Builders FirstSource, Inc.·4

Mar 17, 7:05 PM ET

Hiller Michael 4

4 · Builders FirstSource, Inc. · Filed Mar 17, 2026

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Builders FirstSource (BLDR) Chief Talent Officer Hiller Receives Awards

What Happened Michael Hiller, Chief Talent Officer at Builders FirstSource (BLDR), was granted restricted stock units (RSUs) on 2026-03-15: 11,352 RSUs and 5,594 performance-based RSUs (total 16,946 RSUs) at $0.00 (award). On the same date, 3,294 shares were disposed/withheld to satisfy tax withholding at $88.09 per share, reported value $290,168. The primary action is an equity award (not a purchase); the share disposition reflects routine tax withholding rather than an open-market sale.

Key Details

  • Transaction dates: 2026-03-15 (awards and tax withholding); Form 4 filed 2026-03-17 (timely).
  • Awards: 11,352 RSUs (standard RSUs) and 5,594 performance-based RSUs (both coded "A" in filing) at $0.00 per share.
  • Tax withholding (code "F"): 3,294 shares withheld/disposed at $88.09 each; total reported value $290,168.
  • Vesting: Standard RSUs vest in 33.3% increments on each March 15, 2027–2029 (footnote F1). Performance-based RSUs reflect vesting per footnote F2.
  • Shares owned after transaction: not disclosed in the provided filing details.
  • Filing timeliness: Filed within two days of the transaction date (appears timely).

Context RSUs are awards that convert to common shares when they vest (these were granted, not purchased). The share withholding to cover taxes is a common, administrative action (code F) and should not be interpreted the same as an open-market sale. Performance-based RSUs vest based on achievement criteria; the filing notes both time-based and performance-based awards.

Insider Transaction Report

Form 4
Period: 2026-03-15
Hiller Michael
Chief Talent Officer
Transactions
  • Award

    Common Stock, par value $0.01 per share

    [F1]
    2026-03-15+11,35250,742 total
  • Award

    Common Stock, par value $0.01 per share

    [F2]
    2026-03-15+5,59456,336 total
  • Tax Payment

    Common Stock, par value $0.01 per share

    [F3]
    2026-03-15$88.09/sh3,294$290,16853,042 total
Footnotes (3)
  • [F1]Reflects the acquisition of restricted stock units pursuant to the Corporation's 2014 Incentive Plan. The restricted stock units vest in 33.3% increments on each of March 15, 2027-2029 and entitle the reporting person to one share of common stock for each restricted stock unit that vests.
  • [F2]Reflects the vesting of performance-based restricted stock units granted pursuant to the Corporation's 2014 Incentive Plan.
  • [F3]Reflects shares withheld to pay tax withholding requirements on vesting of previously granted performance-based restricted stock units and restricted stock units.
Signature
/s/ Minator Azemi, by power of attorney|2026-03-17

Documents

1 file
  • 4
    ownership.xmlPrimary

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