David A Pierce

CIK 1529751 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 16, 2011 · Latest: Sept. 16, 2011

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 74 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

74 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 1, 2022 BSX S 10b5-1 1,726 $43.94 $75,840 0 Direct -100.00% Disposed 17.4% (price as of 2026-08-19)
Feb. 23, 2022 BSX S 10b5-1 1,761 $43.28 $76,216 0 Direct -100.00% Disposed 19.2% (price as of 2026-08-19)
Feb. 22, 2022 BSX S 10b5-1 1,884 $42.55 $80,164 1,761 Direct -51.69% Disposed 21.3% (price as of 2026-08-19)
Feb. 18, 2022 BSX S 2,354 $42.88 $100,940 1,884 Direct -55.55% Disposed 20.3% (price as of 2026-08-19)
Feb. 16, 2022 BSX S 1,956 $43.81 $85,692 0 Direct -100.00% Disposed 17.8% (price as of 2026-08-19)
Jan. 4, 2022 BSX S 10b5-1 6,161 $43.54 $268,250 0 Direct -100.00% Disposed 18.5% (price as of 2026-08-19)
Dec. 20, 2021 BSX S 10b5-1 49,988 $39.90 $1,994,521 0 Direct -100.00% Disposed 29.3% (price as of 2026-08-19)
June 3, 2021 BSX S 10b5-1 1,654 $41.36 $68,409 2,057 Direct -44.57% Disposed 24.8% (price as of 2026-08-19)
March 16, 2021 BSX S 10b5-1 7,603 $39.36 $299,254 2,057 Direct -78.71% Disposed 31.1% (price as of 2026-08-19)
March 2, 2021 BSX S 10b5-1 1,360 $38.90 $52,904 9,660 Direct -12.34% Disposed 32.7% (price as of 2026-08-19)
Feb. 23, 2021 BSX S 10b5-1 2,836 $39.20 $111,171 9,660 Direct -22.70% Disposed 31.6% (price as of 2026-08-19)
Feb. 19, 2021 BSX S 10b5-1 1,484 $38.00 $56,392 9,660 Direct -13.32% Disposed 35.8% (price as of 2026-08-19)
Feb. 16, 2021 BSX S 10b5-1 1,540 $38.28 $58,951 9,660 Direct -13.75% Disposed 34.8% (price as of 2026-08-19)
Feb. 4, 2021 BSX S 10b5-1 11,317 $38.00 $430,046 2,057 Direct -84.62% Disposed 35.8% (price as of 2026-08-19)
Nov. 9, 2020 BSX S 10b5-1 2,028 $39.00 $79,092 662 Direct -75.39% Disposed 32.3% (price as of 2026-08-19)
Oct. 1, 2020 BSX S 10b5-1 2,282 $38.56 $87,994 2,690 Direct -45.90% Disposed 33.8% (price as of 2026-08-19)
Sept. 1, 2020 BSX S 10b5-1 2,044 $40.70 $83,191 4,972 Direct -29.13% Disposed 26.8% (price as of 2026-08-19)
Aug. 3, 2020 BSX S 10b5-1 2,385 $38.69 $92,276 7,016 Direct -25.37% Disposed 33.4% (price as of 2026-08-19)
July 22, 2020 BSX S 10b5-1 2,170 $38.00 $82,460 9,401 Direct -18.75% Disposed 35.8% (price as of 2026-08-19)
June 3, 2020 BSX S 10b5-1 1,624 $38.00 $61,712 11,571 Direct -12.31% Disposed 35.8% (price as of 2026-08-19)
June 1, 2020 BSX S 10b5-1 1,969 $38.00 $74,822 13,195 Direct -12.98% Disposed 35.8% (price as of 2026-08-19)
May 8, 2020 BSX S 10b5-1 2,057 $38.00 $78,166 13,540 Direct -13.19% Disposed 35.8% (price as of 2026-08-19)
April 17, 2020 BSX S 10b5-1 14,793 $38.00 $562,134 15,597 Direct -48.68% Disposed 35.8% (price as of 2026-08-19)
March 2, 2020 BSX S 10b5-1 3,485 $38.00 $132,430 30,390 Direct -10.29% Disposed 35.8% (price as of 2026-08-19)
Feb. 25, 2020 BSX S 10b5-1 4,122 $41.15 $169,620 32,540 Direct -11.24% Disposed 25.4% (price as of 2026-08-19)
Feb. 19, 2020 BSX S 10b5-1 1,511 $42.31 $63,930 32,540 Direct -4.44% Disposed 22.0% (price as of 2026-08-19)

Showing latest 100 of 424 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
Feb. 28, 2022 BSX Deferred Stock Units Common Stock (2,444) — Feb. 28, 2022 2,444 Disposed
Feb. 22, 2022 BSX Performance Share Units Common Stock (17,439) — Dec. 31, 2023 17,439 Acquired
Feb. 21, 2022 BSX Deferred Stock Units Common Stock (2,493) — Feb. 21, 2023 2,493 Disposed
Feb. 18, 2022 BSX Deferred Stock Units Common Stock (2,668) — Feb. 18, 2024 2,668 Disposed
Feb. 17, 2022 BSX Restricted Stock Units Common Stock (3,333) — Feb. 17, 2025 3,333 Disposed
Feb. 15, 2022 BSX Deferred Stock Units Common Stock (2,769) — Feb. 15, 2023 2,769 Disposed
Jan. 1, 2022 BSX Performance Share Units Common Stock (8,982) — Dec. 31, 2021 8,982 Disposed
Dec. 20, 2021 BSX Stock Option (Right to Buy) Common Stock (4,997) $6.28 Feb. 27, 2022 4,997 Disposed
Dec. 20, 2021 BSX Stock Option (Right to Buy) Common Stock (42,934) $7.39 Feb. 28, 2023 42,934 Disposed
June 1, 2021 BSX Deferred Stock Units Common Stock (2,973) — June 1, 2021 2,973 Disposed
Feb. 28, 2021 BSX Deferred Stock Units Common Stock (2,444) — Feb. 28, 2022 2,444 Disposed
Feb. 22, 2021 BSX Deferred Stock Units Common Stock (2,607) — Feb. 22, 2021 2,607 Disposed
Feb. 22, 2021 BSX Performance Share Units Common Stock (9,456) — Dec. 31, 2022 9,456 Acquired
Feb. 21, 2021 BSX Deferred Stock Units Common Stock (2,492) — Feb. 21, 2023 2,492 Disposed
Feb. 18, 2021 BSX Deferred Stock Units Common Stock (2,668) — Feb. 18, 2024 2,668 Disposed
Feb. 17, 2021 BSX Restricted Stock Units Common Stock (13,333) — Feb. 17, 2025 13,333 Acquired
Feb. 17, 2021 BSX Stock Option (Right to Buy) Common Stock (42,881) $37.50 Feb. 17, 2031 42,881 Acquired
Feb. 15, 2021 BSX Deferred Stock Units Common Stock (2,768) — Feb. 15, 2023 2,768 Disposed
Jan. 1, 2021 BSX Performance Share Units Common Stock (16,318) — Dec. 31, 2020 16,318 Disposed
June 1, 2020 BSX Deferred Stock Units Common Stock (2,972) — June 1, 2021 2,972 Disposed
Feb. 28, 2020 BSX Deferred Stock Units Common Stock (2,444) — Feb. 28, 2022 2,444 Disposed
Feb. 24, 2020 BSX Performance Share Units Common Stock (8,982) — Dec. 31, 2021 8,982 Acquired
Feb. 23, 2020 BSX Deferred Stock Units Common Stock (2,453) — Feb. 23, 2020 2,453 Disposed
Feb. 22, 2020 BSX Deferred Stock Units Common Stock (2,607) — Feb. 22, 2021 2,607 Disposed
Feb. 21, 2020 BSX Deferred Stock Units Common Stock (2,492) — Feb. 21, 2023 2,492 Disposed
Feb. 18, 2020 BSX Deferred Stock Units Common Stock (10,673) — Feb. 18, 2024 10,673 Acquired
Feb. 18, 2020 BSX Stock Option (Right to Buy) Common Stock (39,823) $42.16 Feb. 18, 2030 39,823 Acquired
Feb. 15, 2020 BSX Deferred Stock Units Common Stock (2,768) — Feb. 15, 2023 2,768 Disposed
Jan. 1, 2020 BSX Performance Share Units Common Stock (11,926) — Dec. 31, 2019 11,926 Disposed
Dec. 2, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $6.28 Feb. 27, 2022 5,000 Disposed
Nov. 1, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $6.28 Feb. 27, 2022 5,000 Disposed
Oct. 1, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $6.28 Feb. 27, 2022 5,000 Disposed
Sept. 3, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $6.28 Feb. 27, 2022 5,000 Disposed
Aug. 2, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $6.28 Feb. 27, 2022 5,000 Disposed
July 1, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $6.28 Feb. 27, 2022 5,000 Disposed
June 3, 2019 BSX Stock Option (Right to Buy) Common Stock (2,500) $6.28 Feb. 27, 2022 2,500 Disposed
June 3, 2019 BSX Stock Option (Right to Buy) Common Stock (2,640) $7.16 Feb. 28, 2021 2,640 Disposed
June 1, 2019 BSX Deferred Stock Units Common Stock (2,972) — June 1, 2021 2,972 Disposed
May 1, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
April 1, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
March 1, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Feb. 28, 2019 BSX Deferred Stock Units Common Stock (2,444) — Feb. 28, 2022 2,444 Disposed
Feb. 24, 2019 BSX Deferred Stock Units Common Stock (3,058) — Feb. 24, 2019 3,058 Disposed
Feb. 23, 2019 BSX Deferred Stock Units Common Stock (2,453) — Feb. 23, 2020 2,453 Disposed
Feb. 22, 2019 BSX Deferred Stock Units Common Stock (2,607) — Feb. 22, 2021 2,607 Disposed
Feb. 21, 2019 BSX Deferred Stock Units Common Stock (9,970) — Feb. 21, 2023 9,970 Acquired
Feb. 21, 2019 BSX Stock Option (Right to Buy) Common Stock (32,284) $40.12 Feb. 21, 2029 32,284 Acquired
Feb. 20, 2019 BSX Performance Share Units Common Stock (16,318) — Dec. 31, 2020 16,318 Acquired
Feb. 15, 2019 BSX Deferred Stock Units Common Stock (2,768) — Feb. 15, 2023 2,768 Disposed
Feb. 1, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Jan. 8, 2019 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Jan. 1, 2019 BSX Performance Share Units Common Stock (14,885) — Dec. 31, 2018 14,885 Disposed
Dec. 3, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Nov. 1, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Oct. 1, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Sept. 4, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Aug. 1, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
July 2, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
June 1, 2018 BSX Deferred Stock Units Common Stock (2,972) — June 1, 2021 2,972 Disposed
June 1, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
May 1, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
April 2, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
March 1, 2018 BSX Stock Option (Right to Buy) Common Stock (5,000) $7.16 Feb. 28, 2021 5,000 Disposed
Feb. 28, 2018 BSX Deferred Stock Units Common Stock (4,398) — Feb. 28, 2018 4,398 Disposed
Feb. 28, 2018 BSX Deferred Stock Units Common Stock (2,443) — Feb. 28, 2022 2,443 Disposed
Feb. 24, 2018 BSX Deferred Stock Units Common Stock (3,058) — Feb. 24, 2019 3,058 Disposed
Feb. 23, 2018 BSX Deferred Stock Units Common Stock (2,452) — Feb. 23, 2020 2,452 Disposed
Feb. 22, 2018 BSX Deferred Stock Units Common Stock (2,607) — Feb. 22, 2021 2,607 Disposed
Feb. 15, 2018 BSX Deferred Stock Units Common Stock (13,842) — Feb. 15, 2023 13,842 Acquired
Feb. 15, 2018 BSX Stock Option (Right to Buy) Common Stock (41,713) $27.09 Feb. 15, 2028 41,713 Acquired
Feb. 12, 2018 BSX Performance Share Units Common Stock (11,926) — Dec. 31, 2019 11,926 Acquired
Feb. 1, 2018 BSX Stock Option (Right to Buy) Common Stock (5,152) $7.41 Feb. 16, 2020 5,152 Disposed
Jan. 9, 2018 BSX Stock Option (Right to Buy) Common Stock (5,152) $7.41 Feb. 16, 2020 5,152 Disposed
Jan. 1, 2018 BSX Performance Share Units Common Stock (13,341) — Dec. 31, 2017 13,341 Disposed
June 9, 2017 BSX Stock Option (Right to Buy) Common Stock (9,500) $13.08 Feb. 24, 2024 9,500 Disposed
June 9, 2017 BSX Stock Option (Right to Buy) Common Stock (4,062) $7.39 Feb. 28, 2023 4,062 Disposed
June 1, 2017 BSX Deferred Stock Units Common Stock (2,972) — June 1, 2021 2,972 Disposed
April 26, 2017 BSX Stock Option (Right to Buy) Common Stock (10,250) $7.39 Feb. 28, 2023 10,250 Disposed
Feb. 28, 2017 BSX Deferred Stock Units Common Stock (4,398) — Feb. 28, 2018 4,398 Disposed
Feb. 28, 2017 BSX Deferred Stock Units Common Stock (12,219) — Feb. 28, 2022 12,219 Acquired
Feb. 28, 2017 BSX Performance Share Units Common Stock (14,885) — Dec. 31, 2018 14,885 Acquired
Feb. 28, 2017 BSX Stock Option (Right to Buy) Common Stock (39,525) $24.55 Feb. 28, 2027 39,525 Acquired
Feb. 27, 2017 BSX Deferred Stock Units Common Stock (3,185) — Feb. 27, 2017 3,185 Disposed
Feb. 24, 2017 BSX Deferred Stock Units Common Stock (3,058) — Feb. 24, 2019 3,058 Disposed
Feb. 23, 2017 BSX Deferred Stock Units Common Stock (2,452) — Feb. 23, 2020 2,452 Disposed
Feb. 22, 2017 BSX Deferred Stock Units Common Stock (2,607) — Feb. 22, 2021 2,607 Disposed
Jan. 1, 2017 BSX Performance Share Units Common Stock (15,565) — Dec. 31, 2016 15,565 Disposed
July 20, 2016 BSX Stock Option (Right to Buy) Common Stock (2,480) $10.70 July 28, 2019 2,480 Disposed
June 1, 2016 BSX Stock Option (Right to Buy) Common Stock (14,294) $22.71 June 1, 2026 14,294 Acquired
June 1, 2016 BSX Deferred Stock Units Common Stock (14,861) — June 1, 2021 14,861 Acquired
April 27, 2016 BSX Stock Option (Right to Buy) Common Stock (16,512) $8.30 Feb. 24, 2019 16,512 Disposed
Feb. 28, 2016 BSX Deferred Stock Units Common Stock (4,398) — Feb. 28, 2018 4,398 Disposed
Feb. 28, 2016 BSX Deferred Stock Units Common Stock (3,492) — Feb. 28, 2016 3,492 Disposed
Feb. 27, 2016 BSX Deferred Stock Units Common Stock (3,185) — Feb. 27, 2017 3,185 Disposed
Feb. 24, 2016 BSX Deferred Stock Units Common Stock (3,058) — Feb. 24, 2019 3,058 Disposed
Feb. 23, 2016 BSX Deferred Stock Units Common Stock (2,452) — Feb. 23, 2020 2,452 Disposed
Feb. 22, 2016 BSX Stock Option (Right to Buy) Common Stock (37,942) $17.26 Feb. 22, 2026 37,942 Acquired
Feb. 22, 2016 BSX Performance Share Units Common Stock (13,341) — Dec. 31, 2017 13,341 Acquired
Feb. 22, 2016 BSX Deferred Stock Units Common Stock (13,035) — Feb. 22, 2021 13,035 Acquired
Jan. 1, 2016 BSX Performance Share Units Common Stock (22,296) — Dec. 31, 2015 22,296 Disposed

Showing latest 100 of 142 transactions

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

Initial ownership (Form 3) 15 holdings

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

Date Ticker Security Shares Ownership
Sept. 16, 2011 BSX Common Stock 15,873 Direct
Sept. 16, 2011 BSX Deferred Stock Units→ Common Stock — Direct
Sept. 16, 2011 BSX Deferred Stock Units→ Common Stock — Direct
Sept. 16, 2011 BSX Deferred Stock Units→ Common Stock — Direct
Sept. 16, 2011 BSX Deferred Stock Units→ Common Stock — Direct
Sept. 16, 2011 BSX Deferred Stock Units→ Common Stock (17,458) 17,458 Direct
Sept. 16, 2011 BSX Deferred Stock Units→ Common Stock — Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (77,640) 77,640 Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (10,304) 10,304 Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (33,512) 33,512 Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (2,480) 2,480 Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (2,944) 2,944 Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (9,550) 9,550 Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (11,250) 11,250 Direct
Sept. 16, 2011 BSX Stock Option (Right to Buy)→ Common Stock (5,389) 5,389 Direct