603) | — | — | 2,825,603 | Disposed |
| May 8, 2019 | ACET | Stock Option (Right to Buy) | Common Stock (14,414) | $7.99 | May 7, 2029 | 14,414 | Acquired |
| Jan. 30, 2018 | ACET | Series B Preferred Stock | Common Stock | — | — | 1,871,569 | Disposed |
| Jan. 30, 2018 | ACET | Series A Preferred Stock | Common Stock | — | — | 2,425,482 | Disposed |
| July 23, 2015 | GKOS | Stock option (right to buy) | Common Stock (25,000) | $32.00 | July 23, 2025 | 25,000 | Acquired |
| June 30, 2015 | GKOS | Series D Convertible Preferred Stock Warrant (right to buy) | Common Stock (261) | $7.65 | — | 261 | Disposed |
| June 30, 2015 | GKOS | Series D Convertible Preferred Stock Warrant (right to buy) | Common Stock (27,346) | $7.65 | — | 27,346 | Disposed |
| June 30, 2015 | GKOS | Series F Convertible Preferred Stock | Common Stock (2,672) | — | — | 2,672 | Disposed |
| June 30, 2015 | GKOS | Series F Convertible Preferred Stock | Common Stock (280,531) | — | — | 280,531 | Disposed |
| June 30, 2015 | GKOS | Series E Convertible Preferred Stock | Common Stock (1,599) | — | — | 1,599 | Disposed |
| June 30, 2015 | GKOS | Series E Convertible Preferred Stock | Common Stock (167,898) | — | — | 167,898 | Disposed |
| June 30, 2015 | GKOS | Series D Convertible Preferred Stock | Common Stock (22,923) | — | — | 22,923 | Disposed |
| June 30, 2015 | GKOS | Series D Convertible Preferred Stock | Common Stock (2,406,441) | — | — | 2,406,441 | Disposed |
| May 15, 2007 | PODD | Series E Preferred Stock | Common Stock (1,568,841) | — | — | 1,568,841 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 17 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 30, 2020 | ARQT | Series B Preferred Stock→ Common Stock (2,825,603) | 2,825,603 | Indirect |
| Jan. 30, 2020 | ARQT | Series C Preferred Stock→ Common Stock (859,573) | 859,573 | Indirect |
| Jan. 30, 2020 | ARQT | Series C Preferred Stock→ Common Stock (429,786) | 429,786 | Indirect |
| Jan. 25, 2018 | ACET | Series A Preferred Stock→ Common Stock (2,425,485) | 2,425,485 | Indirect |
| Jan. 25, 2018 | ACET | Series B Preferred Stock→ Common Stock (1,871,569) | 1,871,569 | Indirect |
| Oct. 4, 2017 | RYTM | Series A Convertible Preferred Stock→ Common Stock (2,546,295) | 2,546,295 | Indirect |
| June 24, 2015 | GKOS | Stock option (right to buy)→ Common Stock (10,000) | 10,000 | Direct |
| June 24, 2015 | GKOS | Series D Convertible Preferred Stock→ Common Stock (2,406,441) | 2,406,441 | Indirect |
| June 24, 2015 | GKOS | Series D Convertible Preferred Stock→ Common Stock (22,923) | 22,923 | Indirect |
| June 24, 2015 | GKOS | Series E Convertible Preferred Stock→ Common Stock (167,898) | 167,898 | Indirect |
| June 24, 2015 | GKOS | Series E Convertible Preferred Stock→ Common Stock (1,599) | 1,599 | Indirect |
| June 24, 2015 | GKOS | Series F Convertible Preferred Stock→ Common Stock (280,531) | 280,531 | Indirect |
| June 24, 2015 | GKOS | Series F Convertible Preferred Stock→ Common Stock (2,672) | 2,672 | Indirect |
| June 24, 2015 | GKOS | Series D Convertible Preferred Stock Warrant (right to buy)→ Common Stock (27,346) | 27,346 | Indirect |
| June 24, 2015 | GKOS | Series D Convertible Preferred Stock Warrant (right to buy)→ Common Stock (261) | 261 | Indirect |
| May 15, 2007 | PODD | Series E Preferred Stock→ Common Stock [F3] | — | Indirect |
| May 14, 2007 | PODD | Series E Preferred Stock→ Common Stock [F3] | — | Indirect |