Bradley J Bolzon PhD

CIK 1354345 · View on SEC EDGAR ↗

Insider

First SEC filing: June 23, 2021 · Latest: June 23, 2021

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 59 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

59 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
July 19, 2021 CRSP S 10b5-1 3,504 $125.67 $440,348 155,327 Indirect -2.21% Disposed -52.6% (price as of 2026-08-21)
July 19, 2021 CRSP S 10b5-1 4,472 $126.41 $565,306 150,855 Indirect -2.88% Disposed -52.9% (price as of 2026-08-21)
July 19, 2021 CRSP S 10b5-1 1,324 $127.36 $168,625 149,531 Indirect -0.88% Disposed -53.2% (price as of 2026-08-21)
July 19, 2021 CRSP S 10b5-1 700 $128.71 $90,097 148,831 Indirect -0.47% Disposed -53.7% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 1,400 $145.92 $204,288 46,136 Direct -2.95% Disposed -59.2% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 600 $146.69 $88,014 45,536 Direct -1.30% Disposed -59.4% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 4,780 $147.43 $704,715 40,756 Direct -10.50% Disposed -59.6% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 12,176 $148.58 $1,809,110 28,580 Direct -29.88% Disposed -59.9% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 7,981 $149.47 $1,192,920 20,599 Direct -27.93% Disposed -60.2% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 12,753 $150.49 $1,919,199 7,846 Direct -61.91% Disposed -60.4% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 6,646 $151.24 $1,005,141 1,200 Direct -84.71% Disposed -60.6% (price as of 2026-08-21)
June 29, 2021 CRSP S 10b5-1 1,200 $152.42 $182,904 0 Direct -100.00% Disposed -60.9% (price as of 2026-08-21)
June 28, 2021 GLUE P 157,895 $19.00 $3,000,005 2,097,938 Indirect +8.14% Acquired -21.5% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 3,216 $150.65 $484,490 17,159 Direct -15.78% Disposed -60.5% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 1,578 $150.65 $237,726 167,253 Indirect -0.93% Disposed -60.5% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 6,403 $151.49 $969,990 10,756 Direct -37.32% Disposed -60.7% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 3,144 $151.49 $476,285 164,109 Indirect -1.88% Disposed -60.7% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 3,139 $152.38 $478,321 7,617 Direct -29.18% Disposed -60.9% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 1,540 $152.38 $234,665 162,569 Indirect -0.94% Disposed -60.9% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 4,519 $153.54 $693,847 3,098 Direct -59.33% Disposed -61.2% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 2,218 $153.54 $340,552 160,351 Indirect -1.36% Disposed -61.2% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 2,281 $154.57 $352,574 817 Direct -73.63% Disposed -61.5% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 1,119 $154.57 $172,964 159,232 Indirect -0.70% Disposed -61.5% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 268 $155.27 $41,612 549 Direct -32.80% Disposed -61.6% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 132 $155.27 $20,496 159,100 Indirect -0.08% Disposed -61.6% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 549 $156.54 $85,940 0 Direct -100.00% Disposed -62.0% (price as of 2026-08-21)
June 28, 2021 CRSP S 10b5-1 269 $156.54 $42,109 158,831 Indirect -0.17% Disposed -62.0% (price as of 2026-08-21)
June 11, 2021 CRSP S 10b5-1 755 $129.45 $97,735 20,375 Direct -3.57% Disposed -54.0% (price as of 2026-08-21)
June 11, 2021 CRSP S 10b5-1 1,100 $128.65 $141,515 21,130 Direct -4.95% Disposed -53.7% (price as of 2026-08-21)
June 11, 2021 CRSP S 10b5-1 800 $127.88 $102,304 22,230 Direct -3.47% Disposed -53.4% (price as of 2026-08-21)
June 11, 2021 CRSP S 10b5-1 1,918 $126.59 $242,800 23,030 Direct -7.69% Disposed -53.0% (price as of 2026-08-21)
June 11, 2021 CRSP S 10b5-1 5,427 $125.62 $681,740 24,948 Direct -17.87% Disposed -52.6% (price as of 2026-08-21)
March 22, 2021 CRSP S 10b5-1 300 $134.93 $40,479 30,375 Direct -0.98% Disposed -55.9% (price as of 2026-08-21)
March 22, 2021 CRSP S 10b5-1 5,237 $134.33 $703,486 30,675 Direct -14.58% Disposed -55.7% (price as of 2026-08-21)
March 22, 2021 CRSP S 10b5-1 9,334 $133.28 $1,244,036 35,912 Direct -20.63% Disposed -55.3% (price as of 2026-08-21)
March 22, 2021 CRSP S 10b5-1 6,090 $132.53 $807,108 45,246 Direct -11.86% Disposed -55.1% (price as of 2026-08-21)
March 22, 2021 CRSP S 10b5-1 2,400 $131.14 $314,736 51,336 Direct -4.47% Disposed -54.6% (price as of 2026-08-21)
March 22, 2021 CRSP S 10b5-1 3,413 $130.42 $445,123 53,736 Direct -5.97% Disposed -54.3% (price as of 2026-08-21)
March 22, 2021 CRSP S 10b5-1 3,600 $129.35 $465,660 57,149 Direct -5.93% Disposed -54.0% (price as of 2026-08-21)
Feb. 19, 2021 CRSP S 3,463 $151.82 $525,753 168,831 Indirect -2.01% Disposed -60.8% (price as of 2026-08-21)
Feb. 19, 2021 CRSP S 27,932 $150.99 $4,217,453 172,294 Indirect -13.95% Disposed -60.6% (price as of 2026-08-21)

Showing latest 100 of 462 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 9, 2022 CRSP Stock Option (Right to Buy) Common Shares (12,000) $71.70 June 9, 2032 12,000 Acquired
June 28, 2021 GLUE Series A convertible preferred stock Common Stock (5,666,131) — — 20,004,280 Disposed
June 28, 2021 GLUE Series B convertible preferred stock Common Stock (849,738) — — 3,000,000 Disposed
June 28, 2021 GLUE Series B convertible preferred stock Common Stock (1,175,470) — — 4,150,000 Disposed
June 28, 2021 GLUE Series C convertible preferred stock Common Stock (764,573) — — 2,699,328 Disposed
June 23, 2021 GLUE Stock Option (Right to Buy) Common Stock (47,132) $19.00 June 22, 2031 47,132 Acquired
June 18, 2021 BDTX Stock Option (Right to Buy) Common Stock (15,000) $12.55 June 17, 2031 15,000 Acquired
June 10, 2021 CRSP Stock Option (Right to Buy) Common Shares (10,000) $123.71 June 10, 2031 10,000 Acquired
March 11, 2021 GLUE Series C convertible preferred stock Common Stock (764,573) — — 2,699,328 Acquired
Feb. 24, 2021 GLUE Series B convertible preferred stock Common Stock (424,869) — — 1,500,000 Acquired
Feb. 24, 2021 GLUE Series B convertible preferred stock Common Stock (587,735) — — 2,075,000 Acquired
Sept. 1, 2020 CRSP Stock Option (Right to Buy) Common Shares (15,000) $59.31 June 15, 2028 15,000 Disposed
Sept. 1, 2020 CRSP Stock Option (Right to Buy) Common Shares (15,000) $13.62 May 31, 2027 15,000 Disposed
Sept. 1, 2020 CRSP Stock Option (Right to Buy) Common Shares (30,000) $14.00 Oct. 18, 2026 30,000 Disposed
June 11, 2020 CRSP Stock Option (Right to Buy) Common Shares $59.70 June 11, 2030 15,000 Acquired
Feb. 3, 2020 BDTX Series C Preferred Stock Common Stock (350,141) — — 1,055,960 Disposed
Feb. 3, 2020 BDTX Series C Preferred Stock Common Stock (104,407) — — 314,873 Disposed
Feb. 3, 2020 BDTX Series C Preferred Stock Common Stock (454,548) — — 1,370,833 Disposed
Feb. 3, 2020 BDTX Series C Preferred Stock Common Stock (810,522) — — 2,444,382 Disposed
Feb. 3, 2020 BDTX Series B Preferred Stock Common Stock (503,327) — — 1,517,940 Disposed
Feb. 3, 2020 BDTX Series B Preferred Stock Common Stock (150,085) — — 452,630 Disposed
Feb. 3, 2020 BDTX Series B Preferred Stock Common Stock (653,412) — — 1,970,572 Disposed
Feb. 3, 2020 BDTX Series A Preferred Stock Common Stock (1,277,111) — — 3,851,526 Disposed
Feb. 3, 2020 BDTX Series A Preferred Stock Common Stock (380,817) — — 1,148,474 Disposed
Feb. 3, 2020 BDTX Series A Preferred Stock Common Stock (4,973,787) — — 15,000,000 Disposed
June 11, 2019 CRSP Stock Option (Right to Buy) Common Shares $43.52 June 11, 2029 15,000 Acquired
June 15, 2018 CRSP Stock Option (Right to Buy) Common Shares $59.31 June 15, 2028 30,000 Acquired
May 31, 2017 CRSP Stock Option (Right to Buy) Common Shares $13.62 May 31, 2027 30,000 Acquired
Oct. 24, 2016 CRSP Series B Preferred Shares Common Stock (5,774) — — 5,774 Disposed
Oct. 24, 2016 CRSP Series B Preferred Shares Common Stock (13,180) — — 13,180 Disposed
Oct. 24, 2016 CRSP Series B Preferred Shares Common Stock (5,210) — — 5,210 Disposed
Oct. 24, 2016 CRSP Series B Preferred Shares Common Stock (173,167) — — 173,167 Disposed
Oct. 24, 2016 CRSP Series B Preferred Shares Common Stock (1,454) — — 1,454 Disposed
Oct. 24, 2016 CRSP Series B Preferred Shares Common Stock (231,077) — — 231,077 Disposed
Oct. 24, 2016 CRSP Series A-3 Preferred Shares Common Stock (73,704) — — 73,704 Disposed
Oct. 24, 2016 CRSP Series A-3 Preferred Shares Common Stock (168,224) — — 168,224 Disposed
Oct. 24, 2016 CRSP Series A-3 Preferred Shares Common Stock (66,490) — — 66,490 Disposed
Oct. 24, 2016 CRSP Series A-3 Preferred Shares Common Stock (2,210,417) — — 2,210,417 Disposed
Oct. 24, 2016 CRSP Series A-2 Preferred Shares Common Stock (19,524) — — 19,524 Disposed
Oct. 24, 2016 CRSP Series A-2 Preferred Shares Common Stock (3,100,477) — — 3,100,477 Disposed
Oct. 24, 2016 CRSP Series A-1 Preferred Shares Common Stock (2,754) — — 2,754 Disposed
Oct. 24, 2016 CRSP Series A-1 Preferred Shares Common Stock (437,247) — — 437,247 Disposed
Oct. 18, 2016 CRSP Stock Option (Right to Buy) Common Stock $14.00 Oct. 18, 2026 30,000 Acquired
Oct. 18, 2016 CRSP Stock Option (Right to Buy) Common Shares (30,000) $14.00 Oct. 18, 2026 30,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 48 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
June 23, 2021 GLUE Common Stock 283,246 Indirect
June 23, 2021 GLUE Series A convertible preferred stock→ Common Stock (5,666,131) 5,666,131 Indirect
June 23, 2021 GLUE Series B convertible preferred stock→ Common Stock (849,738) 849,738 Indirect
June 23, 2021 GLUE Series B convertible preferred stock→ Common Stock (1,175,470) 1,175,470 Indirect
June 23, 2021 GLUE Series C convertible preferred stock→ Common Stock (764,573) 764,573 Indirect
Jan. 29, 2020 BDTX Common Stock 331,585 Indirect
Jan. 29, 2020 BDTX Series A Preferred Stock→ Common Stock (4,973,787) 4,973,787 Indirect
Jan. 29, 2020 BDTX Series A Preferred Stock→ Common Stock (380,817) 380,817 Indirect
Jan. 29, 2020 BDTX Series A Preferred Stock→ Common Stock (1,277,111) 1,277,111 Indirect
Jan. 29, 2020 BDTX Series B Preferred Stock→ Common Stock (653,412) 653,412 Indirect
Jan. 29, 2020 BDTX Series B Preferred Stock→ Common Stock (150,085) 150,085 Indirect
Jan. 29, 2020 BDTX Series B Preferred Stock→ Common Stock (503,327) 503,327 Indirect
Jan. 29, 2020 BDTX Series C Preferred Stock→ Common Stock (810,522) 810,522 Indirect
Jan. 29, 2020 BDTX Series C Preferred Stock→ Common Stock (454,548) 454,548 Indirect
Jan. 29, 2020 BDTX Series C Preferred Stock→ Common Stock (104,407) 104,407 Indirect
Jan. 29, 2020 BDTX Series C Preferred Stock→ Common Stock (350,141) 350,141 Indirect
Dec. 23, 2016 CRSP Common Shares 684,014 Indirect
Dec. 23, 2016 CRSP Common Shares 239,648 Indirect
Dec. 23, 2016 CRSP Series A-1 Preferred Shares→ Common Shares (437,247) 437,247 Indirect
Dec. 23, 2016 CRSP Series A-1 Preferred Shares→ Common Shares (2,754) 2,754 Indirect
Dec. 23, 2016 CRSP Series A-2 Preferred Shares→ Common Shares (3,100,477) 3,100,477 Indirect
Dec. 23, 2016 CRSP Series A-2 Preferred Shares→ Common Shares (19,524) 19,524 Indirect
Dec. 23, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (2,210,417) 2,210,417 Indirect
Dec. 23, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (66,490) 66,490 Indirect
Dec. 23, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (168,224) 168,224 Indirect
Dec. 23, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (73,704) 73,704 Indirect
Dec. 23, 2016 CRSP Series B Preferred Shares→ Common Shares (231,077) 231,077 Indirect
Dec. 23, 2016 CRSP Series B Preferred Shares→ Common Shares (1,454) 1,454 Indirect
Dec. 23, 2016 CRSP Series B Preferred Shares→ Common Shares (173,167) 173,167 Indirect
Dec. 23, 2016 CRSP Series B Preferred Shares→ Common Shares (5,210) 5,210 Indirect
Dec. 23, 2016 CRSP Series B Preferred Shares→ Common Shares (13,180) 13,180 Indirect
Dec. 23, 2016 CRSP Series B Preferred Shares→ Common Shares (5,774) 5,774 Indirect
Oct. 18, 2016 CRSP Common Shares 342,007 Direct
Oct. 18, 2016 CRSP Common Shares 239,648 Indirect
Oct. 18, 2016 CRSP Series A-1 Preferred Shares→ Common Shares (437,247) 437,247 Indirect
Oct. 18, 2016 CRSP Series A-1 Preferred Shares→ Common Shares (2,754) 2,754 Indirect
Oct. 18, 2016 CRSP Series A-2 Preferred Shares→ Common Shares (3,100,477) 3,100,477 Indirect
Oct. 18, 2016 CRSP Series A-2 Preferred Shares→ Common Shares (19,524) 19,524 Indirect
Oct. 18, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (2,210,417) 2,210,417 Indirect
Oct. 18, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (66,490) 66,490 Indirect
Oct. 18, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (168,224) 168,224 Indirect
Oct. 18, 2016 CRSP Series A-3 Preferred Shares→ Common Shares (73,704) 73,704 Indirect
Oct. 18, 2016 CRSP Series B Preferred Shares→ Common Shares (231,077) 231,077 Indirect
Oct. 18, 2016 CRSP Series B Preferred Shares→ Common Shares (1,454) 1,454 Indirect
Oct. 18, 2016 CRSP Series B Preferred Shares→ Common Shares (173,167) 173,167 Indirect
Oct. 18, 2016 CRSP Series B Preferred Shares→ Common Shares (5,210) 5,210 Indirect
Oct. 18, 2016 CRSP Series B Preferred Shares→ Common Shares (13,180) 13,180 Indirect
Oct. 18, 2016 CRSP Series B Preferred Shares→ Common Shares (5,774) 5,774 Indirect